CN106019260A - Distance sensor anti-fouling method and system on mobile terminal - Google Patents
Distance sensor anti-fouling method and system on mobile terminal Download PDFInfo
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- CN106019260A CN106019260A CN201610282742.7A CN201610282742A CN106019260A CN 106019260 A CN106019260 A CN 106019260A CN 201610282742 A CN201610282742 A CN 201610282742A CN 106019260 A CN106019260 A CN 106019260A
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
- G01S7/497—Means for monitoring or calibrating
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/725—Cordless telephones
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
- G01S7/497—Means for monitoring or calibrating
- G01S2007/4975—Means for monitoring or calibrating of sensor obstruction by, e.g. dirt- or ice-coating, e.g. by reflection measurement on front-screen
- G01S2007/4977—Means for monitoring or calibrating of sensor obstruction by, e.g. dirt- or ice-coating, e.g. by reflection measurement on front-screen including means to prevent or remove the obstruction
Abstract
The invention discloses a distance sensor anti-fouling method on a mobile terminal. The mobile terminal comprises the steps that a distance sample value signal transmitted by a distance sensor on the mobile terminal is received; the actual bottom noise value and the actual distance sample value of the distance sensor is analyzed from the distance sample value signal; the actual bottom noise value is compared with the distance threshold value and the proximity threshold value of the distance sensor; if the actual bottom noise value is greater than the distance threshold value and is less than the proximity threshold value, distance sample value signals of a predetermined number is collected, and corresponding bottom noise values are analyzed therefrom; when the analyzed bottom noise values are stable, the average bottom noise value of the bottom noise values is calculated; the actual distance sample value is compared with the average bottom noise value; if the distance between the actual distance sample value and the average bottom noise value is judged to be lower than a predetermined threshold value, a control system does not turn on a mis-touch prevention operation mode. According to the invention, the mobile terminal is prevented from the mis-touch prevention mode.
Description
Technical field
The present invention relates to the technical field of mobile terminal communication, in particular it relates to one is at mobile terminal
The method and system that enterprising row distance sensor is antifouling.
Background technology
Having stepped into intelligent society, many electronic product equipments can provide intelligentized for people
Operating function.Along with the development of the network information technology, mobile terminal is the work of people, living brings pole
Big facility, thus, mobile terminal the most just becomes popular research topic now.But, how to extend
The energy continuation of the journey of mobile terminal is a big research direction of mobile terminal all the time.Intelligence especially for giant-screen
Energy terminal, during user uses, such as, in communication process, if remaining bright screen, not only can
Waste substantial amounts of energy, be also easy to the maloperation causing user on screen.
The solution of prior art is to arrange range sensor in mobile terminal, by this Distance-sensing
Device is launched and is received infrared light and carrys out the distance between perception user and mobile terminal, thus judges that user is to connect
This terminal nearly, is also remote from this terminal, and controls terminal and enter go out screen energy saver mode or normal use pattern.
Specifically, sent the infrared light of this range sensor characteristic frequency by range sensor, and use and this spy
Determine frequency corresponding frequency reception diode receive through external object (such as user) reflect infrared
Light, and after being converted into corresponding electric intensity signal, turn through internal analog-digital converter (ADC)
Being changed to digital signal, principle of reflection based on infrared light, when object distance mobile phone is more and more remote, through being somebody's turn to do
The infrared light that object reflects will tail off；And when object proximity mobile phone, reflect through this object
Infrared light will be the most.In turn, the reflection infrared signal collected by mobile terminal at mobile terminal
Intensity compares close to or away from threshold value with pre-set, can analyze object and be proximate to this and move
Terminal is also remote from this mobile terminal, when object reaches to a certain degree can judge to be to utilize eventually near terminal
End is being conversed, and then control terminal screen goes out screen to save energy；When object reaches certain away from terminal
During degree, illustrate it is not to use terminal to converse, and then control terminal carries out normal operating.
As it is shown in figure 1, be that the infrared light that in prior art, range sensor is reflected by reception is carried out
Object proximity or the schematic diagram judged away from mobile terminal.Terminal is launched infrared light by range sensor and connects
Receive the infrared light reflected and gather the sampled value of the infrared signal between object and mobile terminal, determine it
The hot-tempered value in the end 101, the Distance-sensing that the hot-tempered value in the end obtains in the case of referring to not have any blocking on mobile terminals
The sampled value of device, as the far and near and close benchmark of judgment object and this mobile terminal, and can adopt described
Sample value compares away from threshold value 102 and close to threshold value 103 with set in advance, when sampled value is not less than connecing
Nearly threshold value, it is judged that for occurring close to event；When sampled value is not more than away from threshold value, it is judged that for sending out away from event
Raw.
