CN114637431A - Multi-point touch system based on capacitive display screen - Google Patents
Multi-point touch system based on capacitive display screen Download PDFInfo
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- CN114637431A CN114637431A CN202210512363.8A CN202210512363A CN114637431A CN 114637431 A CN114637431 A CN 114637431A CN 202210512363 A CN202210512363 A CN 202210512363A CN 114637431 A CN114637431 A CN 114637431A
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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
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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
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04106—Multi-sensing digitiser, i.e. digitiser using at least two different sensing technologies simultaneously or alternatively, e.g. for detecting pen and finger, for saving power or for improving position detection
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- Controls And Circuits For Display Device (AREA)
Abstract
The invention discloses a multi-point touch system based on a capacitive display screen, which comprises a multi-point touch system, wherein the multi-point touch system consists of the capacitive display screen, a control system, a wireless communication system and a display system. The invention is composed of a capacitive display screen, a control system, a wireless communication system and a display system, a complete multi-point touch system is formed, and a controller is arranged in the control system, when the screen is touched, a coupling capacitor is formed between a finger and a conductor layer of the screen due to an electric field of a human body, current sent by electrodes on the periphery flows to a contact, the intensity of the current is in direct proportion to the distance between the finger and the electrode, and the controller positioned behind the capacitive display screen calculates the proportion and intensity of the current and accurately calculates the position of a touch point, so that the accurate control of the touch point of the multi-point touch system is realized, the finger can touch the capacitive display screen more smoothly, and the use of the capacitive display screen is facilitated.
Description
Technical Field
The invention relates to the field of multi-point touch, in particular to a multi-point touch system based on a capacitive display screen.
Background
Multi-touch (also called multi-touch, multi-point sensing, multi-sensing) is a technology that is realized by both a human-computer interaction technology and hardware equipment, and can perform human-computer interaction operation of a computer without traditional input equipment (such as a mouse, a keyboard and the like). The multi-point touch technology can form a touch screen (a screen, a desktop, a wall and the like) or a touch pad, and can simultaneously receive a plurality of points on the screen to carry out the man-machine interaction operation of a computer.
Patent document No. CN201910044U discloses a multi-touch panel system, which can make gorgeous and novel operation interface by using Windows embedded standard 7 embedded operating system and WPF programming technology, so as to make the control of electronic device more humanized and operate more simply and conveniently. Also, patent document No. CN102096529A discloses a multi-touch interactive system, which implements multi-touch interaction under curved projection display, and when implementing spherical projection display, the system cooperates with distortion correction of an image to ensure projection quality, an infrared light source is used as interaction light to project infrared light to a projection screen, an infrared camera collects reflected infrared light caused by interaction to obtain an infrared light image, processes the infrared light image, and controls display according to the processing result, thereby implementing interaction. The spherical multi-point touch technology can meet the requirements of high real-time performance and accuracy, and is suitable for multi-user spherical interactive exhibition and other related applications in indoor environments with appropriate light.
However, the accuracy of the touch point of the existing multi-touch system is poor, the finger is not smoothly pointing, and the touch feeling of the display screen is seriously affected, so that a multi-touch system based on a capacitive display screen is urgently needed to solve the above problems.
Disclosure of Invention
The present invention is directed to a multi-touch system based on a capacitive display screen, so as to solve the problems mentioned in the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
a multi-point touch system based on a capacitive display screen comprises a multi-point touch system and a display system, wherein the multi-point touch system consists of the capacitive display screen, the control system, a wireless communication system and the display system, the capacitive display screen is provided with a plurality of grid touch areas on the surface of the capacitive display screen, the edge of each area is correspondingly provided with a plurality of touch emitting diodes and touch receiving diodes, the touch emitting diodes and the touch receiving diodes are installed in a mutually staggered mode, so that touch control of the capacitive display screen is realized, electrodes are arranged around the capacitive display screen, the control system is the core of the whole multi-point touch system, the control system plays a role in controlling multi-point touch, is positioned in the capacitive display screen and is electrically connected with the capacitive display screen, the wireless communication system realizes wireless communication transmission between the capacitive display screen and the control system, and avoids the capacitive display screen and the control system from losing control after power failure, and the display system is positioned in the capacitive display screen and plays a role in displaying pictures.
As a further scheme of the invention: the touch emitting diode in the capacitive display screen is provided with an emitting unit, the touch receiving diode is provided with a receiving unit, and the emitting unit and the receiving unit are mutually connected in an interactive mode to form a multi-point touch network.
