CN107193416A - The state identification method and device of a kind of touch object - Google Patents
The state identification method and device of a kind of touch object Download PDFInfo
- Publication number
- CN107193416A CN107193416A CN201710357441.0A CN201710357441A CN107193416A CN 107193416 A CN107193416 A CN 107193416A CN 201710357441 A CN201710357441 A CN 201710357441A CN 107193416 A CN107193416 A CN 107193416A
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- China
- Prior art keywords
- infrared light
- photo
- touch object
- light
- touch
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Classifications
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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
- G06F3/0416—Control or interface arrangements specially adapted for digitisers
- G06F3/04162—Control or interface arrangements specially adapted for digitisers for exchanging data with external devices, e.g. smart pens, via the digitiser sensing hardware
-
- 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
- G06F3/0416—Control or interface arrangements specially adapted for digitisers
-
- 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 invention discloses a kind of state identification method of touch object and device.This method includes：Launch mutually perpendicular first infrared light and the second infrared light to carry out touch control detection；The direction of the touch object is confirmed according to the light-intensity difference of first infrared light and the second infrared light received；The touch object includes transparent nib, and the transparent nib outside is provided with two the first photo-shield strips being oppositely arranged and two the second photo-shield strips being oppositely arranged, and the light transmittance of first photo-shield strip and the second photo-shield strip is different.After the first infrared light and the second infrared light pass through photo-shield strip the change of light intensity can occur for the method that the present invention is provided, light intensity change according to detecting can confirm that the direction of position of touch and touch object, the state recognition to touch object can quickly and easily be realized, before state recognition is carried out, without doing any setting to touch object, operating efficiency is improved, and cost is relatively low.
Description
Technical field
The present embodiments relate to infrared touch interaction technique field, more particularly to a kind of state recognition side of touch object
Method and device.
Background technology
With the development of electronic device technology, the electronic equipment with touch function is popularized.Wherein, with touch work(
The human-computer interaction device of energy, such as electronic whiteboard is widely used in the scene such as teaching and meeting.
In current interactive system, in order to more easily be operated to interactive device, generally by smart pen
In be provided with the modules such as sensor and wireless launcher, when in use, smart pen and interactive device are set up and are connected, by wirelessly sending out
The state for the smart pen that emitter detects sensor is sent to interactive device, and interactive device is according to the shape of the smart pen received
State is operated accordingly.
However, smart pen necessary install sensor, wireless launcher and battery etc., cost is higher, and when in use, it is necessary to
First set up and be connected and when electricity is relatively low with interactive device, need to be charged or change battery, it is cumbersome, reduce user's body
Test.
The content of the invention
The present invention provides a kind of state identification method and device of touch object, to realize the cost of reduction identification, and should
Recognition methods is simple and convenient, convenient for the user to operate.
In a first aspect, the embodiments of the invention provide a kind of state identification method of touch object, this method includes：
Launch mutually perpendicular first infrared light and the second infrared light to carry out touch control detection；
The court of the touch object is confirmed according to the light-intensity difference of first infrared light and the second infrared light received
To；
The touch object includes transparent nib, and the transparent nib outside is provided with two the first shadings being oppositely arranged
The second photo-shield strip that band and two are oppositely arranged, the light transmittance of first photo-shield strip and the second photo-shield strip is different.
Second aspect, the embodiment of the present invention additionally provides a kind of status identification means of touch object, and the device includes：
Touch control detection module, for launching mutually perpendicular first infrared light and the second infrared light to carry out touch control detection；
Towards module is confirmed, for being confirmed according to first infrared light and the light-intensity difference of the second infrared light that receive
The direction of the touch object；
The touch object includes transparent nib, and the transparent nib outside is provided with two the first shadings being oppositely arranged
The second photo-shield strip that band and two are oppositely arranged, the light transmittance of first photo-shield strip and the second photo-shield strip is different.
The present invention is by launching mutually perpendicular first infrared light and the second infrared light to carry out touch control detection；According to reception
The first infrared light and the light-intensity difference of the second infrared light that arrive confirm the direction of touch object, wherein, touch object includes transparent
Nib, transparent nib outside is provided with two the first photo-shield strips being oppositely arranged and two the second photo-shield strips being oppositely arranged, the
After passing through photo-shield strip light can occur for the light transmittance difference of one photo-shield strip and the second photo-shield strip, the first infrared light and the second infrared light
Strong change, the direction of position of touch and touch object is can confirm that according to the light intensity change detected, can be quickly and easily
The state recognition to touch object is realized, before state recognition is carried out, without doing any setting to touch object, operation effect is improved
Rate, and cost is relatively low.
Brief description of the drawings
Fig. 1 is a kind of flow chart of the state identification method of touch object in the embodiment of the present invention one；
Fig. 2 is the structural representation of the touch object in the embodiment of the present invention one；
Fig. 3 is the transparent written structural representation in the embodiment of the present invention one；
Fig. 4 is a kind of flow chart of the state identification method of touch object in the embodiment of the present invention two；
Fig. 5 is transparent written towards schematic diagram in the embodiment of the present invention two；
Fig. 6 is transparent written towards schematic diagram in the embodiment of the present invention two；
Fig. 7 is a kind of structured flowchart of the status identification means of touch object in the embodiment of the present invention one.
Embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining the present invention, rather than limitation of the invention.It also should be noted that, in order to just
Part related to the present invention rather than entire infrastructure are illustrate only in description, accompanying drawing.
Embodiment one
Fig. 1 is a kind of flow chart of the state identification method for touch object that the embodiment of the present invention one is provided, the present embodiment
Be applicable to situation about the state of touch object need to be identified, this method can by the status identification means of touch object Lai
Perform, the device can be realized by software and/or hardware.This method specifically includes following steps：
Step 110, launch mutually perpendicular first infrared light and the second infrared light to carry out touch control detection.
Exemplary, mutually perpendicular first infrared light and the second infrared light can be set in horizontal direction and vertical direction
Infrared transmitting tube transmitting.Circuit board housing is such as housed on the touch-screen for touching electronic equipment, is equipped with circuit board housing
Densely covered infrared transmitting tube and infrared receiving tube, is detected simultaneously by the infrared ray matrix gathered in horizontal direction and vertical direction
Position touch object.When touch object carries out touch control operation on the touchscreen, the horizontal direction of the position and vertical side can be stopped
Two infrared rays of upward infrared transmitting tube transmitting, change infrared receiving tube in the horizontal direction and vertical direction of the position and receive
Light intensity, then can detect touch object and determine its position of touch.
The light-intensity difference of step 120, the first infrared light that basis is received and the second infrared light confirms the court of touch object
To.
Wherein, the state of touch object includes the direction of touch object.
Touch object includes transparent nib, and transparent nib outside is provided with two the first photo-shield strips being oppositely arranged and two
The light transmittance of the second photo-shield strip being oppositely arranged, the first photo-shield strip and the second photo-shield strip is different.
Fig. 2 is a kind of schematic diagram of optional touch object provided in an embodiment of the present invention.Referring to Fig. 2, touch object by
Transparent written 210 and a body 220 constitute, wherein transparent written 210 are made up of transparent material, such as transparent glass, plastics,
Transparent written 210 outside is provided with two the first photo-shield strips being oppositely arranged and two the second photo-shield strips being oppositely arranged, the
The light transmittance of one photo-shield strip and the second photo-shield strip is different.
Fig. 3 is a kind of optional transparent written structural representation provided in an embodiment of the present invention.Referring to Fig. 3, institute in Fig. 3
Be shown as transparent for the front view of nib, it is transparent it is written be shaped as circle, transparent written outside is divided into four regions, wherein,
Region between region and point P3 and point P4 between point P1 and point P2 constitutes two the first photo-shield strips being oppositely arranged, point P1
Region between region and point P2 and point P3 between point P4 constitutes two the second photo-shield strips being oppositely arranged, and can pass through
In the first photo-shield strip and the light transmittance for causing the first photo-shield strip and the second photo-shield strip on the second photo-shield strip covered with different coating
Difference, then can be on the first photo-shield strip covered with black if the light transmittance of the first photo-shield strip is more than the light transmittance of the second photo-shield strip
Other color paints covered with permeable part infrared light on color coating, the second photo-shield strip, and for example can be on the first photo-shield strip
Covered with thicker blacking, covered with sparse blacking on the second photo-shield strip, so that the first photo-shield strip and
The light transmittance of two photo-shield strips is different.
Optionally, transparent written shape can be other shapes, and such as clear pen head shapes are rectangle, then transparent written side
Face includes four surfaces of rectangle, and the surface of two of which opposition constitutes the first photo-shield strip, and the surface of two other opposition is constituted
Second photo-shield strip.
Different light transmittances are had from the second photo-shield strip based on transparent the first written photo-shield strip, then touch object is touched
During control operation, launch after mutually perpendicular first infrared light and the second infrared light, the first infrared light and the second infrared light are by saturating
The light intensity of the first infrared light received in bright nib, two mutually perpendicular directions and the light intensity of the second infrared light are then different,
According to the difference of the light intensity received, you can confirm the direction of touch object.
It is exemplary, can by count touch object it is different towards when, the light intensity of the first infrared light received is with connecing
The light intensity of the second infrared light received, so that in touch control detection, according to the light intensity of the first infrared light received with receiving
The difference of light intensity of the second infrared light determine the different directions of touch object.First direction is in position as shown in using Fig. 3, i.e.,
Two the first photo-shield strips are first direction when vertical relative, when by first direction successively along clockwise or counterclockwise with predetermined angle
Interval rotation, until rotation to two the first photo-shield strips are that level is relative, is followed successively by second direction ..., the (n-1)th direction, the n-th side
To, it is relative vertically to two the first photo-shield strips up to rotating again when being rotated successively with predetermined angle interval by the n-th direction,
It is followed successively by the (n-1)th direction ..., second direction, first direction.Then count touch object respectively is oriented first direction to n-th
During direction, the received on the light intensity A1 of the first infrared light that correspondence is received in horizontal direction to An, and vertical direction
The light intensity B1 to Bn of two infrared lights, then when touch object carries out touch control operation, if the first infrared light that horizontal direction is received
Light intensity be in the range of 0-A1 and or the light intensity of the second infrared light that receives of vertical direction be in the range of 0-B1, to determine touch-control
Object is oriented first direction, if the light intensity of the first infrared light that horizontal direction is received be in the range of A1-A2 and or it is vertical
The light intensity for the second infrared light that direction is received is that determine touch object is oriented second direction, with such in the range of B1-B2
Push away, if the light intensity for the first infrared light that horizontal direction is received be An-1-An in the range of and or vertical direction receive second
The light intensity of infrared light is that determine touch object is oriented the n-th direction in the range of Bn-1-Bn.It is achieved in, touch object state
Identification.
After the state for recognizing touch object, the state of touch object can be preserved in real time, and then according to the difference of touch object
State realizes different operations.The handwriting trace that touch object can be such as oriented according to the difference of touch object distributes different books
Color is write, if touch object is oriented first direction, then black is distributed for it, if touch object is oriented second direction,
It is red for its distribution；The behaviour such as recording, broadcasting, pause and the stopping of videos are and for example controlled towards realization by the difference of touch object
Make, or pass through the different towards operations such as amplification, diminution and page turnings for realizing the control page of touch object.Thus, user passes through
When touch object carries out touch control operation, it is only necessary to rotate touch object to different directions, you can be transformed into its corresponding operation, letter
Folk prescription is just.
It should be noted that it will be appreciated by persons skilled in the art that the detection of light intensity can be converted into other specification
Detection to confirm the direction of touch object.Magnitude of voltage is converted to as light intensity value will be received, so that according to the voltage received
The direction of the different confirmation touch object of value difference, and then recognize the state of touch object.
The embodiment of the present invention is by launching mutually perpendicular first infrared light and the second infrared light to carry out touch control detection；Root
Confirm the direction of touch object according to the light-intensity difference of the first infrared light and the second infrared light received, wherein, touch object bag
Transparent nib is included, transparent nib outside is provided with two the first photo-shield strips being oppositely arranged and two the second shadings being oppositely arranged
The light transmittance of band, the first photo-shield strip and the second photo-shield strip is different, and the first infrared light and the second infrared light pass through meeting after photo-shield strip
Occur the change of light intensity, the direction of position of touch and touch object is can confirm that according to the light intensity change detected, can be quick
The state recognition to touch object is easily realized, before state recognition is carried out, without doing any setting to touch object, is improved
Operating efficiency, and cost is relatively low.
Embodiment two
Fig. 4 is a kind of flow chart of the state identification method for touch object that the embodiment of the present invention two is provided, the present embodiment
Further to optimize on the basis of above-described embodiment.The method that the present embodiment is provided, specifically includes following steps：
Step 310, launch mutually perpendicular first infrared light and the second infrared light to carry out touch control detection.
The light-intensity difference of step 320, the first infrared light that basis is received and the second infrared light confirms the court of touch object
To.
Wherein, touch object includes transparent nib, and transparent nib outside is provided with two the first photo-shield strips being oppositely arranged
With two the second photo-shield strips being oppositely arranged, the light transmittance of the first photo-shield strip and the second photo-shield strip is different.
It is preferred that, if the light intensity of the first infrared light received is less than the light intensity of the second infrared light received, confirm
Touch object is towards first direction；Otherwise confirm touch object towards second direction；
Wherein, the state of touch object includes touch object direction, and touch object is towards including first direction and second party
To.
Fig. 5 and Fig. 6 are different towards schematic diagram for transparent written two kinds provided in an embodiment of the present invention.Exemplary, the
The light transmittance of one photo-shield strip is less than the light transmittance of the second photo-shield strip, the first infrared light and the second infrared light respectively from horizontal direction and
Launch on vertical direction, when touch object carries out touch control operation, if the area of the first photo-shield strip is more than second in horizontal direction
The area of photo-shield strip, by taking the transparent written direction shown in Fig. 5 as an example, then the first infrared light launched in horizontal direction passes through
The permeable infrared light of one photo-shield strip less than the second infrared light launched on vertical direction by the second photo-shield strip can pass through it is red
Outer light, therefore, the light intensity of the first infrared light received in horizontal direction is less than the second infrared light received on vertical direction
Light intensity, confirm touch object be oriented first direction, otherwise, in horizontal direction the area of the first photo-shield strip be more than the second shading
The area of band, by taking the transparent written direction shown in Fig. 6 as an example, then the light intensity of the first infrared light received in horizontal direction is higher than
The light intensity of the second infrared light received on vertical direction, confirms that touch object is oriented second direction.Hereby it is achieved that according to reception
The first infrared light and the light-intensity difference of the second infrared light that arrive confirm the direction of touch object.
It should be noted that touch object direction may also include other directions in addition to first direction and second direction.Example
Property, if within a preset time interval, detecting the light intensity difference of the first infrared light received and the second infrared light received
The change of different generation preset rules, transparent as shown in Fig. 6 written is oriented reference position, the light transmittance of the first photo-shield strip
Less than the light transmittance of the second photo-shield strip, if within a preset time interval, user turns clockwise touch object from reference position
360 degree, then within a preset time interval, the light intensity for the first infrared light that horizontal direction is received can be detected successively less than vertical
The light intensity for the first infrared light that light intensity, the horizontal direction for the second infrared light that direction is received are received is received higher than vertical direction
To the second infrared light light intensity and the horizontal direction light intensity of the first infrared light that receives received less than vertical direction
The light intensity of second infrared light, then can confirm that touch object is oriented third direction.
It is preferred that, the light transmittance of the first photo-shield strip is 0, and the light transmittance of the second photo-shield strip is 30-60%.To realize touch-control position
The accurate detection put, the light transmittance of the second photo-shield strip can not get too close to 100%, in order to avoid through the infrared light of the second photo-shield strip
Decay can not be detected, so as to can not position；The light transmittance of the first photo-shield strip can not be got too close to simultaneously, in order to avoid cause to pass through the
The attenuation degree of the infrared light of one photo-shield strip and the second photo-shield strip is close, it is impossible to recognize the direction of photo-shield strip (touch object).
