CN106500751A - The calibration steps and mobile terminal of proximity transducer - Google Patents
The calibration steps and mobile terminal of proximity transducer Download PDFInfo
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- CN106500751A CN106500751A CN201610916696.1A CN201610916696A CN106500751A CN 106500751 A CN106500751 A CN 106500751A CN 201610916696 A CN201610916696 A CN 201610916696A CN 106500751 A CN106500751 A CN 106500751A
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- Prior art keywords
- deviation
- proximity transducer
- mobile terminal
- proximity
- calibration
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D18/00—Testing or calibrating apparatus or arrangements provided for in groups G01D1/00 - G01D15/00
Abstract
The present invention is applied to communication technical field, there is provided a kind of calibration steps of proximity transducer and mobile terminal, the calibration steps include：When mobile terminal starts, the deviation of proximity transducer is calibrated；The output valve of proximity transducer after deviation value calibration is complete, if mobile terminal is in away from state, is obtained, and the proximity values of the proximity transducer are calculated according to the output valve and the deviation.The present invention solves the problems, such as that the proximity values of proximity transducer occur larger skew, even if being wiped free of in the deviation of proximity transducer, the proximity values of a relatively standard value can be still obtained, the accuracy in detection of the proximity state of mobile terminal is effectively improved.
Description
Technical field
The invention belongs to communication technical field, more particularly to a kind of calibration steps of proximity transducer and mobile terminal.
Background technology
Prior art before sensor is allowed access to, need the output valve of proximity transducer when being started according to mobile terminal come
Proximity values are calculated, and proximity transducer is then initialized according to the proximity values is close to threshold value and away from threshold value.Wherein, it is close to
It is worth the difference of the output valve for proximity transducer and default deviation, to ensure that the proximity values are floated downward in default standard value
Dynamic.However, when user carries out the such as operation such as brush machine to mobile terminal, the deviation can be disposed of in the lump, so that
Obtain the proximity values, relative to standard value, larger skew occur, reduce the accuracy in detection of the proximity state of mobile terminal,
It is easily caused mobile terminal and is constantly in proximity state, it is impossible to is effectively realized anti-error triggering or closes the functions such as fingerprint.
Therefore, it is necessary to a kind of new technical scheme is proposed, to solve above-mentioned technical problem.
Content of the invention
In consideration of it, a kind of calibration steps of proximity transducer and mobile terminal is embodiments provided, existing to solve
When having technology large deviations value to be eliminated there is the problem of larger skew in the proximity values of proximity transducer, improve being close to for mobile terminal
The accuracy in detection of state.
First aspect, there is provided a kind of calibration steps of proximity transducer, the calibration steps include：
When mobile terminal starts, the deviation of proximity transducer is calibrated；
After deviation value calibration is complete, the output valve of proximity transducer if the mobile terminal is in away from state, is obtained,
And the proximity values of the proximity transducer are calculated according to the output valve and the deviation.
Further, the deviation of the calibration proximity transducer includes：
If the mobile terminal is in away from state, several of proximity transducer are obtained according to default time interval
Output valve；
The minima in the output valve is chosen, the difference between the minima and default standard value is calculated；
By in the Difference Storage to specified memory area, to update the deviation of the proximity transducer.
Further, before the deviation of calibration proximity transducer, the calibration steps also includes：
Read the data in the memory area that specifies；
When the data for being read are 0, judge whether the deviation being stored in the memory area that specifies loses；
The deviation of the calibration proximity transducer includes：
When the deviation being stored in the memory area that specifies is lost, the deviation is calibrated.
Further, described when the data for being read are 0, judge the deviation being stored in the memory area that specifies
Value whether lost including：
When the data for being read are 0, proximity values of the proximity transducer under away from state are obtained；
Judge that the proximity values, whether more than default standard value, if so, then confirm to be stored in the memory block that specifies
Deviation in domain is lost.
Second aspect, there is provided a kind of mobile terminal, the mobile terminal include：
Calibration module, for when mobile terminal starts, calibrating the deviation of proximity transducer；
Computing module, for after deviation value calibration is complete, if the mobile terminal is in away from state, obtains and is close to biography
The output valve of sensor, and the proximity values of the proximity transducer are calculated according to the output valve and the deviation.
Further, the calibration module includes：
First acquisition unit, if be in away from state for the mobile terminal, obtains according to default time interval
Several output valves of proximity transducer；
Computing unit, for choosing the minima in the output valve, calculate the minima and default standard value it
Between difference；
Memory element, for by the Difference Storage to specified memory area, to update the proximity transducer
Deviation.
Further, the mobile terminal also includes：
Read module, for reading the data in the memory area that specifies；
Judge module, for when the data for being read are 0, judging the deviation being stored in the memory area that specifies
Whether value loses；
The calibration module is additionally operable to：When the deviation being stored in the memory area that specifies is lost, to institute
State deviation to be calibrated.