As a further scheme of the invention: the control system is composed of a controller, a login module, a safety management module, a signal receiving module, a communication module, a signal transmitting module and a multi-point touch module are arranged in the controller, and a current calculating module is further arranged in the controller and used for calculating the proportion and strength of current.
As a further scheme of the invention: the login module is used for a user to login the capacitive display screen, so that the user can conveniently use and operate the capacitive display screen, the safety management module performs safety management work on the capacitive display screen, and the capacitive display screen is prevented from being damaged due to misoperation of non-workers on the capacitive display screen.
As a further scheme of the invention: the signal receiving module is used for receiving the touch signals received by the capacitive display screen, so that touch control of the capacitive display screen is achieved.
As a further scheme of the invention: the communication module sends the touch signal received by the signal receiving module to the signal transmitting module, so that the signal transmitting module transmits the touch signal to the multi-point touch module, and multi-point touch of the capacitive display screen is achieved.
As a further scheme of the invention: the multi-point touch module is composed of a main control unit, an auxiliary control unit and an intelligent control unit.
As a further scheme of the invention: the main control unit receives the multi-point touch information instruction sent by the intelligent control unit and the auxiliary control unit, so that the main control of the multi-point touch module is realized.
As a further scheme of the invention: the auxiliary control unit sends a multi-point touch information instruction to the main control unit, and the auxiliary main control unit controls the multi-point touch module to achieve an auxiliary control effect.
As a still further scheme of the invention: the intelligent control unit sends a multi-point touch information instruction to the main control unit, and once the main control unit loses control over the multi-point touch module, the intelligent control unit realizes autonomous control over the multi-point touch module, so that the phenomenon that the multi-point touch module loses control and influences work of the capacitive display screen is avoided.
Compared with the prior art, the invention has the beneficial effects that:
the invention is composed of a capacitive display screen, a control system, a wireless communication system and a display system, a complete multi-point touch system is formed, and a controller is arranged in the control system, when the screen is touched, a coupling capacitor is formed between a finger and a conductor layer of the screen due to an electric field of a human body, current sent by electrodes on the periphery flows to a contact, the intensity of the current is in direct proportion to the distance between the finger and the electrode, and the controller positioned behind the capacitive display screen calculates the proportion and intensity of the current and accurately calculates the position of a touch point, so that the accurate control of the touch point of the multi-point touch system is realized, the finger can touch the capacitive display screen more smoothly, and the use of the capacitive display screen is facilitated.
Drawings
Fig. 1 is a system block diagram of a multi-touch system based on a capacitive display screen.
Fig. 2 is a block diagram of a capacitive display screen in a multi-touch system based on the capacitive display screen.
Fig. 3 is a system block diagram of a control system in a multi-touch system based on a capacitive display screen.
Fig. 4 is a system block diagram of a multi-touch module in a multi-touch system based on a capacitive display screen.
In the figure: the system comprises a 1-multi-point touch system, a 2-capacitive display screen, a 3-control system, a 4-wireless communication system, a 5-display system, a 6-transmitting unit, a 7-receiving unit, an 8-login module, a 9-security management module, a 10-signal receiving module, a 11-communication module, a 12-signal transmitting module, a 13-multi-point touch module, a 14-controller, a 15-main control unit, a 16-auxiliary control unit and a 17-intelligent control unit.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Referring to fig. 1, a multi-touch system based on a capacitive display screen includes a multi-touch system 1, where the multi-touch system 1 is composed of a capacitive display screen 2, a control system 3, a wireless communication system 4, and a display system 5.
Specifically, the capacitive display screen 2, the surface of the capacitive display screen 2 is provided with a plurality of gridded touch areas, the edge of each area is correspondingly provided with a plurality of touch emitting diodes and touch receiving diodes, the touch emitting diodes and the touch receiving diodes are installed in a staggered manner, so that multi-point touch of the capacitive display screen 2 is realized, electrodes are arranged around the capacitive display screen 2, the control system 3 is a core of the whole multi-point touch system 1, plays a role in controlling multi-point touch, is positioned in the capacitive display screen 2 and is electrically connected with the capacitive display screen 2, the wireless communication system 4 realizes wireless communication transmission between the capacitive display screen 2 and the control system 3, avoids loss of control after power failure between the capacitive display screen 2 and the control system 3, the display system 5 and the display system 5 are positioned in the capacitive display screen 2, the function of picture display is achieved.
Referring to fig. 2, the touch emitting diode in the capacitive display screen 2 is provided with an emitting unit 6, the touch receiving diode is provided with a receiving unit 7, and the emitting unit 6 and the receiving unit 7 are mutually connected in an interactive manner to form a multi-point touch screen.