Step 330, the response modes to the touch trajectory of touch object are confirmed according to the direction of touch object.
It is preferred that, after the direction for recognizing touch object, different according to touch object are touched towards confirmation to touch object
The response modes of track are controlled, the different conversions towards control response pattern by touch object are realized.
Exemplary, response modes include the black mode and red pattern of writing color.As user passes through touch object
On touch-screen on the electronic equipment such as electronic whiteboard or flat board carry out touch control operation when, then touch object barrier level direction and
The light that corresponding infrared receiving tube is received in the infrared light that infrared transmitting tube is launched on vertical direction, horizontal direction and vertical direction
Change by force, so that the position of touch of touch object is detected, while by corresponding red in horizontal direction and vertical direction
The light-intensity difference that outer reception pipe is received identifies the direction of touch object, if touch object is oriented first direction, touch control object
The writing color of the touch trajectory of body is black, if touch object is oriented second direction, the touch trajectory of touch object
It is red to write color.
It is preferred that, response modes include write mode and erasing mode.If touch object is oriented first direction, then right
The response modes of touch trajectory are write mode, if touch object is oriented second direction, to the response modes of touch trajectory
For erasing mode.In teaching or conference scenario, user only needs rotation touch object to different directions, you can realize response modes
Switching, it is convenient and swift, and using it is preceding without by touch object be configured or with electronic equipment be attached wait operation, grasp
Make simple, improve Consumer's Experience.
The embodiment of the present invention, can by light intensity and the light-intensity difference of the second infrared light according to the first infrared light received
It is quick to confirm touch object direction, and the response modes to the touch trajectory of touch object are confirmed according to the direction of touch object,
And then user only needs to rotate touch object, you can realize the conversion of the response modes to the touch trajectory of touch object, operation letter
It is single, it is user-friendly, improve Consumer's Experience.
Embodiment three
Fig. 7 is a kind of structural representation of the status identification means for touch object that the embodiment of the present invention three is provided.Referring to
Fig. 7, the device includes：Touch control detection module 410 and towards confirm module 420, wherein,
Touch control detection module 410, for launching mutually perpendicular first infrared light and the second infrared light to carry out touch-control inspection
Survey；
Towards module 420 is confirmed, for according to first infrared light and the light-intensity difference of the second infrared light received
Confirm the direction of the touch object；
The touch object includes transparent nib, and the transparent nib outside is provided with two the first shadings being oppositely arranged
The second photo-shield strip that band and two are oppositely arranged, the light transmittance of first photo-shield strip and the second photo-shield strip is different.
In such scheme, optionally, in addition to：Response confirmation module, it is true for the direction according to the touch object
Recognize the response modes of the touch trajectory to the touch object.
In such scheme, optionally, the direction confirms module, specifically for：
If the light intensity of first infrared light received is less than the light intensity of the second infrared light received, confirm described
Touch object is towards first direction；Otherwise confirm the touch object towards second direction.
In such scheme, optionally, the response modes include write mode and erasing mode.
In such scheme, optionally, the light transmittance of first photo-shield strip is 0, the light transmittance of second photo-shield strip
For 30-60%.
Said apparatus can perform the method that the embodiment of the present invention one and embodiment two are provided, and possess execution above method phase
The functional module and beneficial effect answered.Not ins and outs of detailed description in the present embodiment, reference can be made to the embodiment of the present invention one
The method provided with embodiment two.
Note, above are only presently preferred embodiments of the present invention and institute's application technology principle.It will be appreciated by those skilled in the art that
The invention is not restricted to specific embodiment described here, can carry out for a person skilled in the art it is various it is obvious change,
Readjust and substitute without departing from protection scope of the present invention.Therefore, although the present invention is carried out by above example
It is described in further detail, but the present invention is not limited only to above example, without departing from the inventive concept, also
Other more equivalent embodiments can be included, and the scope of the present invention is determined by scope of the appended claims.
