CN105847680A - Camera power consumption control method and mobile terminal - Google Patents
Camera power consumption control method and mobile terminal Download PDFInfo
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- CN105847680A CN105847680A CN201610184736.8A CN201610184736A CN105847680A CN 105847680 A CN105847680 A CN 105847680A CN 201610184736 A CN201610184736 A CN 201610184736A CN 105847680 A CN105847680 A CN 105847680A
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- photographic head
- sensor
- induced signal
- mobile terminal
- power consumption
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/66—Remote control of cameras or camera parts, e.g. by remote control devices
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/57—Mechanical or electrical details of cameras or camera modules specially adapted for being embedded in other devices
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/62—Control of parameters via user interfaces
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Human Computer Interaction (AREA)
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- Studio Devices (AREA)
Abstract
The invention provides a camera power consumption control method and a mobile terminal. The mobile terminal comprises a plurality of sensors used for detecting the current use scene of the mobile terminal. The camera power consumption control method is characterized in that the turning on-state of the camera can be monitored; when the camera is turned on according to the monitoring result, the current sensing signals of the sensors can be acquired, and whether the camera is currently in the shooting state can be determined according to the sensing signals; when the camera is not turned on according to the monitoring result, the power consumption-reducing instruction can be output to the camera. According to the invention, a certain degree of inconvenience can be brought to the user by the conventional camera power consumption-reducing method, and the user experience cannot be affected.
Description
Technical field
The present invention relates to moving communicating field, particularly to a kind of photographic head power consumption control method and mobile terminal.
Background technology
Under normal circumstances, people utilize mobile terminal the consumed electricity that carries out taking pictures more, occupy terminal
Most of electric quantity consumption, and the power consumption of the photographic head of mobile terminal mainly consumes at analog power
(VANA) and numeral nuclear-electric power supply (VDIG) above, and the method for existing reduction photographic head power consumption,
Most meetings bring a certain degree of inconvenience to the use of mobile terminal, such as in order to reduce photographic head power consumption, has
Manufacturer can directly reduce Output Size taking pictures preview when, to reduce preview electric current, but now preview
Effect can reduce；Or some mobile terminals are after detecting that user opens photographic head a period of time, do not have
Take pictures action, the most directly close photographic head, and this kind of scheme does not goes reality now to detect whether user makes
With photographic head, need user to be manually again turned on photographic head after closedown, affect user's experience.
Summary of the invention
The invention provides a kind of photographic head power consumption control method and mobile terminal, its purpose is to solve now
Some methods reducing photographic head power consumption, bring a certain degree of inconvenience to user, affect the use body of user
The problem tested.
On the one hand, The embodiment provides a kind of photographic head power consumption control method, be applied to one and move
Terminal, mobile terminal includes multiple sensor for detecting the currently used scene of mobile terminal, this photographic head
Power consumption control method includes:
The opening of monitoring photographic head；
When monitoring photographic head and being in opening, obtain the current induced signal of sensor, according to currently
Induced signal judges the most whether photographic head is in the state of taking pictures；
When judged result is no, turn down instruction to photographic head output power consumption.
On the other hand, embodiments of the invention additionally provide a kind of mobile terminal, and this mobile terminal includes multiple
For detecting the sensor of the currently used scene of mobile terminal, this mobile terminal also includes:
Monitoring modular, for monitoring the opening of photographic head；
Acquisition module, for when monitoring photographic head and being in opening, obtains the current sensing of sensor
According to current induced signal, signal, judges the most whether photographic head is in the state of taking pictures；
Power consumption turns down module, for when judged result is no, turns down instruction to photographic head output power consumption.
So, the photographic head power consumption control method of present invention offer and mobile terminal, in the shooting of mobile terminal
After head opens, by the use state of Sensor monitoring photographic head, when the induced signal according to sensor is taken the photograph
As head judges that photographic head is not in the state of taking pictures, turn down preview voltage and the camera collection image of photographic head
Frame per second, pixel, do not affecting in the case of user normally uses, significantly reducing the preview of photographic head
Power consumption, improves the standby time of terminal unit, solves the puzzlement that when user takes pictures, electric quantity consumption is too fast,
And if user normally uses after reducing power consumption, corresponding function recovers the normal condition before turning down, and improves user
Experience.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, the embodiment of the present invention will be retouched below
In stating, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only
Some embodiments of the present invention, for those of ordinary skill in the art, are not paying creative work
On the premise of, it is also possible to other accompanying drawing is obtained according to these accompanying drawings.
Fig. 1 represents the basic step stream of the photographic head power consumption control method that the first embodiment of the present invention provides
Cheng Tu；
Fig. 2 represents the block diagram of the mobile terminal that the second embodiment of the present invention provides；
Fig. 3 represents the basic step stream of the photographic head power consumption control method that the second embodiment of the present invention provides
One of journey figure；
Fig. 4 represents the basic step stream of the photographic head power consumption control method that the second embodiment of the present invention provides
The two of journey figure；
Fig. 5 represents one of block diagram of mobile terminal that the third embodiment of the present invention provides；
Fig. 6 represents the two of the block diagram of the mobile terminal that the third embodiment of the present invention provides；
Fig. 7 represents the block diagram of the mobile terminal that the fourth embodiment of the present invention provides；
Fig. 8 represents the block diagram of the mobile terminal that the fifth embodiment of the present invention provides.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clearly
Chu, it is fully described by, it is clear that described embodiment is a part of embodiment of the present invention rather than all
Embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creative labor
The every other embodiment obtained under dynamic premise, broadly falls into the scope of protection of the invention.
The present invention is directed to existing problem, it is provided that a kind of photographic head power consumption control method and mobile terminal.
First embodiment
Seeing Fig. 1, the first embodiment of the present invention provides a kind of photographic head power consumption control method, is applied to
One mobile terminal, wherein, mobile terminal can be smart mobile phone or panel computer etc.；Mobile terminal includes
Multiple sensors for detecting the currently used scene of mobile terminal, this photographic head power consumption control method includes:
Step 101, the opening of monitoring photographic head.
Specifically, photographic head can be front-facing camera or post-positioned pick-up head；Can beat by monitoring user
Drive camera or by other application call camera functions, determine the opening of photographic head.
Step 102, when monitoring photographic head and being in opening, obtains the current induced signal of sensor,
Judge the most whether photographic head is in the state of taking pictures according to current induced signal；
Under normal circumstances, but user has and much opens photographic head untapped scene, claps the most out of doors
According to time, user is clapping a photo in the time taken before a photo, it is likely that can not close and take the photograph
As head, and this process may be the longest, and consumes substantial amounts of electricity.And in embodiments of the invention,
When monitoring photographic head and being in opening, the use scene of mobile terminal can be detected by sensor, and
Judge the most whether photographic head is in the state of taking pictures according to induced signal, it is simple to mobile terminal carries out regulating power consumption.
