CN105022530B - The calibration method and system of proximity transducer - Google Patents
The calibration method and system of proximity transducer Download PDFInfo
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- CN105022530B CN105022530B CN201510472655.3A CN201510472655A CN105022530B CN 105022530 B CN105022530 B CN 105022530B CN 201510472655 A CN201510472655 A CN 201510472655A CN 105022530 B CN105022530 B CN 105022530B
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Abstract
The present invention relates to a kind of calibration method of proximity transducer and system, this method comprises the following steps：After calibration command is received, proximity transducer is calibrated according to the calibration data stored in terminal device；After the completion of calibration, the calibration data that is currently generated, and judge to calibrate whether the used time is more than threshold value；If so, the calibration data stored in the terminal device is then updated according to the calibration data being currently generated.The present invention judges that whether calibration data preserves according to the length of calibration used time, when the calibration used time of proximity transducer is longer, original calibration data is substituted with the calibration data being currently generated, realize the renewal of calibration data, the calibration data for being more suitable for terminal device use environment is provided for calibration next time, so as to shorten prover time next time, the response speed of proximity transducer is improved, so as to improve Consumer's Experience.
Description
Technical field
The present invention relates to equipment debugging technical field, more particularly to the calibration method and system of proximity transducer.
Background technology
For the terminal device for possessing touch-screen (such as capacitance touch screen mobile phone), it is easy to because of the touching of user
When causing maloperation, such as being made a phone call using mobile phone, it is easy to cause maloperation because of the touching of face.Therefore, in order to solve
Problems, occurs proximity transducer on section terminating equipment at present, when detecting object proximity terminal device, triggering is eventually
End equipment carries out corresponding protection act to avoid maloperation.Proximity transducer includes infrared transmitter and multiple infrared remote receivers,
The infrared light that infrared transmitter is launched is received after object reflects by infrared remote receiver, therefore by checking infrared remote receiver
Infrared intensity value variation tendency is it may determine that whether object is approaching.Exist due to the structure of terminal device and from chip
Various deviations when dispatching from the factory be present, these deviations can cause when no object is close proximity to sensor, each infrared receiver
The infrared intensity value of device is all different, so during the use of proximity transducer, the benchmark of each infrared remote receiver
Value is just different, is easily caused judgement error.Therefore when dispatching from the factory, can all there is the process of a calibration under engineering mode,
The purpose is to allow the infrared intensity value of each infrared remote receiver to be consistent.Current calibration process is also fairly simple, is exactly right
Each infrared remote receiver is calibrated respectively, subtracts deviation so that the infrared intensity value of each infrared remote receiver all, then will
Deviation preserves as calibration data.Calibration can be all performed when opening proximity transducer every time in terminal device, however,
Calibration can not accomplish in one move, it is necessary to which elapsed time goes to perform, and the calibration of proximity transducer at present is all based on work
The calibration data preserved under journey pattern, in fact, proximity transducer is often disturbed by environmental factors such as greasy dirts, if each
Secondary calibration is all based on the calibration data preserved under engineering mode, then prover time can be caused partially long, the shape of proximity transducer
Called time in state also elongated, the usage experience of user is deteriorated.
The content of the invention
Based on this, to solve problems of the prior art, the present invention provides a kind of calibration method of proximity transducer,
Judge that whether calibration data preserves according to the length of calibration used time, effective data are provided for calibration next time, so as to
Shorten prover time, improve Consumer's Experience.
To achieve the above object, the present invention adopts the following technical scheme that：
A kind of calibration method of proximity transducer, comprises the following steps：
After calibration command is received, proximity transducer is calibrated according to the calibration data stored in terminal device；
Wherein, the calibration data stored in the terminal device is the calibration data under engineering mode；
After the completion of calibration, the calibration data that is currently generated, and judge to calibrate whether the used time is more than threshold value；
If so, the calibration data stored in the terminal device is then updated according to the calibration data being currently generated.
And a kind of calibration system of proximity transducer, including：
Calibration module, for after calibration command is received, being passed according to the calibration data stored in terminal device to close
Sensor is calibrated；Wherein, the calibration data stored in the terminal device is the calibration data under engineering mode；
Generation module, for the calibration data after the completion of calibration, being currently generated；
Judge module, for judging to calibrate whether the used time is more than threshold value；
Update module, for when the calibration used time being more than threshold value, updating the terminal according to the calibration data being currently generated
The calibration data stored in equipment.
