CN103941310B - Correcting method and system of proximity sensor - Google Patents
Correcting method and system of proximity sensor Download PDFInfo
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Abstract
The invention provides a correcting method of a proximity sensor. The proximity sensor conducts proximity sensing by emitting infrared light and receiving reflected infrared light. The method comprises the steps that the proximity sensor collects a current infrared strength value; whether the current infrared strength value is within a preset threshold range or not is judged; if the current infrared strength value is beyond the threshold range, infrared filtering parameters of the proximity sensor are adjusted so as to change the magnitude of the current infrared strength value; if the current infrared strength value is within the threshold range, the adjusted infrared filtering parameters are stored.
Description
Technical field
The present invention relates to Proximity Sensor automatic calibration machine system in field of mobile equipment, more particularly, to mobile device.
Background technology
Now the mobile phone of touch becomes more and more popular, but because mobile phone adopts touch screen, user when being conversed, face
Easily touch mobile phone screen and cause maloperation.Therefore, infrared Proximity Sensor is generally installed on mobile phone, when infrared near
Range sensor detects after light blocks, and mobile phone thinks face near touch screen, thus close touch screen with prevent due to
The maloperation that face presses close to and produces is it is possible to save electricity in communication process.
Specifically, Proximity Sensor typically by arrange bound threshold values judge mobile phone whether be near or remote
From state.Proximity Sensor passes through to launch infrared ray, and receives the infrared ray reflecting, to determine whether shelter
Closer or far from.The form of the threshold values of Proximity Sensor can be a codomain scope（A,B）, wherein A<B, when closely passing
When the reflection infra-red intensity that sensor obtains is more than higher limit B of codomain scope, then judge that light is blocked, and closes touch screen,
When infrared Proximity Sensor reflects the lower limit A that infra-red intensity is less than codomain scope, then judge that light blocks and be eliminated,
Open touch screen.
But, Proximity Sensor is generally positioned at the upper left corner or the upper right corner in mobile phone, due to the design of mobile phone mechanism
Difference, can interfere to the incident infra-red intensity that goes out of Proximity Sensor, lead to the erroneous judgement that mobile phone is blocked, and affect mobile phone
Use.
At present, in prior art, the general threshold values passing through dynamic setting Proximity Sensor, to reduce mobile phone mechanism not
The impact to Proximity Sensor for the stability.
Patent in Application No. CN201180001001《A kind of method of the perception threshold values of adjustment infrared proximity transducer
And device》In, by infrared proximity transducer, obtain the reflection infra-red intensity value under current light strength environment, will obtain
Reflection infra-red intensity value compare with the reflection infra-red intensity value prestoring and obtain the first difference, when described first difference
During more than default first threshold values, then perception threshold values is modified.
Patent in Application No. CN201110370005《A kind of method and system of setting Proximity Sensor threshold values》
In, first Proximity Sensor is initialized, obtain an Initial Hurdle, then read in Proximity Sensor depositor
Currency, be compared with described Initial Hurdle, if currency be more than Initial Hurdle, currency is set to closely
The threshold values of sensor.
Above-mentioned two parts of patents are all by adjusting threshold range（Upper lower limit value when working）, by current measurement value and handss
Initial Hurdle in machine contrasts, and by both differences, the threshold values of Proximity Sensor is entered with Mobile state adjustment.And closely
The scope of sensor detecting itself is constant.To reduce the impact to Proximity Sensor for the ambient environmental factors, such as mobile phone
Screen sticking film etc..
But, inventor finds in actual application, has significant limitation by the method for dynamic adjustment threshold values.
In prior art, the correction of Proximity Sensor is both for external factor and leads to Proximity Sensor value to shift and carry out
, such as film for mobile phone screen or mobile phone screen wear and tear and cause.The now detecting value of Proximity Sensor and pre-set threshold value
Difference will not be very big, can be corrected by the threshold values threshold values of Proximity Sensor.But in Proximity Sensor itself
When generating mechanism is abnormal, under the larger structure diversity that causes when especially assembling, or even the extreme case such as deformation, even if logical
Cross adjustment threshold values, still can not filter out the interference that mechanism causes to Proximity Sensor, thus mobile phone screen one still occurs
The straight problem closed, this is because the threshold values after adjusting has exceeded the maximum limit of Proximity Sensor, and leads to closely
Sensor cisco unity malfunction.
Content of the invention
Therefore, the present invention provides a kind of bearing calibration of Proximity Sensor and system, to avoid mechanism's unstability pair
The interference that Proximity Sensor causes, improves the suitability of Proximity Sensor, relaxes the specification of mechanism's design simultaneously, reduces system
Cause this.