Further, the judge module includes：
Second acquisition unit, for when the data for being read are 0, obtaining proximity transducer being close under away from state
Value；
Judging unit, for judging the proximity values whether more than default standard value, if so, then confirms described specifying
Deviation in memory area is lost.
The third aspect, there is provided a kind of mobile terminal, the mobile terminal include processor；
The processor, for when mobile terminal starts, calibrating the deviation of proximity transducer；Complete in deviation value calibration
Afterwards, if the mobile terminal be in away from state, obtain proximity transducer output valve, and according to the output valve with described
Deviation calculates the proximity values of the proximity transducer.
Compared with prior art, the embodiment of the present invention increased the deviation to proximity transducer when mobile terminal starts
The calibration operation of value；After deviation value calibration is complete, the output of proximity transducer if mobile terminal is in away from state, is obtained
Value, and the proximity values of proximity transducer are calculated according to the output valve and the deviation；So as to avoid proximity transducer
There is the problem of larger skew in proximity values, even if the deviation in proximity transducer is wiped free of, can still obtain a ratio
The proximity values of standard value are closer to, the accuracy in detection of the proximity state of mobile terminal is effectively improved.
Description of the drawings
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
Accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the flowchart of the calibration steps of the proximity transducer that first embodiment of the invention is provided；
Fig. 2 is the flowchart of the calibration steps of the proximity transducer that second embodiment of the invention is provided；
Fig. 3 is the flowchart of the calibration steps of the proximity transducer that third embodiment of the invention is provided；
Fig. 4 is the schematic block diagram of the mobile terminal that fourth embodiment of the invention is provided；
Fig. 5 is the schematic block diagram of the mobile terminal that fifth embodiment of the invention is provided；
Fig. 6 is the schematic block diagram of the mobile terminal that sixth embodiment of the invention is provided.
Specific embodiment
In order that the objects, technical solutions and advantages of the present invention become more apparent, below in conjunction with drawings and Examples, right
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only in order to explain the present invention, and
It is not used in the restriction present invention.
The embodiment of the present invention increased the calibration operation of the deviation to proximity transducer when mobile terminal starts；?
After deviation value calibration is complete, the output valve of proximity transducer if mobile terminal is in away from state, is obtained, and according to described defeated
Go out the proximity values that value and the deviation calculate proximity transducer；Proximity values so as to avoid proximity transducer occur larger inclined
The problem of shifting, even if the deviation in proximity transducer is wiped free of, can still obtain one relatively standard value connect
Close values, are effectively improved the accuracy in detection of the proximity state of mobile terminal.The embodiment of the present invention additionally provides corresponding shifting
Dynamic terminal, is described in detail individually below.
Fig. 1 shows that the calibration steps of the proximity transducer that first embodiment of the invention is provided realizes flow process.
In embodiments of the present invention, the calibration steps of the proximity transducer is applied to mobile terminal, the mobile terminal
Including but not limited to smart mobile phone, panel computer, learning machine etc..Proximity transducer is provided with the mobile terminal.
Fig. 1 is referred to, the calibration steps of the proximity transducer includes：
In step S101, when mobile terminal starts, the deviation of proximity transducer is calibrated.
In embodiments of the present invention, the deviation is the minimal float of the output valve relative to standard value of proximity transducer
Amplitude, for calibrating to the output valve of proximity transducer, to obtain the proximity values of relatively default standard value.At this
In, the standard value refers to the optimum proximity values determined according to the performance of proximity transducer.Due to the use in proximity transducer
During can be affected by factors such as greasy dirts, after dispatching from the factory, the output valve of proximity transducer can become big to mobile terminal.Therefore
Need the output valve that proximity transducer is corrected by the deviation.The deviation of existing proximity transducer is fixed.
For the output valve for becoming larger, fixed deviation cannot be returned to the output valve of proximity transducer near standard value.Mirror
In this, the embodiment of the present invention is calibrated to the deviation of proximity transducer first when mobile terminal starts, so that described
The deviation of proximity transducer is corresponding with the float conditions of the current output valve of proximity transducer.
On the other hand, after user carries out brush machine to mobile terminal, the deviation stored on mobile terminal may be lost
Lose, now, also the output valve of proximity transducer cannot be returned near standard value.In consideration of it, the embodiment of the present invention is being moved
Terminal start when first the deviation of proximity transducer is calibrated so that the deviation of the proximity transducer be close to
The float conditions of the current output valve of sensor are corresponding.
In step s 102, after deviation value calibration is complete, if the mobile terminal is in away from state, obtains and be close to biography
The output valve of sensor, and the proximity values of the proximity transducer are calculated according to the output valve and the deviation.
