CN107193416B - State identification method and device for touch object - Google Patents
State identification method and device for touch object Download PDFInfo
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- CN107193416B CN107193416B CN201710357441.0A CN201710357441A CN107193416B CN 107193416 B CN107193416 B CN 107193416B CN 201710357441 A CN201710357441 A CN 201710357441A CN 107193416 B CN107193416 B CN 107193416B
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- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000002834 transmittance Methods 0.000 claims abstract description 30
- 238000001514 detection method Methods 0.000 claims abstract description 16
- 238000012790 confirmation Methods 0.000 claims description 22
- 230000004044 response Effects 0.000 claims description 18
- 238000010586 diagram Methods 0.000 description 9
- 230000002452 interceptive effect Effects 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000009500 colour coating Methods 0.000 description 1
- 230000023077 detection of light stimulus Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000011982 device technology Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
- 238000007514 turning Methods 0.000 description 1
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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Position Input By Displaying (AREA)
Abstract
The invention discloses a method and a device for identifying the state of a touch object. The method comprises the following steps: emitting first infrared light and second infrared light which are perpendicular to each other to perform touch detection; confirming the orientation of the touch object according to the received light intensity difference of the first infrared light and the second infrared light; the touch object comprises a transparent pen point, two first shading strips arranged oppositely and two second shading strips arranged oppositely are arranged on the outer side of the transparent pen point, and the light transmittance of the first shading strips is different from that of the second shading strips. According to the method provided by the invention, the light intensity changes after the first infrared light and the second infrared light pass through the shading band, the touch position and the orientation of the touch object can be confirmed according to the detected light intensity changes, the state identification of the touch object can be quickly and simply realized, no setting needs to be carried out on the touch object before the state identification is carried out, the operation efficiency is improved, and the cost is lower.
Description
Technical field
The present embodiments relate to infrared touch interaction technique field more particularly to a kind of state recognition sides of touch object
Method and device.
Background technique
With the development of electronic device technology, the electronic equipment with touch function is popularized.Wherein, have and touch function
The human-computer interaction device of energy, such as electronic whiteboard are widely used in the scenes such as teaching and meeting.
In current interactive system, interactive device is operated in order to more convenient, generally by smart pen
In be provided with the modules such as sensor and wireless transmitter, when in use, smart pen and interactive device establish connection, by wirelessly sending out
The state for the smart pen that sensor detects is sent to interactive device by emitter, and interactive device is according to the shape of the smart pen received
State carries out corresponding operation.
However, smart pen must install sensor, wireless transmitter and battery etc., higher cost, and when in use, it is necessary to
First establishes connection with interactive device and when electricity is lower, need to be charged or be replaced battery, it is cumbersome, reduce user's body
It tests.
Summary of the invention
The present invention provides the state identification method and device of a kind of touch object, to realize the cost for reducing identification, and should
Recognition methods is simple and convenient, convenient for the user to operate.
In a first aspect, the embodiment of the invention provides a kind of state identification methods of touch object, this method comprises:
Emit 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 that receive
To；
The touch object includes transparent nib, and the transparent nib outside is provided with two the first shadings being oppositely arranged
The light transmittance of band and two the second photo-shield strips being oppositely arranged, first photo-shield strip and the second photo-shield strip is different.
Second aspect, the embodiment of the invention also provides a kind of status identification means of touch object, which includes:
Touch control detection module, for emitting mutually perpendicular first infrared light and the second infrared light to carry out touch control detection；
Towards confirmation module, for the light-intensity difference confirmation according to first infrared light and the second infrared light received
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 light transmittance of band and two the second photo-shield strips being oppositely arranged, first photo-shield strip and the second photo-shield strip is different.
The present invention is by emitting mutually perpendicular first infrared light and the second infrared light to carry out touch control detection；According to reception
The direction of the light-intensity difference confirmation touch object of the first infrared light and the second infrared light that arrive, wherein touch object includes transparent
Nib, transparent nib outside are provided with the first photo-shield strip that two are oppositely arranged and the second photo-shield strip that two are oppositely arranged, the
The light transmittance of one photo-shield strip and the second photo-shield strip is different, and the first infrared light and the second infrared light pass through photo-shield strip and light can occur later
The direction of position of touch and touch object can be confirmed according to the light intensity variation detected for strong variation, can be quickly and easily
It realizes the state recognition to touch object, before carrying out state recognition, without doing any setting to touch object, improves operation effect
Rate, and cost is relatively low.