To achieve these goals, the invention provides a kind of bearing calibration of Proximity Sensor, wherein, this is closely
Sensor is closely sensed by the Infrared launching Infrared and reception reflection, and the method includes：Step one, closely
Range sensor gathers current infrared intensity value；Step 2, judges whether this current infrared intensity value is in default threshold values model
In enclosing；Step 3, if this current infrared intensity value is in outside threshold range, adjusts the infrared-filtered ginseng of this Proximity Sensor
Number, to change the size of current infrared intensity value, and return to step one；If this current infrared intensity value is in threshold range,
The then infrared-filtered parameter after storage adjustment.
Preferably, in the bearing calibration of described Proximity Sensor, step 3 also includes：Infrared strong after adjustment
After angle value is in threshold range, the correction of this Proximity Sensor completes, and this Proximity Sensor is according to infrared after adjustment
Filtration parameter enters normal operating conditions.
Preferably, in the bearing calibration of described Proximity Sensor, the method also includes：Detected by OPTICAL SENSORS
The light intensity of current environment, mates the default threshold range corresponding with the light intensity of this current environment.
Preferably, in the bearing calibration of described Proximity Sensor, the method also includes：Before step one, lead to
Cross OPTICAL SENSORS to determine now after have no occluder before Proximity Sensor, trigger this Proximity Sensor and carry out from dynamic(al) correction.
Preferably, in the bearing calibration of described Proximity Sensor, adjusting this in described step 3 and closely sense
During the infrared-filtered parameter of device：Increase this infrared-filtered parameter so that current infrared intensity value diminishes, or reduction should
Infrared-filtered parameter is so that current infrared intensity value becomes big.
Present invention also offers a kind of correction system of Proximity Sensor, wherein, this Proximity Sensor passes through transmitting
The Infrared of Infrared and reception reflection is closely sensed, and this system includes detecting module, computing module, adjustment mould
Block and memory module, detecting module is used for Proximity Sensor and gathers current infrared intensity value；Computing module is used for judging to deserve
Whether front infrared intensity value is in default threshold range；If adjusting module is in threshold values model for this current infrared intensity value
Outside enclosing, adjust the infrared-filtered parameter of this Proximity Sensor, to change the size of current infrared intensity value；Memory module is used
Infrared-filtered parameter if being in threshold range in this current infrared intensity value, after storage adjustment.
Preferably, in the correction system of described Proximity Sensor, infrared intensity value after adjustment falls into threshold values
In the range of after, the correction system of this Proximity Sensor stops correction, and this Proximity Sensor is according to the infrared-filtered after adjustment
Parameter enters normal operating conditions.
Preferably, in the correction system of described Proximity Sensor, this system also includes OPTICAL SENSORS, this light sensing
Device is used for detecting the light intensity of current environment, mates the default threshold values model corresponding with the light intensity of this current environment
Enclose.
Preferably, in the correction system of described Proximity Sensor, this system also includes OPTICAL SENSORS, this light sensing
Device determines now after have no occluder before Proximity Sensor, triggers the correction system of this Proximity Sensor.
Preferably, in the correction system of described Proximity Sensor, this adjusting module adjusts this Proximity Sensor
Infrared-filtered parameter during：Increase this infrared-filtered parameter so that current infrared intensity value diminishes, or it is red to reduce this
Outer filtration parameter is so that current infrared intensity value becomes big.
Compared with prior art, the present invention passes through to adjust the infrared-filtered parameter of Proximity Sensor, changes and closely passes
The infrared intensity value of sensor, so that infrared intensity value is in default threshold range, and avoids closely sensing
The problem of device erroneous judgement.Especially in mechanism, larger abnormal deformation interferes to Proximity Sensor, Proximity Sensor infrared
In the case that intensity level much deviates default threshold range, the present invention still effectively can correct Proximity Sensor, overcomes
By the dynamic limitation adjusting threshold values method in prior art, improve the suitability and the stability of Proximity Sensor.With
The specification of Shi Fangkuan mechanism design, reduces manufacturing cost.
Brief description
Fig. 1 is the flow chart of the bearing calibration of Proximity Sensor of a preferred embodiment of the present invention；
Fig. 2 is the structural frames of the mobile device with Proximity Sensor correction system of a preferred embodiment of the present invention
Figure.
Specific embodiment
For making to have further understanding to the purpose of the present invention, construction, feature and its function, hereby cooperation embodiment is detailed
It is described as follows.