Example two
Referring to fig. 1, a multi-touch system based on a capacitive display screen includes a multi-touch system 1, where the multi-touch system 1 is composed of a capacitive display screen 2, a control system 3, a wireless communication system 4, and a display system 5.
Specifically, the capacitive display screen 2, the surface of the capacitive display screen 2 is provided with a plurality of gridded touch areas, the edge of each area is correspondingly provided with a plurality of touch emitting diodes and touch receiving diodes, the touch emitting diodes and the touch receiving diodes are installed in a staggered manner, so that multi-point touch of the capacitive display screen 2 is realized, electrodes are arranged around the capacitive display screen 2, the control system 3 is a core of the whole multi-point touch system 1, plays a role in controlling multi-point touch, is positioned in the capacitive display screen 2 and is electrically connected with the capacitive display screen 2, the wireless communication system 4 realizes wireless communication transmission between the capacitive display screen 2 and the control system 3, avoids loss of control after power failure between the capacitive display screen 2 and the control system 3, the display system 5 and the display system 5 are positioned in the capacitive display screen 2, the function of picture display is achieved.
Referring to fig. 2, the touch emitting diode in the capacitive display screen 2 is provided with an emitting unit 6, the touch receiving diode is provided with a receiving unit 7, and the emitting unit 6 and the receiving unit 7 are mutually connected in an interactive manner to form a multi-point touch screen.
Referring to fig. 3, the control system 3 is composed of a controller 14, a login module 8, a security management module 9, a signal receiving module 10, a communication module 11, a signal transmitting module 12, and a multi-touch module 13 are disposed in the controller 14, and a current calculating module (not shown) is further disposed in the controller 14 for calculating a ratio and strength of a current.
It should be specifically explained that the login module 8 is used for a user to login the capacitive display screen 2, so that the user can conveniently use and operate the capacitive display screen 2, and the safety management module 9 plays a role in safety management of the capacitive display screen 2, so that the capacitive display screen 2 is prevented from being damaged by misoperation of non-working personnel.
The signal receiving module 10 is configured to receive a touch signal received by the capacitive display screen 2, so as to implement touch control on the capacitive display screen 2.
The communication module 11 sends the touch signal received by the signal receiving module 10 to the signal transmitting module 12, so that the signal transmitting module 12 transmits the touch signal to the multi-touch module 13, thereby implementing multi-touch of the capacitive display screen 2.
The difference between the second embodiment and the first embodiment is that the control system 3 is composed of a controller 14, the controller 14 is internally provided with a login module 8, a security management module 9, a signal receiving module 10, a communication module 11, a signal transmitting module 12 and a multi-touch module 13, and the controller 14 is internally provided with a current calculating module (not shown in the figure) for calculating the proportion and intensity of the current.
What need specifically say, login module 8 is used for the user to log in capacitive display screen 2, is convenient for the user to the operation of capacitive display screen 2 to safety management module 9 plays the safety control work to capacitive display screen 2, prevents that non-staff from maloperation capacitive display screen 2, causes the damage to capacitive display screen 2, signal reception module 10 is used for receiving the touch signal that capacitive display screen 2 received to the realization is to capacitive display screen 2's touch control, communication module 11 sends the touch signal that signal reception module 10 received to signal emission module 12, thereby makes signal emission module 12 with touch signal transmission to multiple spot touch module 13, thereby realizes capacitive display screen 2's multiple spot touch-control.
EXAMPLE III
Referring to fig. 1, a multi-touch system based on a capacitive display screen includes a multi-touch system 1, where the multi-touch system 1 is composed of a capacitive display screen 2, a control system 3, a wireless communication system 4, and a display system 5.
Specifically, the capacitive display screen 2, the surface of the capacitive display screen 2 is provided with a plurality of gridded touch areas, the edge of each area is correspondingly provided with a plurality of touch emitting diodes and touch receiving diodes, the touch emitting diodes and the touch receiving diodes are installed in a staggered manner, so that multi-point touch of the capacitive display screen 2 is realized, electrodes are arranged around the capacitive display screen 2, the control system 3 is a core of the whole multi-point touch system 1, plays a role in controlling multi-point touch, is positioned in the capacitive display screen 2 and is electrically connected with the capacitive display screen 2, the wireless communication system 4 realizes wireless communication transmission between the capacitive display screen 2 and the control system 3, avoids loss of control after power failure between the capacitive display screen 2 and the control system 3, the display system 5 and the display system 5 are positioned in the capacitive display screen 2, the function of picture display is achieved.
