CN104503634B - A kind of infrared touch control device and method - Google Patents
A kind of infrared touch control device and method Download PDFInfo
- Publication number
- CN104503634B CN104503634B CN201410716233.1A CN201410716233A CN104503634B CN 104503634 B CN104503634 B CN 104503634B CN 201410716233 A CN201410716233 A CN 201410716233A CN 104503634 B CN104503634 B CN 104503634B
- Authority
- CN
- China
- Prior art keywords
- infrared
- linear array
- remote receiver
- speculum
- infrared ray
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- 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 infrared touch control device and methods.The infrared touch control device include be arranged touch screen first while upper infrared transmitter linear array, be arranged second while on infrared remote receiver linear array and the speculum that is arranged in remaining sides, the side of the infrared ray and the touch screen where infrared transmitter linear array of the infrared transmitter linear array transmitting it is at an acute angle.The present invention only needs that infrared transmitter linear array and infrared remote receiver linear array are arranged on a pair of of relative edge of touch screen frame, it needs that the very small speculum of volume is arranged on two other side, so as to greatly reduce the occupied frame area of touch control component, narrow frame is realized.Meanwhile touch-control resolution ratio can be enhanced about more than once by the present invention.
Description
Technical field
The present invention relates to touch-control input technology fields, specifically, being a kind of infrared touch control device and method.
Background technology
Touch-control input is used because having the advantages that operation is intuitive, simple and convenient by more and more equipment.Mainstream at present
Touch technology have resistance touch technology, capacitance touching control technology and infrared touch control technology.The touch-control of large-sized display devices is grasped
Mostly use infrared touch control technology, such as Multi-media information inquiry machine, automatic teller machine, subway ticket machines etc..And part is small
Also use infrared touch control technology in type equipment, for example, Amazon Company produce used the Kindle of electronic ink screen to read
Read device.
Infrared touch control technology is gather before being close to screen X, infrared emitting and receiving matrix in Y-direction, in screen
On surface formed infra-red detection net, by ceaselessly scan whether have infrared ray be blocked by the body detection and position user touch
It touches, principle is another in touch screen as shown in Figure 1, be respectively arranged with infrared transmitter 1 ' on two adjacent sides of touch screen
It is respectively arranged with infrared remote receiver 2 ' on outer two adjacent sides, infrared transmitter 1 ' emits infrared ray vertically outward, infrared
Line reaches opposite side, by the reception of infrared remote receiver 2 ' positioned at opposite side.When there is touch action, the infrared ray at 3 ' place of touch point is hidden
Gear, infrared ray can not reach the infrared remote receiver 2 ' of opposite side, can be calculated according to the infrared ray being blocked in X-direction and Y-direction
Go out the coordinate of touch point 3 ', but need that infrared sending and receiving emitter 1 ' and infrared remote receiver 2 ' are arranged on four sides, cannot achieve narrow side
Frame, and touch-control resolution ratio is low.
Infrared touch control technology has the advantages such as simple in structure, at low cost compared to other touch technologies.But it is existing infrared
Line touch technology needs to arrange infrared transmitter and receiver on four frames of display screen, so using this touch technology
Display narrow frame is cannot achieve, and touch-control resolution ratio is also restrained.
Invention content
The technical problem to be solved in the present invention is to provide a kind of occupancy frame area is small, so as to realize narrow frame, and
The infrared touch control device and method of touch-control high resolution.
It is described to touch in order to solve the above technical problem, the present invention provides a kind of infrared touch control device, including touch screen
Touch screen include first while described first corresponding second side, further include setting on the first side of the touch screen
Infrared transmitter linear array, the infrared remote receiver linear array that is arranged on second side and setting in touch screen residue
Speculum on side, the infrared ray and the angle on first side of the infrared transmitter linear array transmitting are on-right angle.