As shown in figure 1, the flow chart of the bearing calibration of Proximity Sensor for a preferred embodiment of the present invention.This low coverage
From sensor application in mobile device, for example, there is smart mobile phone of touch screen etc. in prior art.This Proximity Sensor
Closely sensed by the Infrared launching Infrared and reception reflection.
Wherein, this Proximity Sensor, typically by infrared（Infrared Spectroscopy,IR）LED and infrared photosensitive
Module forms, and after infrared illuminant module receives infrared ray, will be able to detect via filter element and ADC (analog digital conversion) module
The Infrared signal measuring is converted to digital signal, is finally shown as representing certain numerical value of the infrared intensity detecting, should
Numerical value is the detecting value of this Proximity Sensor.
It is true that the infrared light intensity wide range that this infrared illuminant module detects, and make in actual industrial manufacture
With in, according to the infrared-filtered parameter in control chip, most of infra-red intensity range filter can be fallen, only retain wherein one
Section effective range.And this infrared-filtered parameter will be set to a fixed value.The present invention passes through to adjust this Proximity Sensor
The infrared-filtered parameter of itself is changing the detecting value of this Proximity Sensor, and then realizes carrying out school to this Proximity Sensor
Just.The interference being made a variation for Proximity Sensor by this bearing calibration, equipment mechanism of can forgoing, improves Proximity Sensor
The suitability.
In the present embodiment, this Proximity Sensor and OPTICAL SENSORS integrate, in order to the assembling of mobile device
With design.This OPTICAL SENSORS is used for detecting the light intensity under current environment, to assist Proximity Sensor.This OPTICAL SENSORS according to
Light intensity under various circumstances, the threshold range different to Proximity Sensor configuration automatically.Detectd by OPTICAL SENSORS
Survey the light intensity of current environment, to mate the threshold range corresponding with current environment.The correction side of this Proximity Sensor
Method is：
Step S101, Proximity Sensor and OPTICAL SENSORS start.After this Proximity Sensor starts, this closely passes
Sensor passes through to launch infrared ray, and by receiving the infra-red intensity that reflects, carry out determining whether shelter near or
Away from.After OPTICAL SENSORS starts simultaneously, this OPTICAL SENSORS detects the brightness under current environment, and according under various circumstances
Light intensity, the threshold range different to Proximity Sensor configuration automatically.In addition, when Proximity Sensor operation irregularity,
Assist whether Proximity Sensor detecting has shelter by this OPTICAL SENSORS.For example, when OPTICAL SENSORS detects surrounding
Light intensity close or identical with default light intensity under this environment when, then can determine whether now do not have before Proximity Sensor
Shelter.
Step S102, whether OPTICAL SENSORS detecting has shelter, if it has, then execution step S107, sends warning；If
No, then execution step S103, triggers Proximity Sensor automatic correction machine system.Judged closely by the detecting of OPTICAL SENSORS
Whether there is shelter before sensor, and according to the different action of detecting result execution.Wherein, OPTICAL SENSORS is current by detecting
The light intensity of environment, has have no occluder with before determination now Proximity Sensor.If OPTICAL SENSORS determines now closely
There is shelter before sensor, then, just send warning to inform to adjustor or user.Adjustor is further according to practical situation with certainly
Determine whether carry out manual synchronizing closely sensor again.
Step S103, triggers Proximity Sensor automatic correction machine system.If OPTICAL SENSORS is according to the light of surrounding
Intensity, determines now have no occluder before Proximity Sensor, then this OPTICAL SENSORS triggers this Proximity Sensor from dynamic(al) correction
Mechanism, subsequently this Proximity Sensor will carry out from dynamic(al) correction.Wherein, described Proximity Sensor automatic correction machine system is general
Start the software program from dynamic(al) correction for this Proximity Sensor.It should be noted that the automatic correction machine system of the present invention is not
It is limited with software program, it will be appreciated by those skilled in the art that, also can pass through entity hardware configuration and hardware and software phase
In conjunction with scheme to realize.
Step S104, Proximity Sensor detects current detecting value.After this Proximity Sensor starts from dynamic(al) correction,
This Proximity Sensor detects current detecting value first.The infrared ray that i.e. this Proximity Sensor detecting current reflective is returned is strong
Degree.In the present embodiment, in the case of this current detecting is worth for have no occluder before this Proximity Sensor reflect infrared
Line strength.Because before Proximity Sensor during have no occluder, mobile device now is typically in holding state or non-call shape
State, now Proximity Sensor carry out from dynamic(al) correction, will not to user normal using impacting.And in have no occluder
In the case of, the correction of Proximity Sensor is also more accurate.