Referring to fig. 2, the touch emitting diode in the capacitive display screen 2 is provided with an emitting unit 6, the touch receiving diode is provided with a receiving unit 7, and the emitting unit 6 and the receiving unit 7 are mutually connected in an interactive manner to form a multi-point touch network.
Referring to fig. 3, the control system 3 is composed of a controller 14, a login module 8, a security management module 9, a signal receiving module 10, a communication module 11, a signal transmitting module 12, and a multi-touch module 13 are disposed in the controller 14, and a current calculating module (not shown) is further disposed in the controller 14 for calculating a ratio and intensity of a current.
It should be specifically described that the login module 8 is used for a user to log in the capacitive display screen 2, so that the user can conveniently use and operate the capacitive display screen 2, and the safety management module 9 performs safety management work on the capacitive display screen 2, so that the capacitive display screen 2 is prevented from being damaged by misoperation of non-working personnel.
The signal receiving module 10 is configured to receive a touch signal received by the capacitive display screen 2, so as to implement touch control on the capacitive display screen 2.
The communication module 11 sends the touch signal received by the signal receiving module 10 to the signal transmitting module 12, so that the signal transmitting module 12 transmits the touch signal to the multi-touch module 13, thereby implementing multi-touch of the capacitive display screen 2.
Referring to fig. 4, the multi-touch module 13 is composed of a main control unit 15, an auxiliary control unit 16, and an intelligent control unit 17.
It should be specifically noted that the main control unit 15 receives the multi-touch information instruction sent by the intelligent control unit 17 and the auxiliary control unit 16, so as to realize main control over the multi-touch module 13.
The auxiliary control unit 16 sends a multi-touch information instruction to the main control unit 15, and the auxiliary main control unit 15 controls the multi-touch module 13 to realize an auxiliary control function.
The intelligent control unit 17 sends a multi-touch information instruction to the main control unit 15, and once the main control unit 15 loses control over the multi-touch module 13, the intelligent control unit 17 realizes autonomous control over the multi-touch module 13, so that the phenomenon that the multi-touch module 13 loses control and affects the work of the capacitive display screen 2 is avoided.
It should be specifically noted that the present invention is composed of a capacitive display screen 2, a control system 3, a wireless communication system 4 and a display system 5, and forms a complete multi-point touch system, and a controller 14 is installed in the control system 3, when touching the screen, because of the electric field of the human body, a coupling capacitor is formed between the finger and the conductor layer of the screen, the current sent by the surrounding electrodes flows to the contact, and the intensity of the current is in direct proportion to the distance from the finger to the electrode, the controller 14 located behind the capacitive display screen 2 calculates the proportion and intensity of the current, and accurately calculates the position of the touch point, thereby realizing the accurate control of the touch point of the multi-point touch system 1, making the finger touch the capacitive display screen 2 more fluent, and being beneficial to the use of the capacitive display screen 2, and the surface of the capacitive display screen 2 adopts a double glass structure, not only having a good protection effect, the influence of external environmental factors on the capacitive display screen 2 is effectively prevented, and even if the capacitive display screen is stained with dirt, dust or oil stain, the position of the touch point can still be accurately calculated by the capacitive display screen 2.
It is obvious to the person skilled in the art that the invention is not limited to the details of the exemplary embodiments described above, and that the invention is not limited thereto
The present invention may be embodied in other specific forms without departing from its spirit or essential characteristics. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. A multipoint touch system based on a capacitive display screen comprises a multipoint touch system (1), and is characterized in that the multipoint touch system (1) consists of a capacitive display screen (2), a control system (3), a wireless communication system (4) and a display system (5);
the capacitive display screen (2), the surface of the capacitive display screen (2) is provided with a plurality of gridded touch areas, the edge of each area is correspondingly provided with a plurality of touch emitting diodes and touch receiving diodes, the touch emitting diodes and the touch receiving diodes are installed in a staggered mode, so that multi-point touch of the capacitive display screen (2) is realized, and electrodes are arranged on the periphery of the capacitive display screen (2);
the control system (3) is the core of the whole multi-point touch system (1), plays a role in controlling multi-point touch, is positioned in the capacitive display screen (2), and is electrically connected with the capacitive display screen (2);
the wireless communication system (4) is used for realizing wireless communication transmission between the capacitive display screen (2) and the control system (3) and avoiding the capacitive display screen (2) and the control system (3) from losing control after power failure;
and the display system (5) is positioned in the capacitive display screen (2) and plays a role in displaying pictures.
2. The multipoint touch system based on the capacitive display screen according to claim 1, wherein a touch emitting diode in the capacitive display screen (2) is provided with a transmitting unit (6), a touch receiving diode is provided with a receiving unit (7), and the transmitting unit (6) and the receiving unit (7) are mutually and interactively connected to form a multipoint touch network.
3. The multi-touch system based on the capacitive display screen is characterized in that the control system (3) is composed of a controller (14), a login module (8), a security management module (9), a signal receiving module (10), a communication module (11), a signal transmitting module (12) and a multi-touch module (13) are arranged in the controller (14), and a current calculating module is further arranged in the controller (14) and used for calculating the proportion and strength of current.
4. The multi-touch system based on the capacitive display screen according to claim 3, wherein the login module (8) is used for a user to log in the capacitive display screen (2), so that the user can conveniently use and operate the capacitive display screen (2), and the safety management module (9) plays a role in safety management of the capacitive display screen (2), so that a non-worker is prevented from misoperation of the capacitive display screen (2) and damage to the capacitive display screen (2).
5. The multi-touch system based on the capacitive display screen according to claim 3, wherein the signal receiving module (10) is configured to receive a touch signal received by the capacitive display screen (2), so as to implement touch control on the capacitive display screen (2).
6. The multi-touch system based on the capacitive display screen according to claim 3, wherein the communication module (11) sends the touch signal received by the signal receiving module (10) to the signal transmitting module (12), so that the signal transmitting module (12) transmits the touch signal to the multi-touch module (13), thereby realizing multi-touch of the capacitive display screen (2).
7. The multi-touch system based on a capacitive display screen according to claim 3, wherein the multi-touch module (13) is composed of a main control unit (15), an auxiliary control unit (16) and an intelligent control unit (17).
8. The multi-touch system based on the capacitive display screen according to claim 7, wherein the main control unit (15) receives multi-touch information commands sent by the intelligent control unit (17) and the auxiliary control unit (16), so as to realize main control of the multi-touch module (13).
9. The multi-touch system based on the capacitive display screen of claim 7, wherein the auxiliary control unit (16) sends a multi-touch information command to the main control unit (15), and assists the main control unit (15) in controlling the multi-touch module (13) to achieve an auxiliary control effect.
10. The multi-touch system based on the capacitive display screen according to claim 7, wherein the intelligent control unit (17) sends a multi-touch information command to the main control unit (15), and once the main control unit (15) loses control over the multi-touch module (13), the intelligent control unit (17) realizes autonomous control over the multi-touch module (13) to prevent the multi-touch module (13) from losing control and affecting the operation of the capacitive display screen (2).
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| CN202210512363.8A CN114637431A (en) | 2022-05-12 | 2022-05-12 | Multi-point touch system based on capacitive display screen |
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| CN202210512363.8A CN114637431A (en) | 2022-05-12 | 2022-05-12 | Multi-point touch system based on capacitive display screen |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104090682A (en) * | 2014-07-29 | 2014-10-08 | Tcl通讯（宁波）有限公司 | Touch system of touch screen and implementing method thereof |
| CN105005241A (en) * | 2015-07-08 | 2015-10-28 | 唐文雄 | Multi-point touch control system and device based on intelligent terminal |
| CN105990907A (en) * | 2016-07-01 | 2016-10-05 | 广州华炜科技有限公司 | Power quality intelligent safety monitoring system and monitoring method thereof |
| CN211479095U (en) * | 2020-04-16 | 2020-09-11 | 苏州大学 | Touch screen and large-size infrared multi-point touch system |
| CN215416606U (en) * | 2021-03-31 | 2022-01-04 | 新唐科技股份有限公司 | Touch control display device |
-
2022
- 2022-05-12 CN CN202210512363.8A patent/CN114637431A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104090682A (en) * | 2014-07-29 | 2014-10-08 | Tcl通讯（宁波）有限公司 | Touch system of touch screen and implementing method thereof |
| CN105005241A (en) * | 2015-07-08 | 2015-10-28 | 唐文雄 | Multi-point touch control system and device based on intelligent terminal |
| CN105990907A (en) * | 2016-07-01 | 2016-10-05 | 广州华炜科技有限公司 | Power quality intelligent safety monitoring system and monitoring method thereof |
| CN211479095U (en) * | 2020-04-16 | 2020-09-11 | 苏州大学 | Touch screen and large-size infrared multi-point touch system |
| CN215416606U (en) * | 2021-03-31 | 2022-01-04 | 新唐科技股份有限公司 | Touch control display device |
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