After deviation value calibration is complete, then based on calibration after deviation, according to the output valve of the proximity transducer calculate
Proximity values.Wherein, the proximity values are the difference of the output valve with the deviation of proximity transducer.Here, due to moving
Terminal is calibrated to the calibration value of proximity transducer when starting, and the deviation of the proximity transducer is worked as with proximity transducer
The float conditions of front output valve are corresponding, the problem that larger skew occurs so as to avoid the proximity values, even if by close sensing
The deviation of device is wiped out, and can still be obtained the proximity values of a relatively standard value, is effectively improved mobile terminal
Proximity state accuracy in detection.
As another preferred exemplary of the present invention, can be existed by gathering proximity transducer when mobile terminal starts
The floating changing condition of proximity transducer output valve is obtained away from several output valves under state.Fig. 2 shows the present invention
The calibration steps of the proximity transducer that second embodiment is provided realizes flow process.
Fig. 2 is referred to, the calibration steps of the proximity transducer includes：
In step s 201, when mobile terminal starts, if the mobile terminal is in away from state, according to default when
Between interval acquiring proximity transducer several output valves.
In embodiments of the present invention, when mobile terminal starts, if mobile terminal is in away from state, according to default
Time interval obtains the output valve of proximity transducer.Exemplarily, the prefixed time interval can be 1 millisecond etc..
In step S202, choose the minima in the output valve, calculate the minima and default standard value it
Between difference.
In step S203, by the Difference Storage to specified memory area, to update the proximity transducer
Deviation.
Here, the embodiment of the present invention compares the output valve after several output valves are got, two-by-two, chooses wherein
Minima.Exemplarily, when the standard value of proximity transducer is 200, if the output valve bag of acquired proximity transducer
When including 250,255,275,258,270, selection minima therein, i.e., 255,200 are deducted by 250, so as to obtain difference 50.Institute
Difference 50 is stated as the deviation of the proximity transducer, in storing to specified memory area.Here, described specify deposit
Storage area domain includes but is not limited to calibration register or calibration parameter region (NV regions).
In step S204, after deviation value calibration is complete, if the mobile terminal is in away from state, obtains and be close to biography
The output valve of sensor, and the proximity values of the proximity transducer are calculated according to the output valve and the deviation.
After deviation value calibration is complete, then based on calibration after deviation, according to the output valve of the proximity transducer calculate
Proximity values.Here, due to being calibrated to the calibration value of proximity transducer when mobile terminal starts, the close sensing
The deviation of device is corresponding with the float conditions of the current output valve of proximity transducer, even if carry out brush machine in user to mobile terminal leading
Deflection difference is wiped free of, it is also possible to retrieve new deviation, still can be returned to the output valve of proximity transducer
Near standard value；There is the problem of larger skew so as to avoid the proximity values, be effectively improved being close to for mobile terminal
The accuracy in detection of state.
Further, as the present invention another preferred exemplary, with can only for deviation lose situation to inclined
Difference is calibrated.Now, first determine whether when mobile terminal starts whether deviation loses, if lose, then to described inclined
Difference is calibrated.Fig. 3 shows that the calibration steps of the proximity transducer that third embodiment of the invention is provided realizes flow process.Ginseng
Fig. 3 is read, the calibration steps of the proximity transducer includes：
In step S301, when mobile terminal starts, the data in the memory area that specifies are read.
In step s 302, when the data for being read are 0, judge whether the deviation in the memory area that specifies loses
Lose.
Here, when the data for being read are 0, it may be possible to which deviation sheet is as 0, it is also possible to which deviation is lost and led
It is 0 to cause the data in the memory area that specifies.When data of the embodiment of the present invention in specified memory area are 0, root
Whether determine more than standard value whether the deviation in the memory area that specifies loses according to acquired proximity values.
Step S302 is specifically included：
Obtain proximity values of the proximity transducer under away from state；
Judge the proximity values whether more than default standard value；
If the proximity values are more than default standard value, confirm that the deviation in the memory area that specifies is lost
Lose.
Wherein, when deviation is 0, without the need for calibration, the output valve of proximity transducer is equal to the output valve of proximity transducer
Proximity values, the proximity values should be less than default standard value.In consideration of it, the embodiment of the present invention is by comparing proximity values and presetting
Standard value.If the proximity values are less than or equal to default standard value, confirmation bias value is 0, direct execution step S307；
Otherwise, if more than default standard value, the proximity values can confirm that the deviation in the memory area that specifies is lost.
In step S303, when the deviation in the memory area that specifies is lost, the deviation is carried out
Calibration.
In step s 304, if the mobile terminal is in away from state, obtain according to default time interval and be close to
Several output valves of sensor.
In step S305, choose the minima in the output valve, calculate the minima and default standard value it
Between difference.
In step S306, by the Difference Storage to specified memory area, to update the proximity transducer
Deviation.
In step S307, the output valve of proximity transducer, and root if the mobile terminal is in away from state, are obtained
According to the proximity values that the output valve and the deviation calculate the proximity transducer.