Step S105, judges whether this current detecting value is in threshold range, if it has not, then execution step S108, adjusts
The infrared-filtered parameter of this Proximity Sensor whole, to change the size of current detecting value, and return to step S104；If it is,
Then execution step S106, the infrared-filtered parameter after storage adjustment, Proximity Sensor enters normal operating conditions.I.e. closely
Sensor judges to current detecting value, if this current detecting value is in default threshold range, now low coverage is described
Normal from working sensor, or the Proximity Sensor after adjustment is working properly.Whereas if this current detecting value be in pre-
If threshold range outside, then illustrate that now Proximity Sensor occurs abnormal, thus this Proximity Sensor must be entered
Row correction, to avoid the follow-up erroneous judgement of Proximity Sensor to affect the normal use of user.
Specifically, in step S108, the threshold range of Proximity Sensor is（a、b）, wherein a<B, a, b are infrared ray
Intensity.After Proximity Sensor operation irregularity, if current detecting value is more than upper limit threshold values b, show that deformation leads to
The internal interference light of Proximity Sensor is bigger than normal, then by increasing the infrared-filtered parameter of Proximity Sensor, near to increase
The filtration to infra-red intensity for the range sensor, and then reduce current detecting value so that the detecting value after adjustment falls into again
Default threshold range（a、b）Interior；Whereas if current detecting value is less than lower limit threshold values a, then show in Proximity Sensor
Signal source（IR LED）Or infrared illuminant module is blocked, then by reducing the infrared-filtered parameter of Proximity Sensor,
To reduce the filtration to infrared intensity for the Proximity Sensor, and then increase current detecting value so that detecting value weight after adjustment
Newly fall into default threshold range（a、b）Interior.
It should be noted that the correction of this Proximity Sensor does not change the luminous parameters of signal source infrared LED.But
By adjusting the filtration parameter of infrared light intensity receiving, to adjust current detecting value, with reach detecting value fall into default
Threshold range and make the effect of Proximity Sensor normal work.
In addition, in an alternative embodiment of the invention, also can be further combined with adjustment threshold range（a’、b’）Come to closely
Sensor is corrected.Specifically, first current detecting value is adjusted to a default effective range（C, d）Interior, wherein, this is effective
Scope is more than threshold range, i.e. d>B ', c<a’.Afterwards, then adjust threshold range（A ', b '）, so that the threshold values model after adjustment
Enclose and cover current detecting value.I.e. after adjusting detecting value size, then adjust bound threshold values a ' and b ', to realize detecting value
Fall into the purpose in the threshold range after adjustment, the correction of Proximity Sensor so can be made more quick and accurate.For
The adjustment of threshold range, is elaborated in prior art, and here does not just repeat to repeat.
In addition, in this step S105, if the initial scout value of this Proximity Sensor detecting is in default threshold values
In the range of, then illustrate that Proximity Sensor is working properly, then this correction mechanism terminates.I.e. this Proximity Sensor detects
Initial detecting value just already at default threshold range, then illustrate now Proximity Sensor do not occur any
Abnormal, because without being corrected.
Step S106, the infrared-filtered parameter after storage adjustment, Proximity Sensor enters normal operating conditions.By upper
After stating the adjustment of step S104, step S105 and step S108, detecting value is in default threshold range, Proximity Sensor
Get final product normal work, now can the terminating from dynamic(al) correction of Proximity Sensor, and the infrared-filtered parameter after adjustment is carried out
Storage, Proximity Sensor carries out subsequent normal operation according to the infrared-filtered parameter after adjustment.It should be noted that this low coverage
Bearing calibration from sensor can be carried out from dynamic(al) correction when user normally uses.Also can enter when mobile device is completed
Row correction.If this Proximity Sensor is corrected when mobile device is completed, first Proximity Sensor is carried out
Initial-state calibration, to obtain basic parameter, the such as initial value of the infrared-filtered parameter used in bearing calibration of the present invention.
The present invention by being adjusted to the detection parameters of Proximity Sensor itself, to realize to this Proximity Sensor
The purpose of correction.After i.e. outside this current detecting value of determination is in threshold range, the present invention closely senses to this further
The detecting value size that device detects is adjusted, and makes the detecting value after adjustment again fall into default ideal threshold range
Interior.Wherein, this adjustment process is to change the big of current detecting value by the infrared-filtered parameter adjusting this Proximity Sensor
Little, so that detecting value falls in default threshold range.Thus realizing the correction to Proximity Sensor.
