CN101042625A - Electromagnetic induction interactive electronic white board and system thereof - Google Patents
Electromagnetic induction interactive electronic white board and system thereof Download PDFInfo
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- CN101042625A CN101042625A CNA2006100600275A CN200610060027A CN101042625A CN 101042625 A CN101042625 A CN 101042625A CN A2006100600275 A CNA2006100600275 A CN A2006100600275A CN 200610060027 A CN200610060027 A CN 200610060027A CN 101042625 A CN101042625 A CN 101042625A
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Abstract
This invention relates to one electromagnetic sense interacting electron board and system, which comprises input part, edge frame on input part, control circuit and computer connected interface or outside wireless radio frequency module, wherein, the control circuit comprises micro processor and control circuit; the input part comprises write layer and down sensor layer; the sense layer output is connected to control circuit; the sense layer comprises sense coils along X and Y axis directions with cross points insulated; the micro processor is set with time division operation program to generate different frequency wave electron pen and other operation; the system comprises electron board and more than different radio electromagnetic wave electron pen.
Description
Technical field
The system that the present invention relates to a kind of electronic whiteboard and use this electronic whiteboard more particularly, relates to a kind of electromagnetic induction interactive electronic white board and uses the system of this electronic whiteboard.
Background technology
Along with development of electronic technology, electronic whiteboard has appearred in recent years, and be that the Chinese patent ZL02257337.2 on September 16th, 2002 discloses a kind of " electronic whiteboard of inner conductors network electromagnetic inductive layer " as the applying date.This electronic whiteboard comprises the importation, frame and control circuit, the importation comprises writing layer, bottom support holder layer and the input inductive layer between this is two-layer, the output connection control circuit of input inductive layer, the input inductive layer by lead respectively along X, Y direction turns to the intertwining geographic mesh that interweaves, electronic pen content written on blank can be converted to electric signal, the computer that input is connected, realized on computers the blank content of writing of submitting a written statement to a higher authority is edited, storage, duplicate, print, the operation of electronization such as remote transmission, thus blank and modern computer information processing are connected.
This electronic whiteboard can detect the positional information that electronic pen is write, and can send this information to connected computing machine, the screen picture that this positional information and computing machine are produced combines, project on the interactive electronic white board by projector, like this, just constituted a complete interactive demonstration system, the user can be easily with electronic pen on electronic whiteboard to the computer screen content edit, revise, mark etc., just as using mouse direct control computing machine.
But, this electronic whiteboard can only allow an electronic pen to write or operate at one time, be that electronic whiteboard can only detect and handle a positional information of electronic pen at one time, when using two or many electronic pens simultaneously when an electronic whiteboard is operated, information processing confusion and mistake will appear.These characteristics of existing electronic whiteboard make its use be subjected to bigger restriction.
Summary of the invention
The technical problem to be solved in the present invention one is, a kind of electromagnetic induction interactive electronic white board is provided, and can use many to write simultaneously or operate, and solving existing blank can not many problem of operating simultaneously.
The technical problem to be solved in the present invention two is, a kind of system that uses above-mentioned electromagnetic induction interactive electronic white board is provided, and this system can be implemented on the above-mentioned electromagnetic induction interactive electronic white board and to use many and write simultaneously or operate.
The present invention solves the technical scheme that its technical matters one adopted: a kind of electromagnetic induction interactive electronic white board is provided, comprise the importation, be enclosed in frame, control circuit and the interface that is connected with computer of importation periphery or external line radio-frequency module, described control circuit comprises microprocessor and microprocessor control circuit, described importation comprises writing layer and the inductive layer that is positioned under the writing layer, and the output of this inductive layer connects described control circuit; This inductive layer comprises respectively to be arranged and mutual crisscross inductive coil along X, Y direction, the point of crossing mutually insulated of inductive coil, it is characterized in that, described microprocessor configuration time-sharing operation program, to many produce the electromagnetic electronic pens of different frequency write or other operations are discerned.
In electromagnetic induction interactive electronic white board of the present invention, described control circuit, the interface that is connected with computer are arranged in the described frame, and described interface is serial line interface or USB interface.
In electromagnetic induction interactive electronic white board of the present invention, described control circuit also comprises multi-way switch, signal amplification circuit, filtering circuit.