Detailed description of the invention
Fig. 1 is the flow chart of the state identification method of one of the embodiment of the present invention one touch object；
Fig. 2 is the structural schematic diagram of the touch object in the embodiment of the present invention one；
Fig. 3 is the structural schematic diagram of the transparent nib in the embodiment of the present invention one；
Fig. 4 is the flow chart of the state identification method of one of the embodiment of the present invention two touch object；
Fig. 5 is the transparent nib in the embodiment of the present invention two towards schematic diagram；
Fig. 6 is the transparent nib in the embodiment of the present invention two towards schematic diagram；
Fig. 7 is the structural block diagram of the status identification means of one of the embodiment of the present invention one touch object.
Specific 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 limiting the invention.It also should be noted that in order to just
Only the parts related to the present invention are shown in description, attached drawing rather than entire infrastructure.
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 provides, the present embodiment
Be applicable to the case where need to identifying to the state of touch object, this method can by the status identification means of touch object Lai
It executes, which can be implemented by software and/or hardware.This method specifically comprises the following steps:
Step 110, mutually perpendicular first infrared light of transmitting and the second infrared light are to carry out touch control detection.
Illustratively, mutually perpendicular first infrared light and the second infrared light can be by being arranged in horizontal direction and vertical direction
Infrared transmitting tube transmitting.Circuit board outline border is such as housed on the touch screen for touching electronic equipment, is equipped on circuit board outline border
Densely covered infrared transmitting tube and infrared receiving tube is detected simultaneously by the infrared ray matrix to gather in horizontal direction and vertical direction
Position touch object.When touch object carries out touch control operation on the touchscreen, can stop the position horizontal direction and vertical side
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 be detected touch object and determine its position of touch.
Step 120, the court that touch object is confirmed according to the light-intensity difference of the first infrared light and the second infrared light received
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 the first photo-shield strip and two that two are oppositely arranged
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 pen body 220 constitute, wherein transparent written 210 are made of transparent material, such as transparent glass, plastics,
Transparent written 210 outside is provided with the first photo-shield strip that two are oppositely arranged and the second photo-shield strip that two are 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 structural schematic diagram of optional transparent nib provided in an embodiment of the present invention.Referring to Fig. 3, institute in Fig. 3
It is shown as transparent for the front view of nib, the shape of transparent nib is circle, and the outside of transparent nib is divided into four regions, wherein
Region between region and point P3 between point P1 and point P2 and point P4 constitutes two the first photo-shield strips being oppositely arranged, point P1
Region between region and point P2 between point P4 and point P3 constitutes two the second photo-shield strips being oppositely arranged, and can pass through
The light transmittance that different coating make the first photo-shield strip and the second photo-shield strip is covered on the first photo-shield strip and the second photo-shield strip
Difference can be then covered with black if the light transmittance of the first photo-shield strip is greater than the light transmittance of the second photo-shield strip on the first photo-shield strip
Color coating is covered with other color paints of permeable part infrared light on the second photo-shield strip, for another example can be on the first photo-shield strip
It is covered with thicker blacking, sparse blacking is covered on the second photo-shield strip, to make the first photo-shield strip and
The light transmittance of two photo-shield strips is different.
Optionally, the shape of transparent nib can be other shapes, if clear pen head shapes are rectangle, the then side of transparent nib
Face includes four surfaces of rectangle, and the surface of two of them opposition constitutes the first photo-shield strip, and the surface of other two opposition is constituted
Second photo-shield strip.
The first photo-shield strip based on transparent nib has different light transmittances from the second photo-shield strip, then touch object is touched
When control operation, after emitting mutually perpendicular first infrared light and the second infrared light, the first infrared light and the second infrared light are by saturating
Bright nib, the light intensity of the first infrared light received in 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, the direction of touch object can be confirmed.
Illustratively, can by statistics touch object it is different towards when, the light intensity of the first infrared light received with connect
The light intensity of the second infrared light received, thus in touch control detection, according to the light intensity of the first infrared light received with receive
The difference of light intensity of the second infrared light determine the different directions of touch object.Such as using position shown in Fig. 3 as first direction, i.e.,
Be first direction when two the first photo-shield strips are opposite vertically, when by first direction successively along clockwise or counterclockwise with predetermined angle
Interval rotates, until rotation is followed successively by second direction ... relatively to be horizontal to two the first photo-shield strips, the (n-1)th direction, the n-th side
To, it is opposite vertically to two the first photo-shield strips up to rotating again when successively being rotated by the n-th direction with predetermined angle interval,
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
When direction, received on the light intensity A1 to An and vertical direction of corresponding the first infrared light received in horizontal direction the
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 receives
Light intensity be within the scope of 0-A1 and or the light intensity of the second infrared light that receives of vertical direction be to determine touch-control within the scope of 0-B1
Object is oriented first direction, if the light intensity for the first infrared light that horizontal direction receives be A1-A2 in and or vertically
The light intensity for the second infrared light that direction receives is within the scope of B1-B2, and determine touch object is oriented second direction, with such
Push away, if the light intensity for the first infrared light that horizontal direction receives be An-1-An in or vertical direction receive second
The light intensity of infrared light is within the scope of Bn-1-Bn, and determine touch object is oriented the n-th direction.It is achieved in, touch object state
Identification.
After the state for identifying touch object, the state of touch object can be saved in real time, and then according to the difference of touch object
State realizes different operations.Different books can be such as distributed according to the handwriting trace that the difference of touch object is oriented touch object
Color is write, if touch object is oriented first direction, then distributes black for it, if touch object is oriented second direction,
It is red for its distribution；For another example pass through the different towards behaviour such as recording, broadcasting, pause and the stoppings of realizing control video of touch object
Make, or passes through the different towards operations such as amplification, diminution and the page turnings of realizing the control page of touch object.User passes through as a result,
When touch object carries out touch control operation, it is only necessary to touch object is rotated to different directions, that is, can be switched to 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 to other parameters
Detection to confirm the direction of touch object.Light intensity value will such as be received and be converted to voltage value, thus according to the voltage received
The direction of the different confirmation touch object of value difference, and then identify the state of touch object.
The embodiment of the present invention is by emitting mutually perpendicular first infrared light and the second infrared light to carry out touch control detection；Root
According to the direction of the light-intensity difference confirmation touch object of the first infrared light and the second infrared light received, wherein touch object packet
Transparent nib is included, transparent nib outside is provided with the first photo-shield strip that two are oppositely arranged and the second shading that two are 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
The direction of position of touch and touch object can be confirmed according to the light intensity variation detected for the variation that light intensity occurs, can be quick
It easily realizes the state recognition to touch object, before carrying out state recognition, without doing any setting to touch object, improves
Operating efficiency, and cost is relatively low.
Embodiment two
Fig. 4 is a kind of flow chart of the state identification method of touch object provided by Embodiment 2 of the present invention, the present embodiment
To advanced optimize on the basis of the above embodiments.Method provided in this embodiment, specifically comprises the following steps:
Step 310, mutually perpendicular first infrared light of transmitting and the second infrared light are to carry out touch control detection.
Step 320, the court that touch object is confirmed according to the light-intensity difference of the first infrared light and the second infrared light received
To.
Wherein, touch object includes transparent nib, and transparent nib outside is provided with two the first photo-shield strips being oppositely arranged
The light transmittance of the second photo-shield strip being oppositely arranged with two, the first photo-shield strip and the second photo-shield strip is different.
