CA1109974A - Push buttons - Google Patents

Push buttons

Info

Publication number
CA1109974A
CA1109974A CA296,929A CA296929A CA1109974A CA 1109974 A CA1109974 A CA 1109974A CA 296929 A CA296929 A CA 296929A CA 1109974 A CA1109974 A CA 1109974A
Authority
CA
Canada
Prior art keywords
push
button
dome
shank
buttons
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
CA296,929A
Other languages
English (en)
French (fr)
Inventor
William D. 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.)
STC PLC
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
Application granted granted Critical
Publication of CA1109974A publication Critical patent/CA1109974A/en
Expired 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)
CA296,929A 1977-02-17 1978-02-14 Push buttons Expired CA1109974A (en)

Applications Claiming Priority (2)

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

Publications (1)

Publication Number Publication Date
CA1109974A true CA1109974A (en) 1981-09-29

Family

ID=9819016

Family Applications (1)

Application Number Title Priority Date Filing Date
CA296,929A Expired CA1109974A (en) 1977-02-17 1978-02-14 Push buttons

Country Status (13)

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

Families Citing this family (9)

* 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
DE2915456C2 (de) * 1979-04-17 1981-05-14 Siemens AG, 1000 Berlin und 8000 München Drucktasteneinrichtung mit piezoelektrischem Wandler
DE2915410C2 (de) * 1979-04-17 1981-06-19 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
FR2687036B1 (fr) * 1992-02-04 1994-03-18 Alcatel Business Systems Dispositif a commande manuelle devant assurer au moins deux fonctions differentes.
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

Family Cites Families (5)

* 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
JPS4871929A (da) * 1971-12-28 1973-09-28
CA1026237A (en) * 1973-09-17 1978-02-14 Kureha Kagaku Kogyo Kabushiki Kaisha Key board switch
JPS5410214B2 (da) * 1973-10-15 1979-05-02
JPS50151423A (da) * 1974-05-24 1975-12-05

Also Published As

Publication number Publication date
MX144177A (es) 1981-09-08
DK68578A (da) 1978-08-18
FR2381421A1 (fr) 1978-09-15
JPS53121180A (en) 1978-10-23
IT7820109A0 (it) 1978-02-09
NL7801691A (nl) 1978-08-21
BR7800837A (pt) 1978-10-10
DE2805332B2 (de) 1979-10-25
GB1560426A (en) 1980-02-06
DE2805332C3 (de) 1980-07-10
ES467076A1 (es) 1978-11-01
IT1112615B (it) 1986-01-20
AR213349A1 (es) 1979-01-15
AU3321278A (en) 1979-08-16
DE2805332A1 (de) 1978-08-31

Similar Documents

Publication Publication Date Title
US3932722A (en) Push button body for a push-button switch providing snap-action of the switch
EP0059749B1 (en) Keyboard and method of producing a keyboard
CA1109974A (en) Push buttons
US6313762B1 (en) Keyboard with keys for moving cursor
US3965399A (en) Pushbutton capacitive transducer
US4307268A (en) Tactile element and keyboard including the tactile element
US4322983A (en) Method for generating electric signals and a push-button switch means therefor
EP0499449A1 (en) Key switch
US4245138A (en) Tactile element and keyboard including the tactile element
JPS593824A (ja) パネルキ−ボ−ド
GB1536079A (en) Flat keyboard electric switch assembly
GB1369168A (en) Electro-mechanical transducer
GB2107523A (en) Multiple membrane switch
US4599496A (en) Variable control device
JP3141046B2 (ja) 感圧スイッチ
JP2673288B2 (ja) キースイッチのラバースプリング
GB2609148A (en) Key mechanism
GB1580958A (en) Push button switch
JP2554858Y2 (ja) 電子楽器のタッチレスポンススイッチ
JPS6344252B2 (da)
JPS61211919A (ja) キ−スイツチ用弾性部品
JPS6220110Y2 (da)
SU851519A1 (ru) Переключатель
JPS5819822A (ja) 容量キ−スイツチ
JPS5838971Y2 (ja) 圧電キ−ボ−ド装置

Legal Events

Date Code Title Description
MKEX Expiry