The present invention solves the technical scheme that its technical matters two adopted: a kind of system that uses electromagnetic induction interactive electronic white board is provided, comprises computer, projector, electromagnetic induction interactive electronic white board and electronic pen; Described electromagnetic induction interactive electronic white board comprises the importation, is enclosed in the frame of importation periphery, control circuit and the interface or the wireless radio frequency modules that are connected with described computer, described control circuit comprises microprocessor and microprocessor control circuit, described importation comprises writing layer and the inductive layer that is positioned under the writing layer, and the output of this inductive layer connects described control circuit; This inductive layer comprises respectively to be arranged and mutual crisscross inductive coil along X, Y direction, the point of crossing mutually insulated of inductive coil, described microprocessor configuration time-sharing operation program, to many produce the electromagnetic electronic pens of different frequency write or other operations are discerned; This electromagnetic induction interactive electronic white board is connected with described pcs signal and cooperates with described electronic pen to produce to be write or operation signal is transferred to described computer; Described projector is connected with described pcs signal and the integrate information of this computer is projected on this electromagnetic induction interactive electronic white board; It is characterized in that described electronic pen is more than two, every electronic pen produces the electromagnetic wave of different frequency.
In the system of use electromagnetic induction interactive electronic white board of the present invention, described electronic pen comprises electromagnetic wave generating device, and this electromagnetic wave generating device comprises the electromagnetic oscillation circuit.
In the system of use electromagnetic induction interactive electronic white board of the present invention, described electromagnetic oscillation circuit comprises switch and two or more electromagnetic oscillation elements combination, and the on off operating mode by described switch makes described electromagnetic oscillation circuit obtain separately electromagnetic oscillation elements combination respectively to carry out work and send the electromagnetic wave of frequency separately.
In the system of use electromagnetic induction interactive electronic white board of the present invention, described electromagnetic oscillation element comprises electric capacity and coil, described electromagnetic oscillation circuit comprises that a plurality of electric capacity arranged side by side connect with a coil, described switch is one or more, and described a plurality of electric capacity arranged side by side have a described switch of series connection at least.
In the system of use electromagnetic induction interactive electronic white board of the present invention, described electromagnetic oscillation element comprises electric capacity and coil, described electromagnetic oscillation circuit comprises a plurality of coils arranged side by side and a capacitances in series, described switch is one or more, and described a plurality of coils arranged side by side have a described switch of series connection at least.
In the system of use electromagnetic induction interactive electronic white board of the present invention, described electromagnetic oscillation element comprises electric capacity and coil, described electromagnetic oscillation circuit comprises many groups electromagnetic oscillation unit in parallel, described electromagnetic oscillation unit comprises the coil and the electric capacity of mutual series connection, described switch is one or more, at least one group of described switch of described electromagnetic oscillation units in series.
In the system of use electromagnetic induction interactive electronic white board of the present invention, also comprise shell, described electromagnetic wave generating device is installed in the described shell, and described switch is arranged on the described shell and exposes to described shell.
Implement electromagnetic induction interactive electronic white board of the present invention and system, its beneficial effect is: solved many identification problems of using simultaneously of interactive electronic white board, realize the function that a plurality of users discuss, write simultaneously on electronic whiteboard, promoted the ease of use of interactive electronic white board greatly.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the system schematic that the present invention uses electromagnetic induction interactive electronic white board.
Fig. 2 is the structural representation of electromagnetic induction interactive electronic white board of the present invention.
Fig. 3 is the structure partial diagrammatic cross-section of electromagnetic induction interactive electronic white board of the present invention.
Fig. 4 is the STRUCTURE DECOMPOSITION synoptic diagram of electromagnetic induction interactive electronic white board of the present invention.
Fig. 5 is that the present invention uses one group of electronic pen synoptic diagram in the system of electromagnetic induction interactive electronic white board.
Fig. 6 is the electromagnetic wave generating device synoptic diagram of electronic pen.
Fig. 7 is the schematic appearance of a kind of embodiment of electronic pen.
Fig. 8 is the electromagnetic oscillation circuit embodiment one that the present invention uses electronic pen in the system of electromagnetic induction interactive electronic white board.
