WO2004054239A1 - 電子機器および当該電子機器を用いた撮影方法 - Google Patents
電子機器および当該電子機器を用いた撮影方法 Download PDFInfo
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- WO2004054239A1 WO2004054239A1 PCT/JP2003/015744 JP0315744W WO2004054239A1 WO 2004054239 A1 WO2004054239 A1 WO 2004054239A1 JP 0315744 W JP0315744 W JP 0315744W WO 2004054239 A1 WO2004054239 A1 WO 2004054239A1
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- imaging
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- luminance
- electronic device
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- 238000003384 imaging method Methods 0.000 title claims abstract description 169
- 238000005286 illumination Methods 0.000 claims description 11
- 238000004891 communication Methods 0.000 claims description 4
- 230000006870 function Effects 0.000 abstract description 19
- 235000019557 luminance Nutrition 0.000 description 79
- 238000000034 method Methods 0.000 description 18
- 230000005540 biological transmission Effects 0.000 description 14
- 238000010586 diagram Methods 0.000 description 13
- 230000008859 change Effects 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000012545 processing Methods 0.000 description 6
- 239000004973 liquid crystal related substance Substances 0.000 description 4
- 239000003086 colorant Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 241000593989 Scardinius erythrophthalmus Species 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000004397 blinking Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 201000005111 ocular hyperemia Diseases 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 210000001747 pupil Anatomy 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
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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
- H04N23/56—Cameras or camera modules comprising electronic image sensors; Control thereof provided with illuminating means
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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
- H04N23/70—Circuitry for compensating brightness variation in the scene
- H04N23/74—Circuitry for compensating brightness variation in the scene by influencing the scene brightness using illuminating means
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/0206—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings
- H04M1/0208—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings characterized by the relative motions of the body parts
- H04M1/0214—Foldable telephones, i.e. with body parts pivoting to an open position around an axis parallel to the plane they define in closed position
Definitions
- the present invention relates to an electronic device capable of realizing a flash function and a photographing method using the electronic device.
- Some conventional mobile telephone devices and fixed telephone devices for example, flash a lamp as a call upon receiving an incoming call, or emit light by providing a flash device such as a discharge lamp with a flash lamp.
- a flash device such as a discharge lamp with a flash lamp.
- lamps and flash units are not built in mobile phone units, but are provided exclusively for external use.
- a flash lamp is provided separately from the fixed telephone and equipped with a flash lamp, and when there is an incoming call, the flash lamp emits light in synchronization with the ringing signal (See, for example, Patent Document 2).
- a liquid crystal display with a backlight is provided, and when there is an incoming call, a backlight of the liquid crystal display blinks and emits light (for example, see Patent Document 3).
- a separate device which includes a light emitting element and emits a light emitting element when a mobile phone device receives a call (for example, see Patent Document 4).
- a flash device to be attached to the camera or used in the camera apart from the first light emitting unit that emits a flash, a second device that emits monochromatic light of two different colors, red and blue, is used.
- a light emitting unit is provided, and when the first light emitting unit emits a flash, either one or both of the red and blue lights are continuously emitted for a predetermined time, so that the color temperature of the flash is corrected to the set color temperature.
- Patent Document 1 Japanese Patent Application Laid-Open No. 2001-320622
- Patent Document 2 Japanese Utility Model Laid-Open No. 7-14739
- Patent Document 3 JP-A-3-280778
- Patent Document 4 Utility Model Registration No. 3082867
- Patent Document 5 JP-A-10-206942
- the mobile phone equipped with the conventional camera described above requires a new flash device and LED to realize the flash function in order to improve the image quality in low-light environments.
- a new flash device and LED to realize the flash function in order to improve the image quality in low-light environments.
- an electronic device includes a display unit and an imaging unit, and a display surface of the display unit and an imaging direction of the imaging unit are set in the same direction.
- Electronic device wherein the display brightness of the display means is controlled to be switched at at least two levels, and at the time of imaging by the imaging means, the display means is controlled to display a predetermined image at the highest luminance level.
- a display control means is provided. Therefore, the flash function can be realized without mounting new components. As a result, it is possible to eliminate the increase in mounting area and thickness due to the addition of new components, the generation of noise during flash emission, and the increase in cost.