In embodiments of the present invention, when deviation is lost, deviation is calibrated so that the proximity transducer
Deviation is corresponding with the float conditions of the current output valve of proximity transducer.After deviation value calibration is complete, based on calibration after deviation
Value, the output valve according to the proximity transducer can still obtain the proximity values of relatively standard value.Even if user is to moving
Dynamic terminal carries out brush machine causes deviation to be wiped free of, it is also possible to retrieve new deviation, still can be by proximity transducer
Output valve be returned near standard value；There is the problem of larger skew so as to avoid the proximity values, be effectively improved
The accuracy in detection of the proximity state of mobile terminal.
It should be understood that in the above-described embodiments, the size of the sequence number of each step is not meant to the priority of execution sequence, each step
Rapid execution sequence should be determined with its function and internal logic, and should not constitute any limit to the implementation process of the embodiment of the present invention
Fixed.
Fig. 4 shows the schematic block diagram of the mobile terminal that fourth embodiment of the invention is provided, and for convenience of description, only shows
The part related to the embodiment of the present invention is gone out.
In embodiments of the present invention, the mobile terminal is used for realizing connecing described in above-mentioned Fig. 1 to Fig. 3 any embodiments
The calibration steps of nearly sensor.The mobile terminal includes but is not limited to smart mobile phone, panel computer etc..Here, the shifting
Proximity transducer is provided with dynamic terminal.
Fig. 4 is referred to, the mobile terminal includes：
Deviation calibration module 41, for when mobile terminal starts, calibrating the deviation of proximity transducer；
Proximity values acquisition module 42, for, after deviation value calibration is complete, if the mobile terminal is in away from state, obtaining
The output valve of proximity transducer is taken, and the proximity values of the proximity transducer are calculated according to the output valve and the deviation.
Further, the deviation calibration module 41 includes：
Output valve acquiring unit 411, for when the mobile terminal is in away from state, according to default time interval
Obtain several output valves of proximity transducer；
Computing unit 412, for choosing the minima in the output valve, calculates the minima and default standard value
Between difference；
Memory element 413, for by the Difference Storage to specified memory area, to update the proximity transducer
Deviation.
Further, the mobile terminal also includes：
Read module 43, for reading the data in the memory area that specifies；
Judge module 44, for when the data for being read are 0, judgement is stored in inclined in the memory area that specifies
Whether difference loses；
The calibration module 41 is additionally operable to：When the deviation being stored in the memory area that specifies is lost, right
The deviation is calibrated.
Further, the judge module 44 includes：
Second acquisition unit 441, for when the data for being read are 0, acquisition proximity transducer is under away from state
Proximity values；
Judging unit 442, for judging that the proximity values, whether more than default standard value, if so, then confirm the finger
Deviation in fixed memory area is lost.
It should be noted that the mobile terminal in the embodiment of the present invention can be used for realizing complete in said method embodiment
Portion's technical scheme, the function of its each functional module can be implemented according to the method in said method embodiment, and which is concrete
The process of realization can refer to the associated description in examples detailed above, and here is omitted.
Referring to Fig. 5, it is the schematic block diagram of the mobile terminal that fifth embodiment of the invention is provided.The movement as depicted
Terminal can include：One or more processors 501 (only illustrating one in figure)；One or more input equipments 502 are (in figure only
Illustrate one), one or more outut devices 503 (only illustrating in figure), memorizer 504.Above-mentioned processor 501, input
Equipment 502, outut device 503, memorizer 504 are connected by bus 506.Memorizer 504 is used for store instruction, processor 501
For executing the instruction of the storage of memorizer 504.Wherein：
The processor 501, for when mobile terminal starts, calibrating the deviation of proximity transducer；In deviation school
Accurate complete after, if the mobile terminal is in away from state, obtain the output valve of proximity transducer, and according to the output valve with
The deviation calculates the proximity values of the proximity transducer.
The processor 501, is additionally operable to：
When the mobile terminal is in away from state, several of proximity transducer are obtained according to default time interval
Output valve；The minima in the output valve is chosen, the difference between the minima and default standard value is calculated；Will be described
Difference Storage into specified memory area, to update the deviation of the proximity transducer.
The processor 501, is additionally operable to：
Before the deviation of calibration proximity transducer, the data in the memory area that specifies are read；When the number for being read
According to for 0 when, judge whether the deviation that is stored in the memory area that specifies loses；When be stored in described specify deposit
When deviation in storage area domain is lost, the deviation is calibrated.
The processor 501, is additionally operable to：
When the data for being read are 0, proximity values of the proximity transducer under away from state are obtained；Judge the proximity values
Whether it is more than default standard value, if so, then confirms that the deviation being stored in the memory area that specifies is lost.
It should be appreciated that in embodiments of the present invention, alleged processor 501 can be CPU (Central
Processing Unit, CPU) and/or graphic process unit (Graphic Processing Unit, GPU), it is also possible in this base
Other general processors, digital signal processor (Digital Signal Processor, DSP), special integrated are combined on plinth
Circuit (Application Specific Integrated Circuit, ASIC), ready-made programmable gate array (Field-
Programmable Gate Array, FPGA) or other PLDs, discrete gate or transistor logic,
Discrete hardware components etc..
