AU7027474A - Key switch apparatus - Google Patents

Key switch apparatus

Info

Publication number: AU7027474A
Authority: AU; Australia
Prior art keywords: key switch; switch apparatus; key; switch
Prior art date: 1973-07-05
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

AU70274/74A

Inventor

Henry Joseph Boulanger

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.)

Texas Instruments Inc

Original Assignee

Texas Instruments Inc

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.)

1973-07-05

Filing date

1974-06-20

Publication date

1976-01-08

1974-06-20 Application filed by Texas Instruments Inc filed Critical Texas Instruments Inc

1976-01-08 Publication of AU7027474A publication Critical patent/AU7027474A/en

Status Expired legal-status Critical Current

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/02—Details
- H01H13/12—Movable parts; Contacts mounted thereon
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard

AU70274/74A 1973-07-05 1974-06-20 Key switch apparatus Expired AU7027474A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US00376779A US3842229A (en)	1973-07-05	1973-07-05	Keyboard pushbutton switch

Publications (1)

Publication Number	Publication Date
AU7027474A true AU7027474A (en)	1976-01-08

Family

ID=23486452

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AU70274/74A Expired AU7027474A (en)	1973-07-05	1974-06-20	Key switch apparatus

Country Status (14)

Country	Link
US (1)	US3842229A (en)
JP (1)	JPS5039418A (en)
AU (1)	AU7027474A (en)
BR (1)	BR7405523D0 (en)
CA (1)	CA1010096A (en)
CS (1)	CS178173B2 (en)
DD (1)	DD113973A5 (en)
DK (1)	DK360174A (en)
ES (1)	ES427962A1 (en)
FR (1)	FR2236263A1 (en)
IT (1)	IT1016303B (en)
NL (1)	NL7408664A (en)
RO (1)	RO70422A (en)
SU (1)	SU620228A3 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3962556A (en) *	1975-01-10	1976-06-08	Texas Instruments Incorporated	Keyboard with versatile switch support structures
US4118611A (en) *	1977-08-30	1978-10-03	International Business Machines Corporation	Buckling spring torsional snap actuator
DE2854096C2 (en) *	1978-12-14	1982-04-08	Siemens AG, 1000 Berlin und 8000 München	Key switches, in particular for keyboards in typewriters and similar devices
JPS58147615U (en) *	1982-03-29	1983-10-04	日鐵溶接工業株式会社	Lime coating equipment for horizontally placed loop wire rods
DE8411745U1 (en) *	1984-04-13	1986-02-06	Siemens AG, 1000 Berlin und 8000 München	Pushbutton
JPS61151214U (en) *	1985-03-09	1986-09-18
GB2371022B (en) *	2000-12-29	2005-01-12	Nokia Mobile Phones Ltd	A portable communication device
US6965789B2 (en) *	2000-12-29	2005-11-15	Vertu Limited	Portable communication device
USD873271S1 (en) *	2019-08-07	2020-01-21	Shenzhen Qianhai Patuoxun Network And Technology Co., Ltd.	Keyboard

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2910551A (en) *	1957-04-22	1959-10-27	Generald Motors Corp	Switch assembly
US3223794A (en) *	1963-11-13	1965-12-14	Indak Mfg Corp	Multiple position electrical switch with contact rails and dummy contact pressure stabilizers
US3259721A (en) *	1964-03-19	1966-07-05	Therm O Disc Inc	Thermostatic switch with rocking bridging contact
US3244847A (en) *	1964-05-22	1966-04-05	Navigation Computer Corp	Manually operated keyboard switch in a stationary mount with guided shaftway
GB1140521A (en) *	1965-01-08	1969-01-22	Plessey Uk Ltd	Improvements relating to electric ignition devices
US3707609A (en) *	1971-10-27	1972-12-26	Texas Instruments Inc	Diaphragm pushbutton switch array for keyboards
US3731032A (en) *	1971-10-28	1973-05-01	Us Controls Corp	Electrical switch with contact wiping
US3786205A (en) *	1972-05-11	1974-01-15	Becton Dickinson Co	Keyboard switch assembly with movable, multi-contact means and associated swinger portions

1973
- 1973-07-05 US US00376779A patent/US3842229A/en not_active Expired - Lifetime
1974
- 1974-06-10 CA CA202,093A patent/CA1010096A/en not_active Expired
- 1974-06-20 AU AU70274/74A patent/AU7027474A/en not_active Expired
- 1974-06-27 NL NL7408664A patent/NL7408664A/en unknown
- 1974-07-03 FR FR7423105A patent/FR2236263A1/fr not_active Withdrawn
- 1974-07-04 BR BR5523/74A patent/BR7405523D0/en unknown
- 1974-07-04 IT IT51918/74A patent/IT1016303B/en active
- 1974-07-04 JP JP49076865A patent/JPS5039418A/ja active Pending
- 1974-07-04 ES ES427962A patent/ES427962A1/en not_active Expired
- 1974-07-04 SU SU742043559A patent/SU620228A3/en active
- 1974-07-04 DK DK360174A patent/DK360174A/da unknown
- 1974-07-04 DD DD179695A patent/DD113973A5/xx unknown
- 1974-07-05 RO RO7479458A patent/RO70422A/en unknown
- 1974-07-05 CS CS4791A patent/CS178173B2/cs unknown

Also Published As

Publication number	Publication date
DE2432316A1 (en)	1975-01-23
DK360174A (en)	1975-02-24
BR7405523D0 (en)	1975-05-13
DE2432316B2 (en)	1977-06-30
JPS5039418A (en)	1975-04-11
DD113973A5 (en)	1975-07-05
ES427962A1 (en)	1976-08-16
RO70422A (en)	1982-05-10
CS178173B2 (en)	1977-08-31
IT1016303B (en)	1977-05-30
NL7408664A (en)	1975-01-07
SU620228A3 (en)	1978-08-15
US3842229A (en)	1974-10-15
FR2236263A1 (en)	1975-01-31
CA1010096A (en)	1977-05-10

Publication	Publication Date	Title
AU6989974A (en)	1975-12-11	Switch
CA1026237A (en)	1978-02-14	Key board switch
AU7002974A (en)	1975-12-18	Apparatus
AU7027374A (en)	1976-01-08	Key switch apparatus
AU6671174A (en)	1975-09-18	Switchgear
ZA742530B (en)	1975-05-28	Crushing apparatus
ZA742061B (en)	1975-03-26	Alarm apparatus
JPS49113362A (en)	1974-10-29	Slag-removing apparatus
YU234974A (en)	1982-05-31	Electric quick action switch
ZA753520B (en)	1976-05-26	Signal switching apparatus
AU6805074A (en)	1975-10-23	Switch
AU7060874A (en)	1976-01-08	Keyboard switch
HK18579A (en)	1979-04-06	Electric switch
CS191231B2 (en)	1979-06-29	Pressure-gas switch
JPS51126003A (en)	1976-11-02	Switching device
AU7027474A (en)	1976-01-08	Key switch apparatus
AU7289174A (en)	1976-03-04	Switches
AU6718274A (en)	1975-10-02	Timer switch
AU7379674A (en)	1976-04-01	Switch
ZA741063B (en)	1975-01-29	Rotary switch
ZA741548B (en)	1975-02-26	Molding apparatus
AU6633374A (en)	1975-09-11	Switch construction
GB1408253A (en)	1975-10-01	Compression-crimping apparatus
AU7038474A (en)	1976-01-08	Apparatus
AU6901474A (en)	1975-11-20	Pressure switch