CN202523043U - Driving circuit for capacitive screen - Google Patents
Driving circuit for capacitive screen Download PDFInfo
- Publication number
- CN202523043U CN202523043U CN2012201628207U CN201220162820U CN202523043U CN 202523043 U CN202523043 U CN 202523043U CN 2012201628207 U CN2012201628207 U CN 2012201628207U CN 201220162820 U CN201220162820 U CN 201220162820U CN 202523043 U CN202523043 U CN 202523043U
- Authority
- CN
- China
- Prior art keywords
- electrically connected
- driving circuit
- circuit
- capacitance plate
- electrode
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The utility model belongs to the technical field of electronics and provides a driving circuit for a capacitive screen. The driving circuit comprises a capacitive screen, wherein the capacitive screen is electrically connected with a driving circuit part electrically connected with a detection circuit; the capacitive screen is provided with an X-direction electrode and a Y-direction electrode that are electrically connected with the X-direction electrode and the Y-direction electrode; and the detection circuit is electrically connected with a processing circuit. The driving circuit for the capacitive screen has the advantages that the driving circuit is good in driving transmission and high in touch sensitivity and touch precision, and can shield the interference of voltage signals.
Description
Technical field
The utility model belongs to electronic technology field, relates to a kind of driving circuit of capacitance plate.
Background technology
Along with development of electronic technology, at present also increasingly high for the requirement of various display devices, mainly be to comprise resistive screen, piezoelectric type screen and condenser type screen here; Because resistive screen need rely on physical force to make it to produce signal; Use the back poor-performing long-time, and piezoelectric type screen cost is bigger, forms coupling capacitance output detection signal but the condenser type screen is electric field, finger and the workplace that relies on human body; Present application surface is also more and more wider; But existing capacitance plate signal driving transmission property is poor, and touch sensitivity is blunt, and it is poor to touch degree of accuracy.
Summary of the invention
The utility model technical matters to be solved is the present situation to prior art, and provides a kind of simple in structure, and screen is frivolous, the driving circuit of the capacitance plate that transmittance is high.
The utility model solves the problems of the technologies described above the technical scheme that is adopted: a kind of driving circuit of capacitance plate; It is characterized in that: comprise capacitance plate; Be electrically connected with driving circuit on the described capacitance plate, be electrically connected with testing circuit on the described driving circuit, described capacitance plate be provided with X to electrode and Y to electrode; Described X all is electrically connected with testing circuit to electrode to electrode and Y, on testing circuit, is electrically connected with treatment circuit.
The measure of taking for the optimization such scheme specifically comprises:
In the driving circuit of above-mentioned a kind of capacitance plate; Also comprise felt pen in this circuit; Comprise in the described felt pen that power supply unit, signal generation portion, electric current emit portion and induction by current portion; Described power supply unit is emitted portion and induction by current portion with signal generation portion, electric current respectively and is electrically connected and is used to provide electric energy, and described signal generation portion is electrically connected with induction by current portion.
Compared with prior art, it is good that the advantage of the utility model is that the driving circuit of capacitance plate not only drives transmission property difference, and touch sensitivity is high, and it is high to touch degree of accuracy, interference that can the mask voltage signal.
Description of drawings
Fig. 1 is the one-piece construction synoptic diagram of the utility model;
Fig. 2 is the electrical block diagram of the felt pen in the utility model.
Among the figure, capacitance plate 1; Driving circuit 2; Testing circuit 3; X is to electrode 4; Y is to electrode 5; Treatment circuit 6; Felt pen 7; Power supply unit 8; Signal generation portion 9; Electric current is emitted portion 10; Induction by current portion 11.
Embodiment
Below be the specific embodiment of the utility model and combine accompanying drawing, the technical scheme of the utility model is done further to describe, but the utility model is not limited to these embodiment.
As depicted in figs. 1 and 2; The driving circuit of this capacitance plate; Comprise capacitance plate 1, be electrically connected with driving circuit 2 on the capacitance plate 1, be electrically connected with testing circuit 3 on the driving circuit 2; Capacitance plate 1 be provided with X to electrode 4 and Y to electrode 5, this capacitance plate 1 mainly is to carry out touch operation through felt pen 7.
X all is electrically connected with testing circuit 3 to electrode 5 with Y to electrode 4; Here be used to detect X to electrode 4 and the touch location of Y on electrode 5 through testing circuit 3; On testing circuit 3, be electrically connected with treatment circuit 6; Through treatment circuit 6 detected signal is carried out inter-process, also comprise felt pen 7 in this circuit, comprise in the felt pen 7 that power supply unit 8, signal generation portion 9, electric current emit portion 10 and induction by current portion 11; Power supply unit 8 is emitted portion 10 and induction by current portion 11 with signal generation portion 9, electric current respectively and is electrically connected and is used to provide electric energy, and signal generation portion 9 is electrically connected with induction by current portion 11
Specific embodiment described herein only is that the utility model spirit is illustrated.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from the spiritual defined scope of the utility model.
