CN101776962B - Electronic pen used for interactive electronic whiteboard - Google Patents
Electronic pen used for interactive electronic whiteboard Download PDFInfo
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- CN101776962B CN101776962B CN2010101186546A CN201010118654A CN101776962B CN 101776962 B CN101776962 B CN 101776962B CN 2010101186546 A CN2010101186546 A CN 2010101186546A CN 201010118654 A CN201010118654 A CN 201010118654A CN 101776962 B CN101776962 B CN 101776962B
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- electromagnetic wave
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Abstract
The invention relates to an electronic pen used for an interactive electronic whiteboard, which comprises an electromagnetic wave generation device including electromagnetic oscillation circuits. The electromagnetic oscillation circuits include more than two electromagnetic oscillation member combinations and electromagnetic wave switches electrically connected to the combinations. Through the on-off states of the electromagnetic wave switches the electromagnetic oscillation circuits respectively obtain respective electromagnetic oscillation member combination for work and send the electromagnetic wave with individual frequency. The use of the electronic pen for the interactive electronic whiteboard enables the switching operation of common functions of an interactive demo system simple, enables the usage convenient and can realize the remote operation.
Description
The application relates to a kind of electronic pen that is used for interactive electronic white board, is application number " 200610035492.3 ", and denomination of invention is divided an application for " a kind of electronic pen that is used for interactive electronic white board ".
Technical field
The present invention relates to a kind of electronic pen, more particularly, relate to a kind of electronic pen that is used for interactive electronic white board.
Background technology
In recent years; The interactive electric whiteboard of electromagnetic induction technology realization occurred utilizing, this induction interactive electronic white board can detect the positional information that electronic pen is write, and can send this information to connected computing machine; The screen picture of this positional information and computing machine combines; Project on the interactive electronic white board through projector, like this, just constituted a complete interactive demonstration system.The user can be easily with electronic pen on interactive electronic white board to the computer screen content edit, revise, mark etc., just as using mouse direct control computing machine.
For example; The applying date is that the Chinese patent 02225001.8 " electromagnetic-type electronic blank data collector " on January 4th, 2002 just discloses a kind of electromagnetic wave transmitter that is used for induction interactive electronic white board-be that induction interactive electronic white board is write electronic pen; This electronic pen is installed by the coil on the circuit board, capacitor, pulse producer, power supply and switch and is constituted in the enclosure; Power up the afterpulse generator and generate electromagnetic waves to coil, can write at the enterprising running hand of interactive electronic white board with the front end of electronic pen through capacitor transmission pulse signal.
Use this interactive electronic white board electronic pen when carrying out the switching of interactive demonstration system function; Its method generally is: push the button on (or click) interactive electronic white board; Or click with electronic pen and to be projected in the software function key on the interactive electronic white board, realize that function switches.There is following shortcoming in existing electronic pen:
1, require the user carrying out all will on interactive electronic white board, proceeding to few single job when each function is switched, more loaded down with trivial details.
2, the function blocked operation must carry out on blank with electronic pen, can not realize remote-controlled operation, makes the user feel inconvenience deeply.
Summary of the invention
The technical matters that the present invention will solve is, a kind of electronic pen that is used for interactive electronic white board is provided, solve use complex operation that existing interactive electronic white board pen exists, can not remote-controlled operation etc. defective.
The technical solution adopted for the present invention to solve the technical problems is: a kind of electronic pen that is used for interactive electronic white board is provided; Comprise electromagnetic wave generating device; This electromagnetic wave generating device comprises the electromagnetic oscillation circuit; It is characterized in that; Said electromagnetic oscillation circuit comprises two or more electromagnetic oscillation elements combination and the electromagnetic wave switch that is connected with this combined electrical, and the on off operating mode through said electromagnetic wave switch makes said electromagnetic oscillation circuit obtain separately electromagnetic oscillation elements combination respectively to carry out work and send the electromagnetic wave of frequency separately; Said electronic pen also comprises code switch and the coding generation circuit and the encoding transmitting circuit that are electrically connected each other, and said code switch is arranged in the said coding generation circuit, makes the coding of said coding generation circuit generation difference through the on off operating mode of code switch.
At the electronic pen that is used for interactive electronic white board of the present invention; Said electromagnetic oscillation element comprises electric capacity and coil; Said electromagnetic oscillation circuit comprises that a plurality of electric capacity arranged side by side connect with a coil; Said electromagnetic wave switch is one or more, and said a plurality of electric capacity arranged side by side have a said electromagnetic wave switch of series connection at least.
At the electronic pen that is used for interactive electronic white board of the present invention; Said electromagnetic oscillation element comprises electric capacity and coil; Said electromagnetic oscillation circuit comprises a plurality of coils arranged side by side and a capacitances in series; Said electromagnetic wave switch is one or more, and said a plurality of coils arranged side by side have a said electromagnetic wave switch of series connection at least.
At the electronic pen that is used for interactive electronic white board of the present invention; Said electromagnetic oscillation element comprises electric capacity and coil; Said electromagnetic oscillation circuit comprises the electromagnetic oscillation unit of many group parallel connections; Said electromagnetic oscillation unit comprises the coil and the electric capacity of mutual series connection, and said electromagnetic wave switch is one or more, at least one group of said electromagnetic wave switch of said electromagnetic oscillation units in series.
At the electronic pen that is used for interactive electronic white board of the present invention, said code switch is one or more.
At the electronic pen that is used for interactive electronic white board of the present invention, comprise laser module and laser controlling switch.
At the electronic pen that is used for interactive electronic white board of the present invention; Also comprise shell; Said electromagnetic wave generating device, coding generation circuit and encoding transmitting circuit are installed in the said shell, and said electromagnetic wave switch, code switch, laser controlling switch and laser module are arranged on the said shell and expose to said shell.
The electronic pen that is used for interactive electronic white board of embodiment of the present invention, its beneficial effect is: the common function blocked operation of interactive demonstration system is more succinct, easy to use, and can realize remote-controlled operation.
Description of drawings
To combine accompanying drawing and embodiment that the present invention is described further below, in the accompanying drawing:
Fig. 1 is that the present invention is used for the utilization synoptic diagram of the electronic pen of interactive electronic white board at interactive demonstration system;
Fig. 2 is the electromagnetic wave generating device synoptic diagram of the electronic pen of interactive electronic white board of the present invention;
Fig. 3 is the schematic appearance of a kind of embodiment of the electronic pen of interactive electronic white board of the present invention;
Fig. 4 is the electromagnetic oscillation circuit embodiment one of the electronic pen of interactive electronic white board of the present invention;
Fig. 5 is the electromagnetic oscillation circuit embodiment two of the electronic pen of interactive electronic white board of the present invention;
Fig. 6 is the electromagnetic oscillation circuit embodiment three of the electronic pen of interactive electronic white board of the present invention.
Embodiment
Fig. 2, Fig. 3 show a kind of embodiment that the present invention is used for the electronic pen of interactive electronic white board.This electronic pen 2 that is used for interactive electronic white board 1 comprises electromagnetic wave generating device 7 (as shown in Figure 2), and this electromagnetic wave generating device 7 is installed in the shell 20.
Electromagnetic wave generating device 7 comprises the electromagnetic oscillation circuit.Fig. 4, Fig. 5, Fig. 6 show three kinds of embodiments of electromagnetic oscillation circuit respectively.
As shown in Figure 4, the electromagnetic oscillation circuit comprises coil 71, a plurality of electric capacity arranged side by side 72 and a plurality of electromagnetic wave switch 73, and electromagnetic wave 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 through the on off operating mode of electromagnetic wave switch 73, thereby make the electromagnetic oscillation circuit can produce different oscillation frequency.
In the present embodiment, electromagnetic wave switch 73 of each electric capacity 72 series connection.In other embodiments, can the branch road of the electric capacity that has 72 be provided with electromagnetic wave 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 electromagnetic wave switch 73 in order to reach the combination of adjustment electric capacity and coil.
As shown in Figure 5, the electromagnetic oscillation circuit comprises electric capacity 72, a plurality of coil arranged side by side 71 and a plurality of electromagnetic wave switch 73, and electromagnetic wave 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 through the on off operating mode of electromagnetic wave switch 73, thereby make the electromagnetic oscillation circuit can produce different oscillation frequency.
In the present embodiment, electromagnetic wave switch 73 of each coil 71 series connection.In other embodiments, can the branch road of the coil that has 71 be provided with electromagnetic wave 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 electromagnetic wave switch 73 in order to reach the combination of adjustment electric capacity and coil.
As shown in Figure 6, the electromagnetic oscillation circuit comprises the electromagnetic oscillation unit of many group parallel connections, and each electromagnetic oscillation unit comprises the coil 71 and electric capacity 72 of mutual series connection, connects with an electromagnetic wave switch 73 in each electromagnetic oscillation unit.Can obtain the combination of different electric capacity and coil through the on off operating mode of electromagnetic wave switch 73, thereby make the electromagnetic oscillation circuit can produce different oscillation frequency.
In the present embodiment, connect with an electromagnetic wave switch 73 in each electromagnetic oscillation unit.In other embodiments; Can the electromagnetic oscillation unit branch road that have be provided with electromagnetic wave switch 73 and obtain the combination of the electric capacity and the coil of a basic fixed; But, to there be an electromagnetic oscillation unit to connect at least with electromagnetic wave switch 73 in order to reach the combination of adjustment electric capacity and coil.
As shown in Figure 3, electromagnetic wave switch 73 is arranged on the shell 20 and exposes, so that operation.731,732,733 are the electromagnetic wave switch among the figure.The setting of electromagnetic wave switch 73 is not limited to illustrated mode, can also adopt other mode to be provided with the needs of being convenient to operate according to the shape of electronic pen.The common function of the respectively more corresponding interactive electronic white boards of these switches, as write, blackboard eraser, left mouse button, right mouse button function etc., push these switches and can very conveniently realize corresponding mutual blank common function quickly.
The electromagnetic oscillation circuit can also adopt other array mode except that three kinds of embodiments shown in Fig. 4, Fig. 5, Fig. 6, 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.
As shown in Figure 1; The present invention is used for the electronic pen 2 of interactive electronic white board when interactive demonstration system uses, and the electromagnetic wave switch 73 through on the operation electronic pen 2 obtains different oscillation frequency; Microprocessor in the blank 1 and control circuit can identify the different oscillation frequency that electronic pen 2 sends; And can detect and calculate the position coordinates of electronic pen 2, and blank 1 passes to computer 4 with electronic pen 2 corresponding status information and positional informations through cable 3, and computer 4 is according to the status information of received electronic pen 2; Carry out different functions and switch, computer screen information projects on the blank 1 through projector 5.Therefore, through the electromagnetic wave switch 73 on the operation electronic pen 2, realized interactive demonstration system common function blocked operation easily.
As shown in Figure 3; In order to realize electronic pen 2 remote-controlled operation interactive electronic white boards 1; Code switch 734 and the coding generation circuit and the encoding transmitting circuit (not shown) that are electrically connected each other are set in this electronic pen 2; Code switch 734 is arranged on coding and takes place in the circuit, and the on off operating mode through code switch makes coding that circuit take place and produces coding.The function quantity that the quantity of code switch 734 can realize as requested is provided with; Can be provided with one or morely, correspond respectively to the code switch of page turning, carriage return like setting, when these code switchs are connected respectively; The coding that circuit produces difference takes place in coding; These codings are emitted to interactive electronic white board 1 through encoding transmitting circuit, and the corresponding less radio-frequency receiving circuit that is provided with receives and should encode on the interactive electronic white board 1, carries out the corresponding function of coding.As shown in Figure 3, code switch 734 is arranged on the shell 20 and exposes, so that operation, circuit takes place coding and encoding transmitting circuit is arranged in the shell 20.
Above-mentioned coding generation circuit and encoding transmitting circuit adopt existing coding generation circuit and encoding transmitting circuit.
As shown in Figure 3, indicate the demo content on the interactive electronic white board 1 for making things convenient for the user with electronic pen 2, laser module 736 and laser controlling switch 735 also are set in the circuit of electronic pen 2.Laser module 736 is arranged on the shell 20 with laser controlling switch 735 and exposes.Laser module 736 can adopt laser diode.