Fig. 9 is the electromagnetic oscillation circuit embodiment two that the present invention uses electronic pen in the system of electromagnetic induction interactive electronic white board.
Figure 10 is the electromagnetic oscillation circuit embodiment three that the present invention uses electronic pen in the system of electromagnetic induction interactive electronic white board.
Embodiment
Fig. 2 to Fig. 4 shows the structural representation of electromagnetic induction interactive electronic white board of the present invention.As shown in Figure 2, this electromagnetic induction interactive electronic white board 1 comprises importation 101, frame 102, control circuit (not shown) and interface (not shown) that is connected with computer or wireless radio frequency modules (not shown), control circuit comprises microprocessor and microprocessor control circuit (not shown), and frame 102 is enclosed in importation 101 peripheries.Control circuit, the interface that is connected with computer or wireless radio frequency modules are arranged in the frame 102 usually, and control circuit, the interface that is connected with computer or wireless radio frequency modules also can be arranged on other positions of electronic whiteboard 1 such as the rear side of plate certainly, or the below of blank.
As shown in Figure 3, Figure 4, importation 101 comprises writing layer 11 (low reflecting surface wear-resistance thin film), is positioned at supporting layer 12 and inductive layer 13 under the writing layer, and inductive layer 13 is pasted under writing layer 11 and the supporting layer 12.This inductive layer 13 comprises the integrated electromagnetic tablet, and the output connection control circuit of electromagnetic induction plate, electromagnetic induction plate comprise respectively arranges and mutual crisscross inductive coil the point of crossing mutually insulated of inductive coil along X, Y direction.Microprocessor configuration time-sharing operation program.
The interface that electronic whiteboard 1 is connected with computer can adopt serial line interface or USB interface.
Control circuit also comprises multi-way switch, signal amplification circuit and filtering circuit.
In the present embodiment, for guaranteeing the serviceable life of writing layer 11, below writing layer 11, be provided with supporting layer 12.In other embodiment, also supporting layer 12 can be set.
As shown in Figure 1, when electronic pen 2 is write on electronic whiteboard 1 or other whens operation, produce induction electromotive force in the coil of electromagnetic wave relevant position on electronic whiteboard 1 that electronic pen 2 is produced, the frequency of this induced voltage is identical with the electromagnetic frequency that electronic pen produces, the waveform basically identical, this induction electromotive force is through after amplifying shaping, the Be Controlled electric circuit inspection arrives, microprocessor in the electronic whiteboard 1 can detect the frequency of this induction electromotive force, thereby detects electromagnetic frequency and corresponding status information thereof that electronic pen 2 produces; After microprocessor detects induction electromotive force and amplitude thereof in certain coil, microprocessor passes through time-sharing operation, can accurately calculate the coordinate of electronic pen 2, microprocessor is sent to the computer that is connected with the status information of corresponding coordinate information and electronic pen 2 by serial ports or USB mouth or wireless communication module.
As shown in Figure 5, adopt one group can produce the electromagnetic electronic pen 21 of different frequency, 22,23, when these electronic pens during simultaneously at electronic whiteboard 1 enterprising line operate, microprocessor in the electronic whiteboard 1 timesharing apace detects the different frequency of these electronic pens, tell different electronic pens and state thereof, calculate the accurate coordinates of these electronic pens simultaneously respectively, microprocessor is in real time with the numbering of detected pen, information such as state and position sends the computer that is connected to, computer is handled respectively these information, thereby realizes that many electronic pens operate on electronic whiteboard 1 simultaneously.
Fig. 1 shows the system schematic that the present invention uses electromagnetic induction interactive electronic white board.As shown in Figure 1, this system comprises computer 4, projector 5, electromagnetic induction interactive electronic white board 1 and electronic pen 2.Electromagnetic induction interactive electronic white board 1 adopts the electromagnetic induction interactive electronic white board of the invention described above.Electromagnetic induction interactive electronic white board 1 adopts cable 3 to be connected with computer 4 signals by its computer interface, or adopt wireless radio frequency modules to be connected with computer 4 signals, electromagnetic induction interactive electronic white board 1 cooperate with electronic pen 2 produce write or operation signal after and be transferred to computer 4, projector 5 is connected with computer 4 signals and the integrate information of computer 4 is projected on the electromagnetic induction interactive electronic white board 1.Adopt two (or many) electronic pens 2 simultaneously electromagnetic induction interactive electronic white board 1 to be write or other operations, every electronic pen 2 produces the electromagnetic wave of different frequency.