Input equipment 502 can include that Trackpad, fingerprint adopt sensor (for gathering the finger print information and fingerprint of user
Directional information), mike, communication module (such as Wi-Fi module, 2G/3G/4G mixed-media network modules mixed-medias), physical button etc..
Outut device 503 can include display (LCD etc.), speaker etc..Wherein, display can be used to show by user
The information of input is supplied to information of user etc..Display may include display floater, optionally, can adopt liquid crystal display
(Liquid Crystal Display, LCD), Organic Light Emitting Diode (Organic Light-Emitting Diode,
) etc. OLED form is configuring display floater.Further, above-mentioned touch screen can be covered over the display, when touch screen is detected
Thereon or after neighbouring touch operation, processor 501 is sent to determine the type of touch event, with preprocessor 501
Corresponding visual output is provided over the display according to the type of touch event.
In implementing, processor 501, input equipment 502, outut device 503 described in the embodiment of the present invention, deposit
Reservoir 504 can perform the realization side described in the embodiment of the calibration steps of proximity transducer provided in an embodiment of the present invention
Formula, will not be described here.
Fig. 6 is a kind of schematic block diagram of mobile terminal that sixth embodiment of the invention is provided, and the mobile terminal can use
Calibration steps in the proximity transducer for implementing to provide in above-described embodiment.
As shown in fig. 6, mobile terminal 1 200 can include RF (Radio Frequency, radio frequency) circuit 110, include
The memorizer 120 of one or more (only illustrating one in figure) computer-readable recording mediums, input block 130, display
Unit 140, sensor 150, voicefrequency circuit 160, transport module 170, include one or more than one (only illustrates one in figure
Individual) part such as the processor 180 of processing core and power supply 190.It will be understood by those skilled in the art that the shifting illustrated in Fig. 6
1200 structure of dynamic terminal does not constitute the restriction to mobile terminal 1 200, can include than illustrating more or less of part, or
Person combines some parts, or different part arrangements.Wherein：
RF circuits 110 be used for receive and send electromagnetic wave, realize the mutual conversion of electromagnetic wave and the signal of telecommunication, so as to lead to
News network or other equipment are communicated.RF circuits 110 may include the various existing circuit elements for executing these functions
Part, for example, antenna, RF transceiver, digital signal processor, encryption/deciphering chip, subscriber identity module (SIM) card, storage
Device etc..RF circuits 110 can be communicated with various networks such as the Internet, intranet, wireless network or by wireless
Network is communicated with other equipment.Above-mentioned wireless network may include cellular telephone networks, WLAN or Metropolitan Area Network (MAN).
Above-mentioned wireless network can use various communication standards, agreement and technology, including but not limited to global system for mobile communications
(Global System for Mobile Communication, GSM), enhancement mode mobile communication technology (Enhanced Data
GSM Environment, EDGE), Wideband CDMA Technology (wideband code division multiple
Access, W-CDMA), CDMA (Code division access, CDMA), tdma (time
Division multiple access, TDMA), adopting wireless fidelity technology (Wireless, Fidelity, WiFi) is (such as U.S.'s electricity
Gas and Electronic Engineering Association's standard IEEE 802.11a, IEEE 802.11b, IEEE802.11g and/or IEEE
802.11n), the networking telephone (Voice over internet protocal, VoIP), worldwide interoperability for microwave accesses
(Worldwide Interoperability for Microwave Access, Wi-Max), other be used for mail, IMU
News and the agreement of short message, and any other suitable communications protocol, or even may include that those are currently developed not yet
Agreement.
Memorizer 120 can be used to store software program and module, as the corresponding programmed instruction of method in above-mentioned embodiment/
Module, processor 180 are stored in software program and module in memorizer 120 by operation, should so as to execute various functions
With and data processing, that is, calibrate the deviation of proximity transducer, according to calibration after deviation calculate proximity transducer and connect
Close values.Memorizer 120 may include high speed random access memory, may also include nonvolatile memory, such as one or more magnetic
Storage device, flash memory or other non-volatile solid state memories.In some instances, memorizer 120 can further include phase
For the remotely located memorizer of processor 180, these remote memories can pass through network connection to mobile terminal 1 200.On
The example for stating network includes but is not limited to the Internet, intranet, LAN, mobile radio communication and combinations thereof.