Claims (2)
1. the driving circuit of a capacitance plate; It is characterized in that: comprise capacitance plate (1); Be electrically connected with driving circuit (2) on the described capacitance plate (1), be electrically connected with testing circuit (3) on the described driving circuit (2), described capacitance plate (1) be provided with X to electrode (4) and Y to electrode (5); Described X all is electrically connected with testing circuit (3) to electrode (5) to electrode (4) and Y, on testing circuit (3), is electrically connected with treatment circuit (6).
2. the driving circuit of a kind of capacitance plate according to claim 1; It is characterized in that: also comprise felt pen (7) in this circuit; Comprise in the described felt pen (7) that power supply unit (8), signal generation portion (9), electric current emit portion (10) and induction by current portion (11); Described power supply unit (8) is emitted portion (10) and induction by current portion (11) with signal generation portion (9), electric current respectively and is electrically connected and is used to provide electric energy, and described signal generation portion (9) is electrically connected with induction by current portion (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201628207U CN202523043U (en) | 2012-04-06 | 2012-04-06 | Driving circuit for capacitive screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201628207U CN202523043U (en) | 2012-04-06 | 2012-04-06 | Driving circuit for capacitive screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202523043U true CN202523043U (en) | 2012-11-07 |
Family
ID=47105984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201628207U Expired - Fee Related CN202523043U (en) | 2012-04-06 | 2012-04-06 | Driving circuit for capacitive screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202523043U (en) |
-
2012
- 2012-04-06 CN CN2012201628207U patent/CN202523043U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103279248B (en) | Integrated touch-control organic LED display device | |
| CN103984442B (en) | Embedded active matrix organic light-emitting diode contact panel | |
| CN111580693B (en) | Force sensor | |
| CN202067224U (en) | Position indicator | |
| US8766954B2 (en) | Active stylus for use with touch-sensitive interfaces and corresponding method | |
| JP2015079487A (en) | Touch sensing system and display apparatus | |
| CN203502948U (en) | Touch input system | |
| CN110471546A (en) | A kind of stylus, touch panel, touch-control system and touch control method | |
| CN107479738B (en) | Method for operating electronic device with independent power supply | |
| CN103455176A (en) | Active capacitance pen, capacitance touch panel and touch device | |
| CN203673444U (en) | Active capacitive stylus | |
| CN103019487B (en) | A kind of push type capacitance plate | |
| CN202854775U (en) | An inductance and capacitance type double-mode touch control device | |
| TW201500977A (en) | Touch input method | |
| CN203311399U (en) | Mobile phone touch screen with proximity sensing function | |
| CN202523043U (en) | Driving circuit for capacitive screen | |
| CN206060714U (en) | A kind of capacitor type human body proximity detection system | |
| CN201418069Y (en) | Touch control induction circuit of induction cooker | |
| CN209168077U (en) | A kind of touch screen electrostatic surge absorbing circuit, touch screen and electronic equipment | |
| CN203376723U (en) | Capacitive touch screen | |
| CN108388357A (en) | A kind of control system of capacitance plate detection writer be passive electrical magnetic pen | |
| CN104036820A (en) | Multifunctional recording pen capable of measuring distance | |
| CN204965340U (en) | High electric capacity touch -control keyboard of input rate of accuracy | |
| CN106325643A (en) | Touch screen using voltage integral electronic pen and control method | |
| CN104375677A (en) | Touch screen using voltage integral electronic pen |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: PENG QUNZHI Free format text: FORMER OWNER: CHEN FALIN Effective date: 20131101 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 322304 JINHUA, ZHEJIANG PROVINCE TO: 443500 YICHANG, HUBEI PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20131101 Address after: 443500, Changyang Tujia Autonomous County of Hubei, Yichang Province dragon boat Ping Town, Zhu Jin Beach village two groups Patentee after: Peng Qunzhi Address before: 322304, Feng County, Zhejiang Province, Panan province disk Feng Village No. 320 Patentee before: Chen Falin |
|
| ASS | Succession or assignment of patent right |
Owner name: HUBEI HUASHANG OPTOELECTRONICS CO., LTD. Free format text: FORMER OWNER: PENG QUNZHI Effective date: 20140321 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 443500 YICHANG, HUBEI PROVINCE TO: 443000 YICHANG, HUBEI PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140321 Address after: 443000, Yichang, Hubei province Yidu safflower town set Yang Village Patentee after: HUBEI HUASHANG PHOTOELECTRIC CO., LTD. Address before: 443500, Changyang Tujia Autonomous County of Hubei, Yichang Province dragon boat Ping Town, Zhu Jin Beach village two groups Patentee before: Peng Qunzhi |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121107 Termination date: 20180406 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |