CN106293271A - Determine the method in the dirty region of infrared touch frame, device and terminal unit - Google Patents
Determine the method in the dirty region of infrared touch frame, device and terminal unit Download PDFInfo
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- CN106293271A CN106293271A CN201610644973.8A CN201610644973A CN106293271A CN 106293271 A CN106293271 A CN 106293271A CN 201610644973 A CN201610644973 A CN 201610644973A CN 106293271 A CN106293271 A CN 106293271A
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- infrared
- light path
- touch frame
- value
- user
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- 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
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/042—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means
- G06F3/0421—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means by interrupting or reflecting a light beam, e.g. optical touch-screen
Abstract
The present embodiments relate to technical field of touch control, particularly relate to a kind of determine the method in the dirty region of infrared touch frame, device and terminal unit.Wherein the method includes: when not having user's touch, obtains the infrared touching signals parameter value of each light path in infrared touch frame；The infrared touching signals parameter value of each light path described is compared with reference value set in advance, determines the signal parameter changing value of each light path described respectively；Determine whether the signal parameter changing value of each light path described exceedes first threshold respectively；When the signal parameter changing value of an at least light path exceedes first threshold, determining that signal parameter changing value exceedes the infrared touch frame region corresponding to the light path of first threshold is dirty region.Embodiment of the present invention scheme can automatically determine the dirty region in infrared touch frame.
Description
Technical field
The present embodiments relate to technical field of touch control, particularly relate to a kind of side determining the dirty region of infrared touch frame
Method, device and terminal unit.
Background technology
Infrared touch panel, as the man-machine interaction parts of a kind of close friend, is widely used in each class of electronic devices.Infrared
Touch screen structure is simple, it is common that install an infrared touch frame in display screen periphery, infrared touch frame surrounding comprises infrared
Penetrate pipe and infrared receiving tube.
Fig. 1 is the structural representation of terminal unit mid-infrared touch frame.As it is shown in figure 1, the infrared emission in infrared touch-control
Pipe 101 is evenly distributed on two adjacent sides of terminal unit screen, and infrared receiving tube 102 is evenly distributed on terminal unit screen
The adjacent side of another two of curtain.During the work of infrared touch frame, infrared transmitting tube 101 sends red to infrared receiving tube 102 in real time
Outside line, two groups of infrared ray intersected form infrared light net.When the screen of user's touch terminal equipment, infrared to relevant position
Line is formed and blocks, and user touch location is positioned by MCU according to the ultrared change received.
Along with the increase of the time of use, the pollutant in environment can be attached in infrared touch frame, be attached to infrared touch-control
Pollutant on frame can affect the touch-control effect of infrared touch frame.As used in the environment containing a large amount of dust, powder in environment
Dirt will be attached on the light transmission strip of infrared touch frame, and this can directly affect the transmitting-receiving of infrared touch frame middle infrared (Mid-IR).Along with attached
The quantity the dust on light transmission strip increases, in order to ensure that infrared receiving tube is able to receive that the infrared ray of enough power, then
Must be by the transmitting power promotion of infrared touch frame mid-infrared transmitting tube, to ensure that infrared receiving tube is able to receive that enough merits
The infrared ray of rate.In actually used, along with infrared transmitting tube launches the lifting of power, but decline the service life of infrared transmitting tube
, and then cause the decline of infrared touch frame whole service life.
Summary of the invention
The embodiment of the present invention provides and a kind of determines the method in the dirty region of infrared touch frame, device and terminal unit,
The dirty region in infrared touch frame is automatically determined during to have dirty in infrared touch-control.
First aspect, it is provided that a kind of method determining the dirty region of infrared touch frame, including:
When there is no user's touch, obtain the infrared touching signals parameter value of each light path in infrared touch frame；
The infrared touching signals parameter value of each light path described is compared with reference value set in advance, determines respectively
The signal parameter changing value of each light path described；
Determine whether the signal parameter changing value of each light path described exceedes first threshold respectively；
When the signal parameter changing value of an at least light path exceedes first threshold, determine that signal parameter changing value exceedes
Infrared touch frame region corresponding to the light path of first threshold is dirty region.
Second aspect, it is provided that a kind of device determining the dirty region of infrared touch frame, including: processor, memorizer and
Communication interface, described processor, described memorizer are connected with described communication interface communication bus；
Described communication interface, is used for receiving infrared touching signals parameter value；
Described memorizer, is used for storing program code；
Described processor, for reading the program code of storage in described memorizer, and performs said method.
