FR2232060A1 - - Google Patents

Info

Publication number
FR2232060A1
FR2232060A1 FR7418436A FR7418436A FR2232060A1 FR 2232060 A1 FR2232060 A1 FR 2232060A1 FR 7418436 A FR7418436 A FR 7418436A FR 7418436 A FR7418436 A FR 7418436A FR 2232060 A1 FR2232060 A1 FR 2232060A1
Authority
FR
Grant status
Application
Patent type
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.)
Granted
Application number
FR7418436A
Other versions
FR2232060B1 (en )
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.)
Burroughs Corp
Original Assignee
Burroughs 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

Links

Classifications

    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/70Switches 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
    • H01H13/78Switches 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 characterised by the contacts or the contact sites
    • H01H13/80Switches 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 characterised by the contacts or the contact sites characterised by the manner of cooperation of the contacts, e.g. with both contacts movable or with bounceless contacts
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/50Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member
    • H01H13/52Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member the contact returning to its original state immediately upon removal of operating force, e.g. bell-push switch
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/70Switches 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
    • H01H13/702Switches 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 with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches
    • H01H13/705Switches 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 with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches characterised by construction, mounting or arrangement of operating parts, e.g. push-buttons or keys
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2201/00Contacts
    • H01H2201/002Contacts bounceless
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2201/00Contacts
    • H01H2201/004Wiping action
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2203/00Form of contacts
    • H01H2203/036Form of contacts to solve particular problems
    • H01H2203/054Form of contacts to solve particular problems for redundancy, e.g. several contact pairs in parallel
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2221/00Actuators
    • H01H2221/024Transmission element
    • H01H2221/026Guiding or lubricating nylon
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2221/00Actuators
    • H01H2221/062Damping vibrations
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2233/00Key modules
    • H01H2233/07Cap or button on actuator part
    • H01H2233/074Snap coupling
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2235/00Springs
    • H01H2235/004Two parallel coil springs
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2235/00Springs
    • H01H2235/018Spring seat
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2235/00Springs
    • H01H2235/022Actuating striker
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2235/00Springs
    • H01H2235/03Two serial springs
FR7418436A 1973-06-01 1974-05-28 Expired FR2232060B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US3856998A US3856998A (en) 1973-06-01 1973-06-01 Keyboard switch assembly with improved operating means

Publications (2)

Publication Number Publication Date
FR2232060A1 true true FR2232060A1 (en) 1974-12-27
FR2232060B1 FR2232060B1 (en) 1977-09-30

Family

ID=23441777

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7418436A Expired FR2232060B1 (en) 1973-06-01 1974-05-28

Country Status (4)

Country Link
US (1) US3856998A (en)
BE (1) BE815400A (en)
FR (1) FR2232060B1 (en)
GB (1) GB1435434A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4492838A (en) * 1983-02-24 1985-01-08 Amp Incorporated Key switch having an actuator integral with the return spring
EP0339209A2 (en) * 1988-03-31 1989-11-02 Oki Electric Industry Company, Limited Push-button switch
WO1992003835A1 (en) * 1990-08-20 1992-03-05 Swf Auto-Electric Gmbh Device, in particular electric push-button switch
EP0554493A1 (en) * 1992-01-31 1993-08-11 Acer Peripherals, Inc. A keyboard membrane keyswitch assembly

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4055734A (en) * 1973-12-26 1977-10-25 Thomas John Hayden Keyboard switch assembly with hinged pushbuttons and cantilevered terminal members
US4004121A (en) * 1974-04-04 1977-01-18 Mechanical Enterprises, Inc. Electrical switch with wire beam spring contact closer
GB1513431A (en) * 1974-05-07 1978-06-07 Preh Gmbh W Electrical switching arrangement suitable for an ultrasonic remote control device
US4066860A (en) * 1974-09-26 1978-01-03 Sharp Kabushiki Kaisha Pushbutton switch key arrangement for keyboards having indicia
US4029916A (en) * 1975-04-18 1977-06-14 Northern Electric Company Limited Multi-contact push-button switch and plural embodiment for keyboard switch assembly
US4022993A (en) * 1975-06-09 1977-05-10 Litton Systems, Inc. Switch assembly having electrically illuminated character display devices between transparent actuators and switch arrays
US3969600A (en) * 1975-06-11 1976-07-13 Burroughs Corporation Tactile feedback keyboard switch assembly and actuator
US4086451A (en) * 1976-12-06 1978-04-25 Texas Instruments Incorporated Keyboard apparatus
US4124787A (en) * 1977-03-11 1978-11-07 Atari, Inc. Joystick controller mechanism operating one or plural switches sequentially or simultaneously
US4117292A (en) * 1977-06-10 1978-09-26 Telaris Telecommunications, Inc. Dual spring actuator for keyboard switch assembly
US4129758A (en) * 1977-06-10 1978-12-12 Telaris Telecommunications, Inc. Keyboard switch assembly having flexible contact carrying member between contact carrying substrate and flexible, resilient, key-depressible bubble protrusions
US4156802A (en) * 1977-06-10 1979-05-29 Telaris Telecommunications, Inc. Electrical switch assembly
US4191871A (en) * 1978-09-12 1980-03-04 Westinghouse Electric Corp. Push-button assembly
US4274752A (en) * 1979-04-02 1981-06-23 International Business Machines Corporation Keyboard multiple switch assembly
US4451160A (en) * 1980-10-10 1984-05-29 Eta S.A. Fabriques D'ebauches Watch with a push button
US4440992A (en) * 1982-03-03 1984-04-03 Amp Incorporated Low profile keyboard switch actuating assembly
US4417115A (en) * 1982-03-03 1983-11-22 Amp Incorporated Switch actuating assembly having improved cams and plural modes
EP0101208A3 (en) * 1982-07-22 1984-07-18 Spiralux Limited Keyboards
US4553009A (en) * 1982-09-03 1985-11-12 Oak Industries Inc. Keyboard switch with pivotal actuator lever
US4453198A (en) * 1982-09-15 1984-06-05 General Instrument Corporation Linear feel keyswitch with hysteresis
US4454562A (en) * 1982-09-15 1984-06-12 General Instrument Corporation Keyswitch with telescoping plunger
GB8406940D0 (en) * 1983-03-18 1984-04-18 Danielson Uk Ltd Broderna Membrane switch assembly
JPS59181527U (en) * 1983-05-21 1984-12-04
JPS647545Y2 (en) * 1983-06-15 1989-02-28
US4638133A (en) * 1985-04-05 1987-01-20 Square D Company Rotary switch assembly
CA1280796C (en) * 1985-10-16 1991-02-26 Kazutoshi Hayashi Pushbutton switch using dome spring and switch element thereof
GB2183916B (en) * 1985-11-13 1990-02-07 Devlin Electronics Limited Improvements relating to telephone keypads
GB8616960D0 (en) * 1986-07-11 1986-08-20 Access Keyboards Ltd Switch actuator
US5173578A (en) * 1988-11-18 1992-12-22 Matsushita Electric Industrial Co., Ltd. Push button switch assembly
US5201824A (en) * 1989-10-06 1993-04-13 Alps Electric Co., Ltd. Push button switch
US5120923A (en) * 1989-10-06 1992-06-09 Takafumi Kato Push button switch
US5418530A (en) * 1991-05-31 1995-05-23 Compaq Computer Corporation Key with silent return movement
DE102008049441B3 (en) * 2008-09-29 2010-07-15 Vladimir Dvornikov Electric key for keyboard, has spring element for forming two concave spring element parts with reduced width and height at releasing point, where spring element parts cause spring stage of force-displacement-characteristic curve
US9741507B2 (en) * 2013-12-13 2017-08-22 Fujitsu Component Limited Key switch device and keyboard
WO2016041516A1 (en) * 2014-09-18 2016-03-24 张文嵛 Key switch, key unit and computer keyboard

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE726881C (en) * 1939-10-14 1942-10-22 Stotz Kontakt Gmbh Electric push-button switch
DE931153C (en) * 1953-03-15 1955-08-01 Volkswagenwerk Ag Dimmer switch, especially for motor vehicles
FR1510713A (en) * 1966-02-09 1968-01-19 United Carr Inc Switch using a stepped spring
US3521013A (en) * 1968-03-21 1970-07-21 Molex Products Co Pushbutton switch mechanism including a rocker contact and an actuator
FR2078163A5 (en) * 1970-02-16 1971-11-05 Ibm
FR2130817A5 (en) * 1969-09-25 1972-11-10 Lematex Inc
US3773998A (en) * 1972-10-16 1973-11-20 Chomerics Inc Pedestal and spring member for key actuator of diaphragm switch

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1665312B2 (en) * 1966-02-08 1975-11-06 Patinvest Patent- U. Investment Ag, Chur (Schweiz)
US3408464A (en) * 1967-05-10 1968-10-29 Stewart Warner Corp Brake switch
US3699296A (en) * 1971-05-21 1972-10-17 Ibm Catastrophically buckling compression column switch and actuator
US3743798A (en) * 1971-09-13 1973-07-03 North American Rockwell Elongated spring coil conductors applying tension force to pushbutton actuators in keyboard matrix switch assembly
US3707609A (en) * 1971-10-27 1972-12-26 Texas Instruments Inc Diaphragm pushbutton switch array for keyboards

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE726881C (en) * 1939-10-14 1942-10-22 Stotz Kontakt Gmbh Electric push-button switch
DE931153C (en) * 1953-03-15 1955-08-01 Volkswagenwerk Ag Dimmer switch, especially for motor vehicles
FR1510713A (en) * 1966-02-09 1968-01-19 United Carr Inc Switch using a stepped spring
US3521013A (en) * 1968-03-21 1970-07-21 Molex Products Co Pushbutton switch mechanism including a rocker contact and an actuator
FR2130817A5 (en) * 1969-09-25 1972-11-10 Lematex Inc
FR2078163A5 (en) * 1970-02-16 1971-11-05 Ibm
US3773998A (en) * 1972-10-16 1973-11-20 Chomerics Inc Pedestal and spring member for key actuator of diaphragm switch

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4492838A (en) * 1983-02-24 1985-01-08 Amp Incorporated Key switch having an actuator integral with the return spring
EP0339209A2 (en) * 1988-03-31 1989-11-02 Oki Electric Industry Company, Limited Push-button switch
EP0339209A3 (en) * 1988-03-31 1991-03-13 Oki Electric Industry Company, Limited Push-button switch
WO1992003835A1 (en) * 1990-08-20 1992-03-05 Swf Auto-Electric Gmbh Device, in particular electric push-button switch
EP0554493A1 (en) * 1992-01-31 1993-08-11 Acer Peripherals, Inc. A keyboard membrane keyswitch assembly

Also Published As

Publication number Publication date Type
BE815400A1 (en) grant
GB1435434A (en) 1976-05-12 application
US3856998A (en) 1974-12-24 grant
BE815400A (en) 1974-09-16 grant
FR2232060B1 (en) 1977-09-30 grant

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Legal Events

Date Code Title Description
ST Notification of lapse