CN2821691Y - Capacitance touch control hand writing mouse with USB intreface - Google Patents
Capacitance touch control hand writing mouse with USB intreface Download PDFInfo
- Publication number
- CN2821691Y CN2821691Y CNU2005201068760U CN200520106876U CN2821691Y CN 2821691 Y CN2821691 Y CN 2821691Y CN U2005201068760 U CNU2005201068760 U CN U2005201068760U CN 200520106876 U CN200520106876 U CN 200520106876U CN 2821691 Y CN2821691 Y CN 2821691Y
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- usb interface
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- usbd
- mouse
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Abstract
The utility model relates to a capacitance touch control handwritten mouse with a USB interface, which belongs to the field of computer external input devices and is composed of a capacitance touch control screen, a mouse casing, a signal amplification device, an A/D converting circuit, a position sensor, a processor and the USB interface. The utility model has the essential technical scheme that the capacitance touch control screen is connected with the signal amplification device; the signal amplification device is connected with the A/D converting circuit; the A/D converting circuit is connected with the processor; the position sensor is connected to the processor directly; the USB interface is embedded in the processor, or the processor is connected with the USB interface; the processor is communicated with a host machine through the USB interface. The utility model combines the optical mouse with the capacitance touch control handwritten screen, and realizes the USB function of the handwritten mouse. The utility model has the advantages of reasonable structure design, convenient operation, small size and convenient carrying, can plug and play in the state of the starting up of the computer, and the function switching between the mouse and a handwritten board does not need.
Description
Technical field
The utility model relates to the capacitive touch screen formula hand-written mouse that a kind of USB of having is a USB (universal serial bus), belongs to field of computer peripherals.
Background technology
Along with rapid development of computer technology, mouse and handwriting pad have become the external input device of computer standard configuration, but these two equipment of mouse and handwriting pad are separate and separate use that reality is very inconvenient in using.For convenience of using and carrying, scheme with mouse and two configuration combinations of handwriting pad has appearred, as CTT company is the MPTR photoinduction slide-mouse type handwriting pad of Shiyi International, it is to be added with a capacitance induction system on the shell of mouse, capacitance variations according to user's finger during use locates, characteristics are can direct control with finger, though this mode uses convenient, but the communication interface of this handwriting pad mouse and computing machine is the interface of PS/2 and serial RS-232, this just can't insert or dial mouse down under the state of start, bring inconvenience to the user.
Summary of the invention
The technical problems to be solved in the utility model is: a kind of capacitive touch screen hand-written mouse with USB interface is provided, is implemented in the function that hand-written mouse inserts or pulls up under the open state.
Technical essential of the present utility model is as shown in Figure 2: capacitive touch screen connects signal amplifying apparatus, and signal amplifying apparatus connects the A/D change-over circuit again, and the A/D change-over circuit is connected with processor; Position transducer is directly connected on the processor.The mouse mobile phase that handwriting tracks signal that capacitive touch screen is obtained and position transducer are obtained is to coordinate signal, by the USB communication of processor foundation with main frame, finish predetermined hand-written and mouse dual-use function, realized the plug-and-play feature of hand-written mouse under open state simultaneously.
Usefulness of the present utility model is: possess USB interface standard communication modes, efficient and convenient, the repertoire of integrating mouse and handwriting input can be in the open state plug and play.
Description of drawings
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Fig. 1 is an outside drawing of the present utility model.
Illustrate among the figure: 1, capacitive touch screen; 2, on; 3, writing pencil.
Fig. 2 is a theory diagram of the present utility model.
Illustrate among the figure: 1, capacitive touch screen; 4, signal amplifying apparatus; 5, A/D change-over circuit; 6, position transducer; 7, processor; 8, USB interface; 9, main frame.
Fig. 3 is a capacitive touch screen structural drawing of the present utility model.
Illustrate among the figure: 10, sense film; 11, substrate; 12, circuit board.
Fig. 4 is the circuit theory diagrams of processor and USB interface in the utility model.
Embodiment
The utility model is made up of capacitive touch screen 1, signal amplifying apparatus 4, A/D change-over circuit 5, position transducer 6, processor 7 and USB interface 8.
Fig. 2 is a theory diagram of the present utility model.The concrete structure annexation of the utility model is: capacitive touch screen 1 connects signal amplifying apparatus 4, and signal amplifying apparatus 4 connects A/D change-over circuit 5 again, and A/D change-over circuit 5 is connected with processor 7; Position transducer 6 links to each other with processor 7, and position transducer 6 also can be encapsulated in processor 7 inside; Processor 7 is embedded in USB interface 8, or processor 7 is connected with USB interface 8, and processor 7 links to each other with main frame 9 by USB interface 8.
In the present embodiment, capacitive touch screen 1 is the capacitance type touch control screen device, as shown in Figure 3, capacitive touch screen is made up of sense film 10, substrate 11 and circuit board 12, sense film 10 can its surperficial capacitance variations of sensing, substrate 11 is bases of sense film 10, plays fixation, and substrate is for 11 times a circuit board 12; Its concrete principle of work is: when on people's finger or the sense film 10 of other conducting medium at the capacitance touching control screen surfaces when mobile, cause the capacitance variations on capacitive touch screen 1 surface, current signal or voltage signal are detected and be converted to this variation by capacitive touch screen 1, capacitive touch screen 1 just can be measured the corresponding handwriting tracks signal in XY plane through signal Processing, amplify and note by signal amplifying apparatus 4, convert corresponding signal and data to through A/D change-over circuit 5, be transferred to processor 7, processor 7 is by processing and analysis to data, judge direction and speed that finger or other conducting medium move on capacitive touch screen 1, realize the identification of font again by the Character Font Recognition program of installing in the system software, be converted into block letter and preservation in time, finish hand-write input function.Processor 7 is supported the access of a plurality of function devices.The mode of handwriting input can be directly hand-written on touch screen, also can be to use writing pencil 3 as shown in Figure 1 to write.
Fig. 3 is the connection line figure of processor and USB interface in the utility model.Processor 7 directly is transferred to main frame by USB interface 8 with the information processing result of A/D change-over circuit and position transducer input, finishes mouse or handwriting functions, and realizes the plug-and-play feature of hand-written mouse at open state.The annexation that processor 7 and USB interface are concrete is:
The pin two 1 (USBD+) of processor links to each other with the USBD-node with the USBD+ of USB interface respectively with pin two 2 (USBD-); Processor pin two 1 (USBD+) links to each other with an end of resistance R 12 by the USBD+ node of USB interface, and the other end of resistance R 12 links to each other with the pin 3 (D+) of USB interface P1; Processor pin two 1 (USBD+) links to each other with the end of capacitor C 10 (47P) with capacitor C 12 (47P) respectively by the USBD+ node of USB interface again; The other end of capacitor C 10 (47P) links to each other with power supply V33; The other end ground connection of capacitor C 12 (47P); Processor pin two 2 (USBD-) links to each other with the end of resistance R 11 and R10 by the USBD-node of USB interface; The other end of resistance R 10 links to each other with power supply V33; The other end of resistance R 11 links to each other with the pin 2 (D-) of USB interface P1; Processor pin two 2 (USBD-) links to each other with the end of capacitor C 9 (47P) with capacitor C 11 (47P) respectively by the USBD-node of USB interface again; The other end of capacitor C 9 (47P) links to each other with power supply V33; The other end ground connection of capacitor C 11; The pin 1 of USB interface P1 links to each other with power supply VCC, is connected with capacitor C 8 simultaneously; Capacitor C 8 another side ground connection; Power supply VCC links to each other with electric capacity E1 one end, E1 other end ground connection; Pin 4 ground connection of USB interface P1; Processor pin 1 is unsettled to pin 20, and processor pin 23 is unsettled to pin 48.