Fig. 6, Fig. 7 show a kind of embodiment of the electronic pen that uses the electromagnetic induction interactive electronic white board system.This electronic pen 2 comprises electromagnetic wave generating device 7 (as shown in Figure 6), and this electromagnetic wave generating device 7 is installed in the shell 20.
Electromagnetic wave generating device 7 comprises the electromagnetic oscillation circuit.Electromagnetic wave generating device 7 can adopt and produce the electromagnetic circuit structure of single-frequency, also can adopt the circuit structure that produces the multi-frequency electromagnetic ripple.Fig. 8, Fig. 9, Figure 10 show three kinds of embodiments of electromagnetic oscillation circuit respectively.
As shown in Figure 8, the electromagnetic oscillation circuit comprises coil 71, a plurality of electric capacity arranged side by side 72 and a plurality of switch 73, and switch 73 is connected with electric capacity 72 respectively, and coil 71 is connected with a plurality of electric capacity arranged side by side 72.Can obtain the combination of different electric capacity and coil by the on off operating mode of switch 73, thereby make the electromagnetic oscillation circuit can produce different oscillation frequency.
In the present embodiment, switch 73 of each electric capacity 72 series connection.In other embodiments, the branch road of the electric capacity 72 that has can be provided with switch 73 and obtain the combination of the electric capacity and the coil of a basic fixed, but, will have an electric capacity 72 to connect at least with switch 73 in order to reach the combination of adjusting electric capacity and coil.
As shown in Figure 9, the electromagnetic oscillation circuit comprises electric capacity 72, a plurality of coil arranged side by side 71 and a plurality of switch 73, and switch 73 is connected with coil 71 respectively, and electric capacity 72 is connected with a plurality of coils arranged side by side 71.Can obtain the combination of different electric capacity and coil by the on off operating mode of switch 73, thereby make the electromagnetic oscillation circuit can produce different oscillation frequency.
In the present embodiment, switch 73 of each coil 71 series connection.In other embodiments, the branch road of the coil 71 that has can be provided with switch 73 and obtain the combination of the electric capacity and the coil of a basic fixed, but, will have a coil 71 to connect at least with switch 73 in order to reach the combination of adjusting electric capacity and coil.
As shown in figure 10, the electromagnetic oscillation circuit comprises many groups electromagnetic oscillation unit in parallel, and each electromagnetic oscillation unit comprises the coil 71 and the electric capacity 72 of mutual series connection, connects with a switch 73 in each electromagnetic oscillation unit.Can obtain the combination of different electric capacity and coil by the on off operating mode of switch 73, thereby make the electromagnetic oscillation circuit can produce different oscillation frequency.
In the present embodiment, connect with a switch 73 in each electromagnetic oscillation unit.In other embodiments, the electromagnetic oscillation unit branch road that has can be provided with switch 73 and obtain the combination of the electric capacity and the coil of a basic fixed, but, will have an electromagnetic oscillation unit to connect at least with switch 73 in order to reach the combination of adjusting electric capacity and coil.
As shown in Figure 7, switch is arranged on the shell 20 and exposes, so that operation.731,732,733 are switch among the figure.The setting of switch is not limited to illustrated mode, can also adopt other mode to be provided with according to the shape of electronic pen and the needs of being convenient to operate.
The electromagnetic oscillation circuit can also adopt other array mode except that three kinds of embodiments shown in Fig. 8, Fig. 9, Figure 10, obtain the combination of different electric capacity and coil.Electromagnetic oscillation element in the above-mentioned electromagnetic oscillation circuit can also comprise elements such as resistance except that adopting electric capacity, coil.