Step 103, when judged result is no, turns down instruction to photographic head output power consumption.
Wherein, when according to the induced signal of sensor judge mobile terminal be not presently within take pictures state time, to
Photographic head output turns down signal, to save the electricity of mobile terminal, increases the once charging of mobile terminal
Use duration.
Alternatively, in the above embodiment of the present invention, sensor includes the display screen for detecting mobile terminal
The sensitive volume of curtain and with the distance first sensor of objects in front, first sensor is arranged at display screen institute
At end face, wherein step 102 includes:
Obtain the first induced signal of first sensor；
Between object and the first sensor being arranged at display screen front according to the first induced signal judgement
Distance less than the sensitive volume of the first default value and first sensor less than the second default value time, determine and take the photograph
As head is not presently within the state of taking pictures.
Specifically, first sensor is for environment carries out light detection and the sensor of distance detection, can be same
Time detection place sensitive volume and with external object close to distance.First sensor is arranged at display screen place
End face, the distance of sensitive volume and external object that the sensitive volume of first sensor i.e. represents display screen is
Represent the distance of display screen and external object.When the first induced signal according to first sensor, it is judged that
Distance between the object in display screen front and first sensor (display screen) is less than the first default value
And the sensitive volume of first sensor (display screen) less than the second default value time, determine that photographic head is current the most not
Being in the state of taking pictures, wherein, the distance between the object and display screen in display screen front is less than first
Default value, when i.e. display screen is obscured by an object, wherein, the object blocked is likely to be transparent substance,
And transparent substance has no effect on photographic head and takes pictures, such as user's handheld mobile phone is placed in after glass and goes to take pictures,
It is thus impossible to be only not in, by the Distance Judgment photographic head with external object, the state of taking pictures；And display screen
Sensitive volume less than the second default value time, i.e. display screen is obscured by an object or is under dark state,
And display screen is in photographic head under dark state and might not affect photographic head and take pictures, therefore, display
The sensitive volume of screen also can not be not in the basis for estimation of the state of taking pictures separately as photographic head.Therefore, display
The distance that screen need to meet between display screen simultaneously is less than second less than the first default value and sensitive volume
During default value, it may be determined that photographic head is not in the state of taking pictures.
Alternatively, in the above embodiment of the present invention, sensor includes that optical sensor, optical sensor are arranged at
On photographic head, wherein step 102 includes:
Obtain the second induced signal of optical sensor；
When the sensitive volume judging optical sensor according to the second induced signal is less than three default values, determines and take the photograph
As head is not presently within the state of taking pictures.
Wherein, optical sensor can be complementary metal oxide semiconductors (CMOS) (Complementary Metal
Oxide Semiconductor, CMOS) optical sensor, optical sensor is arranged on photographic head, can be used for
The sensitive volume of detection photographic head.When the sensitive volume of photographic head is less than three default values, show photographic head quilt
Blocking or be in dark surrounds, the most now photographic head is not in normally taking pictures state, and such as user opens and takes the photograph
No longer take pictures as after head, in being held in the hand by mobile terminal or be placed in other enclosed environments, sensitive volume can be passed through
Confirm that photographic head is not in the state of taking pictures.It should be noted that when user is in the case of ambient brightness is relatively low,
When taking pictures by flash lamp, user carries out photographing operation flash lamp and i.e. can light, then in the present embodiment
Optical sensor can detect brightness, does not interferes with photographic head and normally takes pictures.
Alternatively, in the above embodiment of the present invention, sensor includes the mobile shape for detecting mobile terminal
The angular-rate sensor of state, wherein step 102 includes:
Obtain the 3rd induced signal of angular-rate sensor；
When the angular velocity judging mobile terminal according to the 3rd induced signal is more than four default values, determines and take the photograph
As head is not presently within the state of taking pictures.
Wherein, angular-rate sensor can be gyroscope, is used for detecting the angular velocity of mobile terminal.Work as basis
3rd induced signal, it is judged that the angular velocity of mobile terminal more than four default values time, illustrate mobile terminal this
Time under mobile status, under such as photographic head is in opening, and user's hand-held mobile terminal moves, and
The mobile terminal being in the state of taking pictures will not move, and therefore can determine that photographic head is not presently within shape of taking pictures
State.
Alternatively, in the above embodiment of the present invention, sensor includes the mobile shape for detecting mobile terminal
The acceleration transducer of state, wherein step 102 includes:
Obtain the 4th induced signal of acceleration transducer；
When the acceleration judging mobile terminal according to the 4th induced signal is more than five default values, determines and take the photograph
As head is not presently within the state of taking pictures.
Wherein, acceleration is used for detecting the acceleration of mobile terminal.When according to the 4th induced signal, it is judged that move
When the angular velocity of dynamic terminal is more than four default values, illustrate mobile terminal now under mobile status, such as
Photographic head is under opening, and user's hand-held mobile terminal moves, and is in the mobile end of the state of taking pictures
End will not move, and therefore can determine that photographic head is not presently within the state of taking pictures.
In the above embodiment of the present invention, step 103 includes:
The first step, exports to the Power Management Unit of photographic head and turns down the preview voltage of photographic head to predeterminated voltage
The instruction of value, preview voltage includes digital voltage and analog voltage；And/or
Second step, turns down camera collection image to the image signal processing unit output being connected with photographic head
Frame per second to preset frame rate and camera collection image pixel to preset preview pixel instruction.
Specifically, when determine mobile terminal be not in taking pictures state time, can be by the above-mentioned first step and/or
Two steps turn down the power consumption of photographic head.
Wherein, the above-mentioned first step by exporting the preview electricity turning down photographic head to the Power Management Unit of photographic head
Being depressed into the instruction of preset voltage value, preview voltage i.e. photographic head is in voltage during preview state, including numeral
Voltage and analog voltage.Reduce preview voltage and just can reduce preview electric current, and then reduction is not taken pictures under state
Power consumption, saves electricity.
Above-mentioned second step, to the image signal processing unit output order being connected with photographic head, turns down photographic head
Gather the frame per second finger to the most default preview pixel of pixel of preset frame rate and camera collection image of image
Order.Wherein, turn down the acquisition frame rate of photographic head, then photographic head gathers the frame number of image within the identical time
To reduce, the power consumption of photographic head can be effectively reduced；Reduce the pixel of camera collection image, then can reduce
The Output Size of preview image, it is possible to reduce the effect of the power consumption of photographic head.
In the above embodiment of the present invention, step 103 also includes:
The phase place focus function of photographic head is closed to the image signal processing unit output being connected with photographic head
And/or noise compensates the instruction of function.
