GB2072389A - Capacitive key input unit and method of operating same - Google Patents
Capacitive key input unit and method of operating same Download PDFInfo
- Publication number
- GB2072389A GB2072389A GB8104170A GB8104170A GB2072389A GB 2072389 A GB2072389 A GB 2072389A GB 8104170 A GB8104170 A GB 8104170A GB 8104170 A GB8104170 A GB 8104170A GB 2072389 A GB2072389 A GB 2072389A
- Authority
- GB
- United Kingdom
- Prior art keywords
- key
- electrodes
- input unit
- electrode
- capacitive
- 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.)
- Withdrawn
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
- H03K17/965—Switches controlled by moving an element forming part of the switch
- H03K17/975—Switches controlled by moving an element forming part of the switch using a capacitive movable element
- H03K17/98—Switches controlled by moving an element forming part of the switch using a capacitive movable element having a plurality of control members, e.g. keyboard
-
- 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
- G06F3/0446—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using a grid-like structure of electrodes in at least two directions, e.g. using row and column electrodes
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)
- Electronic Switches (AREA)
- Push-Button Switches (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1568280A JPS56114028A (en) | 1980-02-12 | 1980-02-12 | Capacity-type coordinate input device |
Publications (1)
Publication Number | Publication Date |
---|---|
GB2072389A true GB2072389A (en) | 1981-09-30 |
Family
ID=11895514
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8104170A Withdrawn GB2072389A (en) | 1980-02-12 | 1981-02-11 | Capacitive key input unit and method of operating same |
Country Status (4)
Cited By (44)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2133139A (en) * | 1982-12-29 | 1984-07-18 | Western Electric Co | Touch sensitive device |
US4758830A (en) * | 1984-10-25 | 1988-07-19 | Ti Corporate Services Limited | Switch/display units |
WO2008010917A1 (en) * | 2006-07-06 | 2008-01-24 | Apple Inc. | Mutual capacitance touch sensing device |
US7671837B2 (en) | 2005-09-06 | 2010-03-02 | Apple Inc. | Scrolling input arrangements using capacitive sensors on a flexible membrane |
US7710393B2 (en) | 2001-10-22 | 2010-05-04 | Apple Inc. | Method and apparatus for accelerated scrolling |
US7710394B2 (en) | 2001-10-22 | 2010-05-04 | Apple Inc. | Method and apparatus for use of rotational user inputs |
US7795553B2 (en) | 2006-09-11 | 2010-09-14 | Apple Inc. | Hybrid button |
US7880729B2 (en) | 2005-10-11 | 2011-02-01 | Apple Inc. | Center button isolation ring |
US7910843B2 (en) | 2007-09-04 | 2011-03-22 | Apple Inc. | Compact input device |
US7932897B2 (en) | 2004-08-16 | 2011-04-26 | Apple Inc. | Method of increasing the spatial resolution of touch sensitive devices |
WO2011058116A1 (en) * | 2009-11-11 | 2011-05-19 | Ident Technology Ab | Sensor electronics for a plurality of sensor elements and method for determining a position of an object at the sensor elements |
US8022935B2 (en) | 2006-07-06 | 2011-09-20 | Apple Inc. | Capacitance sensing electrode with integrated I/O mechanism |
USRE42738E1 (en) | 1997-10-28 | 2011-09-27 | Apple Inc. | Portable computers |
US8059099B2 (en) | 2006-06-02 | 2011-11-15 | Apple Inc. | Techniques for interactive input to portable electronic devices |
US8125461B2 (en) | 2008-01-11 | 2012-02-28 | Apple Inc. | Dynamic input graphic display |
US8274479B2 (en) | 2006-10-11 | 2012-09-25 | Apple Inc. | Gimballed scroll wheel |