Input block 130 can be used for the numeral of receives input or character information, and produce and user setup and function
The relevant keyboard of control, mouse, action bars, optics or trace ball signal input.Specifically, input block 130 may include to touch
Sensitive surfaces 131 and other input equipments 132.Touch sensitive surface 131, also referred to as touch display screen or Trackpad, can collect use
Family thereon or neighbouring touch operation (such as user is using any suitable objects such as finger, stylus or adnexa in touch-sensitive table
Operation on face 131 or near the Touch sensitive surface 131), and corresponding attachment means are driven according to formula set in advance.Optional
, Touch sensitive surface 131 may include two parts of touch detecting apparatus and touch controller.Wherein, touch detecting apparatus detection is used
The touch orientation at family, and the signal that touch operation brings is detected, transmit a signal to touch controller；Touch controller is from touch
Touch information is received in detection means, and is converted into contact coordinate, then give processor 180, and can receiving processor 180
The order sent simultaneously is executed.Furthermore, it is possible to adopt the polytypes such as resistance-type, condenser type, infrared ray and surface acoustic wave
Realize Touch sensitive surface 131.Except Touch sensitive surface 131, input block 130 can also include other input equipments 132.Specifically,
Other input equipments 132 can include but is not limited to physical keyboard, function key (such as volume control button, switch key etc.),
One or more in trace ball, mouse, action bars etc..
Display unit 140 can be used for display by the information of user input or be supplied to information and the mobile terminal of user
1200 various graphical user interface, these graphical user interface can be by figure, text, icon, video and its combination in any
To constitute.Display unit 140 may include display floater 141, optionally, can adopt LCD (Liquid Crystal
Display, liquid crystal display), the form such as OLED (Organic Light-Emitting Diode, Organic Light Emitting Diode) comes
Configuration display floater 141.Further, Touch sensitive surface 131 can cover display floater 141, when Touch sensitive surface 131 is detected at which
On or near touch operation after, send processor 180 to determine the type of touch event, with preprocessor 180 according to touch
The type for touching event provides corresponding visual output on display floater 141.Although in figure 6, Touch sensitive surface 131 and display surface
Plate 141 is the part independent as two realizing input and input function, but in some embodiments it is possible to by touch-sensitive table
Face 131 is integrated with display floater 141 and realization is input into and output function.
Mobile terminal 1 200 may also include at least one sensor 150, such as optical sensor, motion sensor and other
Sensor.Specifically, optical sensor may include ambient light sensor and proximity transducer, and wherein, ambient light sensor can basis
The light and shade of ambient light adjusting the brightness of display floater 141, proximity transducer can when mobile terminal 1 200 is moved in one's ear,
Close display floater 141 and/or backlight.Used as one kind of motion sensor, Gravity accelerometer can detect all directions
The size of upper (generally three axles) acceleration, can detect that size and the direction of gravity when static, can be used to detect angle of inclination,
And application (such as horizontal/vertical screen switching, dependent game, magnetometer pose calibrating), the Vibration identification correlation work(of identification mobile phone attitude
Energy (such as pedometer, percussion) etc.；The gyroscope that can also configure as mobile terminal 1 200, barometer, drimeter, thermometer,
The other sensors such as infrared ray sensor, will not be described here.
Voicefrequency circuit 160, speaker 161, the audio frequency that microphone 162 can be provided between user and mobile terminal 1 200 connect
Mouthful.The signal of telecommunication after the voice data for receiving conversion can be transferred to speaker 161, by speaker 161 by voicefrequency circuit 160
Be converted to acoustical signal output；On the other hand, the acoustical signal of collection is converted to the signal of telecommunication by microphone 162, by voicefrequency circuit
160 receive after be converted to voice data, then after voice data output processor 180 is processed, through RF circuits 110 being sent to ratio
Such as another terminal, or voice data is exported to memorizer 120 further to process.Voicefrequency circuit 160 is also possible that
Earphone jack, to provide the communication of peripheral hardware earphone and mobile terminal 1 200.
Mobile terminal 1 200 can help user to send and receive e-mail by transport module 170 (such as WiFi module), clear
Look at webpage and access streaming video etc., it has provided the user wireless broadband internet and has accessed.Although Fig. 6 shows transmission mould
Block 170, but it is understood that, which is simultaneously not belonging to must be configured into for mobile terminal 1 200, completely can as needed not
Omit in the scope of the essence for changing invention.
Processor 180 is the control centre of mobile terminal 1 200, using each of various interfaces and connection whole mobile phone
Individual part, is stored in software program and/or module in memorizer 120 by running or executing, and calls and be stored in storage
Data in device 120, execute the various functions and processing data of mobile terminal 1 200, so as to carry out integral monitoring to mobile phone.Can
Choosing, processor 180 may include one or more processing cores；Preferably, processor 180 can integrated application processor and modulation
Demodulation processor, wherein, application processor mainly processes operating system, user interface and application program etc., and modulation /demodulation is processed
Device mainly processes radio communication.It is understood that above-mentioned modem processor can not also be integrated in processor 180.
Mobile terminal 1 200 also includes the power supply 190 (such as battery) that powers to all parts, it is preferred that power supply can lead to
Cross power-supply management system logically contiguous with processor 180, so as to by power-supply management system realize management charge, electric discharge and
The functions such as power managed.Power supply 190 can also include one or more direct current or alternating current power supply, recharging system, electricity
The random component such as source failure detector circuit, power supply changeover device or inverter, power supply status indicator.
