CA972412A - Unitized multiple switch configuration - Google Patents

Unitized multiple switch configuration

Info

Publication number
CA972412A
CA972412A CA148,546A CA148546A CA972412A CA 972412 A CA972412 A CA 972412A CA 148546 A CA148546 A CA 148546A CA 972412 A CA972412 A CA 972412A
Authority
CA
Canada
Prior art keywords
multiple switch
switch configuration
unitized
unitized multiple
configuration
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
CA148,546A
Inventor
John F. Brady
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.)
Universal Technology Inc
Original Assignee
Universal Technology 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 Universal Technology Inc filed Critical Universal Technology Inc
Application granted granted Critical
Publication of CA972412A publication Critical patent/CA972412A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J5/00—Devices or arrangements for controlling character selection
    • B41J5/08—Character or syllable selected by means of keys or keyboards of the typewriter type
    • B41J5/16—Mounting or connecting key buttons on or to key levers
    • 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
    • H01H13/7006—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 comprising a separate movable contact element for each switch site, all other elements being integrated in layers
CA148,546A 1971-08-02 1972-08-02 Unitized multiple switch configuration Expired CA972412A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US16805371A 1971-08-02 1971-08-02

Publications (1)

Publication Number Publication Date
CA972412A true CA972412A (en) 1975-08-05

Family

ID=22609906

Family Applications (1)

Application Number Title Priority Date Filing Date
CA148,546A Expired CA972412A (en) 1971-08-02 1972-08-02 Unitized multiple switch configuration

Country Status (2)

Country Link
US (1) US3731014A (en)
CA (1) CA972412A (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2198239B1 (en) * 1972-09-07 1975-03-07 Telic
USRE30923E (en) * 1973-01-02 1982-05-04 Bowmar Instrument Corporation Calculator keyboard switch with disc spring contact and printed circuit board
US3819882A (en) * 1973-03-08 1974-06-25 Cherry Electrical Prod Matrix keyboard assembly
GB1479026A (en) * 1973-08-24 1977-07-06 Giko Kk Push button switch
US3963879A (en) * 1974-07-19 1976-06-15 Tie/Communications, Inc. Telephone dial assembly
US3988551A (en) * 1975-04-03 1976-10-26 Magic Dot, Inc. Membrane keyboard apparatus having common apertured electrode, aperture inserted electrodes and conductive bubble contactors
US3995126A (en) * 1975-04-03 1976-11-30 Magic Dot, Inc. Membrane keyboard apparatus
US4331404A (en) * 1980-10-06 1982-05-25 Polaroid Corporation Hand held camera having protectable and balanced switching arrangement
USRE32419E (en) * 1981-03-16 1987-05-12 Engineering Research Applications, Inc. Molded keyboard and method of fabricating same
FR2544545A1 (en) * 1983-04-18 1984-10-19 Gerard Michel Operating keypad for electrical or electronic devices
JPS60136022U (en) * 1984-02-20 1985-09-10 アルプス電気株式会社 push button switch
US5262601A (en) * 1992-09-24 1993-11-16 Eagle Electric Mfg. Co., Inc. Printed circuit board switch with flexible armature or contact arm
US5828364A (en) * 1995-01-03 1998-10-27 Microsoft Corporation One-piece case top and integrated switch for a computer pointing device
IT1401365B1 (en) * 2010-07-22 2013-07-18 Bitron Spa CONTROL DEVICE FOR SWITCHES WITH SILICONE DUOMES

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1707459A (en) * 1927-03-29 1929-04-02 Will N Clurman Controlling device for electric motors
US2848567A (en) * 1955-06-06 1958-08-19 Daystrom Inc Multipoint switch
US2964986A (en) * 1956-05-10 1960-12-20 Baldwin Piano Co Push button chord derivation and apparatus
US2994531A (en) * 1959-06-17 1961-08-01 Thomas A Eberwein Electrical guessing game
US3290439A (en) * 1963-04-29 1966-12-06 Willcox Data encoding keyboard
CS41879A (en) * 1967-11-02
US3614702A (en) * 1969-09-08 1971-10-19 Elmwood Sensors Terminal-contact rivet construction and method of assembly thereof

Also Published As

Publication number Publication date
US3731014A (en) 1973-05-01

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