Claims (10)
1, a kind of electromagnetic induction interactive electronic white board, comprise the importation, be enclosed in frame, control circuit and the interface that is connected with computer or the external wireless radio frequency modules of importation periphery, described control circuit comprises microprocessor and microprocessor control circuit, described importation comprises writing layer and the inductive layer that is positioned under the writing layer, and the output of this inductive layer connects described control circuit; This inductive layer comprises respectively to be arranged and mutual crisscross inductive coil along X, Y direction, the point of crossing mutually insulated of inductive coil, it is characterized in that, described microprocessor configuration time-sharing operation program, to many produce the electromagnetic electronic pens of different frequency write or other operations are discerned.
2, electromagnetic induction interactive electronic white board according to claim 1 is characterized in that, described control circuit, the interface that is connected with computer are arranged in the described frame, and described interface is serial line interface or USB interface.
3, electromagnetic induction interactive electronic white board according to claim 2 is characterized in that, described control circuit also comprises multi-way switch, signal amplification circuit, filtering circuit.
4, a kind of system that uses electromagnetic induction interactive electronic white board comprises computer, projector, electromagnetic induction interactive electronic white board and electronic pen; Described electromagnetic induction interactive electronic white board comprises the importation, is enclosed in the frame of importation periphery, control circuit and the interface or the wireless radio frequency modules that are connected with described computer, described control circuit comprises microprocessor and microprocessor control circuit, described importation comprises writing layer and the inductive layer that is positioned under the writing layer, and the output of this inductive layer connects described control circuit; This inductive layer comprises respectively to be arranged and mutual crisscross inductive coil along X, Y direction, the point of crossing mutually insulated of inductive coil, described microprocessor configuration time-sharing operation program, to many produce the electromagnetic electronic pens of different frequency write or other operations are discerned; This electromagnetic induction interactive electronic white board is connected with described pcs signal and cooperates with described electronic pen to produce to be write or operation signal is transferred to described computer; Described projector is connected with described pcs signal and the screen integrate information of this computer is projected on this electromagnetic induction interactive electronic white board; It is characterized in that described electronic pen is more than two, every electronic pen produces the electromagnetic wave of different frequency.
5, the system of use electromagnetic induction interactive electronic white board according to claim 4 is characterized in that, described electronic pen comprises electromagnetic wave generating device, and this electromagnetic wave generating device comprises the electromagnetic oscillation circuit.
6, the system of use electromagnetic induction interactive electronic white board according to claim 5, it is characterized in that, described electromagnetic oscillation circuit comprises switch and two or more electromagnetic oscillation elements combination, and the on off operating mode by described switch makes described electromagnetic oscillation circuit obtain separately electromagnetic oscillation elements combination respectively to carry out work and send the electromagnetic wave of frequency separately.
7, the system of use electromagnetic induction interactive electronic white board according to claim 6, it is characterized in that, described electromagnetic oscillation element comprises electric capacity and coil, described electromagnetic oscillation circuit comprises that a plurality of electric capacity arranged side by side connect with a coil, described switch is one or more, and described a plurality of electric capacity arranged side by side have a described switch of series connection at least.
8, the system of use electromagnetic induction interactive electronic white board according to claim 6, it is characterized in that, described electromagnetic oscillation element comprises electric capacity and coil, described electromagnetic oscillation circuit comprises a plurality of coils arranged side by side and a capacitances in series, described switch is one or more, and described a plurality of coils arranged side by side have a described switch of series connection at least.
9, the system of use electromagnetic induction interactive electronic white board according to claim 6, it is characterized in that, described electromagnetic oscillation element comprises electric capacity and coil, described electromagnetic oscillation circuit comprises many groups electromagnetic oscillation unit in parallel, described electromagnetic oscillation unit comprises the coil and the electric capacity of mutual series connection, described switch is one or more, at least one group of described switch of described electromagnetic oscillation units in series.
10, according to the system of the described use electromagnetic induction interactive electronic white board of one of claim 5 to 9, it is characterized in that, also comprise shell, described electromagnetic wave generating device is installed in the described shell, and described switch is arranged on the described shell and exposes to described shell.
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| CNA2006100600275A CN101042625A (en) | 2006-03-22 | 2006-03-22 | Electromagnetic induction interactive electronic white board and system thereof |
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| CNA2006100600275A CN101042625A (en) | 2006-03-22 | 2006-03-22 | Electromagnetic induction interactive electronic white board and system thereof |
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| CNA2006100600275A Pending CN101042625A (en) | 2006-03-22 | 2006-03-22 | Electromagnetic induction interactive electronic white board and system thereof |
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| GB2453203A (en) * | 2007-09-28 | 2009-04-01 | Chun To Lau | Radio frequency electronic whiteboard using printed circuit board as detecting surface |
| CN101872276A (en) * | 2009-04-24 | 2010-10-27 | 王志明 | Double-pen writing intelligent whiteboard |
| CN101963856A (en) * | 2009-07-24 | 2011-02-02 | 太瀚科技股份有限公司 | Input device with multiple input modes |
| CN101587384B (en) * | 2009-02-09 | 2011-03-23 | 鑫能源科技(深圳)有限公司 | Electronic pen |
| CN102053471A (en) * | 2010-11-29 | 2011-05-11 | 江苏红叶视听器材股份有限公司 | Electronic white board projection positioning and lifting device |
| CN101515040B (en) * | 2008-12-31 | 2011-06-01 | 广东威创视讯科技股份有限公司 | Pen color recognition device for electronic blackboard |
| CN102169402A (en) * | 2011-04-19 | 2011-08-31 | 上海华师京城高新技术开发有限公司 | Electronic white board having novel structure of induction layer |
| CN102236498A (en) * | 2011-04-13 | 2011-11-09 | 南昊（北京）科技有限公司 | Board-card separation wire net wound electromagnetic induction type electronic white board |
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| CN102253762A (en) * | 2011-01-12 | 2011-11-23 | 南昊（北京）科技有限公司 | Cooperative work of multiple interactive systems |
| CN102566821A (en) * | 2012-01-07 | 2012-07-11 | 洪颖莎 | Multi-mode interactive distance education device |
| CN102736818A (en) * | 2011-04-12 | 2012-10-17 | 北京瑞麟百嘉科技有限公司 | Electromagnetic multi-pen electronic whiteboard |
| CN102081471B (en) * | 2009-11-27 | 2012-11-21 | 深圳市巨龙科教高技术股份有限公司 | Detecting and charging integrated device and electric quantity and state detection method |
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| CN103207706A (en) * | 2012-01-13 | 2013-07-17 | 南京先能光电科技有限公司 | Double-light pen electronic whiteboard system and light pen identifying method |
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| CN103440053A (en) * | 2013-07-30 | 2013-12-11 | 南京芒冠光电科技股份有限公司 | Time-sharing processing light pen electronic white board system |
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| CN107422883A (en) * | 2017-08-09 | 2017-12-01 | 吉林大学 | A kind of electronic whiteboard double-pen writing method based on ultrasonic wave |
| CN107430460A (en) * | 2015-04-09 | 2017-12-01 | 三星电子株式会社 | Digital pen, touch system and its method that information is provided |
| CN110058749A (en) * | 2019-04-16 | 2019-07-26 | 京东方科技集团股份有限公司 | Write display system, method and apparatus |
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| GB2453203A (en) * | 2007-09-28 | 2009-04-01 | Chun To Lau | Radio frequency electronic whiteboard using printed circuit board as detecting surface |
| CN101515040B (en) * | 2008-12-31 | 2011-06-01 | 广东威创视讯科技股份有限公司 | Pen color recognition device for electronic blackboard |
| CN101587384B (en) * | 2009-02-09 | 2011-03-23 | 鑫能源科技(深圳)有限公司 | Electronic pen |
| CN101872276A (en) * | 2009-04-24 | 2010-10-27 | 王志明 | Double-pen writing intelligent whiteboard |
| CN101963856A (en) * | 2009-07-24 | 2011-02-02 | 太瀚科技股份有限公司 | Input device with multiple input modes |
| CN102081471B (en) * | 2009-11-27 | 2012-11-21 | 深圳市巨龙科教高技术股份有限公司 | Detecting and charging integrated device and electric quantity and state detection method |
