CA1010096A - Key switch apparatus - Google Patents

Key switch apparatus

Info

Publication number
CA1010096A
CA1010096A CA202,093A CA202093A CA1010096A CA 1010096 A CA1010096 A CA 1010096A CA 202093 A CA202093 A CA 202093A CA 1010096 A CA1010096 A CA 1010096A
Authority
CA
Canada
Prior art keywords
key switch
switch apparatus
key
switch
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
CA202,093A
Other versions
CA202093S (en
Inventor
Henry J. 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.)
Filing date
Publication date
Application filed by Texas Instruments Inc filed Critical Texas Instruments Inc
Application granted granted Critical
Publication of CA1010096A publication Critical patent/CA1010096A/en
Expired legal-status Critical Current

Links

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
CA202,093A 1973-07-05 1974-06-10 Key switch apparatus Expired CA1010096A (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
CA1010096A true CA1010096A (en) 1977-05-10

Family

ID=23486452

Family Applications (1)

Application Number Title Priority Date Filing Date
CA202,093A Expired CA1010096A (en) 1973-07-05 1974-06-10 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
US6965789B2 (en) * 2000-12-29 2005-11-15 Vertu Limited Portable communication device
GB2371022B (en) * 2000-12-29 2005-01-12 Nokia Mobile Phones Ltd A 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

Also Published As

Publication number Publication date
US3842229A (en) 1974-10-15
IT1016303B (en) 1977-05-30
CS178173B2 (en) 1977-08-31
JPS5039418A (en) 1975-04-11
FR2236263A1 (en) 1975-01-31
SU620228A3 (en) 1978-08-15
ES427962A1 (en) 1976-08-16
DE2432316B2 (en) 1977-06-30
AU7027474A (en) 1976-01-08
DK360174A (en) 1975-02-24
DD113973A5 (en) 1975-07-05
RO70422A (en) 1982-05-10
NL7408664A (en) 1975-01-07
BR7405523D0 (en) 1975-05-13
DE2432316A1 (en) 1975-01-23

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