- the display control means may change a display luminance of the display means before and after the moment when the imaging means captures an image, and display the display means on the display means before the imaging time.
- the luminance is switched to the highest luminance level, and the display luminance of the display means is switched to a luminance level lower than the highest luminance level after the moment of imaging.
- the predetermined image is an image in which all of the pixels constituting the display unit emit white light. By making all the pixels emit white light, the necessary brightness at the time of flash emission can be obtained most efficiently.
- the predetermined image is an image selected in advance before imaging by the imaging unit.
- the display means includes: first display means provided on a front side of the electronic apparatus; and second display means provided on a back side of the electronic apparatus.
- the imaging means comprises: a first imaging means provided on the front side of the electronic device; and a second imaging means provided on the back side of the electronic device.
- the control means causes the second display means to display the predetermined image at the highest luminance level, and an arbitrary luminance level on the first display means. Displaying the image from the second imaging means in the first imaging means, and photographing using the first imaging means, the display control means displays the predetermined image at the highest luminance level on the first display means. And an arbitrary brightness is displayed on the second display means. It is desirable to display any image in the bell.
- an imaging method includes an electronic device including a display unit and an imaging unit, wherein a display surface of the display means and an imaging direction of the imaging unit are set to the same direction. And controlling the switching of the display brightness of the display means at at least two levels, wherein the display means displays a predetermined image at the highest brightness level during imaging by the imaging means.
- the display luminance of the display means is switched to the highest luminance level immediately before the image capturing means captures an image, and the display luminance of the display means is switched after the image capturing means captures an image.
- the display brightness is switched to a brightness level lower than the highest brightness level.
- the electronic device may further include a light emitting unit that emits light when energized, a lighting control unit that controls lighting of the light emitting unit, and a lighting instruction that instructs the lighting control unit to light the light emitting unit.
- the first lighting use is assumed to be an incoming call notification of a telephone or the like, and the second brightness in the second lighting use is made higher than the first brightness in the first lighting use.
- a light emitting means such as an LED as a flash (photographing illumination) at the time of photographing by the imaging means.
- the lighting control means turns on the light emitting means for notification of an incoming call as the first lighting use when an incoming call is received by a communication means.
- an incoming call such as a telephone call can be visually notified by using the light emitting means for incoming call notification.
- the lighting control means turns on the light-emitting means for a time alarm notification as the first lighting use when a predetermined alarm set time is reached.
- the time alarm can be visually notified by using the light emitting means for the time alarm notification.
- the lighting control unit causes the light emitting unit to emit light for photographing illumination of an imaging unit as the second lighting application.
- one light emitting means can be used as an incoming call notification, a time alarm notification, and the like, and a flash light can be used as the photographing illumination. Can be performed.
- the lighting control unit emits light at a second luminance before shooting by the imaging unit when performing shooting illumination of the imaging unit as the second lighting application.
- the light emitting means emits light at a third luminance higher than the second luminance at the time of photographing by the imaging means.
- the light-emitting means when used as photographing illumination, for example, a pre-light emission before photographing and a flash light emission during photographing are realized by one light-emitting means, and a photographed image of good image quality is obtained. Becomes possible.
- FIG. 1 is a block diagram illustrating a configuration of a mobile phone device according to an embodiment of the present invention.
- FIG. 2 is an external view illustrating a mobile phone device according to an embodiment of the present invention.
- FIG. 3 is a diagram illustrating a display unit and a rear display unit at the time of preview and shooting when performing imaging using a rear imaging unit.
- FIG. 4 is an explanatory diagram showing each display content and each display luminance of FIG.
- FIG. 4 is an explanatory diagram showing display contents and display luminances of the display unit and the rear display unit at the time of preview and at the time of image capturing when imaging is performed using the imaging unit.
- Fig. 6 is a flowchart showing an imaging processing procedure when imaging using FIG. 6 is a flowchart illustrating an imaging processing procedure when imaging is performed using the imaging unit.
- FIG. 7 is a block diagram showing the configuration of the mobile phone device according to one embodiment of the present invention.