Wherein, the execution of each function is required for consuming certain electricity, close phase place focus function and/or
Noise compensates function, can reduce the preview power consumption of photographic head.
In the above embodiment of the present invention, after step 103, this photographic head power consumption control method also includes:
Obtain the current induced signal of sensor, judge the most whether photographic head is according to current induced signal
Take pictures state, when judged result is for being, heighten instruction to photographic head output power consumption.
Wherein, when photographic head carries out after power consumption turns down, when the induced signal according to sensor judges photographic head
Being currently at when taking pictures state, heighten instruction to photographic head output power consumption, recover normally to take pictures preview, it is to avoid
Affect the normal use of user.If during it should be noted that mobile terminal is provided with multiple sensor, then need many
The induced signal of individual sensor meets corresponding requirement simultaneously, can determine whether that photographic head is currently at the state of taking pictures.
In the above embodiment of the present invention, after the shooting head of mobile terminal opens, pass through Sensor monitoring
The use state of photographic head, when the induced signal photographic head according to sensor judges that photographic head is not in shape of taking pictures
State, turns down preview voltage and the frame per second of camera collection image, the pixel of photographic head, is not affecting user
In the case of normal use, significantly reduce the preview power consumption of photographic head, improve the standby of terminal unit
Duration, solves the puzzlement that when user takes pictures, electric quantity consumption is too fast, and if normally making reducing user after power consumption
With, corresponding function recovers the normal condition before turning down, and improves the experience of user.
Second embodiment
Below using the second embodiment as specific embodiment, introduce the photographic head power consumption control side that the present invention provides
Method and mobile terminal.See the block diagram of the mobile terminal that Fig. 2, Fig. 2 provide for the second embodiment.Wherein,
Mobile terminal includes: first sensor 201, CMOS optical sensor 202, gyroscope 203, acceleration
Sensor 204, system controller 205, photographic head 206, Power Management Unit (PMU) 207 and/or
Image signal processing unit (ISP) 208；
Wherein, first sensor 201, it is arranged at display screen place end face, mainly for detection of mobile whole
The scene that end front has been blocked, the scene that i.e. display screen is blocked, when detecting that display screen is blocked,
Then send interruptive command to system controller 205.
CMOS optical sensor 202, is arranged on photographic head 206, is used for detecting photographic head 206 and is blocked,
When photographic head 206 is blocked, send interruptive command to system controller 205.
Gyroscope 203, for detecting the angular velocity (mobile status) of mobile terminal, mobile whole when detecting
When end is in mobile status, send station command to system controller 205.
Acceleration transducer 204, for detecting the acceleration (mobile status) of mobile terminal, when detecting
When mobile terminal is in mobile status, send station command to system controller 205.
System controller 205, is used for receiving interruptive command, control Power Management Unit 207 adjust voltage and
/ or image signal processing unit 208 adjust image acquisition frame per second and pixel.
Power Management Unit (PMU) 207, for adjusting digital voltage and the analog voltage of photographic head 206.
Image signal processing unit (ISP) 208, for adjust photographic head 206 gather image frame per second with
And pixel.
See one of basic step flow chart that Fig. 3, Fig. 3 are the second embodiment.
Wherein, step 301, monitor photographic head and open, the present embodiment monitors user and opens camera merit
Energy.
Step 302, initially enters photographic head preview mode, and opens sensor simultaneously.This step includes out
Open first sensor 201, CMOS optical sensor 202, gyroscope 203, acceleration transducer 204.
Step 303, first sensor 201 detects that the light of display screen and distance are blocked, then performs step
Rapid 306, send interruptive command to system controller.
Step 304, CMOS optical sensor 202 detects that photographic head is blocked, then perform step 306,
Send interruptive command to system controller.
Step 305, gyroscope 203 and/or acceleration transducer 204 detect that mobile terminal is in mobile shape
State, then perform step 306, sends interruptive command to system controller.
Step 307, system controller reception processes interrupt signal, sends interruptive command to PMU and/or ISP.
Step 308, PMU receives the control instruction of system controller, includes how to adjust the finger of voltage
Order, reduces digital voltage and analog voltage.
Step 309, ISP receives the control instruction of system controller, adjusts the frame per second of photographic head, output
Size or pixel etc., and some specific function can be closed, as automatic focusing function and noise compensate function.
See the two of the basic step flow chart that Fig. 4, Fig. 4 are the second embodiment；When turning down photographic head power consumption
After, the mobile terminal of the present invention also performs flow process as shown in Figure 4.
Step 401, needs to detect whether current scene can return to normal preview mode.
Step 402, first sensor 201 detects that the light of display screen and distance are not blocked, then performs
Step 405, sends interruptive command to system controller.
Step 403, CMOS optical sensor 202 detects that photographic head is not blocked, then perform step 405,
Send interruptive command to system controller.
Step 404, gyroscope 203 and acceleration transducer 204 detect that mobile terminal is not in mobile shape
State, then perform step 405, sends interruptive command to system controller.
Step 406, system controller transmitting control commands is given to PMU and/or ISP.
Step 407, the control command that PMU sends according to CPU, go accordingly to adjust output photographic head
Two-way voltage: according to default voltage requirements scope, the preview voltage before two-way Voltage Cortrol is turned down.
Step 408, the control command that ISP sends according to CPU, recover the frame per second of photographic head, defeated accordingly
Go out size or pixel etc., and some specific function can be opened, as automatic focusing function and noise compensate function.
In the above embodiment of the present invention, when detecting that photographic head is opened, and detect user and do not use and take the photograph
As head is taken pictures, do not see that including user screen, mobile phone are placed on inside pocket, cell-phone camera head are placed on desk
Upper, user takes the scene that the user such as walk about the most normally takes pictures, then photographic head starts low-power consumption mode,
Reduce digital voltage, analog voltage, reduce preview pixel, frame per second, Output Size, close special shooting merit
Can wait, reduce the power consumption of non-user photographic head situation, improve outdoor shooting mobile phone and use duration.
3rd embodiment
See Fig. 5, the block diagram of the mobile terminal that the third embodiment of the present invention provides, the movement shown in Fig. 5
Terminal 500 includes multiple sensor for detecting the currently used scene of mobile terminal, this mobile terminal 500
Also including: monitoring modular 501, acquisition module 502 and power consumption turn down module 503, wherein, monitor mould
Block 501 is connected with acquisition module 502, and acquisition module 502 is turned down module 503 and is connected with power consumption.
Wherein, monitoring modular 501, for monitoring the opening of photographic head.
Specifically, photographic head can be front-facing camera or post-positioned pick-up head；Can beat by monitoring user
Drive camera or by other application call camera functions, determine the opening of photographic head.
Acquisition module 502, for when monitoring photographic head and being in opening, obtains the current of sensor
According to current induced signal, induced signal, judges the most whether photographic head is in the state of taking pictures.
