CN201532625U - Electromagnetic board capable of displaying input trace in real time - Google Patents
Electromagnetic board capable of displaying input trace in real time Download PDFInfo
- Publication number
- CN201532625U CN201532625U CN2009202225521U CN200920222552U CN201532625U CN 201532625 U CN201532625 U CN 201532625U CN 2009202225521 U CN2009202225521 U CN 2009202225521U CN 200920222552 U CN200920222552 U CN 200920222552U CN 201532625 U CN201532625 U CN 201532625U
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- China
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- liquid crystal
- crystal film
- cholesteryl liquid
- control circuit
- magnetic board
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- Expired - Lifetime
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Abstract
The utility model discloses an electromagnetic board capable of displaying input trace in real time, and belongs to the field of external input devices of computers. The electromagnetic board is provided with a main control circuit for detecting the position information of the electromagnetic board and converting the position information into coordinate information; and the electromagnetic board transmits the signals to the computer through a communication port. A cholesterol liquid crystal film is covered on the upper surface of the electromagnetic board for real-time displaying the trace information inputted by an electromagnetic pen. When users input the trace information on the electromagnetic board, the trace information of the electromagnetic pen can be displayed on the electromagnetic board instantly, the coordinate information of the electromagnetic pen is supplied to the computer, therefore, under the premise that the writing habits of users are satisfied, the coordinate information can be inputted by the computer.
Description
Technical field
The utility model belongs to field of computer external input equipment, relates to a kind of magnetic board, especially relates to a kind of magnetic board that can show input trajectory in real time.
Background technology
Computing machine is one of most important scientific and technological achievement on the human science and technology developing history, and that has now used is very extensive.Magnetic board as computer entry device has the quick and easy characteristics of input, has solved different levels crowd's input Chinese character, the difficult problem of letter, has use value widely.Magnetic board has become typical case's representative of non-keyboard input, and increasing people accepts and uses handwriting input as computed mode.Magnetic board is furnished with the special electromagnetic pen usually, and when writing in the effective coverage of magnetic board, computing machine will show input information in the corresponding region inter-sync, and the magnetic board writing write of explicit user not itself.
Compare with traditional writing on paper medium with pen, the user uses magnetic board also to have inconvenient place.Traditional when on paper medium, writing with pen (as pencil, a pen etc.), paper medium can reflect the person's handwriting that the user write intuitively in the works clearly, hand and eye matching coordinative, the user also can control size, composing and the layout of institute's writing words easily.But when the user uses the magnetic board input characters, magnetic board is placed on display side position, magnetic board itself can not demonstrate user's coordinate information, but directly be presented on the display, make the user when writing, hand and eye coordinate are poor, are difficult to control the size of the word of being write and arrange the use inconvenience.
The utility model content
Technical problem to be solved in the utility model provide a kind of meet user writing custom, can in the works in real time the explicit user writing, provide the computing machine external input device of handwriting information to computing machine simultaneously.
For solving above-mentioned technical matters of the present utility model, the utility model provides a kind of magnetic board of real-time demonstration trace information, this device is provided with the main control circuit that is used to detect the positional information of time writer and is converted to coordinate information, this device transmits signal by PORT COM to computing machine, the upper surface of this device is coated with the cholesteryl liquid crystal film, is used for showing in real time the trace information of time writer input.
Preferably, also be provided with cholesteryl liquid crystal film control circuit in the magnetic board, in order to eliminate the trace information on the cholesteryl liquid crystal film.
Preferably, described cholesteryl liquid crystal film covers the effective coverage of magnetic board upper surface.
Preferably, also be coated with soft diaphragm on the described cholesteryl liquid crystal film, be used to prevent that time writer from scratching the cholesteryl liquid crystal film.
Preferably, described cholesteryl liquid crystal film covers on the upper surface of magnetic board by the mode of stickup or special-purpose machinery structure buckle.
Preferably, main control circuit and cholesteryl liquid crystal film control circuit are independent mutually, and main control circuit is connected with cholesteryl liquid crystal film control circuit by the IO interface and carries out communication.
Preferably, cholesteryl liquid crystal film control circuit is integrated in the main control circuit.
The utility model is by covering the cholesteryl liquid crystal film in the effective coverage of magnetic board, when time writer carries out the track input on magnetic board, on the one hand stay person's handwriting on the cholesteryl liquid crystal film that covers on the effective coverage of magnetic board, magnetic board sends computing machine to after also converting the positional information of detected time writer to coordinate information simultaneously.When the user is write, can show the trace information of writing in real time on the magnetic board on magnetic board, and coordinate information is offered computing machine, so just under the prerequisite of the writing style that meets the user, realize the computing machine typing of coordinate information.