Further, the touch screen is rectangle, and the infrared transmitter linear array is arranged on the first side of the touch screen
On, the infrared remote receiver linear array and the touch screen first at opposite second on, the speculum setting with it is described
Touch screen first is in vertical third and on the 4th side, the infrared ray and the touch screen of the infrared transmitter linear array transmitting
The angle on the first side is 45 degree of angles.
Further, the infrared transmitter linear array is respectively facing symmetrical both direction transmitting infrared ray, and two sides
To infrared ray between symmetry axis it is vertical with the first side of the touch screen；The infrared remote receiver linear array receives symmetrically respectively
The infrared ray of both direction, the symmetry axis between the infrared ray of both direction are vertical with the second side of the touch screen.
Further, the infrared transmitter linear array is made of multigroup infrared transmitter, and every group of infrared transmitter includes two
A infrared transmitter, two infrared transmitters are respectively facing symmetrical both direction transmitting infrared ray；The infrared remote receiver line
Battle array is made of multigroup infrared remote receiver, and every group of infrared remote receiver includes two infrared remote receivers, and two infrared remote receivers connect respectively
Receive the infrared ray of symmetrical both direction.
Further, the infrared transmitter linear array is made of multiple infrared transmitters, and each infrared transmitter is by dividing
Electro-optical device is respectively facing symmetrical both direction transmitting infrared ray；The infrared remote receiver linear array is by multiple infrared transmitter structures
At each infrared remote receiver receives the infrared ray of symmetrical both direction by beam condensing unit respectively.
Further, the speculum is a monoblock speculum.
Further, the speculum be by the sub- speculum group of polylith at speculum linear array.
Further, every piece of sub- speculum corresponds to an infrared ray.
The present invention also provides a kind of touch control methods of infrared touch control device, including：
Emit a plurality of infrared ray, the direction of the launch and the infrared transmitter linear array of infrared ray using the infrared transmitter linear array
The angle on the side of the touch screen at place is on-right angle；
The infrared ray that the infrared transmitter linear array is launched directly reaches the infrared remote receiver linear array, or passes through institute
The infrared remote receiver linear array is reached after stating speculum reflection；
The infrared remote receiver linear array detects whether can to receive infrared ray, and according to the infrared ray that can be received and
The infrared ray that cannot be received calculates the coordinate of touch point.
Further, the infrared transmitter linear array emits infrared ray with time-sharing format to different directions.
The present invention by with the frame of touch screen transmitting infrared ray in a certain angle, and coordinate speculum to form infrared ray
Net is to realize that touch point identifies, it is only necessary to infrared transmitter linear array be arranged on a pair of of relative edge of touch screen frame and infrared connect
Device linear array is received, needs that the very small speculum of volume is arranged on two other side, so as to greatly reduce shared by touch control component
Frame area realizes narrow frame.Meanwhile compared with existing infrared touch control technology, the present invention can differentiate touch-control
Rate is enhanced about more than once.
Description of the drawings
Fig. 1 is the schematic diagram of infrared touch control technology in the prior art.
Fig. 2 is the structural schematic diagram of the infrared touch control device of the present invention.
Fig. 3 is the partial enlargement structural representation at A in Fig. 2.
Fig. 4 is the partial enlargement structural representation at B in Fig. 2.
Fig. 5 is the touch-control schematic diagram of the infrared touch control device of the present invention.
The infrared ray schematic diagram of first period when Fig. 6 is the infrared touch control device time division emission infrared ray of the present invention.
The infrared ray schematic diagram of second period when Fig. 7 is the infrared touch control device time division emission infrared ray of the present invention.
Fig. 8 is the structural schematic diagram of another embodiment of the infrared touch control device of the present invention.
In figure：1. infrared transmitter, 2. infrared remote receivers, 3. touch points, 4. sub- speculums.
Specific implementation mode
The invention will be further described in the following with reference to the drawings and specific embodiments, so that those skilled in the art can be with
It more fully understands the present invention and can be practiced, but illustrated embodiment is not as a limitation of the invention.