Specifically, the Infrared that Proximity Sensor acceptance reflects, the infrared light intensity tool that this reflects
There is some strength scope.By adjusting this infrared-filtered parameter, you can the Infrared changing the reception of this Proximity Sensor is strong
The filter area of degree.The present invention passes through to adjust the reconnaissance range of Proximity Sensor itself, especially occurs different in equipment mechanism
Often under the situation of deformation, also can filter out the interference that mechanism causes, improve the stability of Proximity Sensor.And, this
Bright bearing calibration can effectively solve the defect of mechanism's design or deformation, leads to asking of Proximity Sensor operation irregularity
Topic.Compared with prior art, the bearing calibration range of the present invention is wider, both can be suitably used for external factor and has led to closely pass
The situation that sensor shifts, is also applied for the extreme situations such as deformation.
In sum, the present invention passes through to adjust the infrared-filtered parameter of Proximity Sensor, changes Proximity Sensor
Detecting value, so that detecting value is in default threshold range, and avoids the problem of Proximity Sensor erroneous judgement.Especially
It interferes to Proximity Sensor in the larger abnormal deformation of mechanism, and the detecting value of Proximity Sensor much deviates default
In the case of threshold range, the present invention still effectively can correct Proximity Sensor, overcome in prior art and pass through dynamically
The limitation of adjustment threshold values method, improves the suitability and the stability of Proximity Sensor.Relax the specification of mechanism's design simultaneously,
Reduce manufacturing cost.
As shown in Fig. 2 the mobile device with Proximity Sensor correction system 202 for a preferred embodiment of the present invention
201 structured flowchart.The correction system 202 of this Proximity Sensor is applied in mobile device 201, for example, this mobile device
201 is mobile phone or personal assistant equipment etc..
Also there is in this mobile device 201 Proximity Sensor 204 and OPTICAL SENSORS 203.This Proximity Sensor 204 leads to
Cross transmitting Infrared and the Infrared of reception reflection is closely sensed.This Proximity Sensor 204 and OPTICAL SENSORS
203 integrate, the assembling in order to mobile device 201 and design.This OPTICAL SENSORS 203 is used for detecting under current environment
Light intensity, to assist Proximity Sensor 204.This OPTICAL SENSORS 203 according to light intensity under various circumstances, automatically near
Range sensor 204 configures different threshold range.I.e. by OPTICAL SENSORS 203 detect current environment light intensity, with
Join the threshold range corresponding with current environment.
This Proximity Sensor 204 is made up of infrared LED 205 and infrared illuminant module 206, and infrared illuminant module 206 connects
After infrared ray, can be via filter element（In figure is not drawn into）With ADC (analog digital conversion) module（In figure is not drawn into）, will detect
The Infrared signal measuring is converted to digital signal, is finally shown as representing certain numerical value of the infrared intensity detecting, should
Numerical value is the detecting value of this Proximity Sensor 204.The infrared light intensity scope that this infrared illuminant module 206 detects is very
Extensively, and in actual industrial manufacture uses, can be according to the infrared-filtered parameter in control chip, by most of infra-red intensity model
Enclose and filter out, only retain wherein one section effective range.And this infrared-filtered parameter will be set to a fixed value.The present invention is led to
Cross and adjust this Proximity Sensor 204 infrared-filtered parameter of itself to change the detecting value of this Proximity Sensor 204, and then
Realize this Proximity Sensor 204 is corrected.Thus mobile device 201 Mechanism deformation of forgoing is for Proximity Sensor
204 interference, improves the suitability of Proximity Sensor 204.
The correction system 202 of this Proximity Sensor includes：Detecting module 207, computing module 208, adjusting module 209 and
Memory module 210.Detecting module 207 is used for gathering the current detecting value of Proximity Sensor 204；Computing module 208 is used for sentencing
Whether this current detecting value of breaking is in threshold range；Adjusting module 209 is in outside threshold range for this current detecting value,
Adjust the infrared-filtered parameter of this Proximity Sensor 204, to change the size of current detecting value；Memory module 210 is used for depositing
Infrared-filtered parameter after storage adjustment.
Specifically, the operation principle of this correction system 202 is as follows：
This Proximity Sensor 204 and OPTICAL SENSORS 203 start, and this Proximity Sensor 204 passes through to launch infrared ray, and
By receiving the infra-red intensity that reflects, carry out determining whether shelter closer or far from.But ought closely sense
During device 204 operation irregularity, OPTICAL SENSORS 203 detects the light intensity of current environment, and whether auxiliary Proximity Sensor 204 is detected
There is shelter.If OPTICAL SENSORS 203 determines now has shelter before Proximity Sensor 204, then, just to adjustor or use
Family sends warning to inform.Adjustor is further according to practical situation to decide whether carrying out manual synchronizing closely sensor 204.
If OPTICAL SENSORS 203 is according to the light intensity of surrounding, determine now have no occluder before Proximity Sensor 204, then
This OPTICAL SENSORS 203 triggers this Proximity Sensor automatic correction system 202.
First, after the automatic correction system 202 of this Proximity Sensor starts, this detecting module 207 is detected and is currently detectd
Measured value.The infra-red intensity that i.e. detecting current reflective is returned.In the present embodiment, this current detecting is worth for this Proximity Sensor
The infra-red intensity reflecting in the case of have no occluder before 204.Because before Proximity Sensor 204 during have no occluder, this
When mobile device 201 be typically in holding state or non-talking state, now Proximity Sensor 204 is carried out from dynamic(al) correction,
The normal use of user will not be impacted.And in the case of have no occluder, the correction of Proximity Sensor 204 is also more
Plus precisely.
Secondly, computing module 208 judges whether this current detecting value is in threshold range, if at this current detecting value
In default threshold range, illustrate that now Proximity Sensor 204 is working properly, or the Proximity Sensor after adjustment
204 is working properly.Whereas if this current detecting value is in outside default threshold range, then illustrate now closely to pass
Exception in sensor 204, and adjusting module 209 starts this Proximity Sensor 204 is corrected.
Threshold range with Proximity Sensor 204（a、b）As a example, wherein a<B, a, b are infra-red intensity.Adjusting module
The concrete trimming process of 209 pairs of Proximity Sensors 204 is：If current detecting value is more than upper limit threshold values b, show that mechanism becomes
Shape and lead to Proximity Sensor 204 internal interference light bigger than normal, then adjusting module 209 adjusts Proximity Sensor 204
Infrared-filtered parameter, to reduce current detecting value, and makes the detecting value after adjustment again fall into default threshold range（a、b）
Interior；Whereas if current detecting value is less than lower limit threshold values a, then show the signal source infrared LED 205 in Proximity Sensor 204
Or infrared illuminant module 206 is blocked, then adjusting module 209 adjusts the infrared-filtered parameter of Proximity Sensor 204, with
Increase current detecting value so that the detecting value after adjustment falls into default threshold range again（a、b）Interior.
It should be noted that this adjusting module 209 does not change the luminous parameters of signal source infrared LED 205.But pass through
Adjust the filtration parameter of the infrared light intensity receiving, to adjust current detecting value, to fall into default valve to reach detecting value
Value scope and make the effect of Proximity Sensor 204 normal work.
In addition, in an alternative embodiment of the invention, adjusting module 209 also can be further combined with adjustment threshold range（a’、
b’）Proximity Sensor 204 is corrected.Specifically, current detecting value is first adjusted to one by adjusting module default has
Effect scope（C, d）Interior, wherein, this effective range is more than threshold range, i.e. d>B ', c<a’.Afterwards, adjusting module adjusts threshold values again
Scope（A ', b '）, so that the threshold range after adjustment covers current detecting value.I.e. after adjusting detecting value size, then
Adjust bound threshold values a ' and b ', to realize the purpose in the threshold range after detecting value falls into adjustment, so can make low coverage
More quick and accurate from the correction of sensor 204.For the adjustment of threshold range, explained in detail in prior art
State, here does not just repeat to repeat.
In addition, if detecting module 207 detects current detecting value being in default threshold range, illustrate now closely
Sensor 204 is working properly, then this correction system 202 does not start.What i.e. this detecting module 207 detected at the beginning currently detects
Measured value is already at default threshold range, then illustrate that now Proximity Sensor 204 does not occur any exception, thus
Do not need to be corrected.
Finally, memory module 210 stores the infrared-filtered parameter after adjustment, follow-up for Proximity Sensor 204
Normal work, Proximity Sensor 204 enters normal operating conditions.By the adjustment of adjusting module 209, detecting value is in
In default threshold range, Proximity Sensor 204 gets final product normal work, now the automatic correction system of Proximity Sensor
202 can terminate.It should be noted that the correction system 202 of this Proximity Sensor can be applicable to user's use state.?
When can be used for mobile device 201 assembling production and completing.If the correction system 202 of Proximity Sensor is applied to this mobile device
201 when being completed, then this correction system 202 first carries out initial-state calibration to obtain benchmark ginseng to Proximity Sensor 204
Number, the such as present invention correct the initial value of the infrared-filtered parameter used in system 202.