Description of drawings
Fig. 1 is the basic schematic appearance of the utility model magnetic board of showing input trajectory in real time;
Fig. 2 is the basic structure synoptic diagram of the utility model magnetic board of showing input trajectory in real time;
Fig. 3 is the first embodiment synoptic diagram of the utility model magnetic board of showing input trajectory in real time;
Fig. 4 is the second embodiment synoptic diagram of the utility model magnetic board of showing input trajectory in real time;
Fig. 5 is the 3rd an embodiment synoptic diagram of the utility model magnetic board of showing input trajectory in real time.
Among the figure: 1, PORT COM 2, handwriting pad 201, cholesteryl liquid crystal film 202, effective coverage 203, soft diaphragm 204, handwriting pad upper casing 205, printed circuit board (PCB) 206, shielding material 207, handwriting pad drain pan 301, cholesteryl liquid crystal film control circuit 3011, the first main MCU 302, main control circuit 3021, the second main MCU
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
Magnetic board can be handwriting pad or plotting sheet, and among the embodiment of the present utility model, magnetic board is a handwriting pad, and time writer and handwriting pad 2 can be wireless connections, also can connect by cable.As shown in Figure 1,, the utility model comprises the schematic appearance of the magnetic board of trace information for showing in real time: PORT COM 1, be used for handwriting pad 2 and computing machine are coupled together, and in the present embodiment USB interface, this device is connected with computing machine by USB interface.Handwriting pad 2 is used to detect the positional information that time writer writes thereon and is converted to coordinate information, and by PORT COM coordinate information is sent to computing machine.The upper surface of handwriting pad 2 is coated with the cholesteryl liquid crystal film 201 that shows trace information when being used to carry out the track input, and the area of cholesteryl liquid crystal film 201 is not less than the effective coverage 202 of handwriting pad 2.When the input of trace information was carried out in the effective coverage 202 of handwriting pad 2, time writer can produce pressure on cholesteryl liquid crystal film 201, stay writing thereby make on the cholesteryl liquid crystal film 201; Time writer and handwriting pad 2 produce electromagnetic induction simultaneously, and handwriting pad 2 can send to computing machine by PORT COM 1 with the coordinate information of time writer.
Fig. 2 is the cut-open view of effective coverage of the magnetic board of real-time demonstration trace information of the present utility model.Also be coated with soft diaphragm 203 on the cholesteryl liquid crystal film 201 of magnetic board, the cholesteryl liquid crystal film sets gradually printed circuit board (PCB) 205, shielding material 206 and the handwriting pad drain pan 207 of handwriting pad upper casing 204, handwriting pad 2 for 201 times.The printed circuit board (PCB) 205 of handwriting pad upper casing 204, handwriting pad, shielding material 206 and handwriting pad drain pan 207 have constituted the main part of handwriting pad 2.
Cholesteryl liquid crystal film 201 is by pasting or the mode of special-purpose machinery structure buckle covers effective coverage 202 on the handwriting pad upper casing 204, and cholesteryl liquid crystal film 201 also can be fixed with handwriting pad upper casing 204 by rigid materials such as acrylics.When time writer carries out track when input on handwriting pad 2, soft diaphragm 203 can prevent that time writer scratches cholesteryl liquid crystal film 201 under the situation of Overexertion with time writer and cholesteryl liquid crystal film 201 from physically separating.Soft diaphragm 203 also can combine with cholesteryl liquid crystal film 201.
The printed circuit board (PCB) 205 of handwriting pad is sub-control circuit and antenna two parts logically, and antenna is used for induced electricity magnetic pen signal, and the time writer signal is handled by control circuit.Antenna part comprises the effective coverage 202 of handwriting pad 2, carries out coordinate information when input, loop in the time writer and antenna generation electromagnetic induction with time writer in effective coverage 202.Specific markers can be done in effective coverage that the antenna correspondence 202 in handwriting pad upper casing 204, such as with particular color or significantly indicate.Cholesteryl liquid crystal film 201 covers effective coverage 202 fully.Shielding material 206 is not more than antenna, is not less than the effective coverage 202 of the handwriting pad 2 of antenna correspondence.The electromagnetic signal shielding that shielding material 206 produces printed circuit board (PCB) 205, the signal radiation that has produced when having stoped handwriting pad 2 work, and shielding material 206 is with the electromagnetic signal radiation shield of shielding material 206 outsides, thereby avoided the outside electromagnetic signal influence that 205 work cause to printed circuit board (PCB), guaranteed hand-written stability and consistance.In addition, also can there be packing material between printed circuit board (PCB) 205 and the shielding material 206.
Cholesteryl liquid crystal film 201 becomes planar texture from focal conic texture under the effect of time writer, promptly stay the track of bright attitude at the cholesteryl liquid crystal film 201 of dark attitude, but make cholesteryl liquid crystal film 201 return to focal conic texture from planar texture, promptly eliminate the track of bright attitude, then need correspondent control circuits to provide cls voltage for cholesteryl liquid crystal film 201.
As shown in Figure 3, both are separate for the cholesteryl liquid crystal film control circuit 301 of cholesteryl liquid crystal film 201 and the main control circuit in the handwriting pad 2 302, the cholesteryl liquid crystal film control circuit 301 that is used for cls utilizes the first main MCU3011 to control, and the main control circuit 302 of handwriting pad being imported control utilizes the second main MCU3021 to control.
As shown in Figure 4, be the second embodiment synoptic diagram of the present utility model.In this embodiment, the second main MCU3021 of main control circuit 302 is connected by the IO mouth with the first main MCU3011 of cholesteryl liquid crystal film control circuit 301, and the information that the IO mouth sends the second main MCU3021 is delivered to the first main MCU3011 control cholesteryl liquid crystal film control circuit and carries out cls.The IO mouth can be general IO, also can be interfaces such as serial ports, SPI mouth.
As shown in Figure 5, be the 3rd embodiment synoptic diagram of the present utility model.In this embodiment, cholesteryl liquid crystal film control circuit 301 is incorporated in the main control circuit 302, both shared one second main MCU3021, the second main MCU3021 control cholesteryl liquid crystal film control circuit 301 carries out the cls operation, and control input control circuit 302 detects the coordinate that time writer produces.
Can provide handwriting information to computing machine simultaneously again at explicit user writing in real time in the works when the electromagnetic type handwriting pad that shows in real time trace information writes the user, promptly meet people's writing style, realize the computing machine typing of writing again.
It should be noted that the foregoing description is example just to being convenient to explanation.Those skilled in the art can carry out various changes and modification to the utility model and not break away from spirit and scope of the present utility model.Like this, if of the present utility model these are revised and modification belongs within the scope of the utility model claim and equivalent technologies thereof, then the utility model also is intended to comprise these changes and modification interior.
Claims (7)
1. magnetic board that shows in real time input trajectory, this device is provided with the main control circuit that is used to detect the positional information of time writer and is converted to coordinate information, this device transmits signal by PORT COM to computing machine, it is characterized in that, the upper surface of magnetic board is coated with the cholesteryl liquid crystal film, is used for showing in real time the trace information of time writer input.
2. device as claimed in claim 1 is characterized in that, also is provided with cholesteryl liquid crystal film control circuit in the magnetic board, in order to eliminate the trace information on the cholesteryl liquid crystal film.
3. device as claimed in claim 1 is characterized in that, described cholesteryl liquid crystal film covers the effective coverage of magnetic board upper surface.
4. device as claimed in claim 1 is characterized in that, also is coated with soft diaphragm on the described cholesteryl liquid crystal film, is used to prevent that time writer from scratching the cholesteryl liquid crystal film.
5. as any described device of claim 1-4, it is characterized in that described cholesteryl liquid crystal film covers on the upper surface of magnetic board by the mode of stickup or physical construction buckle.
6. device as claimed in claim 2 is characterized in that, main control circuit and cholesteryl liquid crystal film control circuit are independent mutually, and main control circuit is connected with cholesteryl liquid crystal film control circuit by the IO interface and carries out communication.
7. device as claimed in claim 2 is characterized in that, cholesteryl liquid crystal film control circuit is integrated in the main control circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202225521U CN201532625U (en) | 2009-09-24 | 2009-09-24 | Electromagnetic board capable of displaying input trace in real time |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202225521U CN201532625U (en) | 2009-09-24 | 2009-09-24 | Electromagnetic board capable of displaying input trace in real time |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201532625U true CN201532625U (en) | 2010-07-21 |
Family
ID=42528026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202225521U Expired - Lifetime CN201532625U (en) | 2009-09-24 | 2009-09-24 | Electromagnetic board capable of displaying input trace in real time |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201532625U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101957705A (en) * | 2010-09-30 | 2011-01-26 | 汉王科技股份有限公司 | Electromagnetic handwriting equipment and noise recognizing method thereof |
| CN107544692A (en) * | 2017-10-20 | 2018-01-05 | 广州视源电子科技股份有限公司 | Electromagnetic pen, intelligent terminal control method, device, equipment and storage medium |
-
2009
- 2009-09-24 CN CN2009202225521U patent/CN201532625U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101957705A (en) * | 2010-09-30 | 2011-01-26 | 汉王科技股份有限公司 | Electromagnetic handwriting equipment and noise recognizing method thereof |
| CN107544692A (en) * | 2017-10-20 | 2018-01-05 | 广州视源电子科技股份有限公司 | Electromagnetic pen, intelligent terminal control method, device, equipment and storage medium |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100721 |
|
| CX01 | Expiry of patent term |