FR2381421A1 - Commutateur a commande par bouton-poussoir - Google Patents

Commutateur a commande par bouton-poussoir

Info

Publication number
FR2381421A1
FR2381421A1 FR7804237A FR7804237A FR2381421A1 FR 2381421 A1 FR2381421 A1 FR 2381421A1 FR 7804237 A FR7804237 A FR 7804237A FR 7804237 A FR7804237 A FR 7804237A FR 2381421 A1 FR2381421 A1 FR 2381421A1
Authority
FR
France
Prior art keywords
dome
button
push
button switch
electrodes
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Withdrawn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
FR7804237A
Other languages
English (en)
Inventor
William Donald Cragg
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric 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 International Standard Electric Corp filed Critical International Standard Electric Corp
Publication of FR2381421A1 publication Critical patent/FR2381421A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/23—Construction or mounting of dials or of equivalent devices; Means for facilitating the use thereof
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K2217/00—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00
    • H03K2217/94—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00 characterised by the way in which the control signal is generated
    • H03K2217/96—Touch switches
    • H03K2217/96015—Constructional details for touch switches
    • H03K2217/96027—Piezoelectric snap spring

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Push-Button Switches (AREA)
  • Switches Operated By Changes In Physical Conditions (AREA)
  • Input From Keyboards Or The Like (AREA)

Abstract

Commutateur électrique à bouton-poussoir utilisant une feuille de plastique piézo-électrique en forme de dôme, revêtue d'électrodes sur les deux faces, comme élément électrique. La tige du bouton est dans l'axe du dôme et, quand le bouton est enfoncé, le dôme est d'abord comprimé radialement 1 en s'opposant à la poussée du bouton, puis il franchit brutalement sa position d'équilibre en créant une impulsion entre ces électrodes. Une butée limitant la position extrême 2 du dôme permet un fonctionnement monostable. Application aux claviers de postes téléphoniques.
FR7804237A 1977-02-17 1978-02-15 Commutateur a commande par bouton-poussoir Withdrawn FR2381421A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB6689/77A GB1560426A (en) 1977-02-17 1977-02-17 Posh-button operated electrical switches

Publications (1)

Publication Number Publication Date
FR2381421A1 true FR2381421A1 (fr) 1978-09-15

Family

ID=9819016

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7804237A Withdrawn FR2381421A1 (fr) 1977-02-17 1978-02-15 Commutateur a commande par bouton-poussoir

Country Status (13)

Country Link
JP (1) JPS53121180A (fr)
AR (1) AR213349A1 (fr)
AU (1) AU3321278A (fr)
BR (1) BR7800837A (fr)
CA (1) CA1109974A (fr)
DE (1) DE2805332C3 (fr)
DK (1) DK68578A (fr)
ES (1) ES467076A1 (fr)
FR (1) FR2381421A1 (fr)
GB (1) GB1560426A (fr)
IT (1) IT1112615B (fr)
MX (1) MX144177A (fr)
NL (1) NL7801691A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2687036A1 (fr) * 1992-02-04 1993-08-06 Alcatel Business Systems Dispositif a commande manuelle devant assurer au moins deux fonctions differentes.

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2409654B1 (fr) * 1977-11-17 1985-10-04 Thomson Csf Dispositif transducteur piezoelectrique et son procede de fabrication
JPS5840805B2 (ja) * 1978-04-10 1983-09-08 東レ株式会社 座標入力用構造体
DE2915410C2 (de) * 1979-04-17 1981-06-19 Siemens AG, 1000 Berlin und 8000 München Drucktasteneinrichtung mit piezoelektrischem Wandler
DE2915456C2 (de) * 1979-04-17 1981-05-14 Siemens AG, 1000 Berlin und 8000 München Drucktasteneinrichtung mit piezoelektrischem Wandler
US5216316A (en) * 1989-12-18 1993-06-01 Ralph Ipcinski Piezo electric transducer
DE4231734A1 (de) * 1991-09-26 1993-04-01 Fuji Electric Co Ltd Piezoelektrische einrichtung
DE102004035444A1 (de) * 2004-07-22 2006-02-16 Volkswagen Ag Bedienelement für ein Kraftfahrzeug
JP6403059B2 (ja) * 2013-12-03 2018-10-10 学校法人東京理科大学 発電装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2244263A1 (fr) * 1973-09-17 1975-04-11 Kureha Chemical Ind Co Ltd
GB1399251A (en) * 1971-05-19 1975-07-02 Post Office Electrical signal generators
US3940637A (en) * 1973-10-15 1976-02-24 Toray Industries, Inc. Polymeric piezoelectric key actuated device

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4871929A (fr) * 1971-12-28 1973-09-28
JPS50151423A (fr) * 1974-05-24 1975-12-05

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1399251A (en) * 1971-05-19 1975-07-02 Post Office Electrical signal generators
FR2244263A1 (fr) * 1973-09-17 1975-04-11 Kureha Chemical Ind Co Ltd
US3940637A (en) * 1973-10-15 1976-02-24 Toray Industries, Inc. Polymeric piezoelectric key actuated device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2687036A1 (fr) * 1992-02-04 1993-08-06 Alcatel Business Systems Dispositif a commande manuelle devant assurer au moins deux fonctions differentes.

Also Published As

Publication number Publication date
DE2805332B2 (de) 1979-10-25
DE2805332C3 (de) 1980-07-10
DE2805332A1 (de) 1978-08-31
ES467076A1 (es) 1978-11-01
MX144177A (es) 1981-09-08
NL7801691A (nl) 1978-08-21
IT7820109A0 (it) 1978-02-09
DK68578A (da) 1978-08-18
GB1560426A (en) 1980-02-06
IT1112615B (it) 1986-01-20
BR7800837A (pt) 1978-10-10
JPS53121180A (en) 1978-10-23
CA1109974A (fr) 1981-09-29
AR213349A1 (es) 1979-01-15
AU3321278A (en) 1979-08-16

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Legal Events

Date Code Title Description
ST Notification of lapse
AR Application made for restoration
BR Restoration of rights
ST Notification of lapse