CN107765930A - 电容感应检测电路及方法 - Google Patents
电容感应检测电路及方法 Download PDFInfo
- Publication number
- CN107765930A CN107765930A CN201710893954.3A CN201710893954A CN107765930A CN 107765930 A CN107765930 A CN 107765930A CN 201710893954 A CN201710893954 A CN 201710893954A CN 107765930 A CN107765930 A CN 107765930A
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- electrode
- circuit
- oscillator signal
- signal
- sensor circuit
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- 238000000034 method Methods 0.000 title claims abstract description 8
- 238000001514 detection method Methods 0.000 claims abstract description 93
- 230000005611 electricity Effects 0.000 claims abstract description 13
- 238000007689 inspection Methods 0.000 claims abstract description 12
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- 238000003491 array Methods 0.000 claims description 4
- 230000009514 concussion Effects 0.000 description 16
- 238000006243 chemical reaction Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 8
- 238000012544 monitoring process Methods 0.000 description 5
- 230000005684 electric field Effects 0.000 description 4
- 238000013459 approach Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- MRNHPUHPBOKKQT-UHFFFAOYSA-N indium;tin;hydrate Chemical compound O.[In].[Sn] MRNHPUHPBOKKQT-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04104—Multi-touch detection in digitiser, i.e. details about the simultaneous detection of a plurality of touching locations, e.g. multiple fingers or pen and finger
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Position Input By Displaying (AREA)
- Switches That Are Operated By Magnetic Or Electric Fields (AREA)
Abstract
Description
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710893954.3A CN107765930B (zh) | 2017-09-28 | 2017-09-28 | 电容感应检测电路及方法 |
Applications Claiming Priority (1)
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CN201710893954.3A CN107765930B (zh) | 2017-09-28 | 2017-09-28 | 电容感应检测电路及方法 |
Publications (2)
Publication Number | Publication Date |
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CN107765930A true CN107765930A (zh) | 2018-03-06 |
CN107765930B CN107765930B (zh) | 2020-10-09 |
Family
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CN201710893954.3A Active CN107765930B (zh) | 2017-09-28 | 2017-09-28 | 电容感应检测电路及方法 |
Country Status (1)
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CN (1) | CN107765930B (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109656430A (zh) * | 2019-01-16 | 2019-04-19 | 汕头超声显示器技术有限公司 | 一种具有接近探测功能的电容触摸屏 |
WO2020034123A1 (zh) * | 2018-08-15 | 2020-02-20 | 深圳市汇顶科技股份有限公司 | 触控芯片、电子设备及触控方法 |
Citations (11)
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US20110267310A1 (en) * | 2010-04-28 | 2011-11-03 | Sony Corporation | Sensor apparatus and information display apparatus |
CN102782626A (zh) * | 2010-04-30 | 2012-11-14 | 密克罗奇普技术公司 | 使用自电容及互电容两者的电容性触摸系统 |
CN102830882A (zh) * | 2012-09-04 | 2012-12-19 | 北京集创北方科技有限公司 | 一种电容触摸屏触摸检测方法和检测电路 |
CN103294292A (zh) * | 2012-03-27 | 2013-09-11 | 上海天马微电子有限公司 | 一种电容式触摸屏的触摸检测方法和电容式触摸屏 |
CN103995627A (zh) * | 2013-02-19 | 2014-08-20 | 比亚迪股份有限公司 | 一种电容触摸屏的检测方法及装置 |
US20150145802A1 (en) * | 2013-11-25 | 2015-05-28 | Apple Inc. | Reconfigurable circuit topology for both self-cap and mutual cap sensing |
CN205158316U (zh) * | 2015-10-16 | 2016-04-13 | 深圳莱宝高科技股份有限公司 | 一种触控显示面板 |
US20170031507A1 (en) * | 2012-11-14 | 2017-02-02 | Orise Technology Co., Ltd. | In-cell multi-touch display panel system |