Under normal circumstances, but user has and much opens photographic head untapped scene, claps the most out of doors
According to time, user is clapping a photo in the time taken before a photo, it is likely that can not close and take the photograph
As head, and this process may be the longest, and consumes substantial amounts of electricity.And in embodiments of the invention,
When monitoring photographic head and being in opening, the use scene of mobile terminal can be detected by sensor, and
Judge the most whether photographic head is in the state of taking pictures according to induced signal, it is simple to mobile terminal carries out regulating power consumption.
Power consumption turns down module 503, for when judged result is no, turns down instruction to photographic head output power consumption.
Wherein, when according to the induced signal of sensor judge mobile terminal be not presently within take pictures state time, to
Photographic head output turns down signal, to save the electricity of mobile terminal, increases the once charging of mobile terminal
Use duration.
Alternatively, as shown in Figure 6, sensor includes the sensitive volume of the display screen for detecting mobile terminal
And with the distance first sensor of objects in front, be arranged at display screen place end face, acquisition module 502
Including:
First obtains submodule 5021, for obtaining the first induced signal of first sensor；
First determines submodule 5022, for before judging to be arranged at display screen according to the first induced signal
Distance between object and the first sensor of side is less than the first default value and the sensitive volume of first sensor
During less than the second default value, determine that photographic head is not presently within the state of taking pictures.
Specifically, first sensor is for environment carries out light detection and the sensor of distance detection, can be same
Time detection place sensitive volume and with external object close to distance.First sensor is arranged at display screen place
End face, the distance of sensitive volume and external object that the sensitive volume of first sensor i.e. represents display screen is
Represent the distance of display screen and external object.When the first induced signal according to first sensor, it is judged that
Distance between the object in display screen front and first sensor (display screen) is less than the first default value
And the sensitive volume of first sensor (display screen) less than the second default value time, determine that photographic head is current the most not
Being in the state of taking pictures, wherein, the distance between the object and display screen in display screen front is less than first
Default value, when i.e. display screen is obscured by an object, wherein, the object blocked is likely to be transparent substance,
And transparent substance has no effect on photographic head and takes pictures, such as user's handheld mobile phone is placed in after glass and goes to take pictures,
It is thus impossible to be only not in, by the Distance Judgment photographic head with external object, the state of taking pictures；And display screen
Sensitive volume less than the second default value time, i.e. display screen is obscured by an object or is under dark state,
And display screen is in photographic head under dark state and might not affect photographic head and take pictures, therefore, display
The sensitive volume of screen also can not be not in the basis for estimation of the state of taking pictures separately as photographic head.Therefore, display
The distance that screen need to meet between display screen simultaneously is less than second less than the first default value and sensitive volume
During default value, it may be determined that photographic head is not in the state of taking pictures.
Alternatively, as shown in Figure 6, sensor includes that optical sensor, optical sensor are arranged on photographic head,
Acquisition module 502 includes:
Second obtains submodule 5023, for obtaining the second induced signal of optical sensor；
Second determines submodule 5024, for when the sensitive volume judging optical sensor according to the second induced signal
During less than three default values, determine that photographic head is not presently within the state of taking pictures.
Wherein, optical sensor can be complementary metal oxide semiconductors (CMOS) (Complementary Metal
Oxide Semiconductor, CMOS) optical sensor, optical sensor is arranged on photographic head, can be used for
The sensitive volume of detection photographic head.When the sensitive volume of photographic head is less than three default values, show photographic head quilt
Blocking or be in dark surrounds, the most now photographic head is not in normally taking pictures state, and such as user opens and takes the photograph
No longer take pictures as after head, in being held in the hand by mobile terminal or be placed in other enclosed environments, sensitive volume can be passed through
Confirm that photographic head is not in the state of taking pictures.It should be noted that when user is in the case of ambient brightness is relatively low,
When taking pictures by flash lamp, user carries out photographing operation flash lamp and i.e. can light, then in the present embodiment
Optical sensor can detect brightness, does not interferes with photographic head and normally takes pictures.
Alternatively, as shown in Figure 6, sensor includes the angular velocity of the mobile status for detecting mobile terminal
Sensor, wherein acquisition module 502 includes:
3rd obtains submodule 5025, for obtaining the 3rd induced signal of angular-rate sensor；
3rd determines submodule 5026, for when the angular velocity judging mobile terminal according to the 3rd induced signal
During more than four default values, determine that photographic head is not presently within the state of taking pictures；And/or
Sensor includes the acceleration transducer of the mobile status for detecting mobile terminal, wherein acquisition module
502 include:
4th obtains submodule 5027, for obtaining the 4th induced signal of acceleration transducer；
4th determines submodule 5028, for when the acceleration judging mobile terminal according to the 4th induced signal
During more than five default values, determine that photographic head is not presently within the state of taking pictures.
Wherein, angular-rate sensor can be gyroscope, is used for detecting the angular velocity of mobile terminal.Work as basis
3rd induced signal, it is judged that the angular velocity of mobile terminal more than four default values time, illustrate mobile terminal this
Time under mobile status, under such as photographic head is in opening, and user's hand-held mobile terminal moves, and
The mobile terminal being in the state of taking pictures will not move, and therefore can determine that photographic head is not presently within shape of taking pictures
State.
Wherein, acceleration is used for detecting the acceleration of mobile terminal.When according to the 4th induced signal, it is judged that move
When the angular velocity of dynamic terminal is more than four default values, illustrate mobile terminal now under mobile status, such as
Photographic head is under opening, and user's hand-held mobile terminal moves, and is in the mobile end of the state of taking pictures
End will not move, and therefore can determine that photographic head is not presently within the state of taking pictures.
Alternatively, as shown in Figure 6, power consumption is turned down module 503 and is included: voltage turn down submodule 5031 and/
Or image acquisition submodule 5032, wherein,
Voltage turns down submodule 5031, turns down photographic head for exporting to the Power Management Unit of photographic head
Preview voltage is to the instruction of preset voltage value, and preview voltage includes digital voltage and analog voltage；
Image acquisition submodule 5032, for the image signal processing unit output being connected with photographic head
The frame per second turning down camera collection image is pre-to presetting to the pixel of preset frame rate and camera collection image
Look at the instruction of pixel.
Specifically, when determine mobile terminal be not in taking pictures state time, can be by the above-mentioned first step and/or
Two steps turn down the power consumption of photographic head.
Wherein, voltage is turned down submodule 5031 and is turned down shooting by exporting to the Power Management Unit of photographic head
The preview voltage of head is to the instruction of preset voltage value, and preview voltage i.e. photographic head is in voltage during preview state,
Including digital voltage and analog voltage.Reduce preview voltage and just can reduce preview electric current, and then reduction is not taken pictures
Power consumption under state, saves electricity.
