CN114327147A - Touch screen system - Google Patents
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- CN114327147A CN114327147A CN202111674051.9A CN202111674051A CN114327147A CN 114327147 A CN114327147 A CN 114327147A CN 202111674051 A CN202111674051 A CN 202111674051A CN 114327147 A CN114327147 A CN 114327147A
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Abstract
The embodiment of the invention relates to a touch screen system, which comprises a capacitive sensor, a capacitive detection module, an electromagnetic sensor, an electromagnetic detection module, a hand touch prevention module, a signal screening module and a main controller module, wherein the capacitive sensor is used for detecting the touch of a user, and the main controller module is used for: the capacitive sensor is used for detecting a first operation implemented by an electrostatic capacitance mode; the capacitive detection module is used for generating first detection data based on a first operation on the capacitive sensor and determining first position information; the electromagnetic sensor is used for detecting a second operation implemented by an electromagnetic induction mode; the electromagnetic detection module is used for generating second detection data based on second operation on the electromagnetic sensor and determining second position information; the hand touch prevention module is used for generating a signal screening instruction; the signal screening module is used for screening the first position information and the second position information based on a signal screening instruction sent by the hand touch prevention module and generating display information; the main controller module receives the display information and displays the display information through the display.
Description
Technical Field
The invention relates to a touch screen system, in particular to a touch screen system capable of performing signal interaction with a stylus through two coupling modes.
Background
In order to facilitate the operation, people use a touch screen to work instead of a mouse or a keyboard, a touch detection part is arranged in front of a display screen and used for detecting the touch position of a user and sending the detected touch position information to a touch screen controller, and the touch screen controller mainly has the function of receiving touch information from a touch point detection device, converting the touch information into touch point coordinates and sending the touch point coordinates to a processor, and meanwhile, the touch screen controller can receive and execute commands sent by the processor.
At present, a capacitive touch screen is generally adopted in a mainstream smart phone, and a resistive touch screen is adopted in a few low-end touch phones. The resistance-type touch screen is low in cost, the precision can reach the precision of a single pixel, the operation of a position indicator such as a fingernail and a touch pen is mainly used, but the resistance-type touch screen is soft and is easy to scratch. In contrast, the capacitive touch screen is high in cost, current generated when a finger is in contact with the screen is used for positioning, the precision of the capacitive touch screen can theoretically reach several pixels, but the actual effective range is about one square centimeter, so that the lines of handwriting are very thick and the precision control of strokes is poor no matter writing or drawing is performed on the capacitive touch screen, and it is impossible to draw a straight line on the screen or write several characters in the gaps of an article. The precision that adopts electromagnetic type touch-control technique can reach is higher than capacitanc touch-control screen and resistance-type touch-control screen far away, and especially adapted is drawn a line, is annotated, is kept a record of events in the characters gap, because the electromagnetic induction pen can possess 2048 level forced induction at the highest, also can draw very meticulous picture for the drawing. And electromagnetic type touch panel and capacitive touch screen, resistance-type touch screen are different completely, and its electromagnetic induction board is located the back of display screen, can not influence the display effect of display screen completely, and its luminousness and resolution are all fairly high, and the reaction is sensitive, possess Z axle sensing ability, and need not direct touch screen and can touch-control.
With the continuous development of scientific technology and the higher and higher functional requirements of people on electronic products, some touch screens adopt a mode of combining two screens into one, namely a capacitive touch screen is installed on the surface of the electronic product, an electromagnetic induction plate is installed inside a display screen, the capacitive touch screen is started when a finger or a touch pen is used for operation at ordinary times, the electromagnetic touch screen is started when an electromagnetic pen is used for operation, the electronic equipment can be controlled in multiple input modes through the mode of combining two screens into one, and the application range of the electronic equipment is expanded. However, the dual-screen integration method often causes the phenomenon that the user's hand inadvertently touches the touch screen to activate the capacitive touch screen for indication and identification when using the electromagnetic pen, and in addition, the prior art cannot realize simultaneous operation of multiple input methods, which is inconvenient for multiple users to perform operation and input simultaneously. Therefore, it is necessary to design a touch screen system capable of preventing accidental hand touch and simultaneously operating multiple input modes.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a touch screen system which can prevent accidental hand touch and can realize simultaneous operation of multiple input modes.