This correction system 202 is by being adjusted to Proximity Sensor 204 detection parameters of itself, near to this to realize
The purpose of range sensor 204 correction.After i.e. outside this current detecting value of determination is in threshold range, this correction system 202
It is adjusted by the detecting value size that this Proximity Sensor 204 is detected, so that the detecting value after adjustment falls again
Enter in the range of default ideal threshold values.Wherein, this adjustment process is by adjusting the infrared-filtered of this Proximity Sensor 204 ginseng
Count and to change the size of current detecting value, so that detecting value falls in default threshold range.Thus realizing to closely passing
The correction of sensor 204.Because the infrared light intensity that Proximity Sensor 204 receives has some strength scope.By adjustment
Infrared-filtered parameter, you can change the filter area of the infrared light intensity of this reception.
The correction system 202 of the present invention is passed through to adjust Proximity Sensor 204 reconnaissance range of itself, is especially moving
Equipment 201 mechanism occurs, under the situation of abnormal deformation, also to filter out the interference that mechanism causes, improve Proximity Sensor
204 stability, effectively solves the problems, such as that mechanism's design or deformation defect lead to Proximity Sensor 204 operation irregularity.
Thus correction system 202 range of the present invention is wider, both can be suitably used for external factor and led to Proximity Sensor 204 to occur
The situation of skew, is also applied for the extreme situations such as deformation.
Compared with prior art, the present invention passes through to adjust the infrared-filtered parameter of Proximity Sensor itself, changes low coverage
From the detecting value of sensor, so that detecting value is in default threshold range avoiding Proximity Sensor by mistake
The problem sentenced.Overcome and in prior art, pass through the dynamic limitation adjusting threshold values method, improve being suitable for of Proximity Sensor
Property and stability.Relax the specification of mechanism's design simultaneously, reduce manufacturing cost.
The present invention is been described by by above-mentioned related embodiment, but above-described embodiment is only the example implementing the present invention.
It must be noted that, the embodiment of exposure is not limiting as the scope of the present invention.On the contrary, in the spirit without departing from the present invention and
In the range of the change made and retouching, all belong to the scope of patent protection of the present invention.
Claims (10)
1. a kind of bearing calibration of Proximity Sensor, wherein, this Proximity Sensor passes through to launch Infrared and receives anti-
The Infrared penetrated closely is sensed it is characterised in that the method includes：
Step one, Proximity Sensor gathers current infrared intensity value；
Step 2, judges whether this current infrared intensity value is in default threshold range；
Step 3, this current infrared intensity value is in outside threshold range, adjusts the infrared-filtered parameter of this Proximity Sensor,
To change the size of current infrared intensity value, and return to step one；If this current infrared intensity value is in threshold range, deposit
Infrared-filtered parameter after storage adjustment.
2. the bearing calibration of Proximity Sensor as claimed in claim 1 is it is characterised in that step 3 also includes：Work as adjustment
After infrared intensity value afterwards is in threshold range, the correction of this Proximity Sensor completes, and this Proximity Sensor is according to tune
Infrared-filtered parameter after whole enters normal operating conditions.
3. the bearing calibration of Proximity Sensor as claimed in claim 1 is it is characterised in that before step one, the method is also
Including：Detect the light intensity of current environment by OPTICAL SENSORS, coupling is corresponding with the light intensity of this current environment pre-
If threshold range.
4. the bearing calibration of Proximity Sensor as claimed in claim 1 is it is characterised in that the method also includes：In step
Before one, determined now after have no occluder before Proximity Sensor by OPTICAL SENSORS, trigger this Proximity Sensor carry out from
Dynamic(al) correction.
5. the bearing calibration of Proximity Sensor as claimed in claim 1 is it is characterised in that to adjust this in described step 3 near
During the infrared-filtered parameter of range sensor：Increase this infrared-filtered parameter so that current infrared intensity value diminishes, or
Person reduces this infrared-filtered parameter so that current infrared intensity value becomes big.
6. the correction system of a kind of Proximity Sensor, wherein, this Proximity Sensor passes through to launch Infrared and receives anti-
The Infrared penetrated closely is sensed it is characterised in that this system includes：
Detecting module, gathers current infrared intensity value for Proximity Sensor；
Computing module, for judging whether this current infrared intensity value is in default threshold range；
Adjusting module, if outside being in threshold range for this current infrared intensity value, adjust the infrared of this Proximity Sensor
Filtration parameter, to change the size of current infrared intensity value；
Memory module, the infrared-filtered parameter if being in threshold range for this current infrared intensity value, after storage adjustment.
