CA1109974A - Push buttons - Google Patents

Push buttons

Info

Publication number: CA1109974A
Authority: CA; Canada
Prior art keywords: push; button; dome; shank; buttons
Prior art date: 1977-02-17
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.)

1977-02-17

Filing date

1978-02-14

Publication date

1981-09-29

1978-02-14 Application filed by International Standard Electric Corp filed Critical International Standard Electric Corp

1981-09-29 Application granted granted Critical

1981-09-29 Publication of CA1109974A publication Critical patent/CA1109974A/en

Status Expired legal-status Critical Current

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)
Input From Keyboards Or The Like (AREA)
Switches Operated By Changes In Physical Conditions (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
GB6689/77		1977-02-17
GB6689/77A GB1560426A (en)	1977-02-17	1977-02-17	Posh-button operated electrical switches

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

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

1977
- 1977-02-17 GB GB6689/77A patent/GB1560426A/en not_active Expired
1978
- 1978-02-09 DE DE2805332A patent/DE2805332C3/de not_active Expired
- 1978-02-09 IT IT20109/78A patent/IT1112615B/it active
- 1978-02-10 AU AU33212/78A patent/AU3321278A/en active Pending
- 1978-02-13 BR BR7800837A patent/BR7800837A/pt unknown
- 1978-02-14 CA CA296,929A patent/CA1109974A/en not_active Expired
- 1978-02-15 AR AR271110A patent/AR213349A1/es active
- 1978-02-15 FR FR7804237A patent/FR2381421A1/fr not_active Withdrawn
- 1978-02-15 NL NL7801691A patent/NL7801691A/xx not_active Application Discontinuation
- 1978-02-16 DK DK68578A patent/DK68578A/da not_active Application Discontinuation
- 1978-02-17 ES ES467076A patent/ES467076A1/es not_active Expired
- 1978-02-17 JP JP1666378A patent/JPS53121180A/ja active Pending
- 1978-02-17 MX MX172459A patent/MX144177A/es unknown

Also Published As

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

Publication	Publication Date	Title
US3932722A (en)	1976-01-13	Push button body for a push-button switch providing snap-action of the switch
EP0059749B1 (en)	1985-01-23	Keyboard and method of producing a keyboard
CA1109974A (en)	1981-09-29	Push buttons
US6313762B1 (en)	2001-11-06	Keyboard with keys for moving cursor
US4322983A (en)	1982-04-06	Method for generating electric signals and a push-button switch means therefor
EP0499449A1 (en)	1992-08-19	Key switch
JPS593824A (ja)	1984-01-10	パネルキ−ボ−ド
JPH09147666A (ja)	1997-06-06	プッシュオンスイッチ
GB1536079A (en)	1978-12-20	Flat keyboard electric switch assembly
EP0240791A3 (en)	1989-02-22	Capacitance switching device for keyboard
GB2107523A (en)	1983-04-27	Multiple membrane switch
US4599496A (en)	1986-07-08	Variable control device
JPH0124824Y2 (es)	1989-07-26
JPS6335993B2 (es)	1988-07-18
GB2048531A (en)	1980-12-10	Keyboard especially for telephone
JP2673288B2 (ja)	1997-11-05	キースイッチのラバースプリング
JPH05304007A (ja)	1993-11-16	感圧スイッチ
GB2609148A (en)	2023-01-25	Key mechanism
JP2554858Y2 (ja)	1997-11-19	電子楽器のタッチレスポンススイッチ
JPS6344252B2 (es)	1988-09-05
JPH06175649A (ja)	1994-06-24	鍵盤装置
JPS61211919A (ja)	1986-09-20	キ−スイツチ用弾性部品
KR200210934Y1 (ko)	2001-01-15	에어튜브를 이용한 컴퓨터 키보드
JPS5844619A (ja)	1983-03-15	容量キ−スイツチ
JPH0448600Y2 (es)	1992-11-16

Legal Events

Date	Code	Title	Description
1998-09-29	MKEX	Expiry