The third aspect, it is provided that a kind of terminal unit, including: the above-mentioned device determining the dirty region of infrared touch-control, also wraps
Include: Micro-processor MCV and infrared touch frame；
Described MCU is connected with described infrared touch frame and the above-mentioned device determining the dirty region of infrared touch-control respectively；
Described MCU, for when not having user's touch, obtains the infrared touch-control of each light path from infrared touch frame
Signal parameter value is also sent to the above-mentioned device determining the dirty region of infrared touch-control.
Fourth aspect, it is provided that a kind of terminal unit, including: the above-mentioned device determining the dirty region of infrared touch-control, also wraps
Include: infrared touch frame；The above-mentioned device determining the dirty region of infrared touch-control is connected with infrared touch frame.
Due to the subregion of infrared touch-control dirty after can affect the phase of the infrared touching signals of each light path in infrared touch-control
Related parameter values (as launched power, receiving voltage) etc., utilize this feature, in embodiment of the present invention scheme, obtain infrared touch frame
The infrared touching signals parameter value of each light path, and the reference value of each infrared touching signals parameter value with setting is compared
Relatively, when the difference of each infrared touching signals parameter value Yu reference value exceedes the threshold value of setting, then may determine that corresponding light
Infrared touch frame region corresponding to road occurs in that dirty, and then may determine that the dirty region in infrared touch frame.
It should be appreciated that it is only exemplary and explanatory, not that above general description and details hereinafter describe
The disclosure can be limited.
Accompanying drawing explanation
Accompanying drawing herein is merged in description and constitutes the part of this specification, it is shown that meet the enforcement of the present invention
Example, and for explaining the principle of the present invention together with description.
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, for those of ordinary skill in the art
Speech, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of terminal unit mid-infrared touch frame；
Fig. 2 is the structural representation of a kind of terminal unit of the embodiment of the present invention；
Fig. 3 is the method flow diagram that the embodiment of the present invention one determines the dirty region of infrared touch frame；
Fig. 4 is the method flow diagram that the embodiment of the present invention two determines the dirty region of infrared touch frame；
Fig. 5 is the method flow diagram that the embodiment of the present invention three determines the dirty region of infrared touch frame；
Fig. 6 is a kind of schematic diagram that embodiment of the present invention terminal unit shows dirty region；
Fig. 7 is the another kind of schematic diagram that embodiment of the present invention terminal unit shows dirty region；
Fig. 8 is the inquiry interface schematic diagram that embodiment of the present invention terminal unit asks the user whether to clear up dirty region；
Fig. 9 is the structural representation of the another kind of terminal unit of the embodiment of the present invention；
Figure 10 is the processing means structural representation that the embodiment of the present invention determines the dirty region of infrared touch frame.
Detailed description of the invention
For the technical scheme making those skilled in the art be more fully understood that in the present invention, real below in conjunction with the present invention
Execute the accompanying drawing in example, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described enforcement
Example is only a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, this area is common
The every other embodiment that technical staff is obtained under not making creative work premise, all should belong to present invention protection
Scope.
Infrared touch frame in use needs the cooperation of user, as it is shown in figure 1, infrared touch frame and user are carried out mutually
Dynamic primary structure is infrared transmitting tube, infrared receiving tube.Generally, the surrounding of infrared touch frame comprises a large amount of 1 a pair
The infrared transmitting tube answered and infrared receiving tube, after infrared transmitting tube launches infrared ray, this infrared ray can be connect by the infrared of correspondence
Shelter receives.And then, substantial amounts of infrared transmitting tube and infrared receiving tube, by transmitting-receiving infrared ray, can form one on screen
The individual infrared ray net anyhow intersected.When user touches touch screen, finger can will specify the red of X and the Y both direction of position
Outside line is blocked, and the calculating system of infrared touch frame just can calculate touch point coordinate by algorithm.Due to needs user's hands
Moving and block infrared ray, therefore infrared transmitting tube and infrared receiving tube can only be directly exposed in natural environment.
Along with the increase of the time of use, the pollutant (such as dust) in environment are attached in infrared touch frame, and this can affect
Infrared receiving tube receives the infrared ray that infrared transmitting tube is sent.Generally, in order to enable infrared receiving tube to receive normally
The infrared ray of regulation power, it is necessary to making the transmitting power of infrared transmitting tube increase, this just have impact on the use of infrared transmitting tube
Life-span.
For this kind of situation, embodiments provide a kind of end having and determining the dirty regional function of infrared touch frame
End equipment.As in figure 2 it is shown, this terminal unit includes: infrared touch-control system and master control system.