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| CN102253762A (en) * | 2011-01-12 | 2011-11-23 | 南昊（北京）科技有限公司 | Cooperative work of multiple interactive systems |
| CN102736818A (en) * | 2011-04-12 | 2012-10-17 | 北京瑞麟百嘉科技有限公司 | Electromagnetic multi-pen electronic whiteboard |
| CN102236498A (en) * | 2011-04-13 | 2011-11-09 | 南昊（北京）科技有限公司 | Board-card separation wire net wound electromagnetic induction type electronic white board |
| CN102236461A (en) * | 2011-04-13 | 2011-11-09 | 南昊（北京）科技有限公司 | Multi-input interactive system and method |
| CN102236461B (en) * | 2011-04-13 | 2016-09-07 | 北京南昊科技股份有限公司 | Multi input interactive system and method |
| CN102236498B (en) * | 2011-04-13 | 2016-06-29 | 北京南昊科技股份有限公司 | The induction electronic whiteboard of board separation wire net wound |
| CN102169402A (en) * | 2011-04-19 | 2011-08-31 | 上海华师京城高新技术开发有限公司 | Electronic white board having novel structure of induction layer |
| CN102566821A (en) * | 2012-01-07 | 2012-07-11 | 洪颖莎 | Multi-mode interactive distance education device |
| CN103207706A (en) * | 2012-01-13 | 2013-07-17 | 南京先能光电科技有限公司 | Double-light pen electronic whiteboard system and light pen identifying method |
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| CN102880356A (en) * | 2012-09-13 | 2013-01-16 | 福州锐达数码科技有限公司 | Method for realizing dual-pen writing based on electronic white board |
| CN102944966B (en) * | 2012-10-17 | 2014-02-12 | 廖长春 | Interactive type projection screen |
| CN102944966A (en) * | 2012-10-17 | 2013-02-27 | 廖长春 | Interactive type projection screen |
| CN103902078A (en) * | 2012-12-27 | 2014-07-02 | 深圳易方数码科技股份有限公司 | Touch implementing method and device of non-touch screen |
| CN103440053A (en) * | 2013-07-30 | 2013-12-11 | 南京芒冠光电科技股份有限公司 | Time-sharing processing light pen electronic white board system |
| CN103440053B (en) * | 2013-07-30 | 2016-06-29 | 南京芒冠光电科技股份有限公司 | Time-division processing light pen electric whiteboard system |
| CN103997632B (en) * | 2014-05-27 | 2016-09-07 | 海信集团有限公司 | A kind of electronic whiteboard and optical projection system |
| CN103997632A (en) * | 2014-05-27 | 2014-08-20 | 海信集团有限公司 | Electronic whiteboard and projection system |
| CN105278794B (en) * | 2014-06-20 | 2019-11-15 | 鸿合科技股份有限公司 | The synchronous hand-written recognition method of more people based on electromagnetic whiteboard, device and time writer |
| CN105278794A (en) * | 2014-06-20 | 2016-01-27 | 鸿合科技有限公司 | Method and device for multi-person synchronous handwritten recognition based on electromagnetic white board, and electromagnetic pen |
| CN107430460A (en) * | 2015-04-09 | 2017-12-01 | 三星电子株式会社 | Digital pen, touch system and its method that information is provided |
| CN107430460B (en) * | 2015-04-09 | 2021-03-19 | 三星电子株式会社 | Digital pen, touch system and method for providing information |
| CN105807990A (en) * | 2016-03-01 | 2016-07-27 | 京东方科技集团股份有限公司 | Display screen, touch pen and display module |
| CN105807990B (en) * | 2016-03-01 | 2018-11-27 | 京东方科技集团股份有限公司 | Display screen, stylus and display module |
| US10282039B2 (en) | 2016-03-01 | 2019-05-07 | Boe Technology Group Co., Ltd. | Display screen, touch pen and display module utilizing electromagnetic signal and sound wave signal |
| CN107422883A (en) * | 2017-08-09 | 2017-12-01 | 吉林大学 | A kind of electronic whiteboard double-pen writing method based on ultrasonic wave |
| CN107422883B (en) * | 2017-08-09 | 2019-09-20 | 吉林大学 | A kind of electronic whiteboard double-pen writing method based on ultrasound |
| CN110058749A (en) * | 2019-04-16 | 2019-07-26 | 京东方科技集团股份有限公司 | Write display system, method and apparatus |
| CN110554814A (en) * | 2019-09-20 | 2019-12-10 | 深圳市优笔触控科技有限公司 | Touch control induction device and method for electromagnetic handwriting board |
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Application publication date: 20070926 |