Image acquisition submodule 5032 to the image signal processing unit output order being connected with photographic head,
The frame per second turning down camera collection image is pre-to presetting to the pixel of preset frame rate and camera collection image
Look at the instruction of pixel.Wherein, turn down the acquisition frame rate of photographic head, then photographic head gathered within the identical time
The frame number of image will reduce, and can be effectively reduced the power consumption of photographic head；Reduce the pixel of camera collection image,
Then can reduce the Output Size of preview image, it is possible to reduce the effect of the power consumption of photographic head.
Alternatively, as shown in Figure 6, power consumption is turned down module 503 and is also included:
Close closed submodule 5033, for closing to the image signal processing unit output being connected with photographic head
The phase place focus function of photographic head and/or noise compensate the instruction of function.
Wherein, the execution of each function is required for consuming certain electricity, close phase place focus function and/or
Noise compensates function, can reduce the preview power consumption of photographic head.
Alternatively, as shown in Figure 6, mobile terminal 500 also includes:
Power consumption heightens module 504, turns down module 503 to photographic head output after power consumption turns down instruction in power consumption,
Obtain the current induced signal of sensor, judge the most whether photographic head is according to current induced signal and take pictures
State, when judged result is for being, heightens instruction to photographic head output power consumption.
Wherein, when photographic head carries out after power consumption turns down, when the induced signal according to sensor judges photographic head
Being currently at when taking pictures state, heighten instruction to photographic head output power consumption, recover normally to take pictures preview, it is to avoid
Affect the normal use of user.If during it should be noted that mobile terminal is provided with multiple sensor, then need many
The induced signal of individual sensor meets corresponding requirement simultaneously, can determine whether that photographic head is currently at the state of taking pictures.
In the above embodiment of the present invention, after shooting head opens, by making of Sensor monitoring photographic head
By state, when the induced signal photographic head according to sensor judges that photographic head is not in the state of taking pictures, turn down and take the photograph
As preview voltage and the frame per second of camera collection image, the pixel of head, do not affecting what user normally used
In the case of, significantly reduce the preview power consumption of photographic head, improve the standby time of terminal unit, solve
The puzzlement that when user takes pictures, electric quantity consumption is too fast, and if after reducing power consumption user normally use, corresponding merit
The normal condition before turning down can be recovered, improve the experience of user.
4th embodiment
Fig. 7 is the block diagram of the mobile terminal of fourth embodiment of the invention.Mobile terminal 700 shown in Fig. 7
Including: at least one processor 701, memorizer 702, at least one network interface 704 and other use
Family interface 703.Each assembly in mobile terminal 700 is coupled by bus system 705.Permissible
Understanding, bus system 705 is for realizing the connection communication between these assemblies.Bus system 705 is except including
Outside data/address bus, also include power bus, control bus and status signal bus in addition.But in order to understand
See from tomorrow, in the figure 7 various buses are all designated as bus system 705.
Wherein, user interface 703 can include display, keyboard or pointing device (such as, mouse,
Trace ball (trackball), touch-sensitive plate or touch screen etc..
The memorizer 702 being appreciated that in the embodiment of the present invention can be volatile memory or non-volatile
Memorizer, maybe can include volatibility and nonvolatile memory.Wherein, nonvolatile memory is permissible
It is read only memory (Read-Only Memory, ROM), programmable read only memory (Programmable
ROM, PROM), Erasable Programmable Read Only Memory EPROM (Erasable PROM, EPROM), electrically erasable
Except programmable read only memory (Electrically EPROM, EEPROM) or flash memory.Volatile memory can
To be random access memory (Random Access Memory, RAM), it is used as External Cache.
By exemplary but be not restricted explanation, the RAM of many forms can use, and such as static random-access is deposited
Reservoir (Static RAM, SRAM), dynamic random access memory (Dynamic RAM, DRAM),
Synchronous Dynamic Random Access Memory (Synchronous DRAM, SDRAM), Double Data Rate synchronize
Dynamic random access memory (Double DataRate SDRAM, DDRSDRAM), enhancement mode synchronize dynamic
State random access memory (Enhanced SDRAM, ESDRAM), synchronized links dynamic randon access are deposited
Reservoir (SynchlinkDRAM, SLDRAM) and direct rambus random access memory
(DirectRambusRAM, DRRAM).The memorizer 702 of system and method described herein is intended to bag
Include but be not limited to these and the memorizer of other applicable type any.
In some embodiments, memorizer 702 stores following element, executable module or data
Structure, or their subset, or their superset: operating system 7021 and application program 7022.
Wherein, operating system 7021, comprise various system program, such as ccf layer, core library layer, drive
Dynamic layers etc., are used for realizing various basic business and processing hardware based task.Application program 7022,
Comprise various application program, such as media player (MediaPlayer), browser (Browser) etc., use
In realizing various applied business, it is achieved the program of embodiment of the present invention method may be embodied in application program
In 7022.
In embodiments of the present invention, by calling program or the instruction of memorizer 702 storage, concrete, can
To be program or the instruction of storage in application program 7022, processor 701 is used for:
The opening of monitoring photographic head；
When monitoring photographic head and being in opening, obtain the current induced signal of sensor, according to currently
Induced signal judges the most whether photographic head is in the state of taking pictures；
When judged result is no, turn down instruction to photographic head output power consumption.
The method that the invention described above embodiment discloses can apply in processor 701, or by processor
701 realize.Processor 701 is probably a kind of IC chip, has the disposal ability of signal.In reality
During Xian, each step of said method can by the integrated logic circuit of the hardware in processor 701 or
The instruction of person's software form completes.Above-mentioned processor 701 can be general processor, Digital Signal Processing
Device (Digital Signal Processor, DSP), special IC (Application Specific Integrated
Circuit, ASIC), field programmable gate array (Field Programmable Gate Array, FPGA)
Or other PLDs, discrete gate or transistor logic, discrete hardware components.Permissible
Realize or perform disclosed each method, step and the logic diagram in the embodiment of the present invention.General processor
Can be microprocessor or this processor can also be the processor etc. of any routine.Implement in conjunction with the present invention
The step of the method disclosed in example can be embodied directly in hardware decoding processor and perform, or with decoding
Hardware and software module combination execution in processor complete.Software module may be located at random access memory, dodges
Deposit, read only memory, programmable read only memory or electrically erasable programmable memorizer, depositor etc. this
In the storage medium that field is ripe.This storage medium is positioned at memorizer 702, and processor 701 reads memorizer
Information in 702, completes the step of said method in conjunction with its hardware.
It is understood that embodiments described herein can use hardware, software, firmware, middleware,
Microcode or a combination thereof realize.Realizing for hardware, processing unit can be implemented in one or more special collection
Become circuit (Application Specific Integrated Circuit, ASIC), digital signal processor (Digital
Signal Processor, DSP), digital signal processing appts (DSP Device, DSPD), able to programme patrol
Collect equipment (Programmable LogicDevice, PLD), field programmable gate array (Field
Programmable Gate Array, FPGA), general processor, controller, microcontroller, micro-process
Device, for performing in other electronic unit or a combination thereof of herein described function.
Software is realized, can come real by the module (such as process, function etc.) performing function described herein
Existing the techniques described herein.Software code is storable in performing in memorizer and by processor.Memorizer can
Within a processor or to realize outside processor.
Alternatively, as another embodiment, sensor includes the display screen for detecting mobile terminal
Sensitive volume and the distance first sensor with objects in front, first sensor is arranged at display screen place end
Face, processor 701 is additionally operable to: obtain the first induced signal of first sensor；
Between object and the first sensor being arranged at display screen front according to the first induced signal judgement
Distance less than the sensitive volume of the first default value and first sensor less than the second default value time, determine and take the photograph
As head is not presently within the state of taking pictures.
Alternatively, as another embodiment, sensor includes that optical sensor, optical sensor are arranged at shooting
On head, processor 701 is additionally operable to: obtain the second induced signal of optical sensor；
When the sensitive volume judging optical sensor according to the second induced signal is less than three default values, determines and take the photograph
As head is not presently within the state of taking pictures.
Alternatively, as another embodiment, sensor includes the mobile status for detecting mobile terminal
Angular-rate sensor, processor 701 is additionally operable to: obtain the 3rd induced signal of angular-rate sensor；
When the angular velocity judging mobile terminal according to the 3rd induced signal is more than four default values, determines and take the photograph
As head is not presently within the state of taking pictures.
Alternatively, as another embodiment, sensor includes the mobile status for detecting mobile terminal
Acceleration transducer, processor 701 is additionally operable to: obtain the 4th induced signal of acceleration transducer；
When the acceleration judging mobile terminal according to the 4th induced signal is more than five default values, determines and take the photograph
As head is not presently within the state of taking pictures.
Alternatively, as another embodiment, processor 701 is additionally operable to: to the power management list of photographic head
Unit's output turns down the preview voltage of photographic head to the instruction of preset voltage value, preview voltage include digital voltage and
Analog voltage；And/or
The frame per second of camera collection image is turned down to the image signal processing unit output being connected with photographic head
Pixel to preset frame rate and camera collection image extremely presets the instruction of preview pixel.
Alternatively, as another embodiment, processor 701 is additionally operable to: to the figure being connected with photographic head
Phase place focus function and/or the instruction of noise compensation function of photographic head is closed in the output of image signal processing unit.
Alternatively, as another embodiment, processor 701 is additionally operable to: obtain the current sensing of sensor
According to current induced signal, signal, judges the most whether photographic head is in the state of taking pictures, when judged result is yes
Time, heighten instruction to photographic head output power consumption.
Mobile terminal 700 is capable of each process that in previous embodiment, mobile terminal realizes, for avoiding weight
Multiple, repeat no more here.
The mobile terminal 700 of the embodiment of the present invention, is opened the shooting head of mobile terminal by processor 701
Qi Hou, by the use state of Sensor monitoring photographic head, when the induced signal photographic head according to sensor is sentenced
Disconnected photographic head is not in the state of taking pictures, turn down the preview voltage of photographic head and the frame per second of camera collection image,
Pixel, is not affecting in the case of user normally uses, is significantly reducing the preview power consumption of photographic head, carry
The high standby time of terminal unit, solves the puzzlement that when user takes pictures, electric quantity consumption is too fast, and is reducing
If user normally uses after power consumption, corresponding function recovers the normal condition before turning down, and improves the use body of user
Test.
5th embodiment
Fig. 8 is the structure chart of the mobile terminal that fifth embodiment of the invention provides.Specifically, the shifting in Fig. 8
Dynamic terminal 800 can be mobile phone, panel computer, personal digital assistant (Personal Digital Assistant,
Or vehicle-mounted computer etc. PDA).
Mobile terminal 800 in Fig. 8 includes radio frequency (RadioFrequency, RF) circuit 810, memorizer
820, input block 830, display unit 840, processor 850, WiFi (Wireless Fidelity) module
860, voicefrequency circuit 870, power supply 880.
Wherein, input block 830 can be used for receive user input numeral or character information, and produce with
The user setup of mobile terminal 800 and function control relevant signal input.
Specifically, in the embodiment of the present invention, this input block 830 can include contact panel 831.Touch-control
Panel 831, also referred to as touch screen, can collect user thereon or neighbouring touch operation (such as user uses
Any applicable object such as finger, stylus or adnexa operation on contact panel 831), and according in advance
The formula set drives corresponding attachment means.Optionally, contact panel 831 can include touch detecting apparatus
With two parts of touch controller.Wherein, the touch orientation of touch detecting apparatus detection user, and detect tactile
Touch the signal that operation brings, transmit a signal to touch controller；Touch controller is from touch detecting apparatus
Receive touch information, and be converted into contact coordinate, then give this processor 850, and can reception process
Order that device 850 is sent also is performed.Furthermore, it is possible to use resistance-type, condenser type, infrared ray and
The polytypes such as surface acoustic wave realize contact panel 831.Except contact panel 831, input block 830 is also
Other input equipments 832 can be included, other input equipments 832 can include but not limited to physical keyboard,
One in function key (such as volume control button, switch key etc.), trace ball, mouse, action bars etc.
Or it is multiple.
Wherein, display unit 840 can be used for the information that inputted by user of display or the information that is supplied to user with
And the various menu interfaces of mobile terminal 800.Display unit 840 can include display floater 841, optionally,
The form such as LCD or Organic Light Emitting Diode (Organic Light-Emitting Diode, OLED) can be used
Configure display floater 841.
It should be noted that contact panel 831 can cover display floater 841, formed and touch display screen, when this touches
Touch display screen detect thereon or after neighbouring touch operation, send processor 850 to determine touch thing
The type of part, regards touching to provide on display screen according to the type of touch event accordingly with preprocessor 850
Feel and export.
Touch display screen and include Application Program Interface viewing area and conventional control viewing area.This Application Program Interface
The arrangement mode of viewing area and this conventional control viewing area does not limit, can be arranged above and below, left-right situs
Etc. the arrangement mode that can distinguish two viewing areas.This Application Program Interface viewing area is displayed for application
The interface of program.Each interface can comprise icon and/or the widget desktop of at least one application program
The interface elements such as control.This Application Program Interface viewing area can also be the empty interface not comprising any content.