To achieve the above object, the present invention provides a touch screen system, including:
a capacitive sensor for detecting a first operation implemented by an electrostatic capacitance manner;
the capacitive detection module is used for generating first detection data based on the first operation on the capacitive sensor and determining first position information indicated by the first operation according to the first detection data;
an electromagnetic sensor for detecting a second operation performed by electromagnetic induction;
the electromagnetic detection module is used for generating second detection data based on the second operation on the electromagnetic sensor and determining second position information indicated by the second operation based on the second detection data;
the hand touch prevention module is used for generating a signal screening instruction;
the signal screening module is used for screening the first position information sent by the capacitive detection module and the second position information sent by the electromagnetic detection module based on the signal screening instruction sent by the hand touch prevention module, and generating display information according to a screening result;
and the main controller module is used for receiving the display information sent by the signal screening module, analyzing the display information and displaying the display information through a display.
Preferably, the capacitive detection module comprises a pen detection signal generation module, a pen detection module, a hand touch detection signal generation module, a hand touch detection module, a selection module and a first controller; the first detection data comprises pen detection position data and hand touch position data;
the pen measurement signal generation module is used for generating a pen indication signal which is sent to the touch pen through the capacitive sensor;
the pen measurement module is used for detecting the pen indication position of the stylus on the capacitive sensor and generating pen measurement position data;
the hand touch detection signal generation module is used for generating a hand touch detection signal and sending the hand touch detection signal to the hand touch detection module and the capacitive sensor;
the hand touch detection module is used for detecting a hand touch indication position on the capacitive sensor and generating hand touch position data;
the selection module is used for performing data selection on the pen testing position data sent by the pen testing module and the hand touch position data sent by the hand touch detection module and sending the selected data to the first controller;
the first controller is configured to generate the first location information based on the selected data.
Further preferably, the capacitive detection module further comprises a time division multiplexer; the time division multiplexer is used for switching the capacitive sensor and the pen detection signal generation module, the pen detection module, the hand touch detection signal generation module and the connection between the hand touch detection modules.
Still further preferably, the capacitive detection module further includes a first memory, and the first memory is connected to the first controller and is configured to store the first position information.
Preferably, the electromagnetic detection module comprises a pen pressure detection module, a position detection module and a second controller; the second detection data comprises pen pressure data and position indication data;
the pen pressure detection module is used for detecting pen pressure applied to an electromagnetic pen which performs indication operation on the electromagnetic sensor and generating the pen pressure data;
the position detection module is used for detecting the indication position of the electromagnetic pen on the electromagnetic sensor and generating the position indication data;
the second controller receives the pen pressure data sent by the pen pressure detection module and the position indication data sent by the position detection module, and generates the second position information based on the pen pressure data and the position indication data.
Further preferably, the electromagnetic detection module further includes a second memory, and the second memory is connected to the second controller and is configured to store the second position information.
Preferably, the touch screen system further includes a main memory, and the main memory is connected to the main controller module and is used for storing the display information.
Preferably, the touch screen system further comprises a hand touch prevention switch, and the hand touch prevention switch is used for starting the hand touch prevention module to generate the signal screening instruction.
Preferably, the touch screen system further comprises a power module and a power switch, the power module is connected with the capacitive sensor, the capacitive detection module, the electromagnetic sensor, the electromagnetic detection module, the hand touch prevention module, the signal screening module, the display and the main controller module, and the power switch is connected with the power module.
Preferably, the touch screen system further comprises a wireless communication module, and the wireless communication module is connected with the main controller module.
According to the touch screen system provided by the embodiment of the invention, an input mode of integrating the capacitive sensor and the electromagnetic sensor into a whole is adopted, the recognized input is screened according to the operation setting of a user, and the screened operation information is correspondingly displayed. On the one hand, when preventing that the hand touch module opens, only can show the operating information that an input mode instructed, can avoid because the unexpected hand touches the operation input of produced non-user's wish, on the other hand, when preventing that the hand touch module closes, multiple input mode can operate simultaneously, can reach many people concurrent operation and each other not influence the effect, can satisfy people's user demand.
Drawings
Fig. 1 is a block diagram of a touch screen system according to an embodiment of the present invention;
fig. 2 is a block diagram illustrating a capacitive detection module of a touch screen system according to an embodiment of the present invention;
fig. 3 is a block diagram of an electromagnetic detection module of a touch screen system according to an embodiment of the present invention.
Detailed Description
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
The embodiment of the invention relates to a touch screen system, which screens recognized input according to the operation setting of a user, correspondingly displays the screened operation information, can only display the operation information indicated by one input mode when a hand touch prevention module is started, can avoid operation input which is not intended by the user and is generated by accidental hand touch, can simultaneously operate a plurality of input modes when the hand touch prevention module is closed, can achieve the effect that a plurality of people operate simultaneously and do not influence each other, and meets the use requirements of people.
Fig. 1 is a block diagram of a touch screen system according to an embodiment of the present invention. In conjunction with FIG. 1:
the touch screen system provided by the embodiment of the invention adopts a mode of combining two screens, namely a mode of combining a capacitive touch screen and an electromagnetic touch screen, and comprises the following components: the device comprises a capacitive sensor 1, a capacitive detection module 2, an electromagnetic sensor 3, an electromagnetic detection module 4, a hand touch prevention module 5, a signal screening module 6, a main controller module 7, a main memory 8, a hand touch prevention switch 9, a wireless communication module 10, a power supply module (not shown in the figure), a power supply switch (not shown in the figure) and a display (not shown in the figure).
Specifically, the capacitive sensor 1 is used to detect a first operation implemented by means of electrostatic capacitance; the capacitive detection module 2 is configured to generate first detection data based on a first operation on the capacitive sensor 1, and determine first position information indicated by the first operation according to the first detection data; the electromagnetic sensor 3 is used to detect a second operation implemented by means of electromagnetic induction; the electromagnetic detection module 4 is configured to generate second detection data based on a second operation on the electromagnetic sensor 3, and determine second position information of a second operation instruction based on the second detection data; the hand touch prevention module 5 is used for generating a signal screening instruction; the hand touch prevention switch 9 is used for starting the hand touch prevention module 5 to generate a signal screening instruction; the signal screening module 6 is used for screening the first position information sent by the capacitive detection module 2 and the second position information sent by the electromagnetic detection module 4 based on a signal screening instruction sent by the hand touch prevention module 5, and generating display information according to a screening result; the main controller module 7 receives the display information sent by the signal screening module 6, analyzes the display information and displays the display information through a display; the main memory 8 is used for storing display information, and the main memory 8 is connected with the main controller module 7; the wireless communication module 10 is used for information communication with a touch pen or an electromagnetic pen, and the wireless communication module 10 is connected with the main controller module 7.
The functions of the modules in the touch screen system are introduced, and the electrical connection relationship and the working principle of each module in the touch screen system are introduced below.
The input end of the main controller module 7 is electrically connected with the output ends of the signal screening module 6 and the wireless communication module 10 respectively, and the output end of the main controller module 7 is electrically connected with the input ends of the capacitive sensor 1, the capacitive detection module 2, the electromagnetic sensor 3, the electromagnetic detection module 4, the hand touch prevention module 5, the signal screening module 6, the main memory 8, the wireless communication module 10 and the display respectively; the capacitive sensor 1 is electrically connected with the capacitive detection module 2; the electromagnetic sensor 3 is electrically connected with the electromagnetic detection module 4; the output ends of the capacitive detection module 2 and the electromagnetic detection module 4 are respectively electrically connected with the input end of the signal screening module 6; the output end of the hand touch prevention module 5 is also electrically connected with the input end of the signal screening module 6, and the input end of the hand touch prevention module 5 is electrically connected with the output end of the hand touch prevention switch 9.
