CN205080507U - Touch pen for capacitance screen - Google Patents
Touch pen for capacitance screen Download PDFInfo
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- CN205080507U CN205080507U CN201520606617.8U CN201520606617U CN205080507U CN 205080507 U CN205080507 U CN 205080507U CN 201520606617 U CN201520606617 U CN 201520606617U CN 205080507 U CN205080507 U CN 205080507U
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- control chip
- pointer
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Abstract
The utility model provides a touch pen for capacitance screen includes: a touch -control main part, the nib, it sets up in a touch -control main part one end, pressure sensor, place a touch -control main part in it in, pressure sensor is connected with the nib and obtains the pressure value, control chip places in it in the touch -control main part to be connected with the pressure sensor electricity, control chip acquires the pressure value that pressure sensor obtained, encrypt the chip, place in it in the touch -control main part to be connected with the control chip electricity, control chip encrypts the pressure value through encrypting the chip, and obtains the enciphered message value, and the signal transmission ware, place in it in the touch -control main part to be connected with the control chip electricity, control chip transmits the enciphered message value through the signal transmission ware. Adopt the utility model discloses a touch pen for capacitance screen signs, the dynamics information of the in -process that can obtain to sign to encrypting, making signature process safe and reliable, the security performance is good.
Description
Technical field
The utility model relates to technical field of touch control, particularly a kind of capacitance plate pointer.
Background technology
Along with the development of electronics technology, the Mobile portable terminals such as smart mobile phone, Intelligent flat computer are widely used.At present, control to be realized by hand to the operation of mobile terminal, also can be realized by pointer, to meet the use operating habit of different crowd.
Then, along with the development of the digital certificate technology such as electronic banking, the scene of being carried out authorization to sign by mobile terminal is got more and more.At present, the screen that mobile terminal adopts, mainly based on capacitance plate, corresponds, and is capacitance plate pointer in order to carry out the pointer of various manipulation at the capacitance plate of this mobile terminal.
Traditional capacitance plate pointer only possesses and realizes signing by the position of locating on wherein capacitance plate, but cannot maintain secrecy to the information of signing, and there is the limitation that security is not good.
Utility model content
The purpose of this utility model is to solve the not good technical matters of capacitance plate pointer security.
For solving the problems of the technologies described above, the utility model adopts following technical scheme:
A kind of capacitance plate pointer, comprising:
Pointer main body;
Nib, it is arranged on described pointer main body one end;
Pressure transducer, it is built in described pointer main body, and described pressure transducer is connected with described nib and obtains force value;
Control chip, it is built in described pointer main body, and is electrically connected with described pressure transducer, and described control chip receives the described force value that described pressure transducer obtains;
Encryption chip, it is built in described pointer main body, and is electrically connected with described control chip, and described force value transfers to described encryption chip to be encrypted by described control chip, to obtain enciphered message value; And
Signal transmission device, it is built in described pointer main body, and is electrically connected with described control chip, and described control chip transmits described enciphered message value by described signal transmission device.
Wherein in an embodiment, also comprise: spring, it is built in described pointer main body, and institute's spring housing is connected on described nib, and is connected with described pressure transducer.
Wherein in an embodiment, the end of described nib is arc-shaped.
Wherein in an embodiment, described nib is for making by conductive material.
Wherein in an embodiment, it is characterized in that, described signal transmission device is Bluetooth transmission device.
As shown from the above technical solution, advantage of the present utility model and good effect are:
In the utility model, obtain the pressure information in signature process by pressure transducer, and by encryption chip, formation enciphered message value is encrypted to pressure information.Adopt capacitance plate pointer of the present utility model to sign, can obtain the dynamics information in signature process, and be encrypted, make signature process safety reliable, security performance is good.
Accompanying drawing explanation
Fig. 1 is the structural representation of capacitance plate pointer in an embodiment;
Fig. 2 is that in Fig. 1, on nib, cover has the structural representation of spring.
Description of reference numerals is as follows: 10, pointer main body; 20, nib; 30, pressure transducer; 40, control chip; 50, encryption chip; 60, signal transmission device; 70, spring.
Embodiment
The exemplary embodiment embodying the utility model feature & benefits will describe in detail in the following description.Be understood that the utility model can have various changes on different embodiments, it neither departs from scope of the present utility model, and explanation wherein and to be shown in be use when explain in essence, and be not used to limit the utility model.
Fig. 1 ~ 2, in an embodiment, a kind of capacitance plate pointer, comprises pointer main body 10, nib 20, pressure transducer 30, control chip 40, encryption chip 50 and signal transmission device 60, wherein:
Pointer main body 10 is elongated rod shape, is easy to grip.
Nib 20, it is arranged on pointer main body 10 one end.Particularly, a part for this nib 20 is placed in pointer main body 10, and a part extends the outside of pointer main body 10 in addition.
In the present embodiment, the end of this nib 20 is arc-shaped, and adopts and can make by conductive material, such as conducting foam, metal, the hairbrush etc. that animal skin does.