- FIG. 8 is a perspective view showing an external configuration of a mobile phone device according to an embodiment of the present invention, wherein (a) is a diagram showing a front side, (b) is a diagram showing a back side,
- FIG. 9 is a flowchart illustrating a schematic procedure of a shooting operation when the second imaging unit is used in the mobile phone device according to one embodiment of the present invention.
- FIG. 10 is an operation explanatory diagram showing a luminance state of the LED unit at the time of preview and at the time of imaging of the mobile phone device according to one embodiment of the present invention
- FIG. 11 is an operation explanatory diagram showing a luminance change of the LED section of the mobile phone device according to one embodiment of the present invention
- FIG. 12 is a perspective view showing an external configuration of a first application example of the mobile phone device according to one embodiment of the present invention.
- FIG. 13 is a perspective view showing an external configuration of a second application example of the mobile phone device according to one embodiment of the present invention.
- FIG. 14 is a perspective view showing an external configuration of a third applied example of the mobile phone device according to one embodiment of the present invention.
- 101 is a mobile phone
- 102 is a wireless transmitting / receiving unit
- 103 is a transmitting / receiving unit
- 104 is a handset
- 105 is an operating unit
- 106 is a memory
- 107 is a control unit
- 108 is a display unit
- 109 is a rear display unit
- 110 is an imaging unit
- 110 is a rear imaging unit
- 111 is an antenna
- 210 is an antenna
- 2 is 0 2 is a wireless transmission / reception unit
- 203 is a handset
- 204 is a transmission / reception unit
- 205 is an operation unit
- 206 is a storage unit
- 207 is an LED unit
- 208 is a first unit.
- Display unit, 209 is the second display unit
- 210 is the first imaging unit
- 211 is the second imaging unit
- 211 is the light source unit for the first display unit
- 213 is the second display unit
- a mobile phone with a camera (hereinafter, simply referred to as a “mobile phone”) will be described as an example of the electronic device according to the present invention.
- the present invention is not limited to a mobile phone, and may be applied to a digital camera, a notebook C, a digital camera and the like.
- FIG. 1 is a block diagram showing a configuration of a mobile phone according to an embodiment of the present invention.
- the mobile phone 101 of the present embodiment includes an antenna 112, a silent transmitter / receiver 102, a transmitter / receiver 3, a transmitter / receiver 104, an operation unit 105, and a memory 106.
- a control unit 107 corresponding to the display control means of the claims; a display unit 108 corresponding to the display means and the first display means; and a rear display corresponding to the display means and the second display means.
- the control unit 107 detects that the power is turned on, and makes each unit operable. Then, operate the operation unit 105 to input the telephone number of the other party, or operate the operation unit 105 to call the telephone number of the other party registered in the memory 106 and call the outgoing key. When is pressed, radio transmission for calling is performed from the antenna 112 to the base station via the silent transmission / reception unit 102. When the other party answers, the control unit 107 receives the response signal sent from the base station by the silent transmission / reception unit 102 via the antenna 112, and makes the transmission / reception unit 3 operable. . As a result, the user of the mobile phone 101 can talk with the other party via the handset 104.
- the display unit 108 and the rear display unit 109 indicate when the power of the mobile phone 101 is turned on, and display the telephone number when the telephone number is entered or called. When the other party responds, a message to that effect is displayed. Further, the control unit 107 controls the display unit 108 and the rear display unit 109 at the time of shooting a subject, and when a user operates the operation unit 105 to perform imaging, Transfer the captured image data to memory 106 and save it.
- FIG. 2 is an external view showing the mobile phone 101 of the present embodiment.
- the mobile phone 101 of the present embodiment has an upper housing 1a and a lower housing 1b each having a hinge 1c. It is a foldable type that can be opened and closed freely through the.
- the display unit 108 and the imaging unit 110 are arranged on the same surface (front) of the upper housing 1a.
- An operation unit 105 including various keys such as a power key 115 and a shutter key 116 is provided on an outer surface (rear surface) of a.
- a rear display unit 109 and a rear imaging unit 110 are arranged on the same surface on the rear surface of the upper housing 1a.
- the mobile phone 101 of the present embodiment is provided with two imaging units.
- FIG. 3 shows display contents and display luminances of the display unit 108 and the back surface display unit 109 at the time of preview and shooting when performing imaging using the rear imaging unit 111.