Wherein, infrared touch-control system includes MCU201, launches scanning circuit 202, reception scanning circuit 203, infrared emission
Pipe matrix 204, infrared receiving tube matrix 205 and sample circuit 206, infrared transmitting tube matrix 204 and infrared receiving tube matrix
205 are distributed in the surrounding of terminal unit display screen as the critical piece of infrared touch frame.
Launch scanning circuit 202 to be connected with MCU201, for driving infrared transmitting tube matrix 204 under the control of MCU201
In infrared transmitting tube launch infrared ray；Receive scanning circuit 203 to be connected with MCU201, for driving under the control of MCU201
Infrared receiving tube receiving infrared-ray in infrared receiving tube matrix 205；Sample circuit 206 respectively with infrared receiving tube matrix 205
And MCU201 connects, under the control of MCU201, receive in infrared receiving tube matrix 205 according to prefixed time interval
To infrared ray sample, and sampled signal be sent to MCU201 determine whether to receive the touch-control of user for MCU201
Operate and determine the operating position of user.
Master control system includes that primary processor 207, primary processor 207 are connected with MCU201, for determining according to MCU201
User action position control apply response accordingly.
Fig. 3 is the method flow diagram that the embodiment of the present invention one determines the dirty region of infrared touch frame.Holding of method shown in Fig. 3
Row main body is the terminal unit shown in Fig. 2, and method described in Fig. 3 comprises the steps:
S301, when not having user's touch, MCU obtains the infrared touching signals ginseng of each light path in infrared touch frame
Numerical value, and the infrared touching signals parameter value of each light path got is sent to primary processor.
Each light path in infrared touch frame refers to the light that infrared transmitting tube and/or infrared receiving tube transmitting-receiving infrared ray are formed
Road, infrared touching signals parameter value can refer to transmitting power, the reception power of infrared receiving tube, the infrared receiver of infrared transmitting tube
Signal intensity in pipe, signal voltage etc. can be with the various types of signal parameters of the infrared touching signals in the infrared touch frame of quantificational expression
Value.
The infrared touching signals parameter value obtaining each light path when not having user's touch may insure that each light path
Infrared touching signals parameter value is not disturbed by user job.
S302, the infrared touching signals parameter value of each light path is carried out by primary processor respectively with reference value set in advance
Relatively, the signal parameter changing value of each light path is determined.
Reference value can prestore before performing step S301.Measuring reference value when, it shall be guaranteed that
Pollutant are not had to be attached in infrared touch frame, so that the credibility of reference value is higher.The acquisition mode of reference value is touched with infrared
The acquisition mode of control signal parameter value is similar to, and is also to be sent by infrared transmitting tube, and received by corresponding infrared receiving tube
Infrared ray calculates.Signal parameter changing value can obtain in the way of subtracting each other with reference value to use infrared touching signals parameter value
Go out.
S303, primary processor determines whether the signal parameter changing value of each light path exceedes first threshold respectively.
S304, when in each light path, at least the signal parameter changing value of a light path exceedes first threshold, main process
It is dirty region that device determines that signal parameter changing value exceedes the infrared touch frame region corresponding to the light path of first threshold.
The infrared touching signals parameter value of each light path floats around the little scope of reference value and belongs to normal phenomenon, when each light
When the signal parameter changing value of the part or all of light path in road exceedes first threshold, illustrate that this signal parameter changing value is more than
Infrared touch frame region corresponding to the light path of one threshold value is dirty region, i.e. this light path has rushed across dirty region.
It should be noted that generally, during dirty regional occlusion light path, the ultrared power of this light path can be reduced
Amplitude, and user touches when blocking light path, then the ultrared power of this light path can be reduced to 0.Accordingly, it is considered to this kind of feelings
Condition, the value of first threshold should be not excessive, otherwise can cause false alarm when user touches and blocks light path.
Fig. 4 is the method flow diagram that the embodiment of the present invention two determines the dirty region of infrared touch frame.The execution master of the method
Body is the terminal unit shown in Fig. 2.In embodiment of the present invention scheme, it is previously stored with red in the terminal unit shown in Fig. 2
The reference emission power of each infrared transmitting tube of outer touch frame.
The mode of the reference emission power that terminal unit prestores each infrared transmitting tube of infrared touch frame includes:
Before terminal unit dispatches from the factory, the primary processor in terminal unit sends instructions to MCU, MCU and controls infrared touch frame
In each infrared transmitting tube launch infrared ray, and make the letter of each infrared receiving tube by regulating the power of launching of each infrared transmitting tube
Number magnitude of voltage reaches the first setting value, and MCU records the signal voltage value of each infrared receiving tube and reaches each infrared during the first setting value
The transmitting power of transmitting tube, the signal voltage value of each infrared receiving tube is reached each infrared recorded during the first setting value by MCU
That penetrates pipe launches the power reference emission power as each infrared transmitting tube.The benchmark of each infrared transmitting tube of record is sent out by MCU
Penetrating the primary processor that power is sent in terminal unit with the form of array, primary processor preserves this array.Such as array form
For: P_BackGround [LightNum], wherein LightNum is light path label.