In addition, the power module supplies power to other modules in the touch screen system, the power switch controls the power supply of the power module, the power module is connected with the capacitive sensor 1, the capacitive detection module 2, the electromagnetic sensor 3, the electromagnetic detection module 4, the hand touch prevention module 5, the signal screening module 6, the display and the main controller module 7, and the power switch is connected with the power module.
And the power supply module is started through the power switch to supply power to the touch screen system, and the touch screen system works normally. When the user only needs to adopt one input mode and wants to avoid the unintended input operation caused by accidental hand touch, the user starts the anti-hand touch mode through the anti-hand touch switch 9, the anti-hand touch module 5 works to generate a signal screening instruction and send the signal screening instruction to the signal screening module 6, so that the signal screening module 6 screens the first position information sent by the capacitive detection module 2 and the second position information sent by the electromagnetic detection module 4, generates display information according to the screening result and sends the display information to the main controller module 7, when the main controller module 7 analyzes the information sent by the current signal screening module 6 as display information, on one hand, the main controller module 7 sends the display information to the main memory 8 for data storage, and on the other hand, the main controller module 7 sends the display information to the display for feedback display of corresponding operation; when a plurality of people use the touch screen system together or a user wants to adopt a plurality of input modes simultaneously, the user turns off the anti-hand touch mode through the anti-hand touch switch 9, the anti-hand touch module 5 does not send a signal screening instruction to the signal screening module 6, the signal screening module 6 receives first position information sent by the capacitive detection module 2 and second position information sent by the electromagnetic detection module 4, the first position information and the second position information generate display information together, and then the display information is sent to the main controller module 7. When the touch screen system is started, the touch-preventing starting mode is defaulted.
Preferably, when the signal filtering module 6 filters the position information, the second position information is used as the filtering result when the first position information and the second position information exist at the same time, the first position information is used as the filtering result when only the first position information exists, and the second position information is used as the filtering result when only the second position information exists.
As can be seen from fig. 1, the overall module structure and the connection relationship of the touch screen system according to the embodiment of the invention are shown. The capacitive detection module and the electromagnetic detection module are described in detail below with reference to fig. 2 and 3.
Fig. 2 is a block diagram of a capacitive detection module of a touch screen system according to an embodiment of the present invention. As shown in fig. 2:
the capacitive detection module includes a pen test signal generation module 21, a pen test module 22, a hand touch detection signal generation module 23, a hand touch detection module 24, a selection module 25, a first controller 26, a time division multiplexer 27, and a first memory 28.
Specifically, the functions of each module in the capacitive detection module are as follows: the stylus signal generating module 21 is configured to generate a stylus indication signal sent to the stylus through a capacitive sensor (not shown in the figure); the pen measurement module 22 is configured to detect a pen indication position of the stylus on the capacitive sensor, and generate pen measurement position data; the hand touch detection signal generation module 23 is configured to generate a hand touch detection signal and send the hand touch detection signal to the hand touch detection module 24 and the capacitive sensor; the hand touch detection module 24 is configured to detect a hand touch indication position on the capacitive sensor and generate hand touch position data; the selection module 25 is configured to perform data selection on the pen measurement position data sent by the pen measurement module 22 and the hand touch position data sent by the hand touch detection module 24, and send the selected data to the first controller 26; the first controller 26 is configured to generate first location information based on the selected data; the time division multiplexer 27 is used to switch the connections between the capacitive sensor and the pen-test signal generation module 21, the pen-test module 22, the hand-touch detection signal generation module 23, and the hand-touch detection module 24, i.e., data from a plurality of different sources is decomposed into parts, and the parts are transmitted in a prescribed order; a first memory 28 is connected to the first controller 26 for storing first position information. Wherein the pen position data and the hand touch position data constitute first detection data.
The connection relationship between the modules in the capacitive detection module is further described. The input end of the first controller 26 is electrically connected to the output end of the selection module 25, and the output end of the first controller 26 is electrically connected to the input ends of the pen test signal generation module 21, the pen test module 22, the hand touch detection signal generation module 23, the hand touch detection module 24, the selection module 25, the time division multiplexer 27, and the first memory 28, respectively; the time division multiplexer 27 is electrically connected with the pen test signal generation module 21, the pen test module 22, the hand touch detection signal generation module 23 and the hand touch detection module 24 respectively; the input end of the pen test module 22 is electrically connected with the pen test signal generation module 21 and the output end of the capacitive sensor respectively, and the output end of the pen test module 22 is electrically connected with the input end of the selection module 25; the input end of the hand touch detection module 24 is electrically connected to the hand touch detection signal generation module 23 and the output end of the capacitive sensor, respectively, and the output end of the hand touch detection module 24 is electrically connected to the input end of the selection module 25.
When a user performs an indication operation on the capacitive touch screen, the first controller 26 controls the stylus signal generation module 21 to generate a stylus indication signal transmitted to the stylus through the capacitive sensor according to a corresponding operation setting, and transmits the stylus indication signal to the time division multiplexer 27, the stylus indication signal mainly includes a frequency setting instruction used by the stylus, a setting instruction of a stylus signal transmission time, and the like, the stylus indication signal can be set to different instructions according to different requirements, the stylus signal generation module 21 further transmits a signal to the stylus measurement module 22, so that the stylus measurement module 22 detects a position of the stylus on the capacitive sensor, generates stylus location position data, and transmits the stylus location data to the selection module 25, and at the same time, the first controller 26 controls the hand touch detection signal generation module 23 to generate a hand touch detection signal, and transmits the hand touch detection signal to the time division multiplexer 27, and an electrostatic capacitance in the capacitive sensor changes at a position indicated by a hand, the hand touch detection module 24 detects the indicated position on the capacitive sensor by detecting the change in the electrostatic capacitance, generates hand touch position data, and transmits the hand touch position data to the selection module 25. The selection module 25 performs data selection on the pen-measured position data and the hand-touched position data according to the control information of the first controller 26, and sends the selected data to the first controller 26, and the first controller 26 analyzes the data and generates first position information according to the data, stores the first position information in the first memory 28, and sends the first position information to the signal screening module 6.
Preferably, when the selection module 25 simultaneously receives the pen position data and the hand position data, the selection module 25 selects the pen position data as the selected data, that is, the hand touch input is regarded as an input of an accidental hand touch when the input is performed using the stylus pen. Of course, according to different requirements of users, the pen-measured position data and the hand-touched position data can be simultaneously used as selected data, that is, two input modes of a touch pen and a hand touch are simultaneously adopted.
Fig. 3 is a block diagram of an electromagnetic detection module of a touch screen system according to an embodiment of the present invention. As shown in connection with fig. 3:
the electromagnetic detection module includes a pen pressure detection module 41, a position detection module 42, a second controller 43, and a second memory 44.
Specifically, each module in the electromagnetic detection module has the following functions: the pen pressure detection module 41 is configured to detect a pen pressure applied to an electromagnetic pen that performs a pointing operation on an electromagnetic sensor (not shown in the figure), and generate pen pressure data; the position detection module 42 is used for detecting the indication position of the electromagnetic pen on the electromagnetic sensor and generating position indication data; the second controller 43 receives the pen pressure data sent by the pen pressure detection module 41 and the position indication data sent by the position detection module 42, and generates second position information based on the pen pressure data and the position indication data; the second memory 44 is connected to the second controller 43 for storing the second position information. Wherein the stroke data and the position indication data constitute second detection data.
The connection relationship among the modules in the electromagnetic detection module is further described. The second controller 43 is electrically connected to the stroke pressure detecting module 41 and the position detecting module 42, respectively, an output end of the second controller 43 is electrically connected to an input end of the second memory 44, and the stroke pressure detecting module 41 and the position detecting module 42 are further electrically connected to the electromagnetic sensor, respectively.
When a user performs an indication operation on the electromagnetic touch screen, the pressure detection module 41 detects a pressure applied to the electromagnetic pen by the electromagnetic sensor and sends detected pressure data to the second controller 43, the position detection module 42 detects an indication position of the electromagnetic pen on the electromagnetic sensor and sends detected position indication data to the second controller 43, and the second controller 43 generates second position information according to the pressure data and the position indication data, stores the second position information in the second memory 44, and sends the second position information to the signal screening module 6.
The above is a description of the modules of the touch screen system, the connection relationship among the modules, and the functions of the modules, and the following is a detailed description of one of the operating principles of the touch screen system with reference to fig. 1 to 3.
In the present embodiment, the user controls the anti-hand-touch module 5 through the anti-hand-touch switch 9, so as to freely switch the anti-hand-touch on mode and the anti-hand-touch off mode. When the touch screen system is in a hand touch prevention opening mode, if the capacitive detection module 2 detects pen-measured position data and hand touch position data at the same time, the selection module 25 takes the pen-measured position data as first position information, if the capacitive detection module 2 detects only one of the pen-measured position data and the hand touch position data, the detected data is taken as the first position information, if the signal screening module 6 receives the first position information and the second position information at the same time, the second position information with higher precision is taken as a screening result to be displayed, and if only one of the first position information and the second position information is received, the received information is taken as the screening result to be displayed; when the touch screen system is in the anti-hand-touch off mode, the selection module 25 takes all received data as first position information, and the signal screening module 6 displays all received information as screening results.
In addition, the user can set the main controller module 7, the first controller 26 and the second controller 43, so as to set the screening operation of the selection module 25 and the signal screening module 6, and complete the matching of different input modes.
According to the touch screen system provided by the embodiment of the invention, an input mode of integrating the capacitive sensor and the electromagnetic sensor into a whole is adopted, the recognized input is screened according to the operation setting of a user, and the screened operation information is correspondingly displayed. On the one hand, when preventing that the hand touch module opens, only can show the operating information that an input mode instructed, can avoid because the unexpected hand touches the operation input of produced non-user's wish, on the other hand, when preventing that the hand touch module closes, multiple input mode can operate simultaneously, can reach many people concurrent operation and each other not influence the effect, can satisfy people's user demand.
Those of skill would further appreciate that the various illustrative components and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, computer software, or combinations of both, and that the various illustrative components and steps have been described above generally in terms of their functionality in order to clearly illustrate this interchangeability of hardware and software. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
The steps of a method or algorithm described in connection with the embodiments disclosed herein may be embodied in hardware, a software module executed by a processor, or a combination of the two. A software module may reside in Random Access Memory (RAM), memory, Read Only Memory (ROM), electrically programmable ROM, electrically erasable programmable ROM, registers, hard disk, a removable disk, a CD-ROM, or any other form of storage medium known in the art.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. A touch screen system, comprising:
a capacitive sensor for detecting a first operation implemented by an electrostatic capacitance manner;
the capacitive detection module is used for generating first detection data based on the first operation on the capacitive sensor and determining first position information indicated by the first operation according to the first detection data;
an electromagnetic sensor for detecting a second operation performed by electromagnetic induction;
the electromagnetic detection module is used for generating second detection data based on the second operation on the electromagnetic sensor and determining second position information indicated by the second operation based on the second detection data;
the hand touch prevention module is used for generating a signal screening instruction;
the signal screening module is used for screening the first position information sent by the capacitive detection module and the second position information sent by the electromagnetic detection module based on the signal screening instruction sent by the hand touch prevention module, and generating display information according to a screening result;
and the main controller module is used for receiving the display information sent by the signal screening module, analyzing the display information and displaying the display information through a display.
2. The touch screen system of claim 1, wherein the capacitive detection module comprises a pen detection signal generation module, a pen detection module, a hand detection signal generation module, a hand detection module, a selection module, and a first controller; the first detection data comprises pen detection position data and hand touch position data;
the pen measurement signal generation module is used for generating a pen indication signal which is sent to the touch pen through the capacitive sensor;
the pen measurement module is used for detecting the pen indication position of the stylus on the capacitive sensor and generating pen measurement position data;
the hand touch detection signal generation module is used for generating a hand touch detection signal and sending the hand touch detection signal to the hand touch detection module and the capacitive sensor;
the hand touch detection module is used for detecting a hand touch indication position on the capacitive sensor and generating hand touch position data;
the selection module is used for performing data selection on the pen testing position data sent by the pen testing module and the hand touch position data sent by the hand touch detection module and sending the selected data to the first controller;
the first controller is configured to generate the first location information based on the selected data.
3. The touch screen system of claim 2, wherein the capacitive detection module further comprises a time division multiplexer; the time division multiplexer is used for switching the capacitive sensor and the pen detection signal generation module, the pen detection module, the hand touch detection signal generation module and the connection between the hand touch detection modules.
4. The touch screen system of claim 3, wherein the capacitive detection module further comprises a first memory, and the first memory is connected to the first controller and is configured to store the first location information.
5. The touch screen system of claim 1, wherein the electromagnetic detection module comprises a pen pressure detection module, a position detection module, and a second controller; the second detection data comprises pen pressure data and position indication data;
the pen pressure detection module is used for detecting pen pressure applied to an electromagnetic pen which performs indication operation on the electromagnetic sensor and generating the pen pressure data;
the position detection module is used for detecting the indication position of the electromagnetic pen on the electromagnetic sensor and generating the position indication data;
the second controller receives the pen pressure data sent by the pen pressure detection module and the position indication data sent by the position detection module, and generates the second position information based on the pen pressure data and the position indication data.
6. The touch screen system of claim 5, wherein the electromagnetic detection module further comprises a second memory, and the second memory is connected to the second controller and is configured to store the second location information.
7. The touch screen system of claim 1, further comprising a main memory coupled to the main controller module for storing the display information.
8. The touch screen system of claim 1, further comprising a hand touch prevention switch configured to activate the hand touch prevention module to generate the signal screening instruction.
9. The touch screen system of claim 1, further comprising a power module and a power switch, wherein the power module is connected to the capacitive sensor, the capacitive detection module, the electromagnetic sensor, the electromagnetic detection module, the hand touch prevention module, the signal screening module, the display and the main controller module, and the power switch is connected to the power module.
10. The touch screen system of claim 1, further comprising a wireless communication module coupled to the main controller module.
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| CN102253774A (en) * | 2010-05-21 | 2011-11-23 | 汉王科技股份有限公司 | Information input device and method with function of eliminating mutual interference among sensing signals |
| CN102640097A (en) * | 2010-10-28 | 2012-08-15 | 赛普拉斯半导体公司 | Capacitive stylus with palm rejection |
| CN202003335U (en) * | 2011-02-25 | 2011-10-05 | 李敏 | Electronic device and touch screen thereof |
| CN202615269U (en) * | 2012-03-26 | 2012-12-19 | 深圳市金研微科技有限公司 | Electronic system and novel flat computer realizing function of visually touching drawing board |
| CN203350842U (en) * | 2013-04-22 | 2013-12-18 | 浙江图讯科技有限公司 | Novel tablet personal computer with visualized touch drawing board function based on mobile WEB sketch cooperated drawing system |
| CN104252254A (en) * | 2013-06-25 | 2014-12-31 | 宏碁股份有限公司 | Touch input source selecting method and electronic device |
| CN205942625U (en) * | 2016-05-31 | 2017-02-08 | 深圳市合触科技有限公司 | Information generation system is pressed to pen of electromagnetic type touch -control pen |
| CN205910682U (en) * | 2016-08-24 | 2017-01-25 | 广州兆威电子科技股份有限公司 | Based on electromagnetic type handwriting sharing touch -control system |
| CN110377170A (en) * | 2019-07-18 | 2019-10-25 | 汉王科技股份有限公司 | A kind of touch-control handwriting pen and its control method |
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