The present invention judges that whether calibration data preserves according to the length of calibration used time, when the calibration used time of proximity transducer
When longer, show not to be suitable for the current environment of terminal device by original calibration data that (for example terminal device touch screen surface has
Greasy dirt), the calibration data being currently generated now is preserved, substitutes original calibration data, is provided effectively for calibration next time
Data, so as to shorten prover time, improve the response speed of proximity transducer, and then improve Consumer's Experience.
Brief description of the drawings
Fig. 1 is the schematic flow sheet of the calibration method of the proximity transducer in the embodiment of the present invention；
Fig. 2 is another schematic flow sheet of the calibration method of the proximity transducer in the embodiment of the present invention；
Fig. 3 is the structural representation of the calibration system of the proximity transducer in the embodiment of the present invention.
Embodiment
Present disclosure is described in further detail with preferred embodiment below in conjunction with the accompanying drawings.
As shown in figure 1, the present embodiment provides a kind of calibration method of proximity transducer, comprise the following steps：
S10 carries out school after calibration command is received, according to the calibration data stored in terminal device to proximity transducer
It is accurate；
S20 is after the completion of calibration, the calibration data that is currently generated, and judges to calibrate whether the used time is more than threshold value；If
It is, then into S30；
S30 updates the calibration data stored in the terminal device according to the calibration data being currently generated.
Specifically, by taking mobile phone as an example, when user receives calls with mobile phone, using scenes such as blank screen gestures when, mobile phone is opened
Proximity transducer, first have to perform calibration, now, mobile phone generation calibration command, after proximity transducer receives the calibration command, read
The calibration data stored in mobile phone is taken, and is calibrated according to the calibration data.
Proximity transducer includes infrared transmitter and infrared remote receiver, and the infrared light that infrared transmitter is launched is anti-through object
Received after penetrating by infrared remote receiver, therefore by checking the infrared intensity value variation tendency of infrared remote receiver it may determine that object
Whether approaching.In one embodiment, calibration data includes the infrared intensity deviation of infrared remote receiver, in the shape that dispatches from the factory
Under state, the infrared intensity deviation of each infrared remote receiver stored in mobile phone is the deviation measured under engineering mode
Offset, but in view of the influence of various use environment factors, for example greasy dirt, dust are speckled with handset touch panel, therefore every
Still need to be calibrated during secondary use proximity transducer.Every time during calibration, the infrared remote receiver that is stored in mobile phone it is infrared strong
Deviation is further adjusted on the basis of degree deviation, finally the infrared intensity value of each infrared remote receiver is consistent.
If calibration finishes, the calibration data being just currently generated, as described above, the calibration data is also including each infrared
The deviation of receiver infrared intensity.After the completion of calibration, proximity transducer normal work, but the present invention is also creatively to calibration
Used time judged, wherein, the calibration used time, which refers to proximity transducer and performed, calibrates the consumed time, in a kind of embodiment
In, after calibration command is received, timer is opened, after the completion of calibration, the value of timer is read, according to the value of the timer
The calibration used time can be obtained.In another embodiment, it can also judge to calibrate the used time according to system clock.This hair
It is bright that for the calibration used time, one threshold value, such as 50 milliseconds are set, if the current calibration used time is more than threshold value, show original calibration
Data (calibration data stored in terminal device) have not been suitable for the current use environment of terminal device, for example terminal is set
Standby touch screen surface speckles with greasy dirt, dust, so that the overlong time of calibration is performed, if next time still in the original calibration number
Calibration is performed on the basis of, then for application proximity transducer realizes double-click bright screen, prevents the functions such as false triggering, bottom
The feedback speed of layer data is just slack-off, causes the responses such as bright screen also can be slack-off.Therefore, the present invention utilizes the calibration being currently generated
Data (data are applied to the current use environment of terminal device) substitute original calibration data, complete calibration data more
Newly.Execution is calibrated next time when, based on the calibration data after renewal, so as to shorten prover time, proximity transducer is improved
Response speed, further improve Consumer's Experience.