User use the above-mentioned reference emission power that have recorded each infrared transmitting tube terminal unit time, terminal unit meeting
Automatically the dirty region in infrared touch frame is detected, including:
S401, MCU control the signal voltage value in each infrared receiving tube of infrared touch frame equal to the first setting value.
Each infrared receiving tube receiving infrared-ray in infrared touch frame and infrared ray (optical signal) conversion that will receive
For the signal of telecommunication, the signal voltage value that the infrared receiving tube in the embodiment of the present invention collects i.e. refers to turn infrared receiving tube by optical signal
After being changed to the signal of telecommunication, outfan to infrared receiving tube is sampled the signal voltage value obtained.
In the embodiment of the present invention, MCU on the premise of there is no user's touch by adjusting in infrared touch frame each
The signal voltage value of each infrared receiving tube in infrared touch frame is all adjusted to the first setting by the power of launching of infrared transmitting tube
Value.
S402, MCU obtain the transmitting of each infrared transmitting tube in infrared touch frame on the premise of no user touch
Power, and the transmitting power of each infrared transmitting tube obtained is sent to primary processor by MCU.
In the embodiment of the present invention, MCU also enters before the transmitting power of each infrared transmitting tube in obtaining infrared touch frame
One step determines whether the touch control operation of user according to infrared touching signals, when MCU determines the touch control operation not having user,
MCU obtains the transmitting power of each infrared transmitting tube in infrared touch frame, wherein, sending out of each infrared transmitting tube that MCU obtains
Penetrating power and can use array form record, as being recorded as P_Now [LightNum], wherein LightNum is light path label.
S403, primary processor is by the base launching power and each transmitting tube prestored of each infrared transmitting tube received
Accurate power of launching does difference respectively, obtains the transmitting power change values of each infrared transmitting tube.
Such as, primary processor, by P_Now [LightNum]-P_BackGround [LightNum], obtains each infrared emission
The transmitting power change values of pipe.
S404, primary processor determines whether the transmitting power change values of each infrared transmitting tube exceedes first threshold, wherein should
First threshold can be that primary processor prestores, and in embodiment of the present invention scheme, primary processor will launch changed power
The infrared touch frame region that value exceedes corresponding to the infrared transmitting tube of first threshold is defined as dirty region.
It can be infrared that transmitting power change values exceedes the infrared touch area corresponding to infrared transmitting tube of first threshold
Surround between transmitting tube and the relative infrared receiving tube of this transmitting tube region.
S405, primary processor statistics launches total number that power change values exceedes the infrared transmitting tube of first threshold.
S406, primary processor determines whether the total number launching the infrared transmitting tube that power change values exceedes first threshold surpasses
Cross Second Threshold.
S407, when the total number launching the infrared transmitting tube that power change values exceedes first threshold exceedes Second Threshold,
Primary processor displays to the user that the information for pointing out the dirty region of touch frame.
In embodiment of the present invention scheme, it is adjustable shape by the transmitting power designs of each infrared transmitting tube in infrared touch frame
State, makes the signal electricity of each reception pipe of infrared touch frame by adjusting the power of launching of each infrared transmitting tube in infrared touch frame
Pressure value reaches a preset value, and each signal voltage value receiving pipe reaches the transmitting merit of each infrared transmitting tube during preset value
The benchmark infrared emission power of rate and each transmitting tube prestored does difference, obtains the transmitting changed power of each infrared transmitting tube
Value, wherein launches power change values and exceedes the optical path area corresponding to infrared transmitting tube of first threshold and be confirmed as dirty district
Territory, in terminal unit display screen, when only one of which or two light paths occur dirty, the impact on infrared touch frame is relative
Smaller, therefore can not remind, when the light path number occurred is the most, when exceeding the Second Threshold of setting such as sum,
Display to the user that the information for pointing out the dirty region of touch frame.
Fig. 5 is the method flow diagram that the embodiment of the present invention three determines the dirty region of infrared touch frame.The execution master of the method
Body is the terminal unit shown in Fig. 2.In embodiment of the present invention scheme, it is previously stored with red in the terminal unit shown in Fig. 2
The reference signal voltage value of each infrared receiving tube of outer touch frame.