Although not shown, mobile terminal 1 200 can also include photographic head, bluetooth module etc., will not be described here.Specifically
In the present embodiment, the display unit of mobile terminal is touch-screen display, and mobile terminal also includes memorizer, and one
Or more than one program, one of them or more than one program storage in memorizer, and be configured to by one or
Person more than one computing device states one or more than one program bag containing for carrying out the instruction of following operation：
When mobile terminal starts, the deviation of proximity transducer is calibrated；
After deviation value calibration is complete, the output valve of proximity transducer if the mobile terminal is in away from state, is obtained,
And the proximity values of the proximity transducer are calculated according to the output valve and the deviation.
Assume above-mentioned for the first possible embodiment, then provide based on the first possible embodiment
Second possible embodiment in, in the memorizer of the mobile terminal, also comprising for executing the instruction of following operation：
The deviation of the calibration proximity transducer includes：
When the mobile terminal is in away from state, several of proximity transducer are obtained according to default time interval
Output valve；
The minima in the output valve is chosen, the difference between the minima and default standard value is calculated；
By in the Difference Storage to specified memory area, to update the deviation of the proximity transducer.
In the third the possible embodiment provided based on the first or second possible embodiment,
In the memorizer of the mobile terminal, also comprising the instruction for being used for executing following operation：
Before the deviation of calibration proximity transducer, the calibration steps also includes：
Read the data in the memory area that specifies；
When the data for being read are 0, judge whether the deviation being stored in the memory area that specifies loses；
The deviation of the calibration proximity transducer includes：
When the deviation being stored in the memory area that specifies is lost, the deviation is calibrated.
In the 4th kind of possible embodiment provided based on the third possible embodiment, the movement
In the memorizer of terminal, also comprising the instruction for being used for executing following operation：
Described when the data for being read are 0, whether judge to be stored in deviation in the memory area that specifies
Loss includes：
When the data for being read are 0, proximity values of the proximity transducer under away from state are obtained；
Judge that the proximity values, whether more than default standard value, if so, then confirm to be stored in the memory block that specifies
Deviation in domain is lost.
The embodiment of the present invention increased the calibration operation of the deviation to proximity transducer when mobile terminal starts；?
After deviation value calibration is complete, the output valve of proximity transducer if mobile terminal is in away from state, is obtained, and according to described defeated
Go out the proximity values that value and the deviation calculate proximity transducer；Proximity values so as to avoid proximity transducer occur larger inclined
The problem of shifting, even if the deviation in proximity transducer is wiped free of, can still obtain one relatively standard value connect
Close values, are effectively improved the accuracy in detection of the proximity state of mobile terminal.
Those of ordinary skill in the art are it is to be appreciated that the list of each example described with reference to the embodiments described herein
Unit and algorithm steps, being capable of being implemented in combination in electronic hardware or computer software and electronic hardware.These functions are actually
Executed with hardware or software mode, the application-specific and design constraint depending on technical scheme.Professional and technical personnel
Each specific application can be used different methods to realize described function, but this realization is it is not considered that exceed
The scope of the present invention.
Those skilled in the art can be understood that, for convenience and simplicity of description, the module of foregoing description
With the specific work process of unit, the corresponding process in preceding method embodiment is may be referred to, be will not be described here.
In several embodiments provided herein, it should be understood that disclosed method and mobile terminal, Ke Yitong
Cross other modes to realize.For example, embodiments described above is only that schematically, for example the module, unit are drawn
Point, only a kind of division of logic function can have other dividing mode when actually realizing, for example multiple units or component can
To combine or be desirably integrated into another system, or some features can be ignored, or not execute.Another, shown or beg for
By coupling each other or direct-coupling or communication connection can be INDIRECT COUPLING by some interfaces, module or unit
Or communication connection, can be electrical, mechanical or other forms.
The unit that illustrates as separating component can be or may not be physically separate, aobvious as unit
The part for showing can be or may not be physical location, you can be located at a place, or can also be distributed to multiple
On NE.Some or all of unit therein can be selected according to the actual needs to realize the mesh of this embodiment scheme
's.
In addition, each functional unit, module in each embodiment of the invention can be integrated in a processing unit,
Can be that unit, module are individually physically present, it is also possible to which two or more units, module are integrated in a unit
In.
If the function is realized using in the form of SFU software functional unit and as independent production marketing or when using, can be with
It is stored in a computer read/write memory medium.Such understanding is based on, technical scheme is substantially in other words
The part contributed by prior art or the part of the technical scheme can be embodied in the form of software product, the meter
Calculation machine software product is stored in a storage medium, is used including some instructions so that a computer equipment (can be individual
People's computer, server, or network equipment etc.) execute all or part of step of each embodiment methods described of the invention.
And aforesaid storage medium includes：USB flash disk, portable hard drive, read only memory (ROM, Read-Only Memory), random access memory are deposited
Reservoir (RAM, Random Access Memory), magnetic disc or CD etc. are various can be with the medium of store program codes.