- FIG. 4 is a view showing the display contents and the display brightness of the display unit 108 and the rear display unit 109 at the time of preview and at the time of shooting when imaging is performed using the imaging unit 110.
- an image from the rear imaging unit 111 is displayed on the display unit 108 at an arbitrary luminance.
- the display unit 109 displays a flash-only image at a luminance of 1.
- an image from the rear imaging section 111 is displayed at an arbitrary luminance on the display section 108, and a luminance 2 is displayed on the rear display section 109. Flash-only image is displayed.
- the luminance level of the luminance 2 is higher than that of the luminance 1 and the luminance 2, and the display of the flash-only image at the luminance 2 serves as a flash.
- the flash-only image displayed on the rear display unit 109 during preview and the flash-only image displayed on the rear display unit 109 during shooting need not be the same, and may be different images.
- an image from the imaging unit 110 is displayed on the display unit 108 with a luminance of 3, and the rear display unit is displayed.
- a flash-only image with a luminance of 4 is displayed.
- the display unit 108 performs an arbitrary display at an arbitrary luminance
- the rear display unit 109 also performs an arbitrary display at an arbitrary luminance. It should be noted that the luminance of the luminance 3 and the luminance 4 is higher in the luminance 4 The level is high, and the display of a flash-only image at a luminance of 4 plays the role of a flash.
- the flash-only image may be displayed by reading image data registered in the memory 106 in advance, or may be a display in which all pixels are simply white. By making all pixels emit white light, the brightness required for flash emission can be obtained most efficiently. However, if the color is red, blue, or green, special shooting will be possible. For example, all pixels emit red light, which can give interesting effects to captured images.
- a plurality of types can be prepared.
- a plurality of types of flash-only images may be registered in the memory in advance, and a desired flash-only image may be selected by a predetermined key operation of the operation unit 105 before the start of shooting.
- FIG. 5 is a flowchart illustrating an imaging processing procedure when imaging is performed using the rear imaging unit 111.
- the program for executing the imaging processing procedure shown in the figure is stored in a memory (not shown) in the control unit 107. For example, when the user enters a predetermined key operation to enter a shooting preparation stage.
- the CPU (not shown) in the control unit 107 executes the program.
- the display unit 108 is used instead of the viewfinder, and the rear display unit 109 is used as a flash light source.
- a flash-only screen is displayed on the rear display unit 109 at a luminance level of luminance 1, and an image from the rear imaging unit 111 is displayed on the display unit 108 at an arbitrary luminance.
- a preview operation for continuously displaying is performed (step S11).
- a black screen having a brightness of 0 as the brightness of brightness 1 may be displayed on the rear display unit 109, but the preview screen is displayed in an environment with low illuminance.
- step S12 it is determined whether or not the shutter key 116 has been pressed during the preview operation. If the shutter key 1 16 has not been pressed, the process returns to step S 11 to continue the preview operation. If the shutter key 1 16 has been pressed (that is, during image capture), the display brightness of the rear display unit 109 will be displayed. The flash operation is performed with the brightness set to 2 which is higher than the brightness 1 and the rear imaging unit 111 captures an image at this timing (step S 13).
- the luminance 2 is set in advance to a luminance appropriate for the flash light.
- the image data of the image captured by the rear imaging unit 111 is captured and stored in the memory 106 (step S14).
- the display luminance of the display unit 108 at the time of shooting in step S13 may be any luminance suitable for the preview display.
- step S15 After capturing the image data, the display luminance of the rear display unit 109 is returned from luminance 2 to luminance 1, and a flash-only image is displayed (step S15). Thereafter, it is determined whether or not a predetermined key operation has been performed on the operation unit 105 to end photographing (step S16). If the shooting has not ended, the process returns to step S11, and if the shooting has ended, this process ends.
- FIG. 6 is a flowchart illustrating an imaging processing procedure when imaging is performed using the imaging unit 110.
- a program for executing the imaging processing procedure shown in the figure is stored in a memory (not shown) in the control unit 107. For example, when a user performs a predetermined key operation, a shooting preparation stage is started. Then, a CPU (not shown) in the control unit 107 executes the program.
- the display unit 108 When imaging (front imaging) using the imaging unit 110, the display unit 108 is used in place of the finder and also as a flash light source. In this case, since the rear display unit 109 is not used for the purpose of the flash light source, an arbitrary image is displayed at an arbitrary luminance at the time of both preview and photographing.
- a preview operation of continuously displaying an image from the imaging unit 110 at a luminance level of luminance 3 on the display unit 108 is performed (step S21).
- step S22 it is determined whether or not the shutter key 1 16 has been pressed during the preview operation. If the shutter key 1 16 has not been pressed, the process returns to step S21 to continue the preview operation. If the shutter key 1 16 has been pressed (that is, When an image is set, the display unit 108 sets the display luminance to a luminance 4 that is higher than the luminance 3. At the same time, the display screen is switched to a flash-only image and the flash operation is performed. 0 performs imaging (step S23). Note that the luminance 4 is set in advance to a luminance suitable for the flash light. Next, the image data of the image captured by the imaging unit 110 is captured and stored in the memory 106 (step S24).
- step S25 After capturing the image data, the display luminance of the display unit 108 is returned from luminance 4 to luminance 3, and the display screen is switched to the image from the imaging unit 110 (step S25). Thereafter, it is determined whether a predetermined key operation is performed on the operation unit 105 to end the shooting (step S26). If the shooting has not ended, the process returns to step S21, and if the shooting has ended, this process ends.
- the mobile phone 101 of the present embodiment uses light emitted from the display unit 108 or the rear display unit 109 as a flash light source when capturing an image.
- the flash function can be realized without newly mounting components such as a flash device and an LED.
- problems such as an increase in mounting area and thickness due to the addition of new components, generation of noise during flash emission, and an increase in cost can be solved. Since the display luminance of the display unit 108 or the rear display unit 109 used as a flash light source is increased only at the moment of photographing (at the time of photographing), power consumption can be reduced.
- the mobile phone 101 of the present embodiment has two imaging units and two display units, the number may be three or more, or may be different from each other. Further, the change of the luminance may be stepwise or continuous. Further, the luminance 2 of the rear display unit 109 and the luminance 4 of the display unit 108 at the time of shooting may be arbitrarily set by the user within a predetermined range corresponding to the flash light. Further, examples of the display section 108 and the rear display section 1 ⁇ 9 include a liquid crystal display device with a backlight, a plasma display, an organic EL, an FED (field emission display), and a light emitting diode array.
- FIG. 7 is a block diagram showing a configuration of the mobile phone device according to one embodiment of the present invention.
- FIG. 8 is a perspective view showing an external configuration of the mobile phone device according to the present embodiment, wherein (a) shows a front side and (b) shows a back side.
- the mobile phone device of the present embodiment includes an antenna 201, a wireless transmission / reception unit 202 serving as a communication unit for transmitting / receiving a wireless signal, and a handset 200-3 having a microphone and a speaker.
- An LED unit 207 used for reporting the state of the main body is provided.
- the mobile phone device includes a first display unit 208 and a second display unit 209 including a liquid crystal display device (LCD) and the like, and a CCD (Charge Coupled Device) image sensor.
- LCD liquid crystal display device
- CCD Charge Coupled Device
- the transmission / reception unit 204 outputs the voice of the other party to the speaker of the transmission / reception device 203, and transmits the voice of the user of the apparatus input to the microphone of the transmission / reception device 203 to the control unit 214. I do.
- the first display unit 208 and the second display unit 2 9 are used to display the operation contents when executing various functions of the present apparatus.
- the first display unit 208 and the first imaging unit 210 are provided on the front side of the mobile phone device as shown in FIG. 8A.
- the second display unit 209 and the second imaging unit 211 are provided on the back side of the mobile phone device, as shown in FIG. 8B.
- the LED section 207 has a form in which light emitted from either surface can be seen on both the front side and the back side at the upper end of the apparatus main body. It is arranged in.
- the LED section 207 corresponds to the light-emitting means described in the claims, and is constituted by, for example, three-color LEDs (light-emitting diodes) of red, green, and blue. To realize many kinds of colors including white, lighting pattern and brightness By changing the degree, various notification patterns are realized with only one LED unit 207. For example, as described above, notification of the state of the apparatus main body such as an incoming call or a charging state is performed. It also has a function of notifying that the power has been turned on, and a function of exchanging data with other mobile phone devices using light such as infrared light. Further, the LED unit 2007 has a flash function of emitting white light with high luminance as a photographing illumination when a shutter button as a lighting instruction means in the operation unit 205 is operated.
- the control unit 214 corresponds to the lighting control means described in the claims, and controls the light emission mode such as the lighting pattern and the brightness of the LED unit 207.
- the LED section 207 is shared with the second display section light source section 2 13 of the second display section 209, and is used for the second display section 209 having a small display color such as a monochrome display element. It is possible to increase or divert the display variations.
- the first display unit light source unit 212 includes an LED or the like, and constitutes a so-called backlight / front light used to make the first display unit 208 easily viewable in a dark environment.
- the second display unit light source unit 2 13 is formed of an LED or the like, and constitutes a so-called backlight / front light that is used to make the second display unit 209 easy to see in a dark environment.
- the control unit 214 When the user performs an operation of turning on the power using the operation unit 205, the operation is detected by the control unit 214, and each unit of the apparatus is made operable. After the device is ready for use, the ability for the user to dial the telephone number of the called party on the operating unit 205, or the call destination stored in the storage unit 206 When the call key is operated by calling the other party's telephone number, the control unit 214 performs a calling operation, and a radio signal for calling from the antenna 1 via the radio transmitting and receiving unit 202. Send
- the radio signal transmitted from antenna 201 is received by a base station (not shown).
- the base station receives the radio signal
- the calling user makes a call to the intended party.
- the radio signal for this response The signal is received by the wireless transmission / reception unit 202 via the antenna 201.
- the transmission / reception unit 204 becomes operable under the control of the control unit 214, and it becomes possible to communicate with the other party using the transmission / reception unit 203.
- a display indicating the power-on state is performed on the first display unit 208 and the second display unit 209 by the display control of the control unit 214.
- the respective telephone numbers are displayed on the first display unit 200 under the control of the control unit 214. 8 or the second display section 209.
- the other party responds, the fact is displayed on the first display unit 208 and the second display unit 209.
- the LED unit 207 lights up to notify the incoming call together with the incoming call tone under the control of the control unit 214.
- the status of the device such as during a call, charging, or charging is indicated by a light emitting state, or that the power is turned on even when the first display unit 208 and the second display unit 2009 are off. Informing such as.
- control unit 214 controls the first imaging unit 210 and the second imaging unit 211 to capture a captured image when capturing a subject. At this time, when the shutter is cut off by the shooting instruction operation of the operation unit 205, the control unit 214 may output image data obtained by imaging by the first imaging unit 210 or the second imaging unit 211. Is transferred to the storage unit 206 as imaging data and stored.
- FIG. 9 is a flowchart showing a schematic procedure of a photographing operation when the second imaging section 2 1 1 is used.
- FIG. 10 is an operation explanatory diagram showing the luminance state of the LED unit 207 during preview and imaging.
- a photographed image of the subject is displayed by using the first display unit 208 or the second display unit 209 instead of the finder, and the LED is used.
- Part 207 is used as a flash light source.
- the red LED of the LED unit 207 is turned on as shown in FIG. 10 to indicate the operation state of the second imaging unit 211, and the imaging unit is set to the state of luminance “2”. It indicates that the camera is in operation (step S31), and continuously converts the image data obtained by the second imaging unit 211. Then, a preview operation to be displayed on the first display unit 208 or the second display unit 209 is executed (step S32).
- the light may be turned off at the same luminance “0” as at the time of stop (non-operation).
- the red-eye phenomenon may occur where light is reflected on the fundus and looks red because the pupil of the human eye is open in a dark place.
- the LED unit 207 is turned on with a brightness of “2” having a certain level of brightness, so that the LED unit 207 functions as a pre-emission at the time of flash emission because it is also used as a light for illuminating the subject.
- step S32 if the shirt button is not pressed, the preview operation of step S32 is repeated.
- the control unit 214 simultaneously controls the green and blue LEDs of the LED unit 207.
- the flash is turned on to set the brightness to "3", which is higher than the brightness "2”, and execute the flash emission operation (step S34).
- the image data obtained by the second imaging unit 211 in synchronization with the timing of the flash emission is stored in the storage unit 206 as the imaging data (step S35).
- the green and blue LEDs of the LED section 207 are turned off, the luminance is returned from "3" to "2", and the flash emission ends (step S36).
- FIG. 11 is an operation explanatory diagram showing a luminance change of the LED unit 207.
- the part marked "0 N" indicates that the LED is lit for 1 unit time.
- the brightness of the LED unit 207 is “0”.
- the flash function can be realized without adding a new flash device or light emitting diode, and the mounting area, thickness, and cost are increased by adding new members. It can solve problems such as noise, and noise. Further, since the brightness can be increased only at the moment of imaging, power consumption can be reduced.
- the change in the brightness of the LED unit 207 was realized by lighting LEDs of different colors.However, by using a plurality of LEDs of the same color or increasing the current value flowing through the LEDs Alternatively, a change in luminance may be realized.
- the first lighting application of the LED unit 207 is an incoming call notification of a telephone or the like
- the second lighting application is a flash light emission. It can also be used as a lighting application for time alarm notification when a predetermined alarm set time has come, e-mail reception notification, and the like.
- the operation example in the case where the second imaging unit 211 captures an image has been described, but the first imaging unit 210 can also realize the same operation.
- two imaging units (the first imaging unit 210 and the second imaging unit 211) and two display units (the first display unit 208 and the second display unit 210) are used. 9)
- the imaging operation flow and the display contents and brightness of each display unit during imaging are considered in the same manner. Therefore, there is no difference from one embodiment of the present invention.
- the flash function is realized by the light emission of the LED unit 207, but the flash function is realized by the light source unit 2 1 2 for the first display unit or the light source unit 2 13 for the second display unit. It is also possible. In other words, when imaging with the first imaging unit 210 on the front side, the brightness of the first display unit light source unit 212 is increased to emit flash light, and imaging is performed with the second imaging unit 211 on the back side. In such a case, the luminance of the second display unit light source unit 2 13 may be increased to emit a flash light.
- the brightness control of the LED is applied to the mobile phone device.
- electronic equipment such as a PDA (Personal Digital Assistant) with a camera, but also a personal computer (so-called notebook personal computer) ) Is also applicable.
- FIG. 12 is a perspective view showing an external configuration of a first applied example of the mobile phone device according to the present embodiment.
- the LED section 12 is disposed so as to be able to slide back and forth with respect to the apparatus body (in the direction perpendicular to the imaging surface of the imaging section). With this configuration, the illuminance at the time of flash emission can be increased.
- FIG. 13 is a perspective view showing an external configuration of a second applied example of the mobile phone device according to the present embodiment.
- the LED unit 12 is disposed so as to be able to slide up and down (in a direction parallel to the imaging surface of the imaging unit) with respect to the apparatus main body. With such a configuration, the illuminance at the time of flash emission can be increased as in the first application example.
- FIG. 14 is a perspective view showing an external configuration of a third applied example of the mobile phone device according to the present embodiment.
- a reflector 215 is provided around the LED section 12.
- the reflecting member 215 is arranged at an angle so that light spreads forward with respect to the apparatus main body (in the forward direction with respect to the imaging surface of the imaging unit).
- the same reflective material is provided on the back side of the device main body. With such a configuration, the illuminance at the time of flash emission can be increased as in the first and second application examples.
- the position where the LED section 12 is arranged is not limited to the positions shown in FIGS. 8 and 12 to 14, and may be arbitrarily located at any position according to the device configuration and the like.
- LED parts are provided as appropriate, such as the front part, the back part, both the front part and the back part, the side part, the vicinity of the housing corner, the hinge part or the hinge part, and the end part on the operation part side of the device main body. That's a thing.
- one light emitting means such as an LED can be used for a plurality of purposes by lighting it with different brightness for each purpose.
- the first lighting purpose is an incoming call notification.
- the second luminance in the second lighting application is set to be higher than the first luminance in the first lighting application, the second luminance can be used as a flash at the time of camera shooting.
- the first lighting use of the light emitting means is the notification of the incoming call, so that the user can visually recognize the incoming call of the telephone or the like.
- the first lighting application of the light emitting means is a time alarm notification, the user can visually recognize the time alarm at the set time.
- the second lighting use of the light emitting means can be set as a photographing illumination, one light emitting means can be used as an incoming call notification or a time alarm notification, and can be used as a photographing illumination.
- the electronic device and the imaging method using the electronic device according to the present invention it is possible to provide an electronic device that realizes a flash function without mounting a new component. As a result, it is possible to eliminate the increase in mounting area and thickness due to the addition of new components, the generation of noise during flash emission, and the increase in cost.
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- Engineering & Computer Science (AREA)
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- Signal Processing (AREA)
- Studio Devices (AREA)
- Telephone Function (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004558446A JP4098305B2 (ja) | 2002-12-12 | 2003-12-09 | 電子機器および当該電子機器を用いた撮影方法 |
AU2003289276A AU2003289276A1 (en) | 2002-12-12 | 2003-12-09 | Electronic device and imaging method using the electronic device |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002-360843 | 2002-12-12 | ||
JP2002360843 | 2002-12-12 | ||
JP2002-377208 | 2002-12-26 | ||
JP2002377208 | 2002-12-26 |
Publications (1)
Publication Number | Publication Date |
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WO2004054239A1 true WO2004054239A1 (ja) | 2004-06-24 |
Family
ID=32510659
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2003/015744 WO2004054239A1 (ja) | 2002-12-12 | 2003-12-09 | 電子機器および当該電子機器を用いた撮影方法 |
Country Status (3)
Country | Link |
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JP (1) | JP4098305B2 (ja) |
AU (1) | AU2003289276A1 (ja) |
WO (1) | WO2004054239A1 (ja) |
Cited By (6)
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US7663691B2 (en) | 2005-10-11 | 2010-02-16 | Apple Inc. | Image capture using display device as light source |
US8085318B2 (en) | 2005-10-11 | 2011-12-27 | Apple Inc. | Real-time image capture and manipulation based on streaming data |
JP2014183558A (ja) * | 2013-03-21 | 2014-09-29 | Casio Comput Co Ltd | 撮像装置、撮像制御方法及びプログラム |
JP2016506707A (ja) * | 2013-12-31 | 2016-03-03 | ▲ホア▼▲ウェイ▼技術有限公司 | 撮影方法、装置、および端末 |
US9462169B2 (en) | 2013-12-31 | 2016-10-04 | Huawei Technologies Co., Ltd. | Shooting method, apparatus, and terminal |
JP2017509003A (ja) * | 2013-12-12 | 2017-03-30 | 華為技術有限公司Huawei Technologies Co.,Ltd. | 撮影装置 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN210183364U (zh) * | 2019-04-25 | 2020-03-24 | Oppo广东移动通信有限公司 | 移动终端 |
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- 2003-12-09 WO PCT/JP2003/015744 patent/WO2004054239A1/ja not_active Application Discontinuation
- 2003-12-09 AU AU2003289276A patent/AU2003289276A1/en not_active Abandoned
- 2003-12-09 JP JP2004558446A patent/JP4098305B2/ja not_active Expired - Fee Related
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---|---|---|---|---|
US8970776B2 (en) | 2005-06-15 | 2015-03-03 | Apple Inc. | Image capture using display device as light source |
US9413978B2 (en) | 2005-06-15 | 2016-08-09 | Apple Inc. | Image capture using display device as light source |
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JP2017509003A (ja) * | 2013-12-12 | 2017-03-30 | 華為技術有限公司Huawei Technologies Co.,Ltd. | 撮影装置 |
US10264179B2 (en) | 2013-12-12 | 2019-04-16 | Huawei Technologies Co., Ltd. | Photographing apparatus |
JP2016506707A (ja) * | 2013-12-31 | 2016-03-03 | ▲ホア▼▲ウェイ▼技術有限公司 | 撮影方法、装置、および端末 |
US9462169B2 (en) | 2013-12-31 | 2016-10-04 | Huawei Technologies Co., Ltd. | Shooting method, apparatus, and terminal |
Also Published As
Publication number | Publication date |
---|---|
JPWO2004054239A1 (ja) | 2006-04-13 |
JP4098305B2 (ja) | 2008-06-11 |
AU2003289276A1 (en) | 2004-06-30 |
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