GB8700849D0 - Keypads - Google Patents

Keypads

Info

Publication number
GB8700849D0
GB8700849D0 GB878700849A GB8700849A GB8700849D0 GB 8700849 D0 GB8700849 D0 GB 8700849D0 GB 878700849 A GB878700849 A GB 878700849A GB 8700849 A GB8700849 A GB 8700849A GB 8700849 D0 GB8700849 D0 GB 8700849D0
Authority
GB
United Kingdom
Prior art keywords
keypads
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.)
Pending
Application number
GB878700849A
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.)
Bindstead R P
Original Assignee
Bindstead R P
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 Bindstead R P filed Critical Bindstead R P
Priority to GB878700849A priority Critical patent/GB8700849D0/en
Publication of GB8700849D0 publication Critical patent/GB8700849D0/en
Priority to PCT/GB1988/000021 priority patent/WO1988005577A1/en
Priority to AU11053/88A priority patent/AU1105388A/en
Priority to GB8915931A priority patent/GB2223986A/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • G06F3/0443—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using a single layer of sensing electrodes
    • 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
    • H03K17/96—Touch switches
    • H03K17/962—Capacitive touch switches
    • H03K17/9622—Capacitive touch switches using a plurality of detectors, e.g. keyboard
    • 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
    • H03K17/96—Touch switches
    • H03K2017/9602—Touch switches characterised by the type or shape of the sensing electrodes
    • H03K2017/9604—Touch switches characterised by the type or shape of the sensing electrodes characterised by the number of electrodes
    • H03K2017/9606—Touch switches characterised by the type or shape of the sensing electrodes characterised by the number of electrodes using one electrode only per touch switch
GB878700849A 1987-01-15 1987-01-15 Keypads Pending GB8700849D0 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB878700849A GB8700849D0 (en) 1987-01-15 1987-01-15 Keypads
PCT/GB1988/000021 WO1988005577A1 (en) 1987-01-15 1988-01-14 Improvements in or relating to touch keypad systems
AU11053/88A AU1105388A (en) 1987-01-15 1988-01-14 Improvements in or relating to touch keypad systems
GB8915931A GB2223986A (en) 1987-01-15 1989-07-12 Improvements in or relating to touch keypad systems

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB878700849A GB8700849D0 (en) 1987-01-15 1987-01-15 Keypads

Publications (1)

Publication Number Publication Date
GB8700849D0 true GB8700849D0 (en) 1987-02-18

Family

ID=10610712

Family Applications (2)

Application Number Title Priority Date Filing Date
GB878700849A Pending GB8700849D0 (en) 1987-01-15 1987-01-15 Keypads
GB8915931A Withdrawn GB2223986A (en) 1987-01-15 1989-07-12 Improvements in or relating to touch keypad systems

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB8915931A Withdrawn GB2223986A (en) 1987-01-15 1989-07-12 Improvements in or relating to touch keypad systems

Country Status (3)

Country Link
AU (1) AU1105388A (en)
GB (2) GB8700849D0 (en)
WO (1) WO1988005577A1 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9000624D0 (en) * 1990-01-11 1990-03-14 Varitronix Ltd Touch sensing device
US6133906A (en) * 1993-03-15 2000-10-17 Microtouch Systems, Inc. Display-integrated stylus detection system
DE4312672A1 (en) * 1993-04-19 1994-10-20 Ulrich Prof Dr Ing Kuipers Apparatus and method for a contactless mouse-compatible PC pointer input device
US5466895A (en) * 1994-01-07 1995-11-14 Microtouch Systems, Inc. Wear resistant improved tablet for a digitizer
US6297811B1 (en) 1999-06-02 2001-10-02 Elo Touchsystems, Inc. Projective capacitive touchscreen
US6492979B1 (en) 1999-09-07 2002-12-10 Elo Touchsystems, Inc. Dual sensor touchscreen utilizing projective-capacitive and force touch sensors
US6504530B1 (en) 1999-09-07 2003-01-07 Elo Touchsystems, Inc. Touch confirming touchscreen utilizing plural touch sensors
US7030860B1 (en) 1999-10-08 2006-04-18 Synaptics Incorporated Flexible transparent touch sensing system for electronic devices
US8279194B2 (en) 2009-05-22 2012-10-02 Elo Touch Solutions, Inc. Electrode configurations for projected capacitive touch screen
US8477106B2 (en) 2009-07-29 2013-07-02 Elo Touch Solutions, Inc. System and method for a projected capacitive touchscreen having weight based coordinate determination

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4186392A (en) * 1978-07-28 1980-01-29 Burroughs Corporation Touch panel and operating system
US4205418A (en) * 1978-07-28 1980-06-03 Burroughs Corporation Method of making a curved electrode plate
US4290052A (en) * 1979-10-26 1981-09-15 General Electric Company Capacitive touch entry apparatus having high degree of personal safety
US4561002A (en) * 1982-08-30 1985-12-24 General Electric Company Capacitive touch switch arrangement
DE3479276D1 (en) * 1983-12-27 1989-09-07 Integrated Touch Arrays Inc Capacitance-variation-sensitive touch sensing array system
EP0203923B1 (en) * 1984-02-16 1991-09-11 ANTIKIDIS, Jean-Pierre Method for scanning a keyboard with capacitive keys and keyboard provided with means for scanning a keyboard according to this method
GB2156993A (en) * 1984-03-31 1985-10-16 Glaverbel Proximity control switches
GB8409877D0 (en) * 1984-04-17 1984-05-31 Binstead Ronald Peter Capacitance effect keyboard
DE8627673U1 (en) * 1986-10-16 1987-04-09 Av Schaulandt Gmbh, 2000 Hamburg, De

Also Published As

Publication number Publication date
WO1988005577A1 (en) 1988-07-28
GB8915931D0 (en) 1989-09-20
GB2223986A (en) 1990-04-25
AU1105388A (en) 1988-08-10

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