Core of the invention thought is infrared transmitter linear array to be wherein at least above arranged on one side in touch screen, at least another
It is upper on one side that infrared remote receiver linear array is set, in the speculum being arranged in remaining sides, the infrared ray of infrared transmitter linear array transmitting
At least part infrared ray at an acute angle with the side of the touch screen where infrared transmitter linear array, making infrared transmitter linear array emit
Infrared remote receiver linear array, each infrared ray intertexture networking, to realize the detection to touch are reached after speculum reflects.The present invention was both
It is applicable to rectangular touch screen, it can also be used to the touch screen of the polygons such as pentagon, hexagon.Below by taking rectangular touch screen as an example
The present invention will be described in detail, the principle recorded in embodiment and the present invention of the those skilled in the art according to the rectangular touch screen,
It can be easy to learn the embodiment of the touch screen of other polygons.
As shown in Fig. 2, shown in referring also to Fig. 3 and Fig. 4, infrared touch control device of the invention, including setting are touching
Shield first in upper infrared transmitter linear array, the infrared remote receiver line being arranged on second side opposite with when touch screen the first
Battle array and speculum while with touch screen first in vertical third and on the 4th side is set, wherein infrared transmitter linear array
Infrared emitting direction and the first side of touch screen be in one first inclination angle a, the infrared receiver direction of infrared remote receiver linear array with
The second side of touch screen is in one second inclination angle b, and the first inclination angle a is identical as the value of the second inclination angle b.First inclination angle and the second inclination angle are excellent
It is selected as 45 degree.Certainly, in other embodiments, the first inclination angle can also be different with the second inclination angle, as long as infrared emission can be ensured
The infrared ray of device linear array transmitting can be received after speculum reflects by infrared remote receiver linear array.
Wherein, infrared transmitter linear array is respectively facing symmetrical both direction transmitting infrared ray, and both direction is infrared
Symmetry axis between line is vertical with the first side of touch screen；Correspondingly, infrared remote receiver linear array receives symmetrical both direction respectively
Infrared ray, the symmetry axis between the infrared ray of both direction is vertical with the second side of touch screen.
Embodiment as one preferred, infrared transmitter linear array are made of multigroup infrared transmitter 1, every group of infrared emission
Device 1 includes two infrared transmitters 1, and two infrared transmitters 1 are respectively facing symmetrical both direction transmitting infrared ray；Accordingly
Ground, infrared remote receiver linear array are made of multigroup infrared remote receiver 2, and every group of infrared remote receiver 2 includes two infrared remote receivers 2, and two
A infrared remote receiver 2 receives the infrared ray of symmetrical both direction respectively.
As another preferred embodiment, infrared transmitter linear array is made of multiple infrared transmitters 1, each infrared hair
Emitter 1 is respectively facing symmetrical both direction by light-dividing device and emits infrared ray；Correspondingly, infrared remote receiver linear array is by multiple
Infrared remote receiver 2 is constituted, and each infrared remote receiver 2 receives the infrared ray of symmetrical both direction by beam condensing unit respectively.
Shown in Figure 2, infrared transmitter linear array emits infrared ray, and a part directly reaches infrared remote receiver linear array, separately
A part reaches infrared remote receiver linear array after speculum reflects, so as to form infrared net.And directly reach infrared connect
Receive the ratio and touch screen of the infrared ray and the infrared ray that infrared remote receiver linear array is reached after speculum reflects of device linear array
Length-width ratio is related.If touch screen is square, length and width is consistent, then in addition to the infrared transmitter 1 of both ends corner location is sent out
Infrared ray can directly reach outside infrared remote receiver 2, the infrared ray that other infrared transmitters 1 are sent out is after speculum reflects
Reach infrared remote receiver 2.The length-width ratio of touch screen is bigger, and the ratio that the infrared ray of directly arrival infrared remote receiver linear array accounts for is got over
It is more.
As shown in figure 5, the touch control method of the infrared touch control device of the present invention is：Emitted using infrared transmitter linear array red
Outside line；The infrared ray that infrared transmitter linear array is launched directly reaches infrared remote receiver linear array, or after speculum reflects
Infrared remote receiver linear array is reached, infrared net is formed；Each infrared remote receiver 2 of infrared remote receiver linear array detects whether to receive
To infrared ray；When there is touch-control to move operation, touch control object（Such as finger or felt pen）Infrared ray at touch point 3 is blocked, then
The line outside line being blocked can not reach corresponding infrared remote receiver 2, which cannot receive infrared ray, Bian Ketong
Know that processor, processor carry out the coordinate that touch point 3 is calculated according to the infrared ray being blocked on different directions.
In the present invention, touch screen third while and when the 4th on speculum can be respectively a monoblock speculum.If adopted
With monoblock speculum, need speculum totally straight, otherwise part infrared ray possibly can not be correctly reflected into corresponding red
Outer receiver 2.Of course, it is possible to which the position by adjusting corresponding infrared remote receiver 2 allows it to receive the red of speculum reflection
Outside line.But due in the present invention infrared remote receiver 2 may need to receive simultaneously third while and when the 4th on speculum reflect
The line outside line come, adjustable range are restricted.
Therefore, it is further preferable that touch screen third while and when the 4th on speculum be respectively adopted by the sub- speculum of polylith 4
The speculum linear array of composition, every piece of sub- speculum 4 correspond to an infrared ray.Using the speculum being made of the sub- speculum of polylith 4
Linear array can be directed to the angle that every infrared ray adjusts sub- speculum 4, so that its infrared ray reflected is accurately reached corresponding infrared
Receiver 2.Therefore, using the advantages of speculum linear array be the processing technology of speculum is required it is low, it is easy to adjust, can be significantly
Improve the qualification rate of product.
With continued reference to Fig. 2, the present invention by with the frame of touch screen transmitting infrared ray in a certain angle, and coordinate speculum
To form infrared net to realize that touch point 3 identifies, it is only necessary to infrared emission be arranged on a pair of of relative edge of touch screen frame
Device linear array and infrared remote receiver linear array need on two other side that the very small speculum of volume is arranged, so as to significantly subtract
The occupied frame area of few touch control component, realizes narrow frame.Meanwhile in existing infrared touch control technology perpendicular to frame
Emit infrared ray（Shown in the dotted line in Fig. 2）It compares, touch-control resolution ratio can be enhanced about more than once by the present invention.
As shown in Figure 6 and Figure 7, present invention preferably employs timesharing touch control manners, i.e. infrared transmitter linear array is with time-sharing format
Emit infrared ray to different directions.
Specifically, infrared transmitter linear array point both direction synchronizes time division emission, and utilizes and be distributed in display screen
The speculum linear array of upper and lower sides makes it emit light and is received by corresponding infrared remote receiver linear array, formed in this way in screen surface red
Outside line detection network, by ceaselessly scanning the touch for whether having infrared ray to be blocked by the body detection and positioning user, infrared ray connects
Receive 2 times that device linear array scanning frequency is infrared transmitter linear array alternate emission frequency.
As shown in fig. 6, infrared transmitter linear array emits the confirmable contact position of infrared ray in the first period to first direction
It sets, these contact positions are distributed in the upper Delta Region of rectangular display screen, and the detection of infrared remote receiver linear array is mainly utilized to be hidden
The light of gear, and calculate the intersection location point for the light that is blocked, i.e. 3 position of touch point.Similarly, Fig. 7 gives infrared emission
Device linear array emits the confirmable contact position of infrared ray in the second period to second direction, and it is aobvious that these contact positions are distributed in rectangle
The lower Delta Region of display screen.
Determination can detect the touch point 3 under trigonometric sum in Delta Region, square on rectangular display screen curtain to Fig. 6 and Fig. 7 respectively
Shape shows that the touch point 3 in screen left and right sides Delta Region can be by infrared transmitter linear array different directions time division emission twice
Synthesis detection is carried out, to form the detection network being completely covered to entirely showing screen.
Certainly, the transmitting of infrared ray and reception direction are not limited to touch screen frame be in 45 degree of angles in the present invention.When the folder
When angle is not 45 degree, as shown in figure 8, infrared net can be equally formed, to detect touch control operation.As can be seen from Figure 8,
Its infrared net parallelogram formed, therefore its touch-control resolution ratio in the horizontal direction and the vertical direction is different.
The present invention can be to entirely showing that screen realizes perfect single-point touch, and the touch-control side that touch-control resolution ratio is traditional
Formula doubles.The present invention by speculum instead of a line frame in the prior art infrared transmitter 1 and a line frame it is red
Outer receiver 2, therefore the quantity of infrared transmitter 1 and infrared remote receiver 2 can also reduce half, it can be at one group of display screen
Offside forms narrow frame.When multi-point touch, if 2 points of touch-control are stepped up lower Delta Region, due to touching for upper and lower Delta Region
3 position sensings of control point can independent timesharing carry out, interference will not be formed, therefore the present invention can also realize some simple multiple spots
Touch control operation.
Embodiment described above is only to absolutely prove preferred embodiment that is of the invention and being lifted, protection model of the invention
It encloses without being limited thereto.Those skilled in the art on the basis of the present invention made by equivalent substitute or transformation, in the present invention
Protection domain within.Protection scope of the present invention is subject to claims.
Claims (7)
1. a kind of infrared touch control device, including touch screen, the touch screen includes first opposite while described first
The second side answered, which is characterized in that the infrared touch control device further include be arranged it is infrared on the first side of the touch screen
Transmitter linear array, the infrared remote receiver linear array being arranged on second side and it is arranged in the touch screen remaining sides
Speculum, the speculum be by the sub- speculum group of polylith at speculum linear array, every piece of sub- speculum correspond to one it is red
Outside line, the infrared ray and the angle on first side of the infrared transmitter linear array transmitting are on-right angle, the infrared transmitter
At least part infrared ray of linear array transmitting reaches the infrared remote receiver linear array after speculum reflection.
2. infrared touch control device according to claim 1, which is characterized in that the touch screen is rectangle, described infrared
Transmitter linear array is arranged on the first side of the touch screen, and the infrared remote receiver linear array is opposite with the first side of the touch screen
The second side on, the speculum is arranged while with the touch screen first in vertical third and on the 4th side, described infrared
The infrared ray that transmitter line paroxysm is penetrated and the angle on the first side of the touch screen are 45 degree of angles.
3. infrared touch control device according to claim 1, which is characterized in that the infrared transmitter linear array is respectively facing
Symmetrical both direction emits infrared ray, and the symmetry axis between the infrared ray of both direction hangs down with the first side of the touch screen
Directly；The infrared remote receiver linear array receives the infrared ray of symmetrical both direction, pair between the infrared ray of both direction respectively
Claim axis vertical with the second side of the touch screen.
4. infrared touch control device according to claim 1, which is characterized in that the infrared transmitter linear array is by multigroup red
External transmitter is constituted, and every group of infrared transmitter includes two infrared transmitters, and two infrared transmitters are respectively facing symmetrical two
A direction emits infrared ray；The infrared remote receiver linear array is made of multigroup infrared remote receiver, and every group of infrared remote receiver includes two
A infrared remote receiver, two infrared remote receivers receive the infrared ray of symmetrical both direction respectively.
5. infrared touch control device according to claim 1, which is characterized in that the infrared transmitter linear array is by multiple red
External transmitter is constituted, and each infrared transmitter is respectively facing symmetrical both direction by light-dividing device and emits infrared ray；It is described
Infrared remote receiver linear array is made of multiple infrared transmitters, and each infrared remote receiver receives symmetrical two by beam condensing unit respectively
The infrared ray in a direction.
6. a kind of touch control method using any one of the claim 1-5 infrared touch control devices, which is characterized in that packet
It includes：
Emit a plurality of infrared ray, the direction of the launch and the infrared transmitter linear array place of infrared ray using the infrared transmitter linear array
The angle on side of touch screen be on-right angle；
The infrared ray that the infrared transmitter linear array is launched directly reaches the infrared remote receiver linear array, or by described anti-
Reach the infrared remote receiver linear array after penetrating mirror reflection, the speculum be by the sub- speculum group of polylith at speculum linear array,
Every piece of sub- speculum corresponds to an infrared ray；
The infrared remote receiver linear array detects whether can to receive infrared ray, and according to the infrared ray that can be received and cannot
The infrared ray received calculates the coordinate of touch point.
7. touch control method according to claim 6, which is characterized in that the infrared transmitter linear array is with time-sharing format to not
Equidirectional transmitting infrared ray.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410716233.1A CN104503634B (en) | 2014-12-02 | 2014-12-02 | A kind of infrared touch control device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410716233.1A CN104503634B (en) | 2014-12-02 | 2014-12-02 | A kind of infrared touch control device and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104503634A CN104503634A (en) | 2015-04-08 |
| CN104503634B true CN104503634B (en) | 2018-07-24 |
Family
ID=52945035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410716233.1A Active CN104503634B (en) | 2014-12-02 | 2014-12-02 | A kind of infrared touch control device and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104503634B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106201119A (en) * | 2016-06-27 | 2016-12-07 | 深圳帝显高端制造方案解决有限公司 | Touching signals method of reseptance |
| CN107783695B (en) * | 2017-09-27 | 2021-01-12 | 深圳市天英联合教育股份有限公司 | Infrared touch screen arrangement method and device and display equipment |
| US11933914B2 (en) | 2020-04-06 | 2024-03-19 | Universal City Studios Llc | Sensing system for an interactive system |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2751354Y (en) * | 2004-09-15 | 2006-01-11 | 北京汇冠新技术有限公司 | Reflection structured multiple receiving tubes infrared touch screen |
| CN201741134U (en) * | 2010-06-17 | 2011-02-09 | 北京汇冠新技术股份有限公司 | Infrared transmitting tube and touch control screen |
| CN201773381U (en) * | 2009-10-30 | 2011-03-23 | 北京汇冠新技术股份有限公司 | Infrared touch screen |
| CN102053762A (en) * | 2009-10-30 | 2011-05-11 | 北京汇冠新技术股份有限公司 | Infrared touch screen and touch positioning method thereof |
| CN102073418A (en) * | 2010-11-29 | 2011-05-25 | 香港应用科技研究院有限公司 | Coordinate locating method and apparatus |
| CN202171793U (en) * | 2011-05-06 | 2012-03-21 | 北京汇冠新技术股份有限公司 | Infrared touch screen |
| CN102722294A (en) * | 2012-06-05 | 2012-10-10 | 北京理工大学 | Method using sector light sources for touch screen positioning |
| CN102799319A (en) * | 2012-08-10 | 2012-11-28 | 北京汇冠新技术股份有限公司 | Infrared touch screen |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100910024B1 (en) * | 2008-10-13 | 2009-07-30 | 호감테크놀로지(주) | Camera type touch-screen utilizing linear infrared emitter |
-
2014
- 2014-12-02 CN CN201410716233.1A patent/CN104503634B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2751354Y (en) * | 2004-09-15 | 2006-01-11 | 北京汇冠新技术有限公司 | Reflection structured multiple receiving tubes infrared touch screen |
| CN201773381U (en) * | 2009-10-30 | 2011-03-23 | 北京汇冠新技术股份有限公司 | Infrared touch screen |
| CN102053762A (en) * | 2009-10-30 | 2011-05-11 | 北京汇冠新技术股份有限公司 | Infrared touch screen and touch positioning method thereof |
| CN201741134U (en) * | 2010-06-17 | 2011-02-09 | 北京汇冠新技术股份有限公司 | Infrared transmitting tube and touch control screen |
| CN102073418A (en) * | 2010-11-29 | 2011-05-25 | 香港应用科技研究院有限公司 | Coordinate locating method and apparatus |
| CN202171793U (en) * | 2011-05-06 | 2012-03-21 | 北京汇冠新技术股份有限公司 | Infrared touch screen |
| CN102722294A (en) * | 2012-06-05 | 2012-10-10 | 北京理工大学 | Method using sector light sources for touch screen positioning |
| CN102799319A (en) * | 2012-08-10 | 2012-11-28 | 北京汇冠新技术股份有限公司 | Infrared touch screen |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104503634A (en) | 2015-04-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106662938B (en) | Orthogonal signaling touches user, hand and object discrimination system and method | |
| US20110115748A1 (en) | Infrared Touch Screen | |
| KR102288703B1 (en) | Fast multi-touch stylus and sensor | |
| US20080056068A1 (en) | Apparatus and method for detecting position, and touch panel using the same | |
| KR102213486B1 (en) | Fast multi-touch noise reduction | |
| CN106133659B (en) | Possible channel in touch sensor is dynamically distributed | |
| CN101916152B (en) | Multi-touch infrared positioning device and method | |
| US20210103356A1 (en) | Stylus identification | |
| CN104503634B (en) | A kind of infrared touch control device and method | |
| CN107209597A (en) | Differential transfer for reducing the crosstalk in projected capacitive touch sensor | |
| JP2013511100A (en) | Apparatus and method for receiving touch input | |
| CN106104438A (en) | With the equipment that operates of sensitivity that reduces and method in touch-sensitive device | |
| CN103235670A (en) | Infrared touch module, infrared touch screen and display device | |
| CN108536337A (en) | The method and infrared touch frame of infrared touch frame scanning | |
| US9830017B2 (en) | Infrared touch screen, touch detection method thereof and display apparatus | |
| CN104991686A (en) | Ultrasonic touch control system | |
| US20120194511A1 (en) | Apparatus and method for providing 3d input interface | |
| CN102193690A (en) | Infrared touch screen and multi-touch positioning method thereof | |
| CN101520707A (en) | Infrared ray and camera combined multipoint positioning touch device and positioning method | |
| US20130076694A1 (en) | Apparatus for detecting position by infrared rays and touch panel using the same | |
| KR101615537B1 (en) | Apparatus for Touch Screen using 3D Position | |
| CN105607785B (en) | Touch control display system and touch control operation device | |
| CN102289330A (en) | Display with infrared touch panel and method for judging touch points thereof | |
| CN103984445A (en) | Infrared touch screen and touch point positioning method thereof | |
| CN105955552B (en) | Touch device, touch control method and curved-surface display device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20150408 Assignee: Yungu (Gu'an) Technology Co., Ltd.|Bazhou Yungu Electronic Technology Co., Ltd.|Kunshan Institute of technology new flat panel display technology center Co., Ltd Assignor: Kunshan Guo Xian Photoelectric Co., Ltd. Contract record no.: X2019990000157 Denomination of invention: Infrared touch control device and method Granted publication date: 20180724 License type: Common License Record date: 20191031 |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191206 Address after: No. 2 Xiangshan Avenue, Yongning Street, Zengcheng District, Guangzhou, Guangdong province (the core of Zengcheng economic and Technological Development Zone) Patentee after: Guangzhou Guoxian Technology Co., Ltd Address before: 215300, No. 1, Longteng Road, Kunshan Development Zone, Jiangsu, Suzhou, 4 Patentee before: Kunshan Guo Xian Photoelectric Co., Ltd. |