7. Proximity Sensor as claimed in claim 6 correction system it is characterised in that when adjustment after infrared intensity value
After falling in threshold range, the correction system of this Proximity Sensor stops correction, after this Proximity Sensor is according to adjustment
Infrared-filtered parameter enters normal operating conditions.
8. the correction system of Proximity Sensor as claimed in claim 6 is it is characterised in that this system also includes light sensing
Device, this OPTICAL SENSORS is used for detecting the light intensity of current environment, pre- corresponding with the light intensity of this current environment of coupling
If threshold range.
9. the correction system of Proximity Sensor as claimed in claim 6 is it is characterised in that this system also includes light sensing
Device, this OPTICAL SENSORS determines now after have no occluder before Proximity Sensor, triggers the correction system of this Proximity Sensor.
10. Proximity Sensor as claimed in claim 6 correction system it is characterised in that this adjusting module to adjust this near
During the infrared-filtered parameter of range sensor：Increase this infrared-filtered parameter so that current infrared intensity value diminishes, or
Person reduces this infrared-filtered parameter so that current infrared intensity value becomes big.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410138936.0A CN103941310B (en) | 2014-04-09 | 2014-04-09 | Correcting method and system of proximity sensor |
| TW104103675A TW201539010A (en) | 2014-04-09 | 2015-02-03 | Calibration method of proximity sensor and calibration system thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410138936.0A CN103941310B (en) | 2014-04-09 | 2014-04-09 | Correcting method and system of proximity sensor |
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| Publication Number | Publication Date |
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| CN103941310A CN103941310A (en) | 2014-07-23 |
| CN103941310B true CN103941310B (en) | 2017-02-15 |
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| CN201410138936.0A Active CN103941310B (en) | 2014-04-09 | 2014-04-09 | Correcting method and system of proximity sensor |
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| TW (1) | TW201539010A (en) |
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| CN116939926B (en) * | 2023-07-19 | 2024-05-17 | 广州众远智慧科技有限公司 | Method and device for adjusting effective power range of receiving lamp tube and infrared touch equipment |
| CN118482741A (en) * | 2024-06-14 | 2024-08-13 | 深圳大深传感科技有限公司 | A method and system for calibrating detection distance of a photoelectric sensor |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101922966A (en) * | 2009-06-10 | 2010-12-22 | （株）赛丽康 | Image sensor for measuring illuminance, proximity and color temperature |
| CN101936752A (en) * | 2009-06-30 | 2011-01-05 | 安华高科技Ecbuip(新加坡)私人有限公司 | Optical Proximity Sensor Package |
| CN102440063A (en) * | 2008-12-29 | 2012-05-02 | 摩托罗拉移动公司 | Portable electronic device having self-calibrating proximity sensors |
| CN103123394A (en) * | 2011-11-21 | 2013-05-29 | 比亚迪股份有限公司 | Method and system for setting threshold value of proximity sensor |
| CN103197357A (en) * | 2013-02-26 | 2013-07-10 | 深圳市中兴移动通信有限公司 | Infrared proximity detector self-calibration method and device |
| CN103353621A (en) * | 2013-06-14 | 2013-10-16 | 广东欧珀移动通信有限公司 | Method for calibrating proximity sensor of mobile terminal, and mobile terminal |
-
2014
- 2014-04-09 CN CN201410138936.0A patent/CN103941310B/en active Active
-
2015
- 2015-02-03 TW TW104103675A patent/TW201539010A/en unknown
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102440063A (en) * | 2008-12-29 | 2012-05-02 | 摩托罗拉移动公司 | Portable electronic device having self-calibrating proximity sensors |
| CN101922966A (en) * | 2009-06-10 | 2010-12-22 | （株）赛丽康 | Image sensor for measuring illuminance, proximity and color temperature |
| CN101936752A (en) * | 2009-06-30 | 2011-01-05 | 安华高科技Ecbuip(新加坡)私人有限公司 | Optical Proximity Sensor Package |
| CN103123394A (en) * | 2011-11-21 | 2013-05-29 | 比亚迪股份有限公司 | Method and system for setting threshold value of proximity sensor |
| CN103197357A (en) * | 2013-02-26 | 2013-07-10 | 深圳市中兴移动通信有限公司 | Infrared proximity detector self-calibration method and device |
| CN103353621A (en) * | 2013-06-14 | 2013-10-16 | 广东欧珀移动通信有限公司 | Method for calibrating proximity sensor of mobile terminal, and mobile terminal |
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|---|---|
| CN103941310A (en) | 2014-07-23 |
| TW201539010A (en) | 2015-10-16 |
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