Claims (10)
1. a kind of state identification method of touch object, it is characterised in that including：
Launch mutually perpendicular first infrared light and the second infrared light to carry out touch control detection；
The direction of the touch object is confirmed according to the light-intensity difference of first infrared light and the second infrared light received；
The touch object include transparent nib, it is described it is transparent nib outside be provided with two the first photo-shield strips being oppositely arranged and
Two the second photo-shield strips for being oppositely arranged, the light transmittance of first photo-shield strip and the second photo-shield strip is different.
2. according to the method described in claim 1, it is characterised in that first infrared light and second that the basis is received
After the direction of the light-intensity difference confirmation touch object of infrared light, in addition to：
Response modes to the touch trajectory of the touch object are confirmed according to the direction of the touch object.
3. according to the method described in claim 1, it is characterised in that first infrared light and second that the basis is received
The light-intensity difference of infrared light confirms the direction of the touch object, is specially：
If the light intensity of first infrared light received is less than the light intensity of the second infrared light received, the touch-control is confirmed
Object is towards first direction；Otherwise confirm the touch object towards second direction.
4. method according to claim 2, it is characterised in that the response modes include write mode and erasing mode.
5. according to the method described in claim 1, it is characterised in that the light transmittance of first photo-shield strip is 0, described second hides
The light transmittance of light belt is 30-60%.
6. a kind of status identification means of touch object, it is characterised in that including：
Touch control detection module, for launching mutually perpendicular first infrared light and the second infrared light to carry out touch control detection；
It is described for being confirmed according to first infrared light and the light-intensity difference of the second infrared light that receive towards module is confirmed
The direction of touch object；
The touch object include transparent nib, it is described it is transparent nib outside be provided with two the first photo-shield strips being oppositely arranged and
Two the second photo-shield strips for being oppositely arranged, the light transmittance of first photo-shield strip and the second photo-shield strip is different.
7. device according to claim 6, it is characterised in that also include：Response confirmation module, for according to the touch-control
The direction of object confirms the response modes to the touch trajectory of the touch object.
8. device according to claim 6, it is characterised in that the direction confirms module, specifically for：
If the light intensity of first infrared light received is less than the light intensity of the second infrared light received, the touch-control is confirmed
Object is towards first direction；Otherwise confirm the touch object towards second direction.
9. device according to claim 7, it is characterised in that the response modes include write mode and erasing mode.
10. device according to claim 6, it is characterised in that the light transmittance of first photo-shield strip is 0, described second
The light transmittance of photo-shield strip is 30-60%.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710357441.0A CN107193416B (en) | 2017-05-19 | 2017-05-19 | A kind of state identification method and device of touch object |
| PCT/CN2017/103258 WO2018209858A1 (en) | 2017-05-19 | 2017-09-25 | State recognition method and device for touch object |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710357441.0A CN107193416B (en) | 2017-05-19 | 2017-05-19 | A kind of state identification method and device of touch object |
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| CN107193416A true CN107193416A (en) | 2017-09-22 |
| CN107193416B CN107193416B (en) | 2019-11-05 |
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| CN201710357441.0A Active CN107193416B (en) | 2017-05-19 | 2017-05-19 | A kind of state identification method and device of touch object |
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| WO (1) | WO2018209858A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107678602A (en) * | 2017-10-18 | 2018-02-09 | 京东方科技集团股份有限公司 | Infrared touch module and touch control display apparatus |
| WO2018209858A1 (en) * | 2017-05-19 | 2018-11-22 | 广州视源电子科技股份有限公司 | State recognition method and device for touch object |
| CN109032432A (en) * | 2018-07-17 | 2018-12-18 | 深圳市天英联合教育股份有限公司 | A kind of method, apparatus and terminal device of lettering pen category identification |
| CN111813275A (en) * | 2020-06-30 | 2020-10-23 | 厦门天马微电子有限公司 | Display screen, control method and control device of display screen and electronic equipment |
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Also Published As
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| CN107193416B (en) | 2019-11-05 |
| WO2018209858A1 (en) | 2018-11-22 |
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