In another specific embodiment, if as shown in Fig. 2 after the calibration calibration data that finishes and be currently generated,
If the calibration used time is less than or equal to threshold value, the calibration data being currently generated is abandoned.Because if the calibration used time is less than threshold value, then
Illustrate that original calibration data (calibration data stored in terminal device) can meet wanting for proximity transducer response speed
Ask, suitable for the current use environment of terminal device, perform based on the calibration data original by this when calibrating next time, also can
Quickly complete.
In summary, the present invention judges that whether calibration data preserves according to the length of calibration used time, works as proximity transducer
The calibration used time it is longer when, original calibration data is substituted with the calibration data that is currently generated, the renewal of calibration data is realized, is
Calibration next time, which provides, is more suitable for the calibration data of terminal device use environment, during so as to shorten calibration next time
Between, the response speed of proximity transducer is improved, improves Consumer's Experience.
Accordingly, the present invention also provides a kind of calibration system of proximity transducer, with reference to a preferred embodiment pair
The calibration system of the proximity transducer illustrates.
As shown in figure 3, the calibration system of the proximity transducer in the present embodiment includes：
Calibration module 1, for after calibration command is received, being passed according to the calibration data stored in terminal device to close
Sensor is calibrated；
Generation module 2, for the calibration data after the completion of calibration, being currently generated；
Judge module 3, for judging to calibrate whether the used time is more than threshold value；
Update module 4, for when the calibration used time being more than threshold value, updating the terminal according to the calibration data being currently generated
The calibration data stored in equipment.
In a kind of embodiment, the calibration data stored in terminal device and the calibration data being currently generated are equal
Include the infrared intensity deviation of each infrared remote receiver in proximity transducer.Under factory state, what is stored in terminal device is each
The infrared intensity deviation of individual infrared remote receiver is the deviation offset measured under engineering mode, but uses ring in view of various
Greasy dirt, dust are speckled with the influence of border factor, such as terminal device touch-screen, therefore is still needed to when using proximity transducer every time
To be calibrated by calibration module 1.Every time during calibration, calibration module 1 is all in the infrared intensity of the infrared remote receiver stored
Deviation is further adjusted on the basis of deviation, finally the infrared intensity value of each infrared remote receiver is consistent.
If calibration finishes, the calibration data being currently generated by generation module 2, as described above, the calibration data
Also the deviation of each infrared remote receiver infrared intensity is included.After the completion of calibration, also the calibration used time is carried out by judge module 3
Judge, wherein, the calibration used time refers to proximity transducer and performs calibration the consumed time, in a kind of embodiment, such as Fig. 3
Shown, the calibration system of proximity transducer of the invention also includes timing module 5, after calibration command is received, timing module 5
Open timer；After the completion of calibration, timing module 5 reads the value of timer, so as to obtain the calibration used time.Another specific
In embodiment, the calibration system of proximity transducer of the invention can also judge to calibrate according to the system clock of terminal device
Used time.The present invention sets a threshold value, such as 50 milliseconds for the calibration used time, if the current calibration used time is more than threshold value, shows
Original calibration data (calibration data stored in terminal device) has not been suitable for the current use environment of terminal device,
For example terminal device touch screen surface speckles with greasy dirt, dust, so that the overlong time of calibration is performed, if next time still in the original
Calibration is performed on the basis of the calibration data of beginning, then is realized for application proximity transducer and is double-clicked bright screen, prevents false triggering etc.
For function, the feedback speed of bottom data is just slack-off, causes the responses such as bright screen also can be slack-off.Therefore, in the present embodiment
The calibration system of proximity transducer using update module 4, by the calibration data being currently generated, (suitable for terminal device work as by the data
Preceding use environment) original calibration data is substituted, complete the renewal of calibration data.Calibration module 1 performs when calibrating next time,
Based on the calibration data after renewal, so as to shorten prover time, the response speed of proximity transducer is improved, is further improved
Consumer's Experience.
In another specific embodiment, when judge module 2 judges that the calibration used time is less than or equal to threshold value, update module
4 abandon the calibration data being currently generated.Because if the calibration used time is less than threshold value, then illustrate original calibration data (i.e. terminal
The calibration data stored in equipment) requirement of proximity transducer response speed can be met, make suitable for terminal device is current
With environment, perform based on the calibration data original by this when calibrating next time, can also quickly complete.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope that this specification is recorded all is considered to be.
Embodiment described above only expresses the several embodiments of the present invention, and its description is more specific and detailed, but simultaneously
Can not therefore it be construed as limiting the scope of the patent.It should be pointed out that come for one of ordinary skill in the art
Say, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. a kind of calibration method of proximity transducer, it is characterised in that comprise the following steps：
After calibration command is received, proximity transducer is calibrated according to the calibration data stored in terminal device；Wherein,
The calibration data stored in the terminal device is the calibration data under engineering mode；
After the completion of calibration, the calibration data that is currently generated, and judge to calibrate whether the used time is more than threshold value；
If so, the calibration data stored in the terminal device is then updated according to the calibration data being currently generated.
2. the calibration method of proximity transducer according to claim 1, it is characterised in that stored in the terminal device
Calibration data and the calibration data being currently generated include the infrared intensity deviation of each infrared remote receiver in proximity transducer.
3. the calibration method of proximity transducer according to claim 1 or 2, it is characterised in that small when the calibration used time
When threshold value, the calibration data being currently generated is abandoned.
4. the calibration method of proximity transducer according to claim 1 or 2, it is characterised in that the calibration used time passes through
Following method obtains：
After calibration command is received, timer is opened；
After the completion of calibration, the value of the timer is read, obtains the calibration used time.
5. the calibration method of proximity transducer according to claim 1 or 2, it is characterised in that the threshold value is 50 milliseconds.
A kind of 6. calibration system of proximity transducer, it is characterised in that including：
Calibration module, for after calibration command is received, according to the calibration data stored in terminal device to proximity transducer
Calibrated；Wherein, the calibration data stored in the terminal device is the calibration data under engineering mode；
Generation module, for the calibration data after the completion of calibration, being currently generated；
Judge module, for judging to calibrate whether the used time is more than threshold value；
Update module, for when the calibration used time being more than threshold value, updating the terminal device according to the calibration data being currently generated
The calibration data of middle storage.
7. the calibration system of proximity transducer according to claim 6, it is characterised in that stored in the terminal device
Calibration data and the calibration data being currently generated include the infrared intensity deviation of each infrared remote receiver in proximity transducer.
8. the calibration system of the proximity transducer according to claim 6 or 7, it is characterised in that when the judge module is sentenced
When the fixed calibration used time is less than or equal to threshold value, the update module abandons the calibration data being currently generated.
9. the calibration system of the proximity transducer according to claim 6 or 7, it is characterised in that also including timing module,
After receiving calibration command, the timing module opens timer；After the completion of calibration, the timing module reads the timing
The value of device, obtain the calibration used time.
10. the calibration system of the proximity transducer according to claim 6 or 7, it is characterised in that the threshold value is 50 millis
Second.
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| CN107290802B (en) * | 2017-07-18 | 2019-03-01 | Oppo广东移动通信有限公司 | Proximity sensor calibration method, proximity sensor calibrating installation and intelligent terminal |
| CN107504994B (en) * | 2017-08-08 | 2019-08-16 | Oppo广东移动通信有限公司 | Calibration method, device, mobile terminal and the readable storage medium storing program for executing of proximity sensor |
| CN109186657B (en) * | 2018-09-26 | 2022-03-08 | Oppo广东移动通信有限公司 | Proximity sensor parameter calibration method and device, terminal equipment and storage medium |
| CN109840032B (en) * | 2019-01-24 | 2022-04-12 | Oppo广东移动通信有限公司 | Method and device for calibrating proximity sensor, electronic equipment and storage medium |
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| JP5889128B2 (en) * | 2012-06-27 | 2016-03-22 | シャープ株式会社 | Mobile phone equipment |
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| CN101566901A (en) * | 2008-04-23 | 2009-10-28 | 索尼爱立信移动通信日本株式会社 | Contact-sensing device, mobile information terminal, and capacitance calibration program and method |
| CN102410846A (en) * | 2010-08-04 | 2012-04-11 | St微电子(鲁塞)有限公司 | A method of detecting an object with a proximity sensor |
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Address after: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee after: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., Ltd. Address before: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee before: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., Ltd. |
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