NL7604465A - Matrix-schakelaar. - Google Patents

Matrix-schakelaar.

Info

Publication number
NL7604465A
NL7604465A NL7604465A NL7604465A NL7604465A NL 7604465 A NL7604465 A NL 7604465A NL 7604465 A NL7604465 A NL 7604465A NL 7604465 A NL7604465 A NL 7604465A NL 7604465 A NL7604465 A NL 7604465A
Authority
NL
Netherlands
Prior art keywords
matrix switch
matrix
switch
Prior art date
Application number
NL7604465A
Other languages
English (en)
Other versions
NL165348C (nl
NL165348B (nl
Original Assignee
Kureha Chemical Ind 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 Kureha Chemical Ind Co Ltd filed Critical Kureha Chemical Ind Co Ltd
Publication of NL7604465A publication Critical patent/NL7604465A/nl
Publication of NL165348B publication Critical patent/NL165348B/nl
Application granted granted Critical
Publication of NL165348C publication Critical patent/NL165348C/nl

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
NL7604465.A 1975-05-02 1976-04-27 Piezo-elektrische matrix-schakelaar. NL165348C (nl)

Applications Claiming Priority (1)

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

Publications (3)

Publication Number Publication Date
NL7604465A true NL7604465A (nl) 1976-11-04
NL165348B NL165348B (nl) 1980-10-15
NL165348C NL165348C (nl) 1981-03-16

Family

ID=12950850

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7604465.A NL165348C (nl) 1975-05-02 1976-04-27 Piezo-elektrische matrix-schakelaar.

Country Status (7)

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

Families Citing this family (20)

* 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
EP1540819A1 (en) * 2002-09-12 2005-06-15 Philips Intellectual Property & Standards GmbH Bulk acoustic waver resonator with means for suppression of pass-band ripple in bulk acoustic wave filters
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

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 (nl) * 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
DE2619339A1 (de) 1976-11-04
FR2309988B1 (nl) 1979-01-19
US4071785A (en) 1978-01-31
GB1550691A (en) 1979-08-15
JPS5423766B2 (nl) 1979-08-16
CA1057202A (en) 1979-06-26
NL165348C (nl) 1981-03-16
JPS51129129A (en) 1976-11-10
NL165348B (nl) 1980-10-15
DE2619339B2 (de) 1978-03-16
FR2309988A1 (fr) 1976-11-26
DE2619339C3 (de) 1978-11-02

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Legal Events

Date Code Title Description
V1 Lapsed because of non-payment of the annual fee