The above, the only specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be contained
Cover within protection scope of the present invention.Therefore, protection scope of the present invention described should be defined by scope of the claims.
Claims (12)
1. a kind of calibration steps of proximity transducer, it is characterised in that the calibration steps includes：
When mobile terminal starts, the deviation of proximity transducer is calibrated；
After deviation value calibration is complete, the output valve of proximity transducer, and root if the mobile terminal is in away from state, are obtained
According to the proximity values that the output valve and the deviation calculate the proximity transducer.
2. the calibration steps of proximity transducer as claimed in claim 1, it is characterised in that the calibration proximity transducer inclined
Difference includes：
If the mobile terminal is in away from state, according to several outputs that default time interval obtains proximity transducer
Value；
The minima in the output valve is chosen, the difference between the minima and default standard value is calculated；
By in the Difference Storage to specified memory area, to update the deviation of the proximity transducer.
3. the calibration steps of proximity transducer as claimed in claim 1 or 2, it is characterised in that in calibration proximity transducer
Before deviation, the calibration steps also includes：
Read the data in the memory area that specifies；
When the data for being read are 0, judge whether the deviation being stored in the memory area that specifies loses；
The deviation of the calibration proximity transducer includes：
When the deviation being stored in the memory area that specifies is lost, the deviation is calibrated.
4. the calibration steps of proximity transducer as claimed in claim 3, it is characterised in that described work as read data for 0
When, judge the deviation that is stored in the memory area that specifies whether lost including：
When the data for being read are 0, proximity values of the proximity transducer under away from state are obtained；
Judge that the proximity values, whether more than default standard value, if so, then confirm to be stored in the memory area that specifies
Deviation lose.
5. a kind of mobile terminal, it is characterised in that the mobile terminal includes：
Calibration module, for when mobile terminal starts, calibrating the deviation of proximity transducer；
Computing module, for after deviation value calibration is complete, if the mobile terminal is in away from state, obtains proximity transducer
Output valve, and calculate the proximity values of the proximity transducer according to the output valve and the deviation.
6. mobile terminal as claimed in claim 5, it is characterised in that the calibration module includes：
First acquisition unit, if be in away from state for the mobile terminal, obtain according to default time interval and is close to
Several output valves of sensor；
Computing unit, for choosing the minima in the output valve, calculates between the minima and default standard value
Difference；
Memory element, for by the Difference Storage to specified memory area, to update the deviation of the proximity transducer
Value.
7. the mobile terminal as described in claim 5 or 6, it is characterised in that the mobile terminal also includes：
Read module, for reading the data in the memory area that specifies；
Judge module, for when the data for being read are 0, judging that the deviation being stored in the memory area that specifies is
No lose；
The calibration module is additionally operable to：When the deviation being stored in the memory area that specifies is lost, to described inclined
Difference is calibrated.
8. mobile terminal as claimed in claim 7, it is characterised in that the judge module includes：
Second acquisition unit, for when the data for being read are 0, obtaining proximity values of the proximity transducer under away from state；
Judging unit, for judging that the proximity values, whether more than default standard value, if so, then confirm the storage that specifies
Deviation in region is lost.
9. a kind of mobile terminal, it is characterised in that the mobile terminal includes processor；
The processor, for when mobile terminal starts, calibrating the deviation of proximity transducer；After deviation value calibration is complete,
If the mobile terminal is in away from state, the output valve of proximity transducer is obtained, and inclined with described according to the output valve
The proximity values of proximity transducer described in mathematic interpolation.
10. mobile terminal as claimed in claim 9, it is characterised in that the processor is additionally operable to：
If the mobile terminal is in away from state, according to several outputs that default time interval obtains proximity transducer
Value；The minima in the output valve is chosen, the difference between the minima and default standard value is calculated；By the difference
In storing to specified memory area, to update the deviation of the proximity transducer.
11. mobile terminals as described in claim 9 or 10, it is characterised in that the processor is additionally operable to：
Before the deviation of calibration proximity transducer, the data in the memory area that specifies are read；When the data for being read are 0
When, judge whether the deviation being stored in the memory area that specifies loses；When being stored in the memory block that specifies
When deviation in domain is lost, the deviation is calibrated.
12. mobile terminals as claimed in claim 11, it is characterised in that the processor is additionally operable to：
When the data for being read are 0, proximity values of the proximity transducer under away from state are obtained；Whether judge the proximity values
It is more than default standard value, if so, then confirms that the deviation being stored in the memory area that specifies is lost.
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| CN201610916696.1A CN106500751B (en) | 2016-10-20 | 2016-10-20 | The calibration method and mobile terminal of proximity sensor |
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| CN201610916696.1A CN106500751B (en) | 2016-10-20 | 2016-10-20 | The calibration method and mobile terminal of proximity sensor |
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| CN106500751B (en) | 2019-01-15 |
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