CN102413442B - Method for preventing loss of mobile phone and mobile phone - Google Patents
Method for preventing loss of mobile phone and mobile phone Download PDFInfo
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- CN102413442B CN102413442B CN201110354803.3A CN201110354803A CN102413442B CN 102413442 B CN102413442 B CN 102413442B CN 201110354803 A CN201110354803 A CN 201110354803A CN 102413442 B CN102413442 B CN 102413442B
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- 238000000034 method Methods 0.000 title claims abstract description 25
- 230000001133 acceleration Effects 0.000 claims description 44
- 238000012545 processing Methods 0.000 claims description 37
- 238000001514 detection method Methods 0.000 claims description 13
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- 230000005484 gravity Effects 0.000 claims description 10
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Abstract
The invention is applied to the mobile terminal technology field, and provides a method for preventing loss of a mobile phone and the mobile phone. According to the method, through a G-sensor, a mobile phone state signal is detected in real time and an acquired signal is sent to a central processor; through the G-sensor, whether continuous weight loss time of the mobile phone exceeds first predetermined time or not is determined, if the continuous weight loss time exceeds the first predetermined time, falling of the mobile phone is determined, and simultaneously an alarm module is triggered to open a mobile phone loudspeaker with maximum volume and the loudspeaker plays alarm music to prompt a user; whether the fallen mobile phone is picked up within second predetermined time or not is determined, if so, alarm is stopped, and otherwise, a short message is automatically sent to a user preset number to prompt the user that the mobile phone is lost. By utilizing the method and the mobile phone, probability of losing the mobile phone of the user can be substantially reduced, design structure is simple, and user usage experience and user satisfaction are raised.
Description
Technical field
The invention belongs to technical field of mobile terminals, particularly relate to warning reminding user after lost mobile phone, and automatically send short message to the method for a kind of preventing handset from losing of user preset number and mobile phone.
Background technology
In recent years, along with the development of mobile terminal, mobile phone is suitable universal in daily life, the design of mobile phone is also more and smaller and more exquisite, exquisite, be easy to lose, cellphone subscriber in daily life the very most of reason of lost mobile phone cause because user mobile phone falls because of carelessness and also mobile phone fall after do not provide any prompting to user, so just bring very large inconvenience to user, how by judging that falling of mobile phone prevents lost mobile phone from being the problem that the present invention needs to solve.
So prior art existing defects, needs to improve.
Summary of the invention
The object of the present invention is to provide a kind of method and mobile phone of preventing handset from losing, being intended to solve after mobile phone falls does not have prompting function, reaches the object that user can obtain information of losing handset timely.
The present invention is achieved in that a kind of method of preventing handset from losing, it is characterized in that, described method comprises the steps:
A method for preventing handset from losing, wherein, described method comprises the steps:
A, open described mobile phone alarm function, user preset number and short message are set;
B, status signal by mobile phone described in acceleration transducer Real-time Collection, the described status signal gathered is sent to the central processing unit be connected with described acceleration transducer, judge that whether the continuous zero-g time of described mobile phone is more than first scheduled time by described central processing unit, if exceeded, judge that described mobile phone falls, proceed to step C, otherwise described mobile phone normally works;
C, trigger alarm module reminding user, and judge whether the described mobile phone fallen is picked up within second scheduled time, is, close and report to the police, otherwise, automatically send described short message to described user preset number.
The method of described preventing handset from losing, wherein, described first scheduled time calculates according to following formula (1):
H=1/2gt
2 (1)
Wherein, the height of H residing for described mobile phone, g is acceleration of gravity, and t is for judging first scheduled time that the continuous weightlessness of described mobile phone is fallen.
The method of described preventing handset from losing, wherein, in described step B, the continuous weightlessness of mobile phone is judged in the following way: described central processing unit reads the D coordinates value of described acceleration transducer every the 3rd scheduled time, if the described acceleration transducer D coordinates value that pre-determined number reads continuously is similar to (0,0,0), be then judged as that described mobile phone zero-g time exceedes described first scheduled time.
The method of described preventing handset from losing, wherein, described 3rd scheduled time is 50 milliseconds, and described pre-determined number is 9 times.
The method of described preventing handset from losing, wherein, described step C specifically comprises the steps:
C1, control trigger alarm module by described central processing unit, open mobile phone speaker with max volume and play alarm music;
C2, unlatching time-out time are the timer T2 of described second scheduled time, the interface that the loss showing described mobile phone is reported to the police;
C3, judge whether user presses the confirming button at described interface, enters step C4 in this way, otherwise enter step C5;
C4, close described timer T2 and described alarm module;
C5, judge whether described timer T2 exceedes described second scheduled time, if exceed described second scheduled time to proceed to step C6, otherwise return step C3;
C6, the automatically described short message of transmission are to described user preset number.
A kind of mobile phone; comprise central processing unit and memory module; described memory module is connected with described central processing unit; wherein; also comprise acceleration transducer, described acceleration transducer is connected with described central processing unit by I2C bus, is built in described mobile phone; the described status signal gathered for gathering the status signal of described mobile phone, and is sent to described central processing unit by described acceleration transducer; Described central processing unit for judging that whether the continuous zero-g time of described mobile phone is more than first scheduled time, and controls trigger alarm module according to judged result, and automatically sends SMS message to user preset number.
Described mobile phone, wherein, also comprise and module is set, fall detection module and alarm module, the described module that arranges inputs user preset number and information for pointing out user, whether the described detection module that falls falls for detecting described mobile phone, and described alarm module is used for mobile phone described in reminding user and falls and send warning, and automatically sends described short message to described user preset number.
Beneficial effect of the present invention is: the method for a kind of preventing handset from losing provided by the present invention and mobile phone, by arranging an acceleration transducer at interior of mobile phone, the status signal of real-time detection of handset, after mobile phone falls, the timely reminding user of trigger alarm module, as in 10 seconds mobile phone without any operation then automatic transfer cease to user preset number, make user can find the mobile phone of loss smoothly, utilize the present invention greatly can reduce the probability that user loses mobile phone, project organization of the present invention is simple, user's experience can be promoted, improve the satisfaction of user.
Accompanying drawing explanation
Fig. 1 is the mobile phone theory diagram of the embodiment of the present invention.
Fig. 2 is the cell phone software functions of modules block diagram of the embodiment of the present invention.
Shown in Fig. 3 a-Fig. 3 c be respectively the user of the embodiment of the present invention call module menu schematic diagram is set.
Fig. 4 is embodiment of the present invention mobile phone coordinate schematic diagram.
Fig. 5 is that detection module method flow diagram is fallen in the setting of the embodiment of the present invention.
Fig. 6 be the embodiment of the present invention alarm module method flow diagram is set.
Fig. 7 is the interface schematic diagram that the display lost mobile phone of the embodiment of the present invention is reported to the police.
Fig. 8 is the flow chart of the preventing handset from losing of the embodiment of the present invention.
Embodiment
The invention provides a kind of method and mobile phone of preventing handset from losing, not remind in time to user after prior art mobile phone falls to solve and to send note to the number of user preset, with the problem pointing out user mobile phone to lose, the present invention has installed an acceleration transducer (G-sensor) additional at interior of mobile phone, and by adding corresponding software function module on existing cell phone software, comprise and module is set, fall detection module, alarm module, arranged by these modules and judge whether mobile phone is in state of weightlessness, input user preset number and short message and mobile phone and fall rear trigger alarm function, these programs and parameter are stored in memory cell, if detect that the continuous zero-g time of mobile phone exceedes the very first time of regulation from transducer, the timely reminding user of trigger alarm module immediately incited somebody to action by mobile phone, after mobile phone falls and reports to the police, within second scheduled time mobile phone without any operation then automatically short-message sending to user preset number, the present invention is called by central processing unit and controls above-mentioned software module, realize the information that timely reminding user mobile phone falls or loses.
For making object of the present invention, technical scheme and advantage clearly, clearly, developing simultaneously referring to accompanying drawing, the present invention is described in more detail for embodiment.
Fig. 1 is mobile phone theory diagram of the present invention, this mobile phone comprises acceleration transducer 10, central processing unit 20 and memory module 30, acceleration transducer 10 is connected with central processing unit 20 by I2C bus, be built in mobile phone, the status signal of collection for gathering mobile phone state signal, and is sent in central processing unit 20 by acceleration transducer 10, judge whether mobile phone is in state of weightlessness by central processing unit 20, whether the time of continuous weightlessness is more than first scheduled time, and control whether trigger alarm module according to judged result, and judge that mobile phone is without any operation within second scheduled time, automatic transmission information is lost to user preset number notifying user mobile phone, it is by adding corresponding software function module on existing cell phone software that central processing unit 20 calls with control command, as shown in Figure 2, central processing unit 20 comprises and arranges module 31, fall detection module 32 and alarm module 33, the instruction action of these software function modules and parameter are stored in memory module 30, after mobile phone falls, central processing unit 20 trigger alarm, or send SMS message in the mobile phone of user preset.The window of input information to be wherein provided to user by arranging module 31, when user selects to open of the present invention in a menu, will to jump out window and inputting relevant information to point out user, the short message that user can input user preset number and be correlated with; Whether fall detection module 32 for the continuous zero-g time of detection of handset more than first scheduled time, judge whether mobile phone falls; The installation warrants of this time parameter calculates mobile phone time t weightless continuously by acceleration of gravity formula, central processing unit is every the 3rd scheduled time such as 50 milliseconds of reading acceleration transducer 10 D coordinates value, if the acceleration transducer D coordinates value that pre-determined number reads for such as 9 times continuously is all similar to as (0,0,0), (this first scheduled time is relevant with mobile phone height more than first scheduled time to judge the continuous zero-g time of mobile phone, such as, when being highly 1 meter, the present invention first scheduled time is 0.45 second), then mobile phone falls, trigger alarm functions of modules; Alarm module 33 falls for reminding user mobile phone and sends warning, and automatically sends SMS message to user preset number.Certainly the setting of the 3rd scheduled time and pre-determined number will exceed or at least equal for the first stipulated time, only in this way more adequately could judge whether mobile phone falls.
Fig. 3 be the user of the embodiment of the present invention call module 31 menu schematic diagram is set, first when user selects to open of the present invention in a menu, mobile phone window will jump out display inputting interface, and point out user to input relevant information, as shown in Fig. 3 a ~ Fig. 3 c, first user opens lost mobile phone warning function arranging in menu in fig. 3 a, user need edit the note that sends automatically when lost mobile phone in fig 3b, the cell-phone number receiving information can be that the relatives or friend etc. of user can relate to the people of owner in the short period, if user has more than two mobile phones, also the number of another mobile phone can be inputted, user (UI) interface in figure is only as illustrating that the interface that the present invention is arranged designed by module uses.
Fig. 4 is embodiment of the present invention mobile phone coordinate schematic diagram, and the present invention uses acceleration transducer 10, its design consideration acceleration of gravity principle, the time t that formula (1) can be utilized to calculate the continuous weightlessness of mobile phone fall,
H=1/2gt
2 (1)
Wherein, the height of H residing for mobile phone, g is acceleration of gravity, and t is the time that the continuous weightlessness of described mobile phone is fallen.
One of them embodiment of the present invention setting height H is 1 meter, g=9.80 meter per second
2, can need to design different height according to difference, not by the restriction of this inventive embodiments in certain practical application; 0.45 second is about according to the time t that described formula (1) just can calculate mobile phone weightless continuously.
The present invention utilizes acceleration transducer (g-sensor) 10 detection of handset whether to be in state of weightlessness, when the continuous weightlessness of mobile phone fall exceed according to above formulae discovery go out the continuously weightless time for (within 0.45 second, being wherein that object gets the value of 2 significant digits the height time done needed for the movement of falling object of 1 meter when 0.45 second, this time is first scheduled time that continuous weightlessness is fallen), judge that mobile phone falls; By falling detection module 32, the present invention judges whether mobile phone falls, the D coordinates value of central processing unit every 50 milliseconds of reading acceleration transducers is set in concrete enforcement, the g-sensor used in current mobile phone, when mobile phone is static, can have a size to be 1g(g=9.8m/s along gravity direction
2) acceleration of gravity, suppose that mobile phone coordinate is that the angle of x, y and z tri-axle positive directions and gravity direction divides α, β respectively, γ, then acceleration transducer (g-sensor) just exports on x, y and z coordinate is (g*cos α, g*cos β, g*cos γ), g is acceleration of gravity.
When the movement of falling object done by mobile phone, be in state of weightlessness, the acceleration of gravity of this 1g just disappears, now calculate g-sensor coordinate output valve in theory just for (0, 0, 0), therefore then think that mobile phone falls when mobile phone keeps state of weightlessness to reach 0.45 second, in concrete enforcement, because be the value reading a g-sensor coordinate output every 50 milliseconds, if be consecutively detected the value exported for 9 times to be (0, 0, 0) then think and detect that mobile phone falls, consider the error of acceleration transducer 10 output coordinate value, regulation in the present invention is set and detects that the condition that mobile phone falls is:
Central processing unit reads (x every 50 milliseconds from acceleration transducer (g-sensor), y, z) coordinate figure of axle, if continuous 9 times meet | x|<0.1g, | y|<0.1g, and | z|<0.1g, that is when continuous 9 times read D coordinates value all meet be similar to as (0,0,0) during requirement, then think and detect that mobile phone falls.
According to describing above, mobile phone drop signal characteristic parameter process step being set seeing shown in accompanying drawing 5 by falling detection module 32, specifically comprise the steps to describe:
S310, user lose warning function by arranging menu starting hand-set.
S311, arrange F=0, F is the number of times reading acceleration transducer, is a variable.
S312, unlatching time-out time are first scheduled time timer T1 of 50 milliseconds.
S313, judge that whether timer T1 is overtime, if yes then enter step S314, otherwise continue to wait for T1 time-out.
S314, central processing unit 20 read the value of three-dimensional coordinate (x, y, z) from acceleration transducer 10.
S315, judge whether the value of three-dimensional coordinate (x, y, z) meets | x|<0.1g, | y|<0.1g, | the condition of z|<0.1g, if yes then enter step S316, if otherwise enter step S311.
The value of S316, F adds 1, i.e. F=F+1.
S317, judge whether F equals 9, if yes then enter step S318, otherwise enter step S312.
S318, detect that mobile phone falls, trigger alarm module.
Fig. 6 is alarm module 33 method that the arranges control flow chart of the embodiment of the present invention, after detecting that mobile phone falls, perform following control: i.e. trigger alarm function immediately, mobile phone is just automatically opened loud speaker with max volume and is play alarm music reminding user and picks up mobile phone; If user did not pick up mobile phone in 10 seconds, then think that user mobile phone is lost, mobile phone arranges the number that pre-enters in module and the information of lost mobile phone sends with the form of short message by short message content according to user provided by the invention, allow the people of the information of receiving notify owner, make owner can know the situation of lost mobile phone as early as possible.
Alarm module 30 program circuit of the present invention specifically comprises the steps:
S321, detecting that mobile phone falls by falling detection module 20, triggering this module and opening.
S322, open mobile phone speaker with max volume and play alarm music.
S323, unlatching time-out time are the timer T2 of second scheduled time, and preferably, second scheduled time arranging timer T2 in the present embodiment is 10 seconds, and this second scheduled time is not limited to 10 seconds certainly, specifically can set according to the requirement of user.
The interface (as shown in Figure 7) that S324, display lost mobile phone are reported to the police, the interface in Fig. 7 only as use of the present invention is described, does not limit by this.
S325, judge whether user presses " determination " button in Fig. 7 interface, if yes then enter step S326, if otherwise enter step S328.
S326, timeing closing device T2.
S327, closedown alarm module.
S328, judge that whether timer T2 is overtime, namely whether more than second scheduled time, if yes then enter step S329, if otherwise enter step S325.
S329, transmission user preset short message are to assigned number.
The information such as arranged in configuration module and Subscriber Number, " hello, and this information is sent automatically by mobile phone, if you receive this information, illustrates that I loses by mobile phone, please tell me as early as possible, thanks for the information that pre-enters of user in figure 3 c." to 13888888888, certainly different short messages and telephone number can be set according to the hobby of user.
Fig. 8 is the flow chart of the preventing handset from losing of the embodiment of the present invention, and its concrete steps comprise as follows:
S100, open described mobile phone alarm function, user preset number and short message are set;
S101, judge that whether the continuous weightless drop-out time of mobile phone is more than first scheduled time;
Detected in real time by acceleration transducer and gather mobile phone state, the status signal of collection being sent to the central processing unit 20 be connected with acceleration transducer 10; Wherein central processing unit is every the D coordinates value of 50 milliseconds of reading acceleration transducers, if the continuous acceleration transducer D coordinates value read for 9 times is all similar to as (0,0,0), mobile phone zero-g time is more than first scheduled time, then judge that mobile phone falls, and proceeds to step S103, otherwise proceed to step S102.
S102, mobile phone normally work.
S103, trigger alarm module, reminding user mobile phone falls;
After judging that mobile phone falls, control mobile phone alarm module 33 by central processing unit 20 and control mobile phone and open loud speaker with max volume and play alarm music.
Whether the mobile phone that S104, judgement are fallen is picked up within second scheduled time.
Namely according to arranging described by alarm module, judging to be " determination " button whether user presses mobile phone interface and provide enter step S106, otherwise to enter step S105.
S105, automatically send SMS message to user preset number.
S106, closedown are reported to the police, and terminate.
In sum, the present invention carrys out Real-time Collection mobile phone state signal by utilizing acceleration transducer, and the status signal of collection is sent to central processing unit; Judge whether the continuous weightless drop-out time of mobile phone exceedes the scheduled time, and control trigger alarm module according to judged result and transmission information is lost to user preset number notifying user mobile phone automatically, timely reminding user after mobile phone falls, utilizes the present invention greatly can reduce the probability that user loses mobile phone.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be contained within protection scope of the present invention by Bao Yue great.
Claims (4)
1. a method for preventing handset from losing, not remind and send note after mobile phone falls in time to user to the number preset to solve, the problem lost with prompting mobile telephone set, is characterized in that, described method comprises the steps:
A, open described mobile phone alarm function, user preset number and short message are set;
B, status signal by mobile phone described in acceleration transducer Real-time Collection, the described status signal gathered is sent to the central processing unit be connected with described acceleration transducer, judge that whether the continuous zero-g time of described mobile phone is more than first scheduled time by described central processing unit, if exceeded, judge that described mobile phone falls, proceed to step C, otherwise described mobile phone normally works;
C, trigger alarm module reminding user, and judge whether the described mobile phone fallen is picked up within second scheduled time, is, close and report to the police, otherwise, automatically send described short message to described user preset number;
In described step B, the continuous weightlessness of mobile phone is judged in the following way: described central processing unit reads the D coordinates value of described acceleration transducer every the 3rd scheduled time, if the described acceleration transducer D coordinates value that pre-determined number reads continuously is similar to (0,0,0), then be judged as that described mobile phone zero-g time exceedes described first scheduled time, the setting of described 3rd scheduled time and pre-determined number will exceed or at least equal for the first stipulated time, just can judge whether mobile phone falls;
Wherein, described step C specifically comprises the steps:
C1, control trigger alarm module by described central processing unit, open mobile phone speaker with max volume and play alarm music;
C2, unlatching time-out time are the timer T2 of described second scheduled time, the interface that the loss showing described mobile phone is reported to the police;
C3, judge whether user presses the confirming button at described interface, enters step C4 in this way, otherwise enter step C5;
C4, close described timer T2 and described alarm module;
C5, judge whether described timer T2 exceedes described second scheduled time, if exceed described second scheduled time, proceed to step C6, otherwise return step C3;
C6, the automatically described short message of transmission are to described user preset number.
2. the method for preventing handset from losing according to claim 1, is characterized in that, described first scheduled time calculates according to following formula (1):
H=1/2gt
2 (1)
Wherein, the height of H residing for described mobile phone, g is acceleration of gravity, and t is for judging first scheduled time that the continuous weightlessness of described mobile phone is fallen.
3. the method for preventing handset from losing according to claim 1, is characterized in that, described 3rd scheduled time is 50 milliseconds, and described pre-determined number is 9 times.
4. a mobile phone; comprise central processing unit and memory module; described memory module is connected with described central processing unit; not remind and send note after mobile phone falls in time to user to the number preset to solve; with the problem that prompting mobile telephone set has been lost; it is characterized in that; also comprise acceleration transducer; described acceleration transducer is connected with described central processing unit by I2C bus; be built in described mobile phone; the described status signal gathered for gathering the status signal of described mobile phone, and is sent to described central processing unit by described acceleration transducer; Described central processing unit is for judging that whether the continuous zero-g time of described mobile phone is more than first scheduled time, and control trigger alarm module according to judged result, and judge that mobile phone is without any operation within second scheduled time, automatically send SMS message to user preset number, specifically for controlling trigger alarm module by described central processing unit, opening mobile phone speaker with max volume and playing alarm music; Open the timer T2 that time-out time is described second scheduled time, the interface that the loss showing described mobile phone is reported to the police; Judge whether user presses the confirming button at described interface, in this way, then close described timer T2 and described alarm module, otherwise, judge whether described timer T2 exceedes described second scheduled time, if exceed described second scheduled time, then automatically send described short message to described user preset number, otherwise continue to judge whether user presses the confirming button at described interface;
Described central processing unit is also for reading the D coordinates value of described acceleration transducer every the 3rd scheduled time, if the described acceleration transducer D coordinates value that pre-determined number reads continuously is similar to (0,0,0), then be judged as that described mobile phone zero-g time exceedes described first scheduled time, the setting of described 3rd scheduled time and pre-determined number will exceed or at least equal for the first stipulated time, just can judge whether mobile phone falls;
Described central processing unit also comprises and arranges module, fall detection module and alarm module, the described module that arranges inputs user preset number and information for pointing out user, whether the described detection module that falls falls for detecting described mobile phone, described alarm module is used for mobile phone described in reminding user and falls and send warning, and automatically sends described short message to described user preset number.
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| CN201110354803.3A CN102413442B (en) | 2011-11-10 | 2011-11-10 | Method for preventing loss of mobile phone and mobile phone |
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| CN201110354803.3A CN102413442B (en) | 2011-11-10 | 2011-11-10 | Method for preventing loss of mobile phone and mobile phone |
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| CN102413442A (en) | 2012-04-11 |
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