But, in actual use, always there will be some spots (such as greasy dirt etc.) and stick to terminal
The situation of upper range sensor position, now, terminal system may be judged as YES object proximity eventually mistakenly
The operation of end, and then control terminal and enter the energy-conservation pattern of screen of going out, and will control on screen always in terminal
It is in false-touch prevention state so that terminal cannot be introduced into operating normally interface, have impact on user to terminal
Operating experience.As in figure 2 it is shown, be reflected back by reception for prior art adheres to the range sensor of spot
The infrared light come carries out object proximity or the schematic diagram judged away from mobile terminal.Wherein, the hot-tempered value of original bottom
101 is the hot-tempered value in the normal end of nonadherent spot, when make an uproar value 201 of the new end is more than during away from threshold value 102, passes through
The infrared light sampled value that range sensor collects can more than close to threshold value 103, and should be actual away from
Sampled value 202, thus reports by mistake close to event, causes terminal to cannot be introduced into normally and operates interface.
Therefore it provides a kind of to the processing method that range sensor on mobile terminal is antifouling be this area urgently
The problem solved.
Summary of the invention
In view of this, the invention provides and a kind of carry out the side that range sensor is antifouling on mobile terminals
Method and system, solve in the prior art that range sensor can not be accurate when adhering to spot on mobile terminal
The problem really carrying out object distance judgement.
In order to solve above-mentioned technical problem, the present invention proposes one and carries out Distance-sensing on mobile terminals
The method that device is antifouling, including:
Receive the distance samples value signal that on mobile terminal, range sensor sends；
The hot-tempered value in the actual end and the reality of described range sensor is parsed from described distance samples value signal
Border distance sample；
Comparing the hot-tempered value in the described actual end and described range sensor away from threshold value and close to threshold value
Relatively；
When the hot-tempered value in the described actual end more than described away from threshold value and less than described close to threshold value time, then gather
The distance samples value signal of predetermined quantity, and therefrom parse the hot-tempered value in the corresponding end；
When determining the hot-tempered value stabilization in the parsed end, calculate the hot-tempered value in the average end of the hot-tempered value in the described end；
Described actual range sampled value is compared with the hot-tempered value in the described average end, when determining described reality
When distance between the hot-tempered value of border distance sample and the described average end is less than predetermined threshold, control system is not
Enter false-touch prevention operator scheme.
Further, wherein, described when determining the hot-tempered value stabilization in the parsed end, calculate described
The hot-tempered value in the average end of the hot-tempered value in the end, including:
Calculate the variance of the hot-tempered value in the described end, when described variance is less than when stablizing variance yields, calculate the described end
The hot-tempered value in the average end of hot-tempered value；
Wherein, described variance yields of stablizing is that user is the most set in advance.
Further, wherein, the method farther includes:
When described variance is more than when stablizing variance yields, then abandon the Distance-sensing carried out on mobile terminals
The antifouling operation of device.
Further, wherein, the method farther includes:
If the hot-tempered value in the described actual end less than described away from threshold value or more than described close to threshold value, when reality away from
From sampled value not less than described close to threshold value, then control to enter false-touch prevention operator scheme；Work as actual range
Sampled value is not more than described away from threshold value, then control not enter false-touch prevention operator scheme.
Further, wherein, the method farther includes:
Detect when having sampled value signal on described range sensor, wake up described range sensor collection up
Distance samples value signal；
When detecting on described range sensor without sampled value signal, control described range sensor and enter
Resting state.
On the other hand, the present invention also provide for a kind of carry out on mobile terminals range sensor antifouling be
System, including: receiver module, parsing module, comparison module, the first processing module, the second process mould
Block and the 3rd processing module；Wherein,
Described receiver module, for receiving the distance sample letter that on mobile terminal, range sensor sends
Number；
Described parsing module, for parsing described range sensor from described distance samples value signal
The hot-tempered value in the actual end and actual range sampled value；
Described comparison module, for by the hot-tempered value in the described actual end and described range sensor away from threshold value
And compare close to threshold value；
Described first processing module, for being more than described away from threshold value and be less than when the hot-tempered value in the described actual end
Described close to threshold value time, then gather the distance samples value signal of predetermined quantity, and therefrom parse corresponding
The hot-tempered value in the end；
Described second processing module, for when determining the hot-tempered value stabilization in the parsed end, calculates institute
State the hot-tempered value in the average end of the hot-tempered value in the end；
Described 3rd processing module, for by hot-tempered with the described average end for described actual range sampled value be worth into
Row compares, when the distance determined between the hot-tempered value of described actual range sampled value and the described average end is less than
During predetermined threshold, control system does not enter false-touch prevention operator scheme.
Further, wherein, described second processing module, it is further used for:
Calculate the variance of the hot-tempered value in the described end, when described variance is less than when stablizing variance yields, calculate the described end
The hot-tempered value in the average end of hot-tempered value；
Wherein, described variance yields of stablizing is that user is the most set in advance.
Further, wherein, the second processing module, it is further used for:
Described variance is more than when stablizing variance yields, when actual range sampled value is not less than described close to threshold value,
Then enter false-touch prevention operator scheme；When actual range sampled value is not more than described away from threshold value, do not enter
Enter false-touch prevention operator scheme.
Further, wherein, described first processing module, it is further used for:
If the hot-tempered value in the described actual end less than described away from threshold value or more than described close to threshold value, when reality away from
From sampled value not less than described close to threshold value, then control to enter false-touch prevention operator scheme；Work as actual range
Sampled value is not more than described away from threshold value, then control not enter false-touch prevention operator scheme.
Further, wherein, this system also includes: wake module, and described wake module is used for:
Detect when having sampled value signal on described range sensor, wake up described range sensor collection up
Distance samples value signal；
When detecting on described range sensor without sampled value signal, control described range sensor and enter
Resting state.
Compared with prior art, the present invention carry out the method that range sensor is antifouling on mobile terminals
And system, it is achieved that following beneficial effect:
(1) of the present invention the method and system that range sensor is antifouling are carried out on mobile terminals,
When the range sensor of mobile terminal adheres to spot, by the hot-tempered value in the actual end and actual range sampled value
Between the testing result of absolute distance multilevel iudge range sensor, it is possible to accurately judgment object is to shifting
The distance change of dynamic terminal, can also be normal in the case of range sensor is stained with a small amount of spot
Judge the generation away from event, prevent from being mistaken for close to event, it is to avoid mobile terminal enters by mistake through anti-
False touch pattern and cause can not normal operating situation.
(2) of the present invention the method and system that range sensor is antifouling are carried out on mobile terminals,
By the judgement of the hot-tempered value stabilization in the end, get rid of other specific condition and adjust the distance the occasional effects of sensor,
Guarantee just to carry out antifouling process in the case of range sensor is stained with spot, improve and moving
The accuracy of the terminal enterprising row distance antifouling process of sensor.
Certainly, the arbitrary product implementing the present invention must be not necessarily required to reach all the above simultaneously
Technique effect.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the one of the present invention
Part, the schematic description and description of the present invention is used for explaining the present invention, is not intended that this
Bright improper restriction.In the accompanying drawings:
Fig. 1 is that the infrared light that on prior art mobile terminal, range sensor is reflected by reception enters
Row object proximity or the schematic diagram judged away from mobile terminal；
Fig. 2 is that the range sensor adhering to spot on prior art mobile terminal is reflected by reception
Infrared light carry out object proximity or away from mobile terminal judge schematic diagram；
Fig. 3 be the present invention to carry out of the antifouling method of range sensor on mobile terminals optional
The step schematic diagram of embodiment；
Fig. 4 is to carry out, described in the embodiment of the present invention 2, the side that range sensor is antifouling on mobile terminals
Method step schematic diagram；
Fig. 5 is to carry out, described in the embodiment of the present invention 2, the side that range sensor is antifouling on mobile terminals
Method schematic flow sheet；
Fig. 6 is that the range sensor adhering to spot on mobile terminals of the embodiment of the present invention 2 is by connecing
Receive the infrared light reflected and carry out object proximity or the schematic diagram judged away from mobile terminal；
Fig. 7 be the present invention carry out the system structure schematic diagram that range sensor is antifouling on mobile terminals.
Detailed description of the invention
The various exemplary embodiments of the present invention are described in detail now with reference to accompanying drawing.It should also be noted that
Unless specifically stated otherwise, the parts that illustrate the most in these embodiments and step positioned opposite,
Numerical expression and numerical value do not limit the scope of the invention.
Description only actually at least one exemplary embodiment is illustrative below, never makees
For to the present invention and application thereof or any restriction of use.
May not beg in detail for technology, method and apparatus known to person of ordinary skill in the relevant
Opinion, but in the appropriate case, described technology, method and apparatus should be considered a part for description.
Shown here with in all examples discussed, any occurrence should be construed as merely example
Property rather than as limit.Therefore, other example of exemplary embodiment can have different
Value.
It should also be noted that similar label and letter represent similar terms, therefore, one in following accompanying drawing
A certain Xiang Yi the accompanying drawing of denier is defined, then need not it is carried out further in accompanying drawing subsequently
Discuss.
＜ embodiment 1 ＞
As it is shown on figure 3, carry out range sensor antifouling method on mobile terminals for the present invention
The step schematic diagram of one alternative embodiment.The present invention utilizes the hot-tempered value in the actual end and actual range sampled value
Between the testing result of absolute distance multilevel iudge range sensor, judgment object is to mobile exactly
The distance change of terminal, and then reach to avoid because on mobile terminal, range sensor adhesion spot causes by mistake
Being judged to mobile terminal that object proximity mobile terminal causes can not normal operating event.Institute in the present embodiment
State the method carrying out range sensor antifouling on mobile terminals to comprise the following steps:
The distance samples value signal that on step 301, reception mobile terminal, range sensor sends.
Range sensor is by launching the infrared light of characteristic frequency, and utilizes corresponding with this characteristic frequency
The reflection infrared light that reflects through object of the infrared light launched of frequency reception, through internal
Analog-digital converter (ADC) is converted to digital signal, i.e. distance samples value signal.Mobile terminal
Operating system receive the distance samples value signal that collected and obtain to carry out follow-up signal-data processing
Obtain mobile terminal and the accurate distance of object detected.
Step 302, from described distance samples value signal, parse the actual end of described range sensor
Hot-tempered value and actual range sampled value.
Owing to range sensor may be stained with spot on mobile terminals, range sensor can be caused real
The hot-tempered value in the end on border and the hot-tempered value in the original end have deviation, and the actual range sampled value collected also is phase
The absolute distance value that the actual hot-tempered value in the end is produced.Will be from range sensor collection by this step
To distance sample signal resolution be mobile terminal system can for carrying out the data form processed,
Facilitate subsequent calculations and judgement.
Step 303, by the hot-tempered value in the described actual end and described range sensor away from threshold value and close to threshold
Value compares.
Range sensor may be stained with spot on mobile terminals, and range sensor can be caused actual
The hot-tempered value in the end and the hot-tempered value in the original end have deviation, and if the hot-tempered value in the actual end falls just at range sensor
Away from threshold value and close to time between threshold value, it is possible to can occur to be mistaken for close to event by non-close to event,
Cause mobile terminal automatically into false-touch prevention pattern, cause mobile terminal to use.By the actual end
Hot-tempered value, with away from threshold value and close to the comparison of threshold value, first determines whether to be in erroneous judgement region, after being conducive to
Continuous operation.
Step 304, when the hot-tempered value in the described actual end more than described away from threshold value and less than described close to threshold value
Time, then gather the distance samples value signal of predetermined quantity, and therefrom parse the hot-tempered value in the corresponding end.Step
In rapid 304, predetermined quantity is preferably 5-10, when the hot-tempered value in the described actual end is more than described away from threshold value
And less than described close to threshold value time, then gather the distance samples value signal of 5-10, and therefrom parse
The corresponding hot-tempered value in the end.
By the hot-tempered value in the actual end with away from threshold value and close to the comparison of threshold value, find object and mobile terminal
Distance detection when being in erroneous judgement region, then gather the hot-tempered value in several end, to get rid of because accidentalia is made
The error impact become, improves the accuracy of this range sensor anti-fouling treatment method.
Step 305, when determining the hot-tempered value stabilization in the parsed end, calculate the flat of the hot-tempered value in the described end
All hot-tempered values in the end.
When the hot-tempered value in multiple ends collected is in steady statue, illustrate that being strictly existence hinders distance to pass
The stabilizing influence factor of sensor detection, gets rid of certain accidentally detection error with this and causes the hot-tempered value in the end to detect not
Accurate situation.
Step 306, described actual range sampled value is compared with the hot-tempered value in the described average end, when sentencing
When the distance broken between the hot-tempered value of described actual range sampled value and the described average end is less than predetermined threshold,
Control system does not enter false-touch prevention operator scheme.
In this step, described predetermined threshold is set according to actually used experience by user, works as reality
Distance between the hot-tempered value of border distance sample and the described average end is less than predetermined threshold, illustrates mobile whole
It is close to event that the range sensor of end will be far from event detection owing to adhering to spot by mistake, if do not entered
Row stops, and mobile terminal system according to presetting entrance false-touch prevention operator scheme, and then will cause
The operation of mobile terminal can not be normally carried out.
In the present embodiment, when the range sensor of mobile terminal adheres to spot, hot-tempered by the actual end
The testing result of the absolute distance multilevel iudge range sensor between value and actual range sampled value, energy
Enough accurate judgment objects change to the distance of mobile terminal, it is possible to avoid the movement caused because of detection error
Terminal can not the problem of normal operating.
＜ embodiment 2 ＞
As shown in Figure 4, the range sensor that carries out on mobile terminals described in the embodiment of the present invention 2 is prevented
Dirty method step schematic diagram.In the present embodiment, it is provided with the hot-tempered value stabilization in the end to judge and according to reality
At the bottom of border, hot-tempered value judged result carries out the concrete grammar of system operation process.At mobile terminal in the present embodiment
The antifouling method of enterprising row distance sensor comprises the following steps:
Step 401, detect when having sampled value signal on described range sensor, wake up described distance up
Sensor acquisition distance samples value signal.
The distance samples value signal that on step 402, reception mobile terminal, range sensor sends.
Step 403, from described distance samples value signal, parse the actual end of described range sensor
Hot-tempered value and actual range sampled value.
Step 404, by the hot-tempered value in the described actual end and described range sensor away from threshold value and close to threshold
Value compares.
If the hot-tempered value in the step 405 described actual end is less than described away from threshold value or more than described close to threshold value,
When actual range sampled value not less than described close to threshold value time, then control enter false-touch prevention operator scheme；
When described in actual range sampled value is not more than away from threshold value, then control not enter false-touch prevention operator scheme.
Step 406, when the hot-tempered value in the described actual end more than described away from threshold value and less than described close to threshold value
Time, then gather the distance samples value signal of predetermined quantity, and therefrom parse the hot-tempered value in the corresponding end.Step
In rapid 406, predetermined quantity is preferably 5-10, when the hot-tempered value in the described actual end is more than described away from threshold value
And less than described close to threshold value time, then gather the distance samples value signal of 5-10, and therefrom parse
The corresponding hot-tempered value in the end.
Step 407, when determining the hot-tempered value stabilization in the parsed end, calculate the flat of the hot-tempered value in the described end
All hot-tempered values in the end.
Preferably, calculate the variance of the hot-tempered value in the described end, when described variance is less than when stablizing variance yields, count
Calculate the hot-tempered value in the average end of the hot-tempered value in the described end；
Wherein, described variance yields of stablizing is that user is the most set in advance.
Step 408, when described variance more than stablize variance yields time, when actual range sampled value is not less than
Described close to threshold value, then enter false-touch prevention operator scheme；When actual range sampled value be not more than described far
From threshold value, the most do not enter false-touch prevention operator scheme.
Step 409, described actual range sampled value is compared with the hot-tempered value in the described average end, when sentencing
When the distance broken between the hot-tempered value of described actual range sampled value and the described average end is less than predetermined threshold,
Control system does not enter false-touch prevention operator scheme.Described predetermined threshold by user according to actually used experience
It is set.
Step 410, when detecting on described range sensor without sampled value signal, control described distance
Sensor enters resting state.
Shown in Fig. 5, for described in the present embodiment to carry out range sensor on mobile terminals antifouling
Method flow schematic diagram, embodied the flow process principle of the present embodiment scheme, comprised the steps:
Make an uproar value in step 501, the actual end obtaining distance of mobile terminal sensor.
Step 502, the relatively described actual end make an uproar value and described range sensor away from threshold value and close
Threshold size.
Step 503, when the described actual end make an uproar value more than described range sensor away from threshold value and be less than
During close to threshold value, mobile terminal system enters stain resistant pattern.
Step 504, obtain a number of end based on described range sensor again and make an uproar value determine that it is steady
Qualitative.
Step 505, value of being made an uproar with the stable end by the distance sample on described range sensor compare,
When distance between the two exceedes particular range, it is judged that occurring away from the time, control system does not enter anti-
False touch operator scheme.
Fig. 6 is that the range sensor adhering to spot on mobile terminals of the embodiment of the present invention 2 is by connecing
Receive the infrared light reflected and carry out object proximity or the schematic diagram judged away from mobile terminal.Wherein,
The hot-tempered value of original bottom 101 is the hot-tempered value in the normal end of nonadherent spot, makes an uproar value 201 more than away from threshold when the new end
When being worth 102, the infrared light sampled value collected by range sensor can be more than close to threshold value 103,
And should be actual away from sampled value 202, when described reality away from sampled value 202 with described newly
The end make an uproar distance between value 201 601 less than predetermined threshold time, control system does not enter false-touch prevention operation
Pattern.
The present embodiment carry out the method that range sensor is antifouling on mobile terminals, use and can wake up up
Range sensor detects the distance change of object and mobile terminal, carries out by the most just waking up up
Related resolution processes, it is not necessary to time form in a dormant state, it is also possible to economize on resources, extend away from
Service life from sensor.
＜ embodiment 3 ＞
As it is shown in fig. 7, for disclosed in the present embodiment to carry out range sensor on mobile terminals antifouling
The structural representation of an alternative embodiment of system.Described in the present embodiment on mobile terminals
The system carrying out range sensor antifouling includes: receiver module 701, parsing module 702, comparison module
703, the first processing module the 704, second processing module 705 and the 3rd processing module 706, wherein,
Described receiver module 701, connects with described parsing module 702 phase Rhizoma Nelumbinis, is used for receiving mobile terminal
The distance samples value signal that upper range sensor sends；
Described parsing module 702, connects with described receiver module 701 and parsing module 702 phase Rhizoma Nelumbinis, uses
In parse from described distance samples value signal the hot-tempered value in the actual end of described range sensor and reality away from
From sampled value；
Described comparison module 703, connects with described parsing module 702 and the first processing module 704 phase Rhizoma Nelumbinis,
For comparing the hot-tempered value in the described actual end and described range sensor away from threshold value and close to threshold value；
Described first processing module 704, with described comparison module 703 and the second processing module 705 phase
Rhizoma Nelumbinis connects, for when the hot-tempered value in the described actual end more than described away from threshold value and be less than described close to threshold value time,
Gather the distance samples value signal of predetermined quantity again, and therefrom parse the hot-tempered value in the corresponding end；Wherein,
Predetermined quantity is preferably 5-10；
Described second processing module 705, with described first processing module 704 and the 3rd processing module 706
Rhizoma Nelumbinis connects phase, for when determining the hot-tempered value stabilization in the parsed end, calculates the average of the hot-tempered value in the described end
The hot-tempered value in the end；
Described 3rd processing module 706, connects with described second processing module 705 phase Rhizoma Nelumbinis, for by institute
State actual range sampled value to compare with the hot-tempered value in the described average end, adopt when determining described actual range
When distance between the hot-tempered value of sample value and the described average end is less than predetermined threshold, control system does not enter anti-error
Touch operator scheme.Described predetermined threshold is set according to actually used experience by user.
In the present embodiment, described second processing module 705 is further used for:
Calculate the variance of the hot-tempered value in the described end, when described variance is less than when stablizing variance yields, calculate the described end
The hot-tempered value in the average end of hot-tempered value；
Wherein, described variance yields of stablizing is that user is the most set in advance.
Second processing module 705 is additionally operable to further:
When described variance is more than when stablizing variance yields, when actual range sampled value is not less than described close to threshold
Value, then enter false-touch prevention operator scheme；When actual range sampled value is not more than described away from threshold value, then
Do not enter false-touch prevention operator scheme.
Described first processing module 704 is further used for:
If the hot-tempered value in the described actual end less than described away from threshold value or more than described close to threshold value, when reality away from
From sampled value not less than described close to threshold value, then control to enter false-touch prevention operator scheme；Work as actual range
Sampled value is not more than described away from threshold value, then control not enter false-touch prevention operator scheme.
Preferably, the system carrying out range sensor antifouling on mobile terminals of the present embodiment also includes:
Wake module 707, described wake module 707, connect with described receiver module 701 phase Rhizoma Nelumbinis, be used for: inspection
Measure when having sampled value signal on described range sensor, wake up described range sensor up and gather distance and adopt
Sample value signal；
When detecting on described range sensor without sampled value signal, control described range sensor and enter
Resting state.
By each embodiment above, the range sensor that carries out on mobile terminals of the present invention is prevented
Dirty method and system exist and provide the benefit that:
(1) of the present invention the method and system that range sensor is antifouling are carried out on mobile terminals,
When the range sensor of mobile terminal adheres to spot, by the hot-tempered value in the actual end and actual range sampled value
Between the testing result of absolute distance multilevel iudge range sensor, it is possible to accurately judgment object is to shifting
The distance change of dynamic terminal, can also be normal in the case of range sensor is stained with a small amount of spot
Judge the generation away from event, prevent from being mistaken for close to event, it is to avoid mobile terminal enters by mistake through anti-
False touch pattern and cause can not normal operating situation.
(2) of the present invention the method and system that range sensor is antifouling are carried out on mobile terminals,
By the judgement of the hot-tempered value stabilization in the end, get rid of other specific condition and adjust the distance the occasional effects of sensor,
Guarantee just to carry out antifouling process in the case of range sensor is stained with spot, improve and moving
The accuracy of the terminal enterprising row distance antifouling process of sensor.
Those skilled in the art it should be appreciated that embodiments of the invention can be provided as method, device,
Or computer program.Therefore, the present invention can use complete hardware embodiment, complete software to implement
Example or the form of the embodiment in terms of combining software and hardware.And, the present invention can use at one
Or multiple wherein include computer usable program code computer-usable storage medium (include but not
It is limited to disk memory, CD-ROM, optical memory etc.) the upper computer program implemented
Form.
Described above illustrate and describes some alternative embodiments of the present invention, but as previously mentioned, it should
Understand that the present invention is not limited to form disclosed herein, be not to be taken as the row to other embodiments
Remove, and can be used for other combinations various, amendment and environment, and model can be conceived in invention described herein
In enclosing, it is modified by above-mentioned teaching or the technology of association area or knowledge.And those skilled in the art institute
The change carried out and change, the most all should be in rights appended by the present invention without departing from the spirit and scope of the present invention
In the protection domain required.
Claims (10)
1. one kind carries out the method that range sensor is antifouling on mobile terminals, it is characterised in that including:
Receive the distance samples value signal that on mobile terminal, range sensor sends；
Parse from described distance samples value signal the hot-tempered value in the actual end of described range sensor and reality away from
From sampled value；
Comparing the hot-tempered value in the described actual end and described range sensor away from threshold value and close to threshold value；
When the hot-tempered value in the described actual end more than described away from threshold value and less than described close to threshold value time, then gather pre-
The distance samples value signal of determined number, and therefrom parse the hot-tempered value in the corresponding end；
When determining the hot-tempered value stabilization in the parsed end, calculate the hot-tempered value in the average end of the hot-tempered value in the described end；
Described actual range sampled value is compared with the hot-tempered value in the described average end, when determining described reality
When distance between the hot-tempered value of distance sample and the described average end is less than predetermined threshold, control system does not enter anti-
False touch operator scheme.
The most according to claim 1 carry out the method that range sensor is antifouling on mobile terminals, its
It is characterised by, described when determining the hot-tempered value stabilization in the parsed end, calculate the average end of the hot-tempered value in the described end
Hot-tempered value, including:
Calculate the variance of the hot-tempered value in the described end, when described variance is less than when stablizing variance yields, calculate the described end hot-tempered
The hot-tempered value in the average end of value；
Wherein, described variance yields of stablizing is that user is the most set in advance.
The most according to claim 2 carry out the method that range sensor is antifouling on mobile terminals, its
It is characterised by, farther includes:
When described variance is more than when stablizing variance yields, then abandon the range sensor carried out on mobile terminals
Antifouling operation.
The most according to claim 1 carry out the method that range sensor is antifouling on mobile terminals, its
It is characterised by, farther includes:
If the hot-tempered value in the described actual end away from threshold value or more than described close to threshold value, works as actual range less than described
Sampled value not less than described close to threshold value, then controls to enter false-touch prevention operator scheme；When actual range sampled value
It is not more than described away from threshold value, then controls not enter false-touch prevention operator scheme.
5. according to according to any one of claim 1-4 to carry out range sensor on mobile terminals antifouling
Method, it is characterised in that farther include:
Detect when having sampled value signal on described range sensor, wake up up described range sensor collection away from
From sampled value signal；
When detecting on described range sensor without sampled value signal, control described range sensor and enter and stop
Dormancy state.
6. one kind carries out the system that range sensor is antifouling on mobile terminals, it is characterised in that including:
Receiver module, parsing module, comparison module, the first processing module, the second processing module and the 3rd process mould
Block；Wherein,
Described receiver module, for receiving the distance samples value signal that on mobile terminal, range sensor sends；
Described parsing module, for parsing described range sensor from described distance samples value signal
The hot-tempered value in the actual end and actual range sampled value；
Described comparison module, for by the hot-tempered value in the described actual end and described range sensor away from threshold value and
Compare close to threshold value；
Described first processing module, for being more than described away from threshold value and less than institute when the hot-tempered value in the described actual end
When stating close to threshold value, then gather the distance samples value signal of predetermined quantity, and it is hot-tempered therefrom to parse the corresponding end
Value；
Described second processing module, for when determining the hot-tempered value stabilization in the parsed end, calculates described
The hot-tempered value in the average end of the hot-tempered value in the end；
Described 3rd processing module, for carrying out described actual range sampled value with the hot-tempered value in the described average end
Relatively, when the distance determined between the hot-tempered value of described actual range sampled value and the described average end is less than predetermined threshold
During value, control system does not enter false-touch prevention operator scheme.
The most according to claim 6 carry out the system that range sensor is antifouling on mobile terminals, its
It is characterised by that described second processing module is further used for:
Calculate the variance of the hot-tempered value in the described end, when described variance is less than when stablizing variance yields, calculate the described end hot-tempered
The hot-tempered value in the average end of value；
Wherein, described variance yields of stablizing is that user is the most set in advance.
The most according to claim 7 carry out the system that range sensor is antifouling on mobile terminals, its
It is characterised by that the second processing module is further used for:
Described variance is more than when stablizing variance yields, when actual range sampled value is not less than described close to threshold value,
Then enter false-touch prevention operator scheme；When actual range sampled value is not more than described away from threshold value, the most do not enter anti-
False touch operator scheme.
The most according to claim 6 carry out the system that range sensor is antifouling on mobile terminals, its
It is characterised by that described first processing module is further used for:
If the hot-tempered value in the described actual end away from threshold value or more than described close to threshold value, works as actual range less than described
Sampled value not less than described close to threshold value, then controls to enter false-touch prevention operator scheme；When actual range sampled value
It is not more than described away from threshold value, then controls not enter false-touch prevention operator scheme.
10. prevent according to the range sensor that carries out on mobile terminals according to any one of claim 6-9
Dirty system, it is characterised in that also including: wake module, described wake module is used for:
Detect when having sampled value signal on described range sensor, wake up up described range sensor collection away from
From sampled value signal；
When detecting on described range sensor without sampled value signal, control described range sensor and enter and stop
Dormancy state.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610282742.7A CN106019260A (en) | 2016-04-29 | 2016-04-29 | Distance sensor anti-fouling method and system on mobile terminal |
| PCT/CN2016/103851 WO2017185701A1 (en) | 2016-04-29 | 2016-10-28 | Distance sensor antifouling method and system on mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610282742.7A CN106019260A (en) | 2016-04-29 | 2016-04-29 | Distance sensor anti-fouling method and system on mobile terminal |
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| CN106019260A true CN106019260A (en) | 2016-10-12 |
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| CN201610282742.7A Pending CN106019260A (en) | 2016-04-29 | 2016-04-29 | Distance sensor anti-fouling method and system on mobile terminal |
Country Status (2)
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| CN (1) | CN106019260A (en) |
| WO (1) | WO2017185701A1 (en) |
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| CN108267728A (en) * | 2018-01-23 | 2018-07-10 | 北京小米移动软件有限公司 | Calibration method, device, equipment and the storage medium of range sensor |
| CN109001712A (en) * | 2018-07-05 | 2018-12-14 | 合肥联宝信息技术有限公司 | A kind of infrared ray range sensor calibration method and intelligent appliance |
| CN109428961A (en) * | 2017-08-29 | 2019-03-05 | 中兴通讯股份有限公司 | A kind of processing method and mobile terminal close to light sensation |
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| CN111337994A (en) * | 2018-12-19 | 2020-06-26 | 合肥欣奕华智能机器有限公司 | Method and equipment for calibrating reference value |
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| WO2017185701A1 (en) | 2017-11-02 |
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