Preferably, if the light intensity of the first infrared light received is lower 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 is two kinds of differences of transparent nib provided in an embodiment of the present invention towards schematic diagram.Illustratively,
The light transmittance of one photo-shield strip is lower than the light transmittance of the second photo-shield strip, the first infrared light and the second infrared light respectively from horizontal direction and
Emit on vertical direction, when touch object carries out touch control operation, if the area of the first photo-shield strip is greater than second in horizontal direction
The area of photo-shield strip, by taking the direction of transparent nib shown in fig. 5 as an example, then the first infrared light for emitting in horizontal direction is by the
The permeable infrared light of one photo-shield strip can pass through lower than the second infrared light emitted on vertical direction by the second photo-shield strip red
Outer light, therefore, the light intensity of the first infrared light received in horizontal direction is lower than the second infrared light received on vertical direction
Light intensity, confirmation touch object be oriented first direction, otherwise, in horizontal direction the area of the first photo-shield strip be greater than the second shading
The area of band, by taking the direction of transparent nib shown in fig. 6 as an example, then the light intensity of received first infrared light is higher than in horizontal direction
The light intensity of received second infrared light on vertical direction, confirmation touch object are oriented second direction.Hereby it is achieved that according to reception
The direction of the light-intensity difference confirmation touch object of the first infrared light and the second infrared light that arrive.
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 with the second infrared light received
The change of different generation preset rules is such as oriented reference position, the light transmittance of the first photo-shield strip with transparent nib shown in fig. 6
Lower than the light transmittance of the second photo-shield strip, if within a preset time interval, user rotates clockwise touch object from reference position
360 degree, then within a preset time interval, it can successively detect the light intensity for the first infrared light that horizontal direction receives lower than vertical
The light intensity for the first infrared light that light intensity, the horizontal direction for the second infrared light that direction receives receive 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 lower than vertical direction
The light intensity of second infrared light can then confirm that touch object is oriented third direction.
Preferably, 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 light transmittance of the accurate detection set, the second photo-shield strip cannot get too close to 100%, in order to avoid through the infrared light of the second photo-shield strip
Decaying can not detect, to cannot position；The light transmittance of the first photo-shield strip can not be got too close to simultaneously, in order to avoid cause through the
The attenuation degree of the infrared light of one photo-shield strip and the second photo-shield strip is close, can not identify the direction of photo-shield strip (touch object).
Step 330, according to the direction confirmation of touch object to the response modes of the touch trajectory of touch object.
Preferably, after the direction for identifying touch object, according to the different touchings towards confirmation to touch object of touch object
The response modes of track are controlled, realize the different conversions towards control response mode by touch object.
Illustratively, response modes include the black mode and red pattern for writing color.As user passes through touch object
On the touch screen on the electronic equipments such as electronic whiteboard or plate carry out touch control operation when, then touch object barrier level direction and
The infrared light that infrared transmitting tube emits on vertical direction, the corresponding received light of infrared receiving tube in horizontal direction and vertical direction
It changes by force, to detect the position of touch of touch object, while by corresponding red in horizontal direction and vertical direction
The outer received light-intensity difference of reception pipe 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
Writing color is red.
Preferably, 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, and response modes can be realized
Switching, it is convenient and efficient, and using preceding it is not necessary that touch object is configured or operation, the behaviour such as is attached with electronic equipment
Make simple, raising user experience.
The embodiment of the present invention passes through the light-intensity difference of light intensity and the second infrared light according to the first infrared light received, can
Quickly confirmation 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 rotation touch object, and the conversion of the response modes to the touch trajectory of touch object, operation letter can be realized
It is single, it is user-friendly, improve user experience.
Embodiment three
Fig. 7 is a kind of structural schematic diagram of the status identification means for touch object that the embodiment of the present invention three provides.Referring to
Fig. 7, the device include: touch control detection module 410 and towards confirmation module 420, wherein
Touch control detection module 410, for emitting mutually perpendicular first infrared light and the second infrared light to carry out touch-control inspection
It surveys；
Towards confirmation module 420, for the light-intensity difference according to first infrared light and 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 light transmittance of band and two the second photo-shield strips being oppositely arranged, first photo-shield strip and the second photo-shield strip is different.
In above scheme, optionally, further includes: response confirmation module, for true according to the direction of the touch object
Recognize the response modes of the touch trajectory to the touch object.