This conventional control viewing area is for showing the control that utilization rate is higher, such as, settings button, interface numbering,
The application icons etc. such as scroll bar, phone directory icon.
In embodiments of the present invention, by call the software program stored in this first memory 821 and/or
Data in module and/or this second memory 822, processor 850 is used for: the unlatching of monitoring photographic head
State；
When monitoring photographic head and being in opening, obtain the current induced signal of sensor, according to currently
Induced signal judges the most whether photographic head is in the state of taking pictures；
When judged result is no, turn down instruction to photographic head output power consumption.
Alternatively, as another embodiment, sensor includes the display screen for detecting mobile terminal
Sensitive volume and the distance first sensor with objects in front, first sensor is arranged at display screen place end
Face, processor 850 is additionally operable to: obtain the first induced signal of first sensor；
Between object and the first sensor being arranged at display screen front according to the first induced signal judgement
Distance less than the sensitive volume of the first default value and first sensor less than the second default value time, determine and take the photograph
As head is not presently within the state of taking pictures.
Alternatively, as another embodiment, sensor includes that optical sensor, optical sensor are arranged at shooting
On head, processor 850 is additionally operable to: obtain the second induced signal of optical sensor；
When the sensitive volume judging optical sensor according to the second induced signal is less than three default values, determines and take the photograph
As head is not presently within the state of taking pictures.
Alternatively, as another embodiment, sensor includes the mobile status for detecting mobile terminal
Angular-rate sensor, processor 850 is additionally operable to: obtain the 3rd induced signal of angular-rate sensor；
When the angular velocity judging mobile terminal according to the 3rd induced signal is more than four default values, determines and take the photograph
As head is not presently within the state of taking pictures.
Alternatively, as another embodiment, sensor includes the mobile status for detecting mobile terminal
Acceleration transducer, processor 850 is additionally operable to: obtain the 4th induced signal of acceleration transducer；
When the acceleration judging mobile terminal according to the 4th induced signal is more than five default values, determines and take the photograph
As head is not presently within the state of taking pictures.
Alternatively, as another embodiment, processor 850 is additionally operable to: to the power management list of photographic head
Unit's output turns down the preview voltage of photographic head to the instruction of preset voltage value, preview voltage include digital voltage and
Analog voltage；And/or
The frame per second of camera collection image is turned down to the image signal processing unit output being connected with photographic head
Pixel to preset frame rate and camera collection image extremely presets the instruction of preview pixel.
Alternatively, as another embodiment, processor 850 is additionally operable to: to the figure being connected with photographic head
Phase place focus function and/or the instruction of noise compensation function of photographic head is closed in the output of image signal processing unit.
Alternatively, as another embodiment, processor 850 is additionally operable to: obtain the current sensing of sensor
According to current induced signal, signal, judges the most whether photographic head is in the state of taking pictures, when judged result is yes
Time, heighten instruction to photographic head output power consumption.
Mobile terminal 800 is capable of each process that in previous embodiment, mobile terminal realizes, for avoiding weight
Multiple, repeat no more here.
The mobile terminal 800 of the embodiment of the present invention, is opened the shooting head of mobile terminal by processor 850
Qi Hou, by the use state of Sensor monitoring photographic head, when the induced signal photographic head according to sensor is sentenced
Disconnected photographic head is not in the state of taking pictures, turn down the preview voltage of photographic head and the frame per second of camera collection image,
Pixel, is not affecting in the case of user normally uses, is significantly reducing the preview power consumption of photographic head, carry
The high standby time of terminal unit, solves the puzzlement that when user takes pictures, electric quantity consumption is too fast, and is reducing
If user normally uses after power consumption, corresponding function recovers the normal condition before turning down, and improves the use body of user
Test.
Those of ordinary skill in the art are it is to be appreciated that combine respectively showing of the embodiments described herein description
The unit of example and algorithm steps, it is possible to come with the combination of electronic hardware or computer software and electronic hardware
Realize.These functions perform with hardware or software mode actually, depend on the application-specific of technical scheme
And design constraint.Each specifically should being used for can be used different methods to realize by professional and technical personnel
Described function, but this realization is it is not considered that beyond the scope of this invention.
Those skilled in the art is it can be understood that arrive, for convenience and simplicity of description, and foregoing description
The specific works process of system, device and unit, be referred to the corresponding process in preceding method embodiment,
Do not repeat them here.
In embodiment provided herein, it should be understood that disclosed apparatus and method, Ke Yitong
The mode crossing other realizes.Such as, device embodiment described above is only schematically, such as,
The division of described unit, is only a kind of logic function and divides, and actual can have other division side when realizing
Formula, the most multiple unit or assembly can in conjunction with or be desirably integrated into another system, or some features can
To ignore, or do not perform.Another point, shown or discussed coupling each other or direct-coupling or logical
Letter connection can be the INDIRECT COUPLING by some interfaces, device or unit or communication connection, can be electrical,
Machinery or other form.
The described unit illustrated as separating component can be or may not be physically separate, as
The parts that unit shows can be or may not be physical location, i.e. may be located at a place, or
Can also be distributed on multiple NE.Can select therein some or all of according to the actual needs
Unit realizes the purpose of the present embodiment scheme.
It addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit,
Can also be that unit is individually physically present, it is also possible to two or more unit are integrated in a unit
In.
If described function realizes and as independent production marketing or use using the form of SFU software functional unit
Time, can be stored in a computer read/write memory medium.Based on such understanding, the skill of the present invention
Part or the part of this technical scheme that prior art is contributed by art scheme the most in other words are permissible
Embodying with the form of software product, this computer software product is stored in a storage medium, including
Some instructions are with so that a computer equipment (can be that personal computer, server, or network set
Standby etc.) perform all or part of step of method described in each embodiment of the present invention.And aforesaid storage medium
Including: USB flash disk, portable hard drive, ROM, RAM, magnetic disc, CD etc. are various can store program code
Medium.
The above, the only detailed description of the invention of the present invention, but protection scope of the present invention is not limited to
This, any those familiar with the art, in the technical scope that the invention discloses, can readily occur in
Change or replacement, all should contain within protection scope of the present invention.Therefore, protection scope of the present invention should
It is as the criterion with scope of the claims.
Claims (14)
1. a photographic head power consumption control method, is applied to a mobile terminal, it is characterised in that described shifting
Dynamic terminal includes multiple sensor for detecting the currently used scene of described mobile terminal, described shooting greatest service
Consumption control method includes:
The opening of monitoring photographic head；
When monitoring described photographic head and being in opening, obtain the current induced signal of described sensor,
Judge the most described photographic head is in the state of taking pictures according to described current induced signal；
When judged result is no, turn down instruction to described photographic head output power consumption.