US8363031B2 (en) | 2008-09-24 | 2013-01-29 | 3M Innovative Properties Company | Mutual capacitance measuring circuits and methods |
US8395590B2 (en) | 2008-12-17 | 2013-03-12 | Apple Inc. | Integrated contact switch and touch sensor elements |
US8411066B2 (en) | 2010-01-05 | 2013-04-02 | 3M Innovative Properties Company | High speed noise tolerant multi-touch touch device and controller therefor |
US8416198B2 (en) | 2007-12-03 | 2013-04-09 | Apple Inc. | Multi-dimensional scroll wheel |
US8446370B2 (en) | 2002-02-25 | 2013-05-21 | Apple Inc. | Touch pad for handheld device |
US8482530B2 (en) | 2006-11-13 | 2013-07-09 | Apple Inc. | Method of capacitively sensing finger position |
US8493358B2 (en) | 2010-05-25 | 2013-07-23 | 3M Innovative Properties Company | High speed low power multi-touch touch device and controller therefor |
CN103261844A (zh) * | 2010-12-29 | 2013-08-21 | 罗伯特·博世有限公司 | 对机械部件进行周围环境监控的传感器系统及激励和分析传感器系统的方法 |
US8537132B2 (en) | 2005-12-30 | 2013-09-17 | Apple Inc. | Illuminated touchpad |
US8552990B2 (en) | 2003-11-25 | 2013-10-08 | Apple Inc. | Touch pad for handheld device |
US8683378B2 (en) | 2007-09-04 | 2014-03-25 | Apple Inc. | Scrolling techniques for user interfaces |
US8743060B2 (en) | 2006-07-06 | 2014-06-03 | Apple Inc. | Mutual capacitance touch sensing device |
US8749493B2 (en) | 2003-08-18 | 2014-06-10 | Apple Inc. | Movable touch pad with added functionality |
US8773366B2 (en) | 2009-11-16 | 2014-07-08 | 3M Innovative Properties Company | Touch sensitive device using threshold voltage signal |
US8816967B2 (en) | 2008-09-25 | 2014-08-26 | Apple Inc. | Capacitive sensor having electrodes arranged on the substrate and the flex circuit |
US8820133B2 (en) | 2008-02-01 | 2014-09-02 | Apple Inc. | Co-extruded materials and methods |
US8872771B2 (en) | 2009-07-07 | 2014-10-28 | Apple Inc. | Touch sensing device having conductive nodes |
US8890841B2 (en) | 2013-03-13 | 2014-11-18 | 3M Innovative Properties Company | Capacitive-based touch apparatus and method therefor, with reduced interference |
US9348477B2 (en) | 2005-11-15 | 2016-05-24 | Synaptics Incorporated | Methods and systems for detecting a position-based attribute of an object using digital codes |
US9354751B2 (en) | 2009-05-15 | 2016-05-31 | Apple Inc. | Input device with optimized capacitive sensing |
US9367151B2 (en) | 2005-12-30 | 2016-06-14 | Apple Inc. | Touch pad with symbols based on mode |
US9389724B2 (en) | 2010-09-09 | 2016-07-12 | 3M Innovative Properties Company | Touch sensitive device with stylus support |
US9417739B2 (en) | 2009-05-29 | 2016-08-16 | 3M Innovative Properties Company | High speed multi-touch touch device and controller therefor |
US9454256B2 (en) | 2008-03-14 | 2016-09-27 | Apple Inc. | Sensor configurations of an input device that are switchable based on mode |
US9654104B2 (en) | 2007-07-17 | 2017-05-16 | Apple Inc. | Resistive force sensor with capacitive discrimination |
US9753586B2 (en) | 2009-10-08 | 2017-09-05 | 3M Innovative Properties Company | Multi-touch touch device with multiple drive frequencies and maximum likelihood estimation |
US9823785B2 (en) | 2010-09-09 | 2017-11-21 | 3M Innovative Properties Company | Touch sensitive device with stylus support |
US10019119B2 (en) | 2010-09-09 | 2018-07-10 | 3M Innovative Properties Company | Touch sensitive device with stylus support |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2522918A1 (fr) * | 1982-03-03 | 1983-09-09 | Lewiner Jacques | Perfectionnements aux claviers capacitifs |
DE3301821A1 (de) * | 1983-01-20 | 1984-07-26 | Siemens AG, 1000 Berlin und 8000 München | Einrichtung zum erkennen aktivierter sensoren |
DE3532201A1 (de) * | 1985-09-10 | 1987-03-19 | Apeg Ingenieurbuero Gmbh | Elektronisches tastenfeld |
DE3602467A1 (de) * | 1986-01-28 | 1987-07-30 | Schwab Technologieberatung | Verfahren zum feststellen der identitaet und stellung von gegenstaenden |
DE102008023812A1 (de) * | 2008-05-15 | 2009-11-19 | Hella Kgaa Hueck & Co. | Kapazitiver Näherungssensor |
-
1980
- 1980-02-12 JP JP1568280A patent/JPS56114028A/ja active Pending
-
1981
- 1981-02-11 GB GB8104170A patent/GB2072389A/en not_active Withdrawn
- 1981-02-12 DE DE19813105103 patent/DE3105103A1/de not_active Withdrawn
- 1981-02-12 FR FR8102766A patent/FR2475760A1/fr active Granted
Cited By (70)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2133139A (en) * | 1982-12-29 | 1984-07-18 | Western Electric Co | Touch sensitive device |
US4758830A (en) * | 1984-10-25 | 1988-07-19 | Ti Corporate Services Limited | Switch/display units |
USRE46548E1 (en) | 1997-10-28 | 2017-09-12 | Apple Inc. | Portable computers |
USRE44855E1 (en) | 1997-10-28 | 2014-04-22 | Apple Inc. | Multi-functional cellular telephone |
USRE44103E1 (en) | 1997-10-28 | 2013-03-26 | Apple Inc. | Portable computers |
USRE45559E1 (en) | 1997-10-28 | 2015-06-09 | Apple Inc. | Portable computers |
USRE42738E1 (en) | 1997-10-28 | 2011-09-27 | Apple Inc. | Portable computers |
US9009626B2 (en) | 2001-10-22 | 2015-04-14 | Apple Inc. | Method and apparatus for accelerated scrolling |
US7710393B2 (en) | 2001-10-22 | 2010-05-04 | Apple Inc. | Method and apparatus for accelerated scrolling |
US9977518B2 (en) | 2001-10-22 | 2018-05-22 | Apple Inc. | Scrolling based on rotational movement |
US8952886B2 (en) | 2001-10-22 | 2015-02-10 | Apple Inc. | Method and apparatus for accelerated scrolling |
US7710394B2 (en) | 2001-10-22 | 2010-05-04 | Apple Inc. | Method and apparatus for use of rotational user inputs |
US7710409B2 (en) | 2001-10-22 | 2010-05-04 | Apple Inc. | Method and apparatus for use of rotational user inputs |
US8446370B2 (en) | 2002-02-25 | 2013-05-21 | Apple Inc. | Touch pad for handheld device |
US10353565B2 (en) | 2002-02-25 | 2019-07-16 | Apple Inc. | Input apparatus and button arrangement for handheld device |
US8749493B2 (en) | 2003-08-18 | 2014-06-10 | Apple Inc. | Movable touch pad with added functionality |
US8552990B2 (en) | 2003-11-25 | 2013-10-08 | Apple Inc. | Touch pad for handheld device |
US8933890B2 (en) | 2003-11-25 | 2015-01-13 | Apple Inc. | Techniques for interactive input to portable electronic devices |
US7932897B2 (en) | 2004-08-16 | 2011-04-26 | Apple Inc. | Method of increasing the spatial resolution of touch sensitive devices |
US7671837B2 (en) | 2005-09-06 | 2010-03-02 | Apple Inc. | Scrolling input arrangements using capacitive sensors on a flexible membrane |
US7880729B2 (en) | 2005-10-11 | 2011-02-01 | Apple Inc. | Center button isolation ring |
US9348477B2 (en) | 2005-11-15 | 2016-05-24 | Synaptics Incorporated | Methods and systems for detecting a position-based attribute of an object using digital codes |
US9696863B2 (en) | 2005-11-15 | 2017-07-04 | Synaptics Incorporated | Methods and systems for detecting a position-based attribute of an object using digital codes |
US8537132B2 (en) | 2005-12-30 | 2013-09-17 | Apple Inc. | Illuminated touchpad |
US9367151B2 (en) | 2005-12-30 | 2016-06-14 | Apple Inc. | Touch pad with symbols based on mode |
US8059099B2 (en) | 2006-06-02 | 2011-11-15 | Apple Inc. | Techniques for interactive input to portable electronic devices |
US9360967B2 (en) | 2006-07-06 | 2016-06-07 | Apple Inc. | Mutual capacitance touch sensing device |
WO2008010917A1 (en) * | 2006-07-06 | 2008-01-24 | Apple Inc. | Mutual capacitance touch sensing device |
US10890953B2 (en) | 2006-07-06 | 2021-01-12 | Apple Inc. | Capacitance sensing electrode with integrated I/O mechanism |
US10139870B2 (en) | 2006-07-06 | 2018-11-27 | Apple Inc. | Capacitance sensing electrode with integrated I/O mechanism |
US9405421B2 (en) | 2006-07-06 | 2016-08-02 | Apple Inc. | Mutual capacitance touch sensing device |
US10359813B2 (en) | 2006-07-06 | 2019-07-23 | Apple Inc. | Capacitance sensing electrode with integrated I/O mechanism |
US8514185B2 (en) | 2006-07-06 | 2013-08-20 | Apple Inc. | Mutual capacitance touch sensing device |
US8022935B2 (en) | 2006-07-06 | 2011-09-20 | Apple Inc. | Capacitance sensing electrode with integrated I/O mechanism |
US8743060B2 (en) | 2006-07-06 | 2014-06-03 | Apple Inc. | Mutual capacitance touch sensing device |
US8044314B2 (en) | 2006-09-11 | 2011-10-25 | Apple Inc. | Hybrid button |
US7795553B2 (en) | 2006-09-11 | 2010-09-14 | Apple Inc. | Hybrid button |
US10180732B2 (en) | 2006-10-11 | 2019-01-15 | Apple Inc. | Gimballed scroll wheel |
US8274479B2 (en) | 2006-10-11 | 2012-09-25 | Apple Inc. | Gimballed scroll wheel |
US8482530B2 (en) | 2006-11-13 | 2013-07-09 | Apple Inc. | Method of capacitively sensing finger position |
US9654104B2 (en) | 2007-07-17 | 2017-05-16 | Apple Inc. | Resistive force sensor with capacitive discrimination |
US8330061B2 (en) | 2007-09-04 | 2012-12-11 | Apple Inc. | Compact input device |
US8683378B2 (en) | 2007-09-04 | 2014-03-25 | Apple Inc. | Scrolling techniques for user interfaces |
US10866718B2 (en) | 2007-09-04 | 2020-12-15 | Apple Inc. | Scrolling techniques for user interfaces |
US7910843B2 (en) | 2007-09-04 | 2011-03-22 | Apple Inc. | Compact input device |
US8416198B2 (en) | 2007-12-03 | 2013-04-09 | Apple Inc. | Multi-dimensional scroll wheel |
US8866780B2 (en) | 2007-12-03 | 2014-10-21 | Apple Inc. | Multi-dimensional scroll wheel |
US8125461B2 (en) | 2008-01-11 | 2012-02-28 | Apple Inc. | Dynamic input graphic display |
US8820133B2 (en) | 2008-02-01 | 2014-09-02 | Apple Inc. | Co-extruded materials and methods |
US9454256B2 (en) | 2008-03-14 | 2016-09-27 | Apple Inc. | Sensor configurations of an input device that are switchable based on mode |
US8363031B2 (en) | 2008-09-24 | 2013-01-29 | 3M Innovative Properties Company | Mutual capacitance measuring circuits and methods |
US8816967B2 (en) | 2008-09-25 | 2014-08-26 | Apple Inc. | Capacitive sensor having electrodes arranged on the substrate and the flex circuit |
US8395590B2 (en) | 2008-12-17 | 2013-03-12 | Apple Inc. | Integrated contact switch and touch sensor elements |
US9354751B2 (en) | 2009-05-15 | 2016-05-31 | Apple Inc. | Input device with optimized capacitive sensing |
US9417739B2 (en) | 2009-05-29 | 2016-08-16 | 3M Innovative Properties Company | High speed multi-touch touch device and controller therefor |
US8872771B2 (en) | 2009-07-07 | 2014-10-28 | Apple Inc. | Touch sensing device having conductive nodes |
US9753586B2 (en) | 2009-10-08 | 2017-09-05 | 3M Innovative Properties Company | Multi-touch touch device with multiple drive frequencies and maximum likelihood estimation |
US8933705B2 (en) | 2009-11-11 | 2015-01-13 | Microchip Technology Germany Gmbh Ii & Co. Kg | Sensor electronics for a plurality of sensor elements and method for determining a position of an object at the sensor elements |
WO2011058116A1 (en) * | 2009-11-11 | 2011-05-19 | Ident Technology Ab | Sensor electronics for a plurality of sensor elements and method for determining a position of an object at the sensor elements |
US8773366B2 (en) | 2009-11-16 | 2014-07-08 | 3M Innovative Properties Company | Touch sensitive device using threshold voltage signal |
US8411066B2 (en) | 2010-01-05 | 2013-04-02 | 3M Innovative Properties Company | High speed noise tolerant multi-touch touch device and controller therefor |
US8493358B2 (en) | 2010-05-25 | 2013-07-23 | 3M Innovative Properties Company | High speed low power multi-touch touch device and controller therefor |
US9389724B2 (en) | 2010-09-09 | 2016-07-12 | 3M Innovative Properties Company | Touch sensitive device with stylus support |
US9823785B2 (en) | 2010-09-09 | 2017-11-21 | 3M Innovative Properties Company | Touch sensitive device with stylus support |
US10019119B2 (en) | 2010-09-09 | 2018-07-10 | 3M Innovative Properties Company | Touch sensitive device with stylus support |
US9513321B2 (en) | 2010-12-29 | 2016-12-06 | Robert Bosch Gmbh | Sensor system for monitoring surroundings on a mechanical component, and method for actuating and evaluating the sensor system |
EP2659233B1 (de) * | 2010-12-29 | 2015-10-21 | Robert Bosch GmbH | Sensorsystem zur umfeldüberwachung an einem mechanischen bauteil und verfahren zur ansteuerung und auswertung des sensorsystems |
EP2659233A1 (de) * | 2010-12-29 | 2013-11-06 | Robert Bosch GmbH | Sensorsystem zur umfeldüberwachung an einem mechanischen bauteil und verfahren zur ansteuerung und auswertung des sensorsystems |
CN103261844A (zh) * | 2010-12-29 | 2013-08-21 | 罗伯特·博世有限公司 | 对机械部件进行周围环境监控的传感器系统及激励和分析传感器系统的方法 |
US8890841B2 (en) | 2013-03-13 | 2014-11-18 | 3M Innovative Properties Company | Capacitive-based touch apparatus and method therefor, with reduced interference |
Also Published As
Publication number | Publication date |
---|---|
FR2475760A1 (fr) | 1981-08-14 |
JPS56114028A (en) | 1981-09-08 |
FR2475760B3 (US20100223739A1-20100909-C00005.png) | 1982-11-19 |
DE3105103A1 (de) | 1982-01-14 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB2072389A (en) | Capacitive key input unit and method of operating same | |
US5381160A (en) | See-through digitizer with clear conductive grid | |
US10664153B2 (en) | Device and system for retrieving and displaying handwritten annotations | |
US5847690A (en) | Integrated liquid crystal display and digitizer having a black matrix layer adapted for sensing screen touch location | |
US8421755B2 (en) | Capacitive touch sensor with integral EL backlight | |
EP0680007B1 (en) | A capacitive touch screen shield | |
US6512512B1 (en) | Touch panel with improved optical performance | |
US7348966B2 (en) | Digital resistive-type touch panel | |
US7764273B2 (en) | Touch panel for mounting on a display panel | |
US11086462B2 (en) | Touch screen panel | |
CN103680385A (zh) | 触控电路及其驱动方法、阵列基板、触控显示装置 | |
CN102279662A (zh) | 触控显示面板及彩色滤光触控基板 | |
US11809671B2 (en) | Pressure-sensitive writing board and pressure-sensitive writing device | |
GB2070342A (en) | Piezoelectric key-board units | |
CN206209685U (zh) | 一种触摸显示屏及显示装置 | |
TW484027B (en) | Touch panel and liquid crystal display device using the same | |
US8242998B2 (en) | Liquid crystal display with infrared detection layer and remote control display system with same | |
US3697687A (en) | Encoding device | |
CN204695269U (zh) | 内嵌式触摸显示屏及触摸显示屏模组 | |
US7235340B2 (en) | Method of producing a touch panel | |
US20040085343A1 (en) | Large area storage display | |
CN219303004U (zh) | 触控显示模组、显示设备和触控显示系统 | |
JP2012181563A (ja) | 座標入力装置とそれを備えた表示装置及び電子機器 | |
JPS6143332A (ja) | 信号入力用シ−ト | |
JP2679278B2 (ja) | 座標入力装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |