CN102244699A - Method of using acceleration sensor to unlock mobile phone screen and mobile phone thereof - Google Patents
Method of using acceleration sensor to unlock mobile phone screen and mobile phone thereof Download PDFInfo
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- CN102244699A CN102244699A CN2011102166493A CN201110216649A CN102244699A CN 102244699 A CN102244699 A CN 102244699A CN 2011102166493 A CN2011102166493 A CN 2011102166493A CN 201110216649 A CN201110216649 A CN 201110216649A CN 102244699 A CN102244699 A CN 102244699A
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Abstract
The invention discloses a method of using an acceleration sensor to unlock a mobile phone screen and a mobile phone thereof. The method is characterized in that: a x value, a y value and a z value of a three dimensional coordinate can be read from the acceleration sensor at a every predetermined time by CPU; when an acceleration absolute value of one direction among the x, y, z three coordinate directions is greater than a predetermined value, an unlocking shaking is determined and the mobile phone screen is unlocked. The acceleration sensor is combined with a certain algorithm so that mobile phone shaking can be detected and unlocking can be realized. An unlocking function through shaking is added in the mobile phone. When the mobile phone is locked, a user can shake the mobile phone in any plane of three-dimensional planes so that the unlocking is realized. Usage is convenient and fast and the invention provides convenience for the user.
Description
Technical field
The present invention relates to the release field of portable terminal, in particular a kind of method and mobile phone with acceleration transducer release mobile phone screen.
Background technology
Along with the development of mobile communication and improving constantly of people's living standard, current complete touch mobile phone is more and more universal, smart mobile phone development such as special picture Android, IPhone are swift and violent, present these complete touch mobile phones on the market do not have the unlocking function of three-dimensional, innervation, its release only rests on two-dimensional plane operation, does some by finger on touch-screen and slides and realize.Sometimes the user need in emergency circumstances can bring inconvenience to the user more than once just finishing with pointing to slide on touch-screen for release.
Therefore, prior art has yet to be improved and developed.
Summary of the invention
The technical problem to be solved in the present invention is, above-mentioned defective at prior art, a kind of method and mobile phone with acceleration transducer release mobile phone screen is provided, after can being implemented in the mobile phone screen locking, the user uses mobile phone at wherein arbitrary whipping of three-dimensional planar once, can realize release, convenient and swift.
The technical scheme that technical solution problem of the present invention is adopted is as follows:
A kind of method with acceleration transducer release mobile phone screen wherein, comprises step:
A, an acceleration transducer that is used to respond to mobile phone whipping direction is set on mobile phone, and this acceleration transducer is connected with the CPU of mobile phone;
B, degree of will speed up sensor sensing to acceleration be decomposed into three-dimensional coordinate x, y, three coordinate directions of z, and be provided with when acceleration transducer and sense x, y, in three coordinate directions of z wherein a directional acceleration absolute value is greater than a predetermined value time be a whipping;
C, the whipping detection of opening acceleration transducer, CPU passes device every a scheduled time from acceleration and reads three-dimensional coordinate x, y, z value one time; As the x that N continuous time all reads, y, in three coordinate directions of z wherein a directional acceleration absolute value is greater than described predetermined value the time, then be judged as a release whipping and control the release mobile phone screen, wherein, described N is a natural number.
Described method with acceleration transducer release mobile phone screen, wherein, described steps A also comprises: the CPU of mobile phone is connected with acceleration transducer by the I2C bus.
Described method with acceleration transducer release mobile phone screen, wherein, the acceleration transducer of working as among the described step B is sensed x, y, in three coordinate directions of z wherein a directional acceleration absolute value is greater than a predetermined value time be that a whipping is specially and comprises: when acceleration transducer is sensed x, y, in three coordinate directions of z wherein a directional acceleration absolute value is greater than 1.3g the time be a whipping.
Described method with acceleration transducer release mobile phone screen, wherein, the scheduled time among the described step C is 20ms.
Described method with acceleration transducer release mobile phone screen, wherein, N time among the described step C is 5 times.
Described method with acceleration transducer release mobile phone screen, wherein, described step C specifically comprises: CPU passes device every 20ms from acceleration and reads three-dimensional coordinate x one time, y, the z value, all satisfy when continuous 5 times | x| 1.3g or | y|〉1.3g or | z|〉1.3g, then be judged as a release whipping and control the release mobile phone screen.
A kind of mobile phone wherein, comprising: be arranged on the CPU on this mobile phone, and be used to respond to the acceleration transducer of mobile phone whipping direction, described acceleration transducer is connected with the CPU of mobile phone;
Described CPU comprises:
Module is set, be used to degree of will speed up sensor sensing to acceleration be decomposed into three-dimensional coordinate x, y, three coordinate directions of z, and be provided with when acceleration transducer and sense x, y, in three coordinate directions of z wherein a directional acceleration absolute value is greater than a predetermined value time be a whipping;
Separate lock module, be used for every a scheduled time, CPU passes device from acceleration and reads three-dimensional coordinate x, y, z value one time; As the x that N continuous time all reads, y, in three coordinate directions of z wherein a directional acceleration absolute value is greater than described predetermined value the time, then be judged as a release whipping and control the release mobile phone screen, wherein, described N is a natural number.
Described mobile phone wherein, is connected by the I2C bus CPU of mobile phone with acceleration transducer.
Described mobile phone, wherein, described predetermined value is 1.3g.
Described mobile phone, wherein, the described scheduled time is 20ms, described N time is 5 times.
Method and mobile phone with acceleration transducer release mobile phone screen provided by the present invention read three-dimensional coordinate x, y, z value one time owing to adopt CPU to pass device every a scheduled time from acceleration; As the x that all reads for continuous 5 times, y, in three coordinate directions of z wherein a directional acceleration absolute value is greater than described predetermined value the time, then be judged as a release whipping and control the release mobile phone screen.Realize release by acceleration transducer in conjunction with certain algorithm detection of handset whipping, mobile phone has been increased by the whipping unlocking function, after can being implemented in the mobile phone screen locking, the user uses mobile phone at wherein arbitrary whipping of three-dimensional planar once, can realize release, convenient and swift, provide users with the convenient.
Description of drawings
Fig. 1 is the method flow diagram with acceleration transducer release mobile phone screen of the embodiment of the invention.
Fig. 2 is the cell-phone function schematic diagram of the embodiment of the invention;
Fig. 3 is the mobile phone whipping structural representation of the embodiment of the invention.
Fig. 4 is the coordinate system structural representation that the method acceleration of the embodiment of the invention decomposes.
Fig. 5 is the method concrete Application Example structural representation of the present invention with acceleration transducer release mobile phone screen.
Fig. 6 a, 6b, 6c are the mobile phone releasing process structural representations of the present invention's one concrete Application Example.
Fig. 7 is the CPU built-in function schematic diagram of embodiment of the invention mobile phone.
Embodiment
A kind of method and mobile phone provided by the present invention with acceleration transducer release mobile phone screen, clearer, clear and definite for making purpose of the present invention, technical scheme and advantage, below develop simultaneously with reference to accompanying drawing that the present invention is described in more detail for embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
A kind of method with acceleration transducer release mobile phone screen that the embodiment of the invention provides as shown in Figure 1, mainly may further comprise the steps:
Step S100, an acceleration transducer that is used to respond to mobile phone whipping direction is set on mobile phone, and this acceleration transducer is connected with the CPU of mobile phone; As shown in Figure 2, can adopt CPU 420 to be connected with acceleration transducer 410 by I2C bus 401 with mobile phone 400.
In the present embodiment, realize release by acceleration transducer in conjunction with certain detection method detection of handset whipping, to the definition of whipping as shown in Figure 3, wherein the way of holding something of mobile phone 400 can be any herein.
Step S200, degree of will speed up sensor sensing to acceleration be decomposed into three-dimensional coordinate x, y, three coordinate directions of z, and be provided with when acceleration transducer and sense x, y, in three coordinate directions of z wherein a directional acceleration absolute value is greater than a predetermined value time be a whipping.
In the present embodiment, acceleration transducer can perceive the variation of acceleration, and acceleration is a vector, it can be decomposed into x among the present invention, y, and the coordinate system of three coordinate directions of z, as shown in Figure 4.That acceleration transducer obtains is x shown in Fig. 4, y, and the component of three directional accelerations of z, be defined as in the present embodiment (x, y, z).Can detect the whipping of user in conjunction with method of the present invention again to mobile phone.
In the present embodiment, be provided with when acceleration transducer and sense x, y, in three coordinate directions of z wherein a directional acceleration absolute value is greater than 1.3g the time be a whipping.Promptly work as x, y, the absolute value of a certain directional acceleration of z is greater than 1.3g(g=9.8m/s2) be a whipping.Do you why get 1.3g? because too smallly cause misoperation easily, the excessive release relatively effort that seems that then can make.In concrete the application, need to remake correction in conjunction with actual effect, and need get many class values in a period of time and on average prevent sensor error, therefore in the embodiment of the invention to the definition of a whipping: read once (x every 20ms, y, z), all satisfy for continuous 5 times | x| 1.3g or | y|〉1.3g or | z|〉1.3g.Because only need detect the user, do not relate to accurate detection, so said method can meet the demands at the whipping mobile phone.
Step S300, the whipping detection of opening acceleration transducer, CPU passes device every a scheduled time from acceleration and reads three-dimensional coordinate x, y, z value one time; As the x that N continuous time all reads, y, in three coordinate directions of z wherein a directional acceleration absolute value is greater than described predetermined value the time, then be judged as a release whipping and control the release mobile phone screen, wherein, described N is a natural number.
The embodiment of the invention, it is 20ms that the present invention is provided with a described scheduled time, described N time is 5 times, like this, in specific embodiment, CPU passes device every 20ms from acceleration and reads three-dimensional coordinate x one time, y, the z value, all satisfy when continuous 5 times | x|〉1.3g or | y|〉1.3g or | z|〉1.3g, then be judged as a release whipping and control the release mobile phone screen.As shown in Figure 2, CPU 420 is connected with acceleration transducer 410 by I2C bus 401, CPU 420 passes device 410 by I2C bus 401 from acceleration every 20ms and reads once (x when starting the whipping detection, y, z), all satisfy for continuous 5 times | x| 1.3g or | y|〉1.3g or | z|〉during 1.3g, then be judged as a release whipping and control the release mobile phone screen.
Below will do further detailed description to the present invention with the method for acceleration transducer release mobile phone screen by a concrete Application Example:
As shown in Figure 5, for the releasing process of the reality of the present invention's one specific embodiment, only for reference.
501, when mobile phone is in standby mode, at first pushes button and light screen triggering unlocking program such as Fig. 6 a by the user; The user that is operating as of Fig. 6 a pushes button and lights the screen schematic diagram.
502, screen display statement prompt user release is depicted as at mobile phone screen prompting user release schematic diagram as Fig. 6 b, can be by prompting " rock and make beer ejection-release ".
503, when the user carries out whipping according to screen prompt, beginning whipping for the first time detects.
Does 504, basis judge whether to detect whipping for the first time to the definition of a whipping in the present embodiment? if otherwise returned 503, if would enter 505.
If 505 detect whipping for the first time, 500ms and enter step 506, open the timer T1 of a 1s and enter step 507 then delays time.
507, beginning whipping detection for the second time.
508, judge whether to detect whipping for the second time, if otherwise return step 507, if then enter step 509.
509, do you judge whether timer T1 overtime when detecting for the second time whipping? if otherwise enter step 510.If then return step 505, if timer T1 is overtime when promptly detecting for the second time whipping, then with this testing result as the whipping first time, the timer T1 that delays time 500ms again and open a 1s again begins for the second time that whipping detects
If 510 detect for the second time whipping then the release success in ensuing 1s.For when unlocking program detects whipping twice, wine sprays as Fig. 6 c, the release success.
If there be not fail release then screen of operation of button or touch screen and user to knock out in 30s, mobile phone enters standby mode.
Therefore, the method with acceleration transducer release mobile phone screen of the embodiment of the invention, can be implemented in the mobile phone screen locking after, the user uses mobile phone at wherein arbitrary whipping of three-dimensional planar once, can realize release, and is convenient and swift.
Based on the foregoing description, the embodiment of the invention also provides a kind of mobile phone, as shown in Figure 2, comprising: be arranged on the CPU 420 on this mobile phone 400, and being used to respond to the acceleration transducer 410 of mobile phone whipping direction, described acceleration transducer 410 is connected with the CPU 420 of mobile phone.
Wherein, as shown in Figure 7, described CPU 420 comprises:
Wherein, the CPU with mobile phone is connected with acceleration transducer by the I2C bus.Described predetermined value is 1.3g.The described scheduled time is 20ms, and described N time is 5 times.