CN106502482A (zh) * | 2015-08-21 | 2017-03-15 | 禾瑞亚科技股份有限公司 | 触控系统与触摸屏的信号测量装置及方法 |
CN106559065A (zh) * | 2015-11-13 | 2017-04-05 | 上海宏昊企业发展有限公司 | 自电容互电容一体式触摸按键 |
CN106909254A (zh) * | 2012-04-30 | 2017-06-30 | 苹果公司 | 电容触摸近场‑远场切换 |
-
2017
- 2017-09-28 CN CN201710893954.3A patent/CN107765930B/zh active Active
Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20110267310A1 (en) * | 2010-04-28 | 2011-11-03 | Sony Corporation | Sensor apparatus and information display apparatus |
CN102782626A (zh) * | 2010-04-30 | 2012-11-14 | 密克罗奇普技术公司 | 使用自电容及互电容两者的电容性触摸系统 |
CN103294292A (zh) * | 2012-03-27 | 2013-09-11 | 上海天马微电子有限公司 | 一种电容式触摸屏的触摸检测方法和电容式触摸屏 |
CN106909254A (zh) * | 2012-04-30 | 2017-06-30 | 苹果公司 | 电容触摸近场‑远场切换 |
CN102830882A (zh) * | 2012-09-04 | 2012-12-19 | 北京集创北方科技有限公司 | 一种电容触摸屏触摸检测方法和检测电路 |
US20170031507A1 (en) * | 2012-11-14 | 2017-02-02 | Orise Technology Co., Ltd. | In-cell multi-touch display panel system |
CN103995627A (zh) * | 2013-02-19 | 2014-08-20 | 比亚迪股份有限公司 | 一种电容触摸屏的检测方法及装置 |
US20150145802A1 (en) * | 2013-11-25 | 2015-05-28 | Apple Inc. | Reconfigurable circuit topology for both self-cap and mutual cap sensing |
CN106502482A (zh) * | 2015-08-21 | 2017-03-15 | 禾瑞亚科技股份有限公司 | 触控系统与触摸屏的信号测量装置及方法 |
CN205158316U (zh) * | 2015-10-16 | 2016-04-13 | 深圳莱宝高科技股份有限公司 | 一种触控显示面板 |
CN106559065A (zh) * | 2015-11-13 | 2017-04-05 | 上海宏昊企业发展有限公司 | 自电容互电容一体式触摸按键 |
Non-Patent Citations (2)
Title |
---|
D.A.SMOLYANSKY等: "《Computing self and mutual capacitance and inductance using even and odd TDR measurements》", 《IEEE XPLORE》 * |
黄西莹: "《基于电容式触控技术的人机交互技术研究》", 《万方学位论文数据库》 * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020034123A1 (zh) * | 2018-08-15 | 2020-02-20 | 深圳市汇顶科技股份有限公司 | 触控芯片、电子设备及触控方法 |
US11119603B2 (en) | 2018-08-15 | 2021-09-14 | Shenzhen GOODIX Technology Co., Ltd. | Touch control chip, electronic device having the same and touch detection method therefor |
CN109656430A (zh) * | 2019-01-16 | 2019-04-19 | 汕头超声显示器技术有限公司 | 一种具有接近探测功能的电容触摸屏 |
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Publication number | Publication date |
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CN107765930B (zh) | 2020-10-09 |
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Application publication date: 20180306 Assignee: Hengqin Financial Investment International Finance Leasing Co.,Ltd. Assignor: ZHUHAI SPACETOUCH Ltd. Contract record no.: X2022980021423 Denomination of invention: Capacitance induction detection circuit and method Granted publication date: 20201009 License type: Exclusive License Record date: 20221115 |
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Denomination of invention: Capacitance induction detection circuit and method Effective date of registration: 20221118 Granted publication date: 20201009 Pledgee: Hengqin Financial Investment International Finance Leasing Co.,Ltd. Pledgor: ZHUHAI SPACETOUCH Ltd. Registration number: Y2022980022393 |
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Date of cancellation: 20231228 Granted publication date: 20201009 Pledgee: Hengqin Financial Investment International Finance Leasing Co.,Ltd. Pledgor: ZHUHAI SPACETOUCH Ltd. Registration number: Y2022980022393 |
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Assignee: Hengqin Financial Investment International Finance Leasing Co.,Ltd. Assignor: ZHUHAI SPACETOUCH Ltd. Contract record no.: X2022980021423 Date of cancellation: 20240103 |
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