The method of the reference signal voltage value that terminal unit prestores each infrared receiving tube in infrared touch frame includes:
Before terminal unit dispatches from the factory, the primary processor in terminal unit sends instructions to MCU, MCU and controls infrared touch frame
In each infrared transmitting tube launch infrared ray according to set transmitting power (equal to the second setting value), MCU records each infrared connect
The signal voltage value of closed tube, and using the signal voltage value of each infrared receiving tube of record as the reference signal of each infrared receiving tube
Magnitude of voltage.The primary processor that the reference signal voltage value of record is sent in terminal unit by MCU with the form of array, main process
Device keeps the form of this data, such as array to be: ANALOG_BackGround [LightNum], wherein LightNum is
Light path label.
User use the above-mentioned reference signal voltage that have recorded each infrared receiving tube terminal unit time, terminal unit meeting
Automatically the dirty region in infrared touch frame is detected, including:
S501, MCU control each infrared transmitting tube in infrared touch frame according to set transmitting power emission infrared ray,
Wherein this set transmitting power is equal to the second setting value.
S502, MCU obtain the signal of each infrared receiving tube in infrared touch frame on the premise of no user touch
Magnitude of voltage, and the signal voltage value of each infrared receiving tube obtained is sent to primary processor by MCU.
In the embodiment of the present invention, MCU also enters before the signal voltage of each infrared receiving tube in obtaining infrared touch frame
One step determines whether the touch control operation of user according to the infrared touching signals that infrared receiving tube receives, and does not has when MCU determines
During the touch control operation of user, MCU obtains the signal voltage of each infrared receiving tube in infrared touch frame, and wherein, it is each that MCU obtains
The signal voltage of individual infrared receiving tube can use array form record, as being recorded as ANALOG_Now [LightNum], wherein
LightNum is light path label.
S503, primary processor is by the signal voltage value of each infrared receiving tube received and each reception pipe prestored
Reference signal voltage value does difference respectively, obtains the signal voltage changing value of each infrared receiving tube.
Such as, primary processor, by ANALOG_Now [i]-ANALOG_BackGround [i], obtains each infrared receiving tube
Signal voltage changing value.
S504, primary processor determines whether the signal voltage changing value of each infrared receiving tube exceedes first threshold, wherein should
First threshold can be that primary processor prestores, and in embodiment of the present invention scheme, signal voltage is changed by primary processor
The infrared touch area that value exceedes corresponding to the infrared receiving tube of first threshold is defined as dirty region.
It can be infrared receiver that signal voltage value exceedes the infrared touch area corresponding to the infrared receiving tube of first threshold
Manage surround between the relative infrared transmitting tube of this transmitting tube region, it is also possible to be infrared transmitting tube and corresponding red
The region that external closed tube is occupied in infrared touch frame.
S505, whether primary processor statistical signal voltage change exceedes has continuously point in the infrared receiving tube of first threshold
The infrared receiving tube of cloth.
S506, when there being the infrared receiving tube of continuous distribution during signal voltage changing value exceedes the light path of first threshold, main
Processor determines that whether the number of the infrared receiving tube of this continuous distribution is more than the 3rd threshold value.
S507, when the signal voltage changing value of continuous distribution exceedes the number of the infrared receiving tube of first threshold more than the 3rd
During threshold value, primary processor displays to the user that the prompting that region the is dirty region letter that the infrared receiving tube of this continuous distribution is positioned at
Breath.
In embodiment of the present invention scheme, it is fixing by the transmission power setting of each infrared transmitting tube in infrared touch frame
Value, gathers the signal voltage value of each infrared receiving tube afterwards, and by the signal voltage value of infrared receiving tube that collects with pre-
The signal voltage reference value first stored does difference, obtains the signal voltage changing value of each infrared receiving tube, and wherein signal voltage becomes
Change value exceedes the optical path area corresponding to the infrared receiving tube of first threshold and is confirmed as dirty region.
In the scheme of embodiment two and embodiment three, when primary processor determine dirty light path occurs time, and non-straight
Tapping into row prompting, as only one or two light path occurs in that dirty, overall on infrared touch frame uses impact little, the most permissible
Do not point out.
For, after determining dirty light path occurs, how light path being pointed out, following scheme can be used:
Scheme one: (1) determines the dirty total number of light path occur, as determined in embodiment two, transmitting power change values surpasses
Cross total number of the infrared transmitting tube of first threshold, correspond to embodiment three i.e. determining that, signal voltage changing value exceedes
Total number of the infrared receiving tube of first threshold.
(2) when there is the Second Threshold that the dirty total number of light path exceedes setting, the prompting infrared touch frame of user occurs
Dirty.