Pressure transducer 30, it is built in pointer main body 10, and pressure transducer 30 is connected with nib 20 and obtains force value.Particularly, pressure transducer 30 by the connection with nib 20, the force value that when directly can get signature, nib 20 transmits.In other embodiments, by reference to the accompanying drawings 2, can arrange a spring 70 in pointer main body 10, this spring 70 is socketed on nib 20, and is connected with pressure transducer 30, and the force value that pressure transducer 30 can be made like this to obtain is comparatively mild.
Control chip 40, it is built in pointer main body 10, and is electrically connected with pressure transducer 30, and control chip 40 obtains the force value that pressure transducer 30 obtains.Particularly, control chip 40, after the force value acquiring pressure transducer 30, can also control encryption chip 50 pairs of force value and be encrypted, and encrypts the enciphered message value obtained and is transmitted by signal transmission device 60, to play middle control effect.
Encryption chip 50, it is built in pointer main body 10, and is electrically connected with control chip 40, and force value transfers to encryption chip 50 to be encrypted by control chip 40, and obtains enciphered message value.Such as, this encryption chip 50 can adopt ATMEL encryption chip 50ATSHA204, Tongfang company encryption chip 50TF32A09 etc.The encryption chip 50 that the utility model scheme adopts can be replaced according to the requirement in market, and the encryption chip 50 adopted includes but not limited to cited encryption chip 50.
Signal transmission device 60, it is built in pointer main body 10, and is electrically connected with control chip 40, and control chip 40 is transmitted by signal transmission device 60 pairs of enciphered message values.This signal transmission device 60 can be Bluetooth transmission device, infrared transfer device or WIFI, and adopted is Bluetooth transmission device in the present embodiment.
Adopt the program, obtain the pressure information in signature process by pressure transducer 30, and be encrypted formation enciphered message value by encryption chip 50 pairs of pressure informations.When capacitance plate pointer is signed, can obtain the dynamics information in signature process, and be encrypted, make signature process safety reliable, security performance is good.
Further, capacitance plate pointer is shielded by touch control capacitance, and make capacitance plate obtain the positional information (X, Y) of capacitance plate pointer, capacitance plate passes to system this positional information simultaneously.With this simultaneously, pressure transducer 30 creates force value (Z) on this location point, this force value (Z) is encrypted through encryption chip 50, system is passed to by signal transmission device 60, namely positional information (X, Y) and the force value (Z) of capacitance plate pointer parallelly respectively pass to system.Therefore, system forms the signal value (X, Y, Z) of person's handwriting by the positional information (X, Y) that gets and force value (Z), realizes writing of capacitance plate pointer.
Adopt the program, in signature process, the important information of the position of capacitance plate pointer, dynamics can be associated, further improve the security of capacitance plate pointer.
Although describe the utility model with reference to several exemplary embodiment, should be appreciated that term used illustrates and exemplary and nonrestrictive term.Specifically can implement in a variety of forms due to the utility model and not depart from spirit or the essence of utility model, so be to be understood that, above-mentioned embodiment is not limited to any aforesaid details, and explain widely in the spirit and scope that should limit in claim of enclosing, therefore fall into whole change in claim or its equivalent scope and remodeling and all should be claim of enclosing and contained.
Claims (5)
1. a capacitance plate pointer, is characterized in that, comprising:
Pointer main body;
Nib, it is arranged on described pointer main body one end;
Pressure transducer, it is built in described pointer main body, and described pressure transducer is connected with described nib and obtains force value;
Control chip, it is built in described pointer main body, and is electrically connected with described pressure transducer, and described control chip receives the described force value that described pressure transducer obtains;
Encryption chip, it is built in described pointer main body, and is electrically connected with described control chip, and described force value transfers to described encryption chip to be encrypted by described control chip, to obtain enciphered message value; And
Signal transmission device, it is built in described pointer main body, and is electrically connected with described control chip, and described control chip transmits described enciphered message value by described signal transmission device.
2. capacitance plate pointer according to claim 1, is characterized in that, also comprise: spring, and it is built in described pointer main body, and institute's spring housing is connected on described nib, and is connected with described pressure transducer.
3. capacitance plate pointer according to claim 2, is characterized in that, the end of described nib is arc-shaped.
4. capacitance plate pointer according to claim 3, is characterized in that, described nib is for making by conductive material.
5. the capacitance plate pointer according to claim 1 ~ 4 any one, is characterized in that, described signal transmission device is Bluetooth transmission device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520606617.8U CN205080507U (en) | 2015-08-13 | 2015-08-13 | Touch pen for capacitance screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520606617.8U CN205080507U (en) | 2015-08-13 | 2015-08-13 | Touch pen for capacitance screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205080507U true CN205080507U (en) | 2016-03-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520606617.8U Active CN205080507U (en) | 2015-08-13 | 2015-08-13 | Touch pen for capacitance screen |
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| CN (1) | CN205080507U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107636572A (en) * | 2017-06-26 | 2018-01-26 | 深圳市汇顶科技股份有限公司 | Pressure-detecting device and stylus |
-
2015
- 2015-08-13 CN CN201520606617.8U patent/CN205080507U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107636572A (en) * | 2017-06-26 | 2018-01-26 | 深圳市汇顶科技股份有限公司 | Pressure-detecting device and stylus |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |