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GB1486988A - Touch pad position resolvers - Google Patents

Touch pad position resolvers

Info

Publication number
GB1486988A
GB1486988AGB15376/75AGB1537675AGB1486988AGB 1486988 AGB1486988 AGB 1486988AGB 15376/75 AGB15376/75 AGB 15376/75AGB 1537675 AGB1537675 AGB 1537675AGB 1486988 AGB1486988 AGB 1486988A
Authority
GB
United Kingdom
Prior art keywords
conductors
amplifiers
touch pad
pad position
pairs
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
Application number
GB15376/75A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BAE Systems Electronics Ltd
Original Assignee
Marconi Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Marconi Co LtdfiledCriticalMarconi Co Ltd
Priority to GB15376/75ApriorityCriticalpatent/GB1486988A/en
Publication of GB1486988ApublicationCriticalpatent/GB1486988A/en
Expiredlegal-statusCriticalCurrent

Links

Classifications

Landscapes

Abstract

1486988 Touch responsive switches MARCONI CO Ltd 27 Feb 1976 [15 April 1975] 15376/75 Heading G1N [Also in Division G4] A touch pad position resolver arrangement comprises a sheet of electrically polarized transparent plastics material having a first array of pairs of conductors 2A, 2B on one face in crossing relationship with a second array of pairs of conductors 3A, 3B on its opposite face. The conductors feed differential amplifiers 5, 7 as shown in the drawing. When a cross-point is pressed, a signal is obtained from one of amplifiers 5 and one of amplifiers 7. The arrangement can be overlaid on displays such as maps, indicating panels and CRTs.
GB15376/75A1976-02-271976-02-27Touch pad position resolversExpiredGB1486988A (en)

Priority Applications (1)

Application NumberPriority DateFiling DateTitle
GB15376/75AGB1486988A (en)1976-02-271976-02-27Touch pad position resolvers

Applications Claiming Priority (1)

Application NumberPriority DateFiling DateTitle
GB15376/75AGB1486988A (en)1976-02-271976-02-27Touch pad position resolvers

Publications (1)

Publication NumberPublication Date
GB1486988Atrue GB1486988A (en)1977-09-28

Family

ID=10058078

Family Applications (1)

Application NumberTitlePriority DateFiling Date
GB15376/75AExpiredGB1486988A (en)1976-02-271976-02-27Touch pad position resolvers

Country Status (1)

CountryLink
GB (1)GB1486988A (en)

Cited By (14)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
FR2472779A1 (en)*1979-12-271981-07-03Kureha Chemical Ind Co Ltd KEYBOARD DATA INTRODUCTION DEVICE
US4549093A (en)*1982-09-291985-10-22Emi LimitedTactile array sensor
GB2168816A (en)*1984-12-191986-06-25Philips Electronic AssociatedTouch-sensitive position sensor apparatus
GB2182179A (en)*1985-10-241987-05-07Wah ShingWhole-character keyboard
WO2008007372A3 (en)*2006-07-122008-07-10N trig ltdHover and touch detection for a digitizer
US8059102B2 (en)2006-06-132011-11-15N-Trig Ltd.Fingertip touch recognition for a digitizer
US8125463B2 (en)2004-05-062012-02-28Apple Inc.Multipoint touchscreen
US8432371B2 (en)2006-06-092013-04-30Apple Inc.Touch screen liquid crystal display
US8493330B2 (en)2007-01-032013-07-23Apple Inc.Individual channel phase delay scheme
US8552989B2 (en)2006-06-092013-10-08Apple Inc.Integrated display and touch screen
US8654083B2 (en)2006-06-092014-02-18Apple Inc.Touch screen liquid crystal display
US8686964B2 (en)2006-07-132014-04-01N-Trig Ltd.User specific recognition of intended user interaction with a digitizer
US8743300B2 (en)2010-12-222014-06-03Apple Inc.Integrated touch screens
US9710095B2 (en)2007-01-052017-07-18Apple Inc.Touch screen stack-ups

Cited By (41)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
FR2472779A1 (en)*1979-12-271981-07-03Kureha Chemical Ind Co Ltd KEYBOARD DATA INTRODUCTION DEVICE
US4549093A (en)*1982-09-291985-10-22Emi LimitedTactile array sensor
GB2168816A (en)*1984-12-191986-06-25Philips Electronic AssociatedTouch-sensitive position sensor apparatus
GB2182179A (en)*1985-10-241987-05-07Wah ShingWhole-character keyboard
US8125463B2 (en)2004-05-062012-02-28Apple Inc.Multipoint touchscreen
US10331259B2 (en)2004-05-062019-06-25Apple Inc.Multipoint touchscreen
US11604547B2 (en)2004-05-062023-03-14Apple Inc.Multipoint touchscreen
US8416209B2 (en)2004-05-062013-04-09Apple Inc.Multipoint touchscreen
US9454277B2 (en)2004-05-062016-09-27Apple Inc.Multipoint touchscreen
US9035907B2 (en)2004-05-062015-05-19Apple Inc.Multipoint touchscreen
US10908729B2 (en)2004-05-062021-02-02Apple Inc.Multipoint touchscreen
US8982087B2 (en)2004-05-062015-03-17Apple Inc.Multipoint touchscreen
US8605051B2 (en)2004-05-062013-12-10Apple Inc.Multipoint touchscreen
US8928618B2 (en)2004-05-062015-01-06Apple Inc.Multipoint touchscreen
US8872785B2 (en)2004-05-062014-10-28Apple Inc.Multipoint touchscreen
US8432371B2 (en)2006-06-092013-04-30Apple Inc.Touch screen liquid crystal display
US9575610B2 (en)2006-06-092017-02-21Apple Inc.Touch screen liquid crystal display
US10191576B2 (en)2006-06-092019-01-29Apple Inc.Touch screen liquid crystal display
US8654083B2 (en)2006-06-092014-02-18Apple Inc.Touch screen liquid crystal display
US8552989B2 (en)2006-06-092013-10-08Apple Inc.Integrated display and touch screen
US10976846B2 (en)2006-06-092021-04-13Apple Inc.Touch screen liquid crystal display
US8451244B2 (en)2006-06-092013-05-28Apple Inc.Segmented Vcom
US11886651B2 (en)2006-06-092024-01-30Apple Inc.Touch screen liquid crystal display
US11175762B2 (en)2006-06-092021-11-16Apple Inc.Touch screen liquid crystal display
US9244561B2 (en)2006-06-092016-01-26Apple Inc.Touch screen liquid crystal display
US9268429B2 (en)2006-06-092016-02-23Apple Inc.Integrated display and touch screen
US8059102B2 (en)2006-06-132011-11-15N-Trig Ltd.Fingertip touch recognition for a digitizer
US9535598B2 (en)2006-07-122017-01-03Microsoft Technology Licensing, LlcHover and touch detection for a digitizer
US9069417B2 (en)2006-07-122015-06-30N-Trig Ltd.Hover and touch detection for digitizer
US10031621B2 (en)2006-07-122018-07-24Microsoft Technology Licensing, LlcHover and touch detection for a digitizer
WO2008007372A3 (en)*2006-07-122008-07-10N trig ltdHover and touch detection for a digitizer
US8686964B2 (en)2006-07-132014-04-01N-Trig Ltd.User specific recognition of intended user interaction with a digitizer
US8493330B2 (en)2007-01-032013-07-23Apple Inc.Individual channel phase delay scheme
US10521065B2 (en)2007-01-052019-12-31Apple Inc.Touch screen stack-ups
US9710095B2 (en)2007-01-052017-07-18Apple Inc.Touch screen stack-ups
US9025090B2 (en)2010-12-222015-05-05Apple Inc.Integrated touch screens
US10409434B2 (en)2010-12-222019-09-10Apple Inc.Integrated touch screens
US9727193B2 (en)2010-12-222017-08-08Apple Inc.Integrated touch screens
US9146414B2 (en)2010-12-222015-09-29Apple Inc.Integrated touch screens
US8804056B2 (en)2010-12-222014-08-12Apple Inc.Integrated touch screens
US8743300B2 (en)2010-12-222014-06-03Apple Inc.Integrated touch screens

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Legal Events

DateCodeTitleDescription
PSPatent sealed
PCNPPatent ceased through non-payment of renewal fee
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