CN100419655C - 触摸式感应装置 - Google Patents
触摸式感应装置 Download PDFInfo
- Publication number
- CN100419655C CN100419655C CNB2005100341115A CN200510034111A CN100419655C CN 100419655 C CN100419655 C CN 100419655C CN B2005100341115 A CNB2005100341115 A CN B2005100341115A CN 200510034111 A CN200510034111 A CN 200510034111A CN 100419655 C CN100419655 C CN 100419655C
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- CN
- China
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- signal
- inductor
- signal source
- diode
- differential signal
- 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.)
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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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
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Abstract
Description
Claims (11)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2005100341115A CN100419655C (zh) | 2005-04-08 | 2005-04-08 | 触摸式感应装置 |
US11/307,099 US7602383B2 (en) | 2005-04-08 | 2006-01-23 | Touch sensing apparatus with differential signal source |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2005100341115A CN100419655C (zh) | 2005-04-08 | 2005-04-08 | 触摸式感应装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1845045A CN1845045A (zh) | 2006-10-11 |
CN100419655C true CN100419655C (zh) | 2008-09-17 |
Family
ID=37063977
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2005100341115A Active CN100419655C (zh) | 2005-04-08 | 2005-04-08 | 触摸式感应装置 |
Country Status (2)
Country | Link |
---|---|
US (1) | US7602383B2 (zh) |
CN (1) | CN100419655C (zh) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7999797B2 (en) * | 2006-12-26 | 2011-08-16 | Sony Ericsson Mobile Communications Ab | Detecting and locating a touch or a tap on an input surface |
US8421757B2 (en) * | 2007-10-12 | 2013-04-16 | Sony Corporation | Touch sensor with a plurality of touch sensor sections |
US9689906B2 (en) | 2009-10-09 | 2017-06-27 | Egalax_Empia Technology Inc. | Method and device for position detection |
CN102043509B (zh) * | 2009-10-09 | 2013-11-06 | 禾瑞亚科技股份有限公司 | 分析位置的方法与装置 |
US9864471B2 (en) | 2009-10-09 | 2018-01-09 | Egalax_Empia Technology Inc. | Method and processor for analyzing two-dimension information |
TWI437479B (zh) | 2009-10-09 | 2014-05-11 | Egalax Empia Technology Inc | 電容式位置偵測的方法與裝置 |
EP2503432A4 (en) | 2009-10-09 | 2014-07-23 | Egalax Empia Technology Inc | METHOD AND DEVICE FOR DOUBLE DIFFERENTIATED DETECTION |
WO2011041945A1 (zh) | 2009-10-09 | 2011-04-14 | 禾瑞亚科技股份有限公司 | 二维度感测资讯分析的方法与装置 |
TWI438413B (zh) * | 2009-10-09 | 2014-05-21 | Egalax Empia Technology Inc | 訊號量測的方法與裝置 |
TWI423104B (zh) | 2009-10-09 | 2014-01-11 | Egalax Empia Technology Inc | 分析位置的方法與裝置 |
US8896548B2 (en) | 2009-10-09 | 2014-11-25 | Egalax—Empia Technology Inc. | Capacitive touch screen with method and device for converting sensing information including zero cross point |
US9335870B2 (en) * | 2010-06-07 | 2016-05-10 | Apple Inc. | Touch-display crosstalk |
CN102419647A (zh) * | 2010-09-27 | 2012-04-18 | 瑞鼎科技股份有限公司 | 触碰感测装置 |
CN102968224B (zh) * | 2011-08-31 | 2016-08-03 | 宸鸿光电科技股份有限公司 | 触控面板的控制电路及控制方法 |
JP5922984B2 (ja) * | 2012-05-02 | 2016-05-24 | 株式会社ジャパンディスプレイ | 液晶表示装置 |
US9001074B2 (en) | 2012-06-29 | 2015-04-07 | Cypress Semiconductor Corporation | Methods and apparatus to determine position of an input object |
CN103176675A (zh) * | 2013-01-31 | 2013-06-26 | 敦泰科技有限公司 | 面向投射电容屏的信号处理方法、装置、控制器和设备 |
US10955973B2 (en) * | 2013-04-16 | 2021-03-23 | Atmel Corporation | Differential sensing for touch sensors |