The utility model is easy to use, and accurately and reliably, speed is fast, and the life-span is long, and volume is little, and is portable, has concurrently hand-written and the mouse dual-use function, and plug and play is practical.
Claims (5)
1, a kind of capacitance touching control hand-written mouse with USB interface, mainly constitute by touch screen, signal amplifying apparatus, A/D change-over circuit, position transducer, processor, it is characterized in that: capacitive touch screen connects signal amplifying apparatus, signal amplifying apparatus connects the A/D change-over circuit again, and the A/D change-over circuit is connected with processor; Position transducer links to each other with processor, and position transducer also can be encapsulated in processor inside; Processor is embedded in USB interface, or processor is connected with USB interface, and processor links to each other with main frame by USB interface.
2, the capacitance touching control hand-written mouse with USB interface according to claim 1, it is characterized in that: touch screen is a capacitive touch screen.
3, the capacitance touching control hand-written mouse with USB interface according to claim 1, it is characterized in that: position transducer can directly be connected with processor, also can be encapsulated in processor inside.
4, the capacitance touching control hand-written mouse with USB interface according to claim 1, it is characterized in that: position transducer is an optical displacement sensor, also can be the bobbin type sensor.
5, the capacitance touching control hand-written mouse with USB interface according to claim 1, it is characterized in that: the hand-written mouse processor with the annexation of USB interface is: the pin two 1 (USBD+) of processor links to each other with the USBD-node with the USBD+ of USB interface respectively with pin two 2 (USBD-); Processor pin two 1 (USBD+) links to each other with an end of resistance R 12 by the USBD+ node of USB interface, and the other end of resistance R 12 links to each other with the pin 3 (D+) of USB interface P1; Processor pin two 1 (USBD+) links to each other with the end of capacitor C 10 (47P) with capacitor C 12 (47P) respectively by the USBD+ node of USB interface; The other end of capacitor C 10 (47P) links to each other with V33; The other end ground connection of capacitor C 12 (47P); Processor pin two 2 (USBD-) links to each other with the end of resistance R 11 with R10 (1K5) by the USBD-node of USB interface; The other end of resistance R 10 (1K5) links to each other with V33; The other end of resistance R 11 links to each other with the pin 2 (D-) of USB interface P1; Processor pin two 2 (USBD-) links to each other with the end of capacitor C 9 (47P) with capacitor C 1 (47P) respectively by the USBD-node of USB interface; The other end of capacitor C 9 (47P) links to each other with V33; The other end ground connection of capacitor C 11; The pin 1 of USB interface P1 links to each other with power supply VCC, is connected with capacitor C 8 simultaneously; Capacitor C 8 another side ground connection; Power supply VCC links to each other with electric capacity E1 one end, pin 4 ground connection of E1 other end ground connection USB interface P1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005201068760U CN2821691Y (en) | 2005-09-06 | 2005-09-06 | Capacitance touch control hand writing mouse with USB intreface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005201068760U CN2821691Y (en) | 2005-09-06 | 2005-09-06 | Capacitance touch control hand writing mouse with USB intreface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2821691Y true CN2821691Y (en) | 2006-09-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2005201068760U Expired - Fee Related CN2821691Y (en) | 2005-09-06 | 2005-09-06 | Capacitance touch control hand writing mouse with USB intreface |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2821691Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102799330A (en) * | 2012-07-26 | 2012-11-28 | 惠州Tcl移动通信有限公司 | Electronic equipment-based sensor connecting circuit as well as control method and electronic equipment thereof |
-
2005
- 2005-09-06 CN CNU2005201068760U patent/CN2821691Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102799330A (en) * | 2012-07-26 | 2012-11-28 | 惠州Tcl移动通信有限公司 | Electronic equipment-based sensor connecting circuit as well as control method and electronic equipment thereof |
| CN102799330B (en) * | 2012-07-26 | 2016-04-13 | 惠州Tcl移动通信有限公司 | Based on the sensor connecting circuit of electronic equipment and control method thereof and electronic equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060927 Termination date: 20130906 |