GB2070342A - Piezoelectric key-board units - Google Patents

Piezoelectric key-board units Download PDF

Info

Publication number
GB2070342A
GB2070342A GB8040381A GB8040381A GB2070342A GB 2070342 A GB2070342 A GB 2070342A GB 8040381 A GB8040381 A GB 8040381A GB 8040381 A GB8040381 A GB 8040381A GB 2070342 A GB2070342 A GB 2070342A
Authority
GB
United Kingdom
Prior art keywords
input unit
key input
electrode
key
unit according
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Withdrawn
Application number
GB8040381A
Other languages
English (en)
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.)
Kureha Corp
Original Assignee
Kureha Corp
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 Kureha Corp filed Critical Kureha Corp
Publication of GB2070342A publication Critical patent/GB2070342A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03KPULSE TECHNIQUE
    • H03K17/00Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
    • H03K17/96Touch switches
    • H03K17/964Piezoelectric touch switches
    • H03K17/9643Piezoelectric touch switches using a plurality of detectors, e.g. keyboard

Landscapes

  • Push-Button Switches (AREA)
GB8040381A 1979-12-27 1980-12-17 Piezoelectric key-board units Withdrawn GB2070342A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16943079A JPS5692634A (en) 1979-12-27 1979-12-27 Input device for transparent piezoelectric coordinate

Publications (1)

Publication Number Publication Date
GB2070342A true GB2070342A (en) 1981-09-03

Family

ID=15886443

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8040381A Withdrawn GB2070342A (en) 1979-12-27 1980-12-17 Piezoelectric key-board units

Country Status (4)

Country Link
JP (1) JPS5692634A (enExample)
DE (1) DE3048719A1 (enExample)
FR (1) FR2472779A1 (enExample)
GB (1) GB2070342A (enExample)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4495434A (en) * 1982-09-29 1985-01-22 Siemens Aktiengesellschaft Pressure-sensitive transducer using piezo ceramic material
US4521712A (en) * 1983-11-25 1985-06-04 United Technologies Automotive, Inc. Pressure sensitive piezoelectric signal generator assembly
EP2101111A1 (de) * 2008-03-07 2009-09-16 BSH Bosch und Siemens Hausgeräte GmbH Bedieneinrichtung für ein Hausgerät
CN103472926A (zh) * 2013-10-10 2013-12-25 昆山攀特电陶科技有限公司 柔性压电键盘及其制作方法

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4516112A (en) * 1982-02-22 1985-05-07 Eaton Corporation Transparent touch switching system
JPS60160432A (ja) * 1984-02-01 1985-08-22 Daicel Chem Ind Ltd 透明タツチ入力パネル
US4633123A (en) * 1985-05-29 1986-12-30 Pennwalt Corporation Piezoelectric polymer keyboard apparatus
JPS62177616A (ja) * 1986-01-31 1987-08-04 Nitsuko Corp デイジタイザ
DE3715871A1 (de) * 1987-05-08 1988-11-17 Thomas Peisler Schaltungsanordnung
JPH01130215A (ja) * 1987-11-02 1989-05-23 Ind Technol Res Inst デイジタルコンピユータ書込みボード
DE3907671A1 (de) * 1989-03-09 1990-09-13 Stefan Weller Verfahren, passive displays fuer beruehrung adressierbar zu machen, mit der moeglichkeit zur steuerung angezeigter oder sonst festgelegter bedienungsfunktionen oder parameter auf deren oberflaeche
JP4927159B2 (ja) * 2007-03-01 2012-05-09 シャープ株式会社 表示パネル用基板、表示パネル、表示装置、および表示パネル用基板の製造方法
JP7366766B2 (ja) * 2020-01-21 2023-10-23 株式会社ジャパンディスプレイ フレキシブル基板

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1026237A (en) * 1973-09-17 1978-02-14 Kureha Kagaku Kogyo Kabushiki Kaisha Key board switch
JPS51129129A (en) * 1975-05-02 1976-11-10 Kureha Chem Ind Co Ltd Matrix switch
GB1486988A (en) * 1976-02-27 1977-09-28 Marconi Co Ltd Touch pad position resolvers

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4495434A (en) * 1982-09-29 1985-01-22 Siemens Aktiengesellschaft Pressure-sensitive transducer using piezo ceramic material
US4521712A (en) * 1983-11-25 1985-06-04 United Technologies Automotive, Inc. Pressure sensitive piezoelectric signal generator assembly
EP2101111A1 (de) * 2008-03-07 2009-09-16 BSH Bosch und Siemens Hausgeräte GmbH Bedieneinrichtung für ein Hausgerät
CN103472926A (zh) * 2013-10-10 2013-12-25 昆山攀特电陶科技有限公司 柔性压电键盘及其制作方法

Also Published As

Publication number Publication date
DE3048719A1 (de) 1981-09-17
FR2472779B1 (enExample) 1984-08-24
FR2472779A1 (fr) 1981-07-03
JPS5692634A (en) 1981-07-27

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)