Claims (2)
1. electronic pen that is used for interactive electronic white board; It is characterized in that; Comprise that electromagnetic wave generating device is equipped with in inside or the shell (20) of encode generation circuit and encoding transmitting circuit; Also comprise a plurality of electromagnetic wave switches (73) that are arranged on the shell (20), each said electromagnetic wave switch (73) is write with mutual blank, one of blackboard eraser, left mouse button, right mouse button function are corresponding, in connecting the electromagnetic oscillation circuit that electric capacity (72), coil (71) forms respectively; Be used for producing respectively different oscillation frequency; Said interactive electronic white board can detect the corresponding status information in said electronic pen position according to the oscillation frequency that receives the electromagnetic wave signal that above-mentioned electronic pen sends, and carries out different functions according to said status information and switch; Wherein,
Said electromagnetic oscillation circuit comprises that a plurality of capacitors that are connected in parallel connect with a coil, the said electromagnetic wave switch (73) that is connected in series respectively of each in said a plurality of electric capacity that are connected in parallel;
Perhaps, said electromagnetic oscillation circuit comprises a plurality of coils that are connected in parallel and a capacitances in series, the said electromagnetic wave switch (73) that is connected in series respectively of each in said a plurality of coils that are connected in parallel;
Perhaps, said electromagnetic oscillation circuit comprises the electromagnetic oscillation unit of many group parallel connections, and each said electromagnetic oscillation unit comprises coil and the electric capacity that is connected in series, be connected in series respectively in the said electromagnetic wave switch one of each said electromagnetic oscillation unit.
2. the electronic pen that is used for interactive electronic white board according to claim 1 is characterized in that, one of said a plurality of electromagnetic wave switches (73) are arranged on the electromagnetic wave switch (731) of the nib shape of said shell (20) one ends; Said electronic pen also comprises the laser module (736) that is arranged on shell (20) other end, and goes up the laser controlling switch (735) of code switch (734) one sides at shell (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101186546A CN101776962B (en) | 2006-05-12 | 2006-05-12 | Electronic pen used for interactive electronic whiteboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101186546A CN101776962B (en) | 2006-05-12 | 2006-05-12 | Electronic pen used for interactive electronic whiteboard |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2006100354923A Division CN101071344A (en) | 2006-05-12 | 2006-05-12 | Electronic pen for interactive electronic white board |
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| Publication Number | Publication Date |
|---|---|
| CN101776962A CN101776962A (en) | 2010-07-14 |
| CN101776962B true CN101776962B (en) | 2012-05-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010101186546A Expired - Fee Related CN101776962B (en) | 2006-05-12 | 2006-05-12 | Electronic pen used for interactive electronic whiteboard |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102478974B (en) * | 2010-11-30 | 2014-04-16 | 汉王科技股份有限公司 | Electromagnetic pen for electronic whiteboard and control method thereof |
| CN102109394B (en) * | 2010-12-15 | 2012-03-07 | 山东恒奕地源热泵空调技术有限公司 | Multi-building united temperature area method heat metering system based on wireless temperature acquisition |
| CN102262500A (en) * | 2011-05-25 | 2011-11-30 | 中兴通讯股份有限公司 | Method for simulating left key input and right key input by using capacitance handwriting pen, capacitance handwriting pen and terminal |
| CN102331844B (en) * | 2011-09-14 | 2016-07-13 | 肖丹 | Adopt the key panel device of non-contact inductive technology |
| CN106919316A (en) * | 2017-02-21 | 2017-07-04 | 广州视源电子科技股份有限公司 | For the control method and control device of electronic whiteboard |
| CN107102781A (en) * | 2017-04-17 | 2017-08-29 | 华东师范大学 | A kind of tagging stylus and multipoint touch interactive system |
| CN109710091B (en) * | 2018-11-15 | 2022-06-10 | 汉王科技股份有限公司 | Angle information processing method and device and touch sensing system |
| CN115220250A (en) * | 2021-04-20 | 2022-10-21 | 宝宸（厦门）光学科技有限公司 | Electronic device and display projection system |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2831245Y (en) * | 2005-10-09 | 2006-10-25 | 深圳市巨龙科教高技术股份有限公司 | Electromagnetic induction interactive demonstration white board |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2831245Y (en) * | 2005-10-09 | 2006-10-25 | 深圳市巨龙科教高技术股份有限公司 | Electromagnetic induction interactive demonstration white board |
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| CN101776962A (en) | 2010-07-14 |
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Granted publication date: 20120523 Termination date: 20170512 |