Photographic head power consumption control method the most according to claim 1, it is characterised in that described sensing
Device include the display screen for detecting described mobile terminal sensitive volume and with the distance of objects in front
One sensor, described first sensor is arranged at described display screen place end face, described in wherein said acquisition
According to described current induced signal, the current induced signal of sensor, judges the most described photographic head is in
The step of state of taking pictures, including:
Obtain the first induced signal of described first sensor；
When judging to be arranged at the object in described display screen front and described the according to described first induced signal
Distance between one sensor is less than second less than the sensitive volume of the first default value and described first sensor
During default value, determine that described photographic head is not presently within the state of taking pictures.
Photographic head power consumption control method the most according to claim 1, it is characterised in that described sensing
Device includes that optical sensor, described optical sensor are arranged on described photographic head, the described sensing of wherein said acquisition
According to described current induced signal, the current induced signal of device, judges the most described photographic head is in and takes pictures
The step of state, including:
Obtain the second induced signal of described optical sensor；
When judging that according to described second induced signal the sensitive volume of described optical sensor is less than the 3rd default value
Time, determine that described photographic head is not presently within the state of taking pictures.
Photographic head power consumption control method the most according to claim 1, it is characterised in that described sensing
Device includes the angular-rate sensor of the mobile status for detecting mobile terminal, the described sensing of wherein said acquisition
According to described current induced signal, the current induced signal of device, judges the most described photographic head is in and takes pictures
The step of state, including:
Obtain the 3rd induced signal of described angular-rate sensor；
When judging that according to described 3rd induced signal the angular velocity of described mobile terminal is more than the 4th default value
Time, determine that described photographic head is not presently within the state of taking pictures；And/or
Described sensor includes the acceleration transducer of the mobile status for detecting mobile terminal, wherein said
Obtain the current induced signal of described sensor, judge that described photographic head is current according to described current induced signal
Whether it is not in the step of the state of taking pictures, including:
Obtain the 4th induced signal of described acceleration transducer；
When the acceleration judging described mobile terminal according to the 4th induced signal is more than five default values, really
Fixed described photographic head is not presently within the state of taking pictures.
Photographic head power consumption control method the most according to claim 1, described exports to described photographic head
Power consumption turns down the step of instruction, including:
The preview voltage turning down described photographic head is exported to presetting electricity to the Power Management Unit of described photographic head
The instruction of pressure value, described preview voltage includes digital voltage and analog voltage；And/or
Described camera collection figure is turned down to the image signal processing unit output being connected with described photographic head
The frame per second of picture to preset frame rate and described camera collection image pixel to preset preview pixel instruction.
Photographic head power consumption control method the most according to claim 1, described exports to described photographic head
Power consumption turns down the step of instruction, including:
The phase place of described photographic head is closed to the image signal processing unit output being connected with described photographic head
Focus function and/or noise compensate the instruction of function.
Photographic head power consumption control method the most according to claim 1, described exports to described photographic head
After power consumption turns down the step of instruction, also include:
Obtain the current induced signal of described sensor, judge described photographic head according to described current induced signal
Currently whether it is in the state of taking pictures, when judged result is for being, heightens instruction to described photographic head output power consumption.
8. a mobile terminal, it is characterised in that described mobile terminal includes multiple for detecting described shifting
The sensor of the dynamic currently used scene of terminal, described mobile terminal also includes:
Monitoring modular, for monitoring the opening of photographic head；
Acquisition module, for when monitoring described photographic head and being in opening, obtains described sensor
According to described current induced signal, current induced signal, judges the most described photographic head is in the state of taking pictures；
Power consumption turns down module, for when judged result is no, turns down instruction to described photographic head output power consumption.
Mobile terminal the most according to claim 8, it is characterised in that described sensor include for
Detect the display screen of described mobile terminal sensitive volume and with the distance first sensor of objects in front, institute
Stating first sensor and be arranged at described display screen place end face, wherein said acquisition module includes:
First obtains submodule, for obtaining the first induced signal of described first sensor；
First determines submodule, for when judging to be arranged at described display screen according to described first induced signal
Distance between object and the described first sensor in front is less than the first default value and described first sensing
When the sensitive volume of device is less than the second default value, determine that described photographic head is not presently within the state of taking pictures.
Mobile terminal the most according to claim 8, it is characterised in that described sensor includes that light passes
Sensor, described optical sensor is arranged on described photographic head, and wherein said acquisition module includes:
Second obtains submodule, for obtaining the second induced signal of described optical sensor；
Second determines submodule, for when judging the photosensitive of described optical sensor according to described second induced signal
When amount is less than three default values, determine that described photographic head is not presently within the state of taking pictures.
11. mobile terminals according to claim 8, it is characterised in that described sensor include for
The angular-rate sensor of the mobile status of detection mobile terminal, wherein said acquisition module includes:
3rd obtains submodule, for obtaining the 3rd induced signal of described angular-rate sensor；
3rd determines submodule, for when the angle speed judging described mobile terminal according to described 3rd induced signal
When degree is more than four default values, determine that described photographic head is not presently within the state of taking pictures；And/or
Described sensor includes the acceleration transducer of the mobile status for detecting mobile terminal, wherein said
Acquisition module includes:
4th obtains submodule, for obtaining the 4th induced signal of described acceleration transducer；
4th determines submodule, for when judging that the acceleration of described mobile terminal is big according to the 4th induced signal
When five default values, determine that described photographic head is not presently within the state of taking pictures.
12. mobile terminals according to claim 8, described power consumption turns down module and includes:
Voltage turns down submodule, turns down described photographic head for exporting to the Power Management Unit of described photographic head
Preview voltage to the instruction of preset voltage value, described preview voltage includes digital voltage and analog voltage；With
/ or
Image acquisition submodule, for adjusting to the image signal processing unit output being connected with described photographic head
The frame per second of low described camera collection image to preset frame rate and described camera collection image pixel extremely
Preset the instruction of preview pixel.
13. mobile terminals according to claim 8, described power consumption turns down module and includes:
Close closed submodule, for closing institute to the image signal processing unit output being connected with described photographic head
State phase place focus function and/or the instruction of noise compensation function of photographic head.
14. mobile terminal according to claim 8, described mobile terminal also includes:
Power consumption heightens module, turns down instruction for turning down module in described power consumption to described photographic head output power consumption
Afterwards, obtain the current induced signal of described sensor, judge described shooting according to described current induced signal
Whether head is currently in the state of taking pictures, and when judged result is for being, heightens finger to described photographic head output power consumption
Order.
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| CN201610184736.8A CN105847680B (en) | 2016-03-28 | 2016-03-28 | A kind of camera power consumption control method and mobile terminal |
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| CN201610184736.8A CN105847680B (en) | 2016-03-28 | 2016-03-28 | A kind of camera power consumption control method and mobile terminal |
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