It is optionally, described towards confirmation module in above scheme, it is specifically used for:
If light intensity of the light intensity of first infrared light received lower than the second infrared light received, described in confirmation
Touch object is towards first direction；Otherwise confirm the touch object towards second direction.
In above scheme, optionally, the response modes include write mode and erasing mode.
In above scheme, optionally, the light transmittance of first photo-shield strip is 0, the light transmittance of second photo-shield strip
For 30-60%.
Method provided by the embodiment of the present invention one and embodiment two can be performed in above-mentioned apparatus, has and executes above method phase
The functional module and beneficial effect answered.The not technical detail of detailed description in the present embodiment, reference can be made to the embodiment of the present invention one
With method provided by embodiment two.
Note that the above is only a better embodiment of the present invention and the applied technical principle.It will be appreciated by those skilled in the art that
The invention is not limited to the specific embodiments described herein, be able to carry out for a person skilled in the art it is various it is apparent variation,
It readjusts and substitutes without departing from protection scope of the present invention.Therefore, although being carried out by above embodiments to the present invention
It is described in further detail, but the present invention is not limited to the above embodiments only, without departing from the inventive concept, also
It may include more other equivalent embodiments, and the scope of the invention is determined by the scope of the appended claims.
Claims (10)
1. a kind of state identification method of touch object characterized by comprising
Emit 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 that receive；
The touch object includes transparent nib, and the transparent nib outside is divided into four regions, wherein in the opposite area Liang Ge
It is respectively arranged with the first photo-shield strip in domain, is respectively arranged with the second photo-shield strip in two in addition opposite regions, described first
Photo-shield strip and the second photo-shield strip are adjacent, and the light transmittance of first photo-shield strip and the second photo-shield strip is different.
2. the method according to claim 1, wherein first infrared light and second that the basis receives
The light-intensity difference of infrared light confirms after the direction of the touch object, further includes:
According to the direction confirmation of the touch object to the response modes of the touch trajectory of the touch object.
3. the method according to claim 1, wherein first infrared light and second that the basis receives
The light-intensity difference of infrared light confirms the direction of the touch object, specifically:
If the light intensity of first infrared light received is lower 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. according to the method described in claim 2, it is characterized in that, the response modes include write mode and erasing mode.
5. described second hides the method according to claim 1, wherein the light transmittance of first photo-shield strip is 0
The light transmittance of light belt is 30-60%.
6. a kind of status identification means of touch object characterized by comprising
Touch control detection module, for emitting mutually perpendicular first infrared light and the second infrared light to carry out touch control detection；
Towards confirmation module, for according to the confirmation of the light-intensity difference of first infrared light and the second infrared light received
The direction of touch object；
The touch object includes transparent nib, and the transparent nib outside is divided into four regions, wherein in the opposite area Liang Ge
It is respectively arranged with the first photo-shield strip in domain, is respectively arranged with the second photo-shield strip in two in addition opposite regions, described first
Photo-shield strip and the second photo-shield strip are adjacent, and the light transmittance of first photo-shield strip and the second photo-shield strip is different.
7. device according to claim 6, which is characterized in that further include: response confirmation module, for according to the touch-control
Response modes of the direction confirmation of object to the touch trajectory of the touch object.
8. device according to claim 6, which is characterized in that it is described towards confirmation module, it is specifically used for:
If the light intensity of first infrared light received is lower 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, which is characterized in that the response modes include write mode and erasing mode.
10. device according to claim 6, which is characterized 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 | State identification method and device for 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 | State identification method and device for touch object |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107193416A CN107193416A (en) | 2017-09-22 |
| CN107193416B true CN107193416B (en) | 2019-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710357441.0A Active CN107193416B (en) | 2017-05-19 | 2017-05-19 | State identification method and device for touch object |
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| Country | Link |
|---|---|
| CN (1) | CN107193416B (en) |
| WO (1) | WO2018209858A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107193416B (en) * | 2017-05-19 | 2019-11-05 | 广州视源电子科技股份有限公司 | State identification method and device for touch object |
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| CN107193416A (en) | 2017-09-22 |
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