CN115698650A (zh) | 2020-06-02 | 2023-02-03 | 微芯片技术股份有限公司 | 利用差分值指示的电容感测 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1998026506A1 (en) * | 1996-12-10 | 1998-06-18 | Caldwell David W | Differential touch sensors and control circuit therefor |
JP2002333951A (ja) * | 2001-05-08 | 2002-11-22 | Matsushita Electric Ind Co Ltd | 入力装置 |
CN1420630A (zh) * | 2001-11-20 | 2003-05-28 | 英业达股份有限公司 | 触控式开关装置 |
US20040008058A1 (en) * | 2002-07-11 | 2004-01-15 | Sang-Chuel Lee | Impedance comparison integrator circuit |
CN2671234Y (zh) * | 2003-09-11 | 2005-01-12 | 上海天剑电磁技术有限公司 | 新型触摸感应开关 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4071691A (en) * | 1976-08-24 | 1978-01-31 | Peptek, Inc. | Human-machine interface apparatus |
US4707845A (en) * | 1986-08-26 | 1987-11-17 | Tektronix, Inc. | Touch panel with automatic nulling |
DE69324067T2 (de) * | 1992-06-08 | 1999-07-15 | Synaptics Inc | Objekt-Positionsdetektor |
US5565625A (en) * | 1994-12-01 | 1996-10-15 | Analog Devices, Inc. | Sensor with separate actuator and sense fingers |
JP3484355B2 (ja) * | 1998-09-28 | 2004-01-06 | オムロンヘルスケア株式会社 | 生体検知装置 |
GB9811151D0 (en) * | 1998-05-22 | 1998-07-22 | Scient Generics Ltd | Rotary encoder |
US6366099B1 (en) * | 1999-12-21 | 2002-04-02 | Conrad Technologies, Inc. | Differential capacitance sampler |
WO2002077571A2 (en) * | 2001-03-26 | 2002-10-03 | Koninklijke Philips Electronics N.V. | Method of and a device for coupling optical fibres and opto-electronic components |
DE10131284A1 (de) * | 2001-06-28 | 2003-01-09 | Krupp Berco Bautechnik Gmbh | Vorrichtung zur Umwandlung von Meßsignalen, die durch Schlagvorgänge eines hydraulischen Schlagaggregats in einem Piezo-Sensor ausgelöst werden, in Digital-Signale |
US7323886B2 (en) * | 2004-08-16 | 2008-01-29 | Ying Lau Lee | Linear capacitance measurement and touchless switch |
-
2005
- 2005-04-08 CN CNB2005100341115A patent/CN100419655C/zh active Active
-
2006
- 2006-01-23 US US11/307,099 patent/US7602383B2/en not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1998026506A1 (en) * | 1996-12-10 | 1998-06-18 | Caldwell David W | Differential touch sensors and control circuit therefor |
JP2002333951A (ja) * | 2001-05-08 | 2002-11-22 | Matsushita Electric Ind Co Ltd | 入力装置 |
CN1420630A (zh) * | 2001-11-20 | 2003-05-28 | 英业达股份有限公司 | 触控式开关装置 |
US20040008058A1 (en) * | 2002-07-11 | 2004-01-15 | Sang-Chuel Lee | Impedance comparison integrator circuit |
CN2671234Y (zh) * | 2003-09-11 | 2005-01-12 | 上海天剑电磁技术有限公司 | 新型触摸感应开关 |
Also Published As
Publication number | Publication date |
---|---|
CN1845045A (zh) | 2006-10-11 |
US20060227119A1 (en) | 2006-10-12 |
US7602383B2 (en) | 2009-10-13 |
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C14 | Grant of patent or utility model | ||
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TR01 | Transfer of patent right |
Effective date of registration: 20201104 Address after: 518109, No. two, No. tenth, East Ring Road, Pinus tabulaeformis Industrial Zone, Longhua Town, Baoan District, Guangdong, Shenzhen, 2 Patentee after: Hongfujin Precision Industry (Shenzhen) Co.,Ltd. Patentee after: SOCLETECHNOLOGY Corp. Address before: 518109, No. two, No. tenth, East Ring Road, Pinus tabulaeformis Industrial Zone, Longhua Town, Baoan District, Guangdong, Shenzhen, 2 Patentee before: Hongfujin Precision Industry (Shenzhen) Co.,Ltd. Patentee before: HON HAI PRECISION INDUSTRY Co.,Ltd. |
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TR01 | Transfer of patent right |