As shown in Figure 6, will appear from dirty light path and indicate by the mode of indicatrix on a display screen, for according to aobvious
The indicatrix occurred in display screen determines dirty light path occur.Can also be by infrared with indicatrix instruction dirty region when
Each light path in touch frame all indicates by indicatrix, dirty light path occur in order to distinguish, can will appear from dirty light
Indicatrix corresponding to road uses the first color to indicate, and does not occurs that the indicatrix corresponding to dirty light path uses the second face
Color indicates.Such as, the first color can be red, and the second color is black.
Scheme two: (1) determines the light path occurring whether there is continuous distribution in dirty light path, as determined in embodiment two
Launch power change values and exceed the infrared transmitting tube whether having continuous distribution in the infrared transmitting tube of first threshold, in embodiment three
Middle determine that signal voltage changing value exceedes the infrared receiving tube whether having continuous distribution in the infrared receiving tube of first threshold.
(2) determine dirty light path number occurs continuously whether more than the 3rd threshold value, if more than the 3rd threshold value, then will continuously
The light path of distribution shows with the form in region, as shown in Figure 7, uses region display mode in terminal unit display screen
There is dirty region in prompting user.
In embodiment of the present invention scheme, displaying to the user that the information for pointing out the dirty region of infrared touch frame
Before, it is also possible to as in Fig. 8, display asks the user whether the information clearing up dirty region, refer in the cleaning receiving user
After showing according to such scheme one and/or scheme two in terminal demonstration screen display for pointing out carrying of the dirty region of infrared touch frame
Show information.
Embodiment of the present invention scheme is during realizing, and some details can take different methods to realize.The most right
In Multi Slice Mode light net, each light path of each layer of light net can be added up by the information of dirty impact, utilize this information
Can obtain specifically by dirty emission lamp or the sequence number of reception lamp, can be by the most accurate dirty data exhibiting to user.
This programme focus on protect the above algorithm idea, protect the scheme thought of these principles.
Fig. 9 is that the another kind that the embodiment of the present invention provides has the terminal unit determining the dirty regional function of infrared touch frame
Structural representation.As it is shown in figure 9, this terminal unit includes: primary processor 601, transmitting scanning circuit 602, reception scanning electricity
Road 603, infrared transmitting tube matrix 604, infrared receiving tube matrix 605 and sample circuit 606, infrared transmitting tube matrix 604 He
Infrared receiving tube matrix 605 is distributed in the surrounding of terminal unit display screen as the critical piece of infrared touch frame.
Launch scanning circuit 602 to be connected with primary processor 601, for driving infrared under the control of primary processor 601
Penetrate the infrared transmitting tube in pipe matrix 604 and launch infrared ray；Receive scanning circuit 603 to be connected with primary processor 601, for leading
The infrared receiving tube receiving infrared-ray controlled in lower driving infrared receiving tube matrix 605 of processor 601；Sample circuit 606 points
It is not connected with infrared receiving tube matrix 605 and primary processor 601, under the control of primary processor 601, according to time default
Between be spaced the infrared ray to receiving in infrared receiving tube matrix 605 and sample, and sampled signal is sent to primary processor
601 determine whether receive the touch control operation of user and determine the operating position of user for primary processor 601.
Master control system and infrared touch frame are controlled by the terminal unit shown in Fig. 9 by primary processor 601.Fig. 9 institute
Show that the primary processor 601 in terminal unit is as performing to determine that the execution unit in the dirty region of infrared touch frame is to perform above-mentioned reality
Executing the method described in example one to embodiment three, specific implementation process sees embodiment one to embodiment three and repeats no more.
Figure 10 is the structural representation that the embodiment of the present invention determines the processing means in the dirty region of infrared touch frame.Figure 10 institute
The processing means shown can be applied in the terminal unit shown in Fig. 2 and Fig. 9 as primary processor.As shown in Figure 10, this process
Device 700, its structure comprises the steps that at least one processor (processor) 701, internal memory (memory) 702, ancillary equipment connect
Mouthful (peripheral interface) 703, input/output subsystem (I/Osubsystem) 704, power circuit 705 and logical
Letter circuit 706.
In Fig. 10, arrow represents the communication between the element that can carry out computer system and data transmission, and it can
Utilize high-speed serial bus (high-speed serial bus), parallel bus (paral lelbus), storage area network
(SAN, Storage Area Network) and/or other suitable communication technologys and realize.
Internal memory 702 can include operating system 712 and determine dirty Region control routine 722.Such as, internal memory 702 can include
High-speed random access memory (high-speed random access memory), disk, static RAM
(SPAM), dynamic random access memory (DRAM), read only memory (ROM), flash memory or non-voltile memory.Internal memory 702 can
Storage is for operating system 712 and the program coding determining dirty Region control routine 722, say, that can include that counter infrared ray is believed
Software module, instruction set architecture or the multiple data outside it needed for the action of number device 700.Now, processor 701 or outer
Peripheral equipment interface 706 other controllers such as grade can be controlled by processor 701 with the access of internal memory 702.
Peripheral interface 703 can be by the input of counter infrared ray advertiser 700 and/or output ancillary equipment and processor
701 and internal memory 702 combine.Further, input/output subsystem 704 can be by multiple input/output ancillary equipment and ancillary equipment
Interface 706 combines.Such as, input/output subsystem 704 can include display, keyboard, mouse, printer or as required
For the controller that the ancillary equipment such as photographing unit, various sensors is combined with peripheral interface 703.Concrete, defeated
Enter/output subsystem 704 includes for infrared touch-control radiating circuit and infrared touch-control are received circuit and peripheral interface
703 controllers combined.According to another side, input/output periphery also can without input/output subsystem 704 with
Peripheral interface 703 combines, and the most infrared touch-control radiating circuit and infrared touch-control receive circuit also can be without input/output
Subsystem 704 and combine with peripheral interface 703.
Power circuit 705 can completely or partially supply electric power to the component of terminal unit.Such as, power circuit
705 can include such as electric power management system, battery or the exchange more than one power supply of (AC), charging system, power failure monitor
Circuit (power fai luredetection circuit), power converter or inverter, power state marker character or be used for
Other components any that electric power generates, manages, distributes.
Communication line 706 can utilize at least one interface to communicate with other computer systems, as with remote pilot system
System communicates.
Processor 701 is stored in the software module in internal memory 702 by execution or instruction set architecture can perform counter infrared ray and believe
The several functions of number countermeasure set 700 and process data.It is to say, processor 701 by perform basic arithmetic, logic with
And the input/output calculation of computer system, may be configured as processing the order of computer program.
Processor 701 is structured to perform the side in the dirty region of the infrared touch frame of determination described in said method part
Method.
The embodiment of Figure 10 is only an example of processing means 700, and processing means 700 can have following structure or join
Put: omit the partial circuit element shown in Figure 10, or be further equipped with the component added not shown in Figure 10, or combine
Plural component.Such as, for the computer system of communication terminal of mobile environment except the circuit shown in Figure 10
Outside element, also can farther include sensor etc., and may also comprise for communication in communication line 706
The circuit of the RF communication of (WiFi, 6G, LTE, Bluetooth, NFC, Zigbee etc.).Can be included in counter infrared ray signal disturbing device
Component in 700 can by include integrated circuit that more than one signal processing or application program are becomed privileged hardware,
Software or hardware and software a combination of both and realize.
The counter infrared ray signal disturbing device 700 of above-mentioned composition controls infrared touch-control radiating circuit and launches infrared ray, and is in
Detecting the duty of user action in real time, this device also determines that whether receive remote control signal in terminal unit, and
When determining that terminal unit receives remote control signal, suspend infrared touch-control radiating circuit transmitting infrared ray or minimizing is launched red
The number of the infrared transmitting tube of outside line, such that it is able to avoid or reduce infrared signal to subsequently received remote control signal
Interference.
For convenience of description, it is divided into various unit to be respectively described with function when describing apparatus above.Certainly, this is being implemented
The function of each unit can be realized in same or multiple softwares and/or hardware during invention.
Each embodiment in this specification all uses the mode gone forward one by one to describe, identical similar portion between each embodiment
Dividing and see mutually, what each embodiment stressed is the difference with other embodiments.Especially for device or
For system embodiment, owing to it is substantially similar to embodiment of the method, so describing fairly simple, relevant part sees method
The part of embodiment illustrates.Apparatus and system embodiment described above is only schematically, wherein as separating
The unit of part description can be or may not be physically separate, and the parts shown as unit can be or also
Can not be physical location, i.e. may be located at a place, or can also be distributed on multiple NE.Can be according to reality
The needing of border selects some or all of module therein to realize the purpose of the present embodiment scheme.
Those of ordinary skill in the art, in the case of not paying creative work, are i.e. appreciated that and implement.Below only
It is the detailed description of the invention of the present invention, it is noted that for those skilled in the art, without departing from this
On the premise of bright principle, it is also possible to make some improvements and modifications, these improvements and modifications also should be regarded as the protection model of the present invention
Enclose.
Claims (10)
1. the method determining the dirty region of infrared touch frame, it is characterised in that including:
When there is no user's touch, obtain the infrared touching signals parameter value of each light path in infrared touch frame；
The infrared touching signals parameter value of each light path described is compared with reference value set in advance, determines described respectively
The signal parameter changing value of each light path；
Determine whether the signal parameter changing value of each light path described exceedes first threshold respectively；
When the signal parameter changing value of an at least light path exceedes first threshold, determine that signal parameter changing value is more than first
Infrared touch frame region corresponding to the light path of threshold value is dirty region.
Method the most according to claim 1, it is characterised in that when not having user's touch, obtains infrared touch frame
In the infrared touching signals parameter value of each light path, including:
When there is no user's touch, obtain the transmitting power of each infrared transmitting tube in infrared touch frame, wherein, with described
Signal voltage value in the infrared receiving tube that each infrared transmitting tube is corresponding respectively is equal to the first setting value.
Method the most according to claim 1, it is characterised in that when not having user's touch, obtains infrared touch frame
In the infrared touching signals parameter value of each light path, including:
When there is no user's touch, obtain the signal voltage value in each infrared receiving tube in infrared touch frame, wherein, with
The transmitting power of the infrared infrared transmitting tube that each infrared receiving tube described is corresponding respectively is equal to the second setting value.
The most according to the method in any one of claims 1 to 3, it is characterised in that described determine signal parameter changing value surpass
Crossing after the infrared touch frame region corresponding to the light path of first threshold is dirty region, described method also includes:
Display to the user that the information for pointing out the dirty region of touch frame.
Method the most according to claim 4, it is characterised in that described in display to the user that for pointing out touch frame dirty region
Information, including:
Statistical signal parameter value exceedes the total number of light path of first threshold；
When the total number of light path that signal parameter value exceedes first threshold exceedes Second Threshold, display to the user that for pointing out touch-control
The information in the dirty region of frame.
Method the most according to claim 4, it is characterised in that described in display to the user that for pointing out touch frame dirty region
Information, including:
Statistical signal parameter value exceedes in the light path of first threshold whether have the optical path area comprising multiple continuous distribution light paths；
When there being at least one described optical path area, determine whether the light path number that at least one optical path area described is comprised surpasses
Cross the 3rd threshold value；
When the light path number comprised when the one or more regions at least one optical path area described is more than three threshold values, to
User shows for pointing out the light path number information more than the optical path area of the 3rd threshold value.
7. the device determining the dirty region of infrared touch frame, it is characterised in that including: processor, memorizer connect with communicating
Mouthful, described processor, described memorizer are connected with described communication interface communication bus；
Described communication interface, is used for receiving infrared touching signals parameter value；
Described memorizer, is used for storing program code；
Described processor, for reading the program code of storage in described memorizer, and performs as arbitrary in claim 1 to 6
Method described in Xiang.
8. a terminal unit, it is characterised in that including: device as claimed in claim 7, also includes: Micro-processor MCV and
Infrared touch frame；
Described MCU is connected with the device described in described infrared touch frame and claim 7 respectively；
Described MCU, for when not having user's touch, obtains the infrared touching signals of each light path from infrared touch frame
Parameter value is also sent to the device described in claim 7.
Terminal unit the most according to claim 8, it is characterised in that MCU obtains each light path from infrared touch frame
Infrared touching signals parameter value, including performing:
MCU obtains infrared touching signals from infrared touch frame；
MCU has determined whether user's touch control operation according to described infrared touching signals；
When not having user's touch control operation, MCU obtains the infrared touching signals parameter value of each light path.
10. a terminal unit, it is characterised in that including: device as claimed in claim 7, also includes: infrared touch frame；
Device described in claim 7 is connected with infrared touch frame.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610644973.8A CN106293271A (en) | 2016-08-08 | 2016-08-08 | Determine the method in the dirty region of infrared touch frame, device and terminal unit |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610644973.8A CN106293271A (en) | 2016-08-08 | 2016-08-08 | Determine the method in the dirty region of infrared touch frame, device and terminal unit |
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| CN106293271A true CN106293271A (en) | 2017-01-04 |
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| CN108600739A (en) * | 2018-04-27 | 2018-09-28 | 长安大学 | A kind of camera lens dust detection and method |
| CN111061396A (en) * | 2019-12-13 | 2020-04-24 | 深圳市康冠商用科技有限公司 | Infrared touch background value configuration method and device, electronic equipment and storage medium |
| CN113835653A (en) * | 2021-08-27 | 2021-12-24 | 无锡睿米信息技术有限公司 | Interface display control method and device, electronic equipment and storage medium |
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Application publication date: 20170104 |