In sum, method and mobile phone with acceleration transducer release mobile phone screen provided by the present invention read three-dimensional coordinate x, y, z value one time owing to adopt CPU to pass device every a scheduled time from acceleration; As the x that all reads for continuous 5 times, y, in three coordinate directions of z wherein a directional acceleration absolute value is greater than described predetermined value the time, then be judged as a release whipping and control the release mobile phone screen.Realize release by acceleration transducer in conjunction with certain algorithm detection of handset whipping, mobile phone has been increased by the whipping unlocking function, after can being implemented in the mobile phone screen locking, the user uses mobile phone at wherein arbitrary whipping of three-dimensional planar once, can realize release, convenient and swift, provide users with the convenient.
Should be understood that application of the present invention is not limited to above-mentioned giving an example, for those of ordinary skills, can be improved according to the above description or conversion that all these improvement and conversion all should belong to the protection range of claims of the present invention.
Claims (10)
1. the method with acceleration transducer release mobile phone screen is characterized in that, comprises step:
A, an acceleration transducer that is used to respond to mobile phone whipping direction is set on mobile phone, and this acceleration transducer is connected with the CPU of mobile phone;
B, degree of will speed up sensor sensing to acceleration be decomposed into three-dimensional coordinate x, y, three coordinate directions of z, and be provided with when acceleration transducer and sense x, y, in three coordinate directions of z wherein a directional acceleration absolute value is greater than a predetermined value time be a whipping;
C, the whipping detection of opening acceleration transducer, CPU passes device every a scheduled time from acceleration and reads three-dimensional coordinate x, y, z value one time; As the x that N continuous time all reads, y, in three coordinate directions of z wherein a directional acceleration absolute value is greater than described predetermined value the time, then be judged as a release whipping and control the release mobile phone screen, wherein, described N is a natural number.
2. according to the described method of claim 1, it is characterized in that described steps A also comprises: the CPU of mobile phone is connected with acceleration transducer by the I2C bus with acceleration transducer release mobile phone screen.
3. according to the described method of claim 1 with acceleration transducer release mobile phone screen, it is characterized in that, the acceleration transducer of working as among the described step B is sensed x, y, in three coordinate directions of z wherein a directional acceleration absolute value is greater than a predetermined value time be that a whipping is specially and comprises: when acceleration transducer is sensed x, y, in three coordinate directions of z wherein a directional acceleration absolute value is greater than 1.3g the time be a whipping.
4. according to the described method of claim 1, it is characterized in that the scheduled time among the described step C is 20ms with acceleration transducer release mobile phone screen.
5. according to the described method of claim 4, it is characterized in that N time among the described step C is 5 times with acceleration transducer release mobile phone screen.
6. according to the described method of claim 5 with acceleration transducer release mobile phone screen, it is characterized in that, described step C specifically comprises: CPU passes device every 20ms from acceleration and reads three-dimensional coordinate x one time, y, the z value, all satisfy when continuous 5 times | x| 1.3g or | y|〉1.3g or | z|〉1.3g, then be judged as a release whipping and control the release mobile phone screen.
7. mobile phone, its feature exists, and comprising: be arranged on the CPU on this mobile phone, and be used to respond to the acceleration transducer of mobile phone whipping direction, described acceleration transducer is connected with the CPU of mobile phone;
Described CPU comprises:
Module is set, be used to degree of will speed up sensor sensing to acceleration be decomposed into three-dimensional coordinate x, y, three coordinate directions of z, and be provided with when acceleration transducer and sense x, y, in three coordinate directions of z wherein a directional acceleration absolute value is greater than a predetermined value time be a whipping;
Separate lock module, be used for every a scheduled time, CPU passes device from acceleration and reads three-dimensional coordinate x, y, z value one time; As the x that N continuous time all reads, y, in three coordinate directions of z wherein a directional acceleration absolute value is greater than described predetermined value the time, then be judged as a release whipping and control the release mobile phone screen, wherein, described N is a natural number.
8. mobile phone according to claim 7 is characterized in that, the CPU of mobile phone is connected with acceleration transducer by the I2C bus.
9. mobile phone according to claim 7 is characterized in that, described predetermined value is 1.3g.
10. mobile phone according to claim 7 is characterized in that, the described scheduled time is 20ms, and described N time is 5 times.
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| CN2011102166493A CN102244699A (en) | 2011-07-29 | 2011-07-29 | Method of using acceleration sensor to unlock mobile phone screen and mobile phone thereof |
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| CN2011102166493A CN102244699A (en) | 2011-07-29 | 2011-07-29 | Method of using acceleration sensor to unlock mobile phone screen and mobile phone thereof |
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