CA1057202A - Matrix switch having piezoelectric characteristics - Google Patents

Matrix switch having piezoelectric characteristics

Info

Publication number
CA1057202A
CA1057202A CA251,533A CA251533A CA1057202A CA 1057202 A CA1057202 A CA 1057202A CA 251533 A CA251533 A CA 251533A CA 1057202 A CA1057202 A CA 1057202A
Authority
CA
Canada
Prior art keywords
electrodes
operating
lamination
piezoelectric
film
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
CA251,533A
Other languages
English (en)
French (fr)
Inventor
Masafumi Yoshida
Hiroshi Obara
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
Application granted granted Critical
Publication of CA1057202A publication Critical patent/CA1057202A/en
Expired legal-status Critical Current

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
    • 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
    • H03K17/964—Piezoelectric touch switches
    • H03K17/9643—Piezoelectric touch switches using a plurality of detectors, e.g. keyboard
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S310/00—Electrical generator or motor structure
    • Y10S310/80—Piezoelectric polymers, e.g. PVDF

Landscapes

  • Push-Button Switches (AREA)
  • Input From Keyboards Or The Like (AREA)
CA251,533A 1975-05-02 1976-04-30 Matrix switch having piezoelectric characteristics Expired CA1057202A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50053727A JPS51129129A (en) 1975-05-02 1975-05-02 Matrix switch

Publications (1)

Publication Number Publication Date
CA1057202A true CA1057202A (en) 1979-06-26

Family

ID=12950850

Family Applications (1)

Application Number Title Priority Date Filing Date
CA251,533A Expired CA1057202A (en) 1975-05-02 1976-04-30 Matrix switch having piezoelectric characteristics

Country Status (7)

Country Link
US (1) US4071785A (en:Method)
JP (1) JPS51129129A (en:Method)
CA (1) CA1057202A (en:Method)
DE (1) DE2619339C3 (en:Method)
FR (1) FR2309988A1 (en:Method)
GB (1) GB1550691A (en:Method)
NL (1) NL165348C (en:Method)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5228222A (en) * 1975-08-28 1977-03-03 Pioneer Electronic Corp Coordinate input unit
US4103252A (en) * 1976-11-26 1978-07-25 Xerox Corporation Capacitive touch-activated transducer system including a plurality of oscillators
GB1543089A (en) * 1976-12-02 1979-03-28 Marconi Co Ltd Pressure sensitive generator
AT375466B (de) * 1977-07-27 1984-08-10 List Hans Messwertaufnehmer mit einem piezoelektrischen messelement
JPS5569915A (en) * 1978-11-20 1980-05-27 Nippon Telegraph & Telephone Piezooelectric keyboard
JPS5692634A (en) * 1979-12-27 1981-07-27 Kureha Chem Ind Co Ltd Input device for transparent piezoelectric coordinate
US4491760A (en) * 1981-10-16 1985-01-01 Stanford University Force sensing polymer piezoelectric transducer array
US4469976A (en) * 1982-07-06 1984-09-04 The United States Of America As Represented By The Secretary Of The Navy Single-side connected transducer
JPS5943356A (ja) * 1982-09-06 1984-03-10 Kureha Chem Ind Co Ltd 超音波探触子
US4634917A (en) * 1984-12-26 1987-01-06 Battelle Memorial Institute Active multi-layer piezoelectric tactile sensor apparatus and method
JPS61161446A (ja) * 1985-01-10 1986-07-22 Terumo Corp 超音波探触子およびその製造方法
US4633123A (en) * 1985-05-29 1986-12-30 Pennwalt Corporation Piezoelectric polymer keyboard apparatus
FR2603422B1 (fr) * 1986-08-27 1988-12-30 Inst Francais Du Petrole Procede pour realiser des capteurs piezo-electriques continus de sensibilite accrue et capteurs realises suivant le procede
US4975616A (en) * 1988-08-18 1990-12-04 Atochem North America, Inc. Piezoelectric transducer array
JP4362996B2 (ja) * 2001-08-22 2009-11-11 富士ゼロックス株式会社 格子状配列構造の圧電／電歪アクチュエータ及びその製造方法
KR100464316B1 (ko) * 2001-09-27 2005-01-03 삼성전자주식회사 고분자 필름을 이용한 포인팅 장치, 그 장치의 생산 방법,그 장치를 위한 포인팅 정보 검출 장치 및 방법
JP4541147B2 (ja) * 2002-09-12 2010-09-08 エヌエックスピー ビー ヴィ バルク弾性波フィルタにおける通過帯域リップルを抑制する手段を有するバルク弾性波共振器
US7580030B2 (en) * 2003-06-13 2009-08-25 Semtech Corporation Sensor for capacitive touch pad pointing device
US20100164324A1 (en) * 2007-07-23 2010-07-01 Board Of Regents, University Of Nevada, Reno Self-sensing dielectric actuator system
DE102019132356A1 (de) * 2019-11-28 2021-06-02 Tdk Electronics Ag Zweikanaliger Detektor
FR3153302A1 (fr) 2023-09-21 2025-03-28 Psa Automobiles Sa Face avant de véhicule automobile avec absorbeur de chocs pour armature en porte-à-faux

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3648279A (en) * 1970-05-14 1972-03-07 Rca Corp Multielectrode transducer element
JPS5410214B2 (en:Method) * 1973-10-15 1979-05-02
GB1420581A (en) * 1974-02-08 1976-01-07 Marconi Co Ltd Pressure sensitive devices

Also Published As

Publication number Publication date
DE2619339B2 (de) 1978-03-16
FR2309988A1 (fr) 1976-11-26
DE2619339C3 (de) 1978-11-02
NL7604465A (nl) 1976-11-04
DE2619339A1 (de) 1976-11-04
JPS5423766B2 (en:Method) 1979-08-16
GB1550691A (en) 1979-08-15
US4071785A (en) 1978-01-31
NL165348C (nl) 1981-03-16
FR2309988B1 (en:Method) 1979-01-19
NL165348B (nl) 1980-10-15
JPS51129129A (en) 1976-11-10

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