DE3375001D1 - Contact keyboard and method of its manufacture - Google Patents

Contact keyboard and method of its manufacture

Info

Publication number
DE3375001D1
DE3375001D1 DE8383301831T DE3375001T DE3375001D1 DE 3375001 D1 DE3375001 D1 DE 3375001D1 DE 8383301831 T DE8383301831 T DE 8383301831T DE 3375001 T DE3375001 T DE 3375001T DE 3375001 D1 DE3375001 D1 DE 3375001D1
Authority
DE
Germany
Prior art keywords
manufacture
contact keyboard
keyboard
contact
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
DE8383301831T
Other languages
German (de)
Inventor
Mario Maquignaz
Eugenio Bassetti
Orlando Spinoni
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.)
Telecom Italia SpA
Olivetti SpA
Original Assignee
Olivetti SpA
Ing C Olivetti and C SpA
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 Olivetti SpA, Ing C Olivetti and C SpA filed Critical Olivetti SpA
Application granted granted Critical
Publication of DE3375001D1 publication Critical patent/DE3375001D1/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
    • H01H13/70—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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2215/00—Tactile feedback
    • H01H2215/004—Collapsible dome or bubble
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2221/00—Actuators
    • H01H2221/062—Damping vibrations
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2229/00—Manufacturing
    • H01H2229/018—Testing
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2229/00—Manufacturing
    • H01H2229/034—Positioning of layers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2229/00—Manufacturing
    • H01H2229/044—Injection moulding
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2233/00—Key modules
    • H01H2233/002—Key modules joined to form button rows
    • H01H2233/004—One molded part
    • H01H2233/006—Separating individual keys after mounting
DE8383301831T 1982-04-02 1983-03-31 Contact keyboard and method of its manufacture Expired DE3375001D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT67433/82A IT1155482B (en) 1982-04-02 1982-04-02 CONTACT KEYBOARD AND METHOD FOR THE MANUFACTURE OF THE SAME

Publications (1)

Publication Number Publication Date
DE3375001D1 true DE3375001D1 (en) 1988-02-04

Family

ID=11302349

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8383301831T Expired DE3375001D1 (en) 1982-04-02 1983-03-31 Contact keyboard and method of its manufacture

Country Status (3)

Country Link
EP (1) EP0091284B1 (en)
DE (1) DE3375001D1 (en)
IT (1) IT1155482B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3809770A1 (en) * 1988-03-23 1989-10-05 Preh Elektro Feinmechanik KEY SWITCH
FR2656735B1 (en) * 1989-12-28 1996-04-26 Alcatel Business Systems CAPTIVE KEYBOARD.
JP2557557Y2 (en) * 1991-02-12 1997-12-10 ミネベア株式会社 Key switch
US5209588A (en) * 1992-06-09 1993-05-11 Chen Pao Chin Computer key switch
DE9303837U1 (en) * 1993-03-16 1993-07-01 Preh-Werke Gmbh & Co Kg, 8740 Bad Neustadt, De
DE29505050U1 (en) * 1995-03-24 1995-05-18 So Henry Switch key unit for computer keyboard boards
JP5684562B2 (en) * 2010-12-27 2015-03-11 東プレ株式会社 Keyboard switch
JP2015038891A (en) * 2014-11-21 2015-02-26 東プレ株式会社 Keyboard switch

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49111174A (en) * 1973-02-23 1974-10-23
CH607854A5 (en) * 1977-02-04 1978-11-30 Europ Handelsges Anst Keyboard for inputting data into an electric device
DE2849684A1 (en) * 1978-11-16 1980-05-22 Triumph Werke Nuernberg Ag Electric typewriter keyboard construction - has leaf springs distorted by keys into concave state to close contacts
US4315114A (en) * 1980-03-24 1982-02-09 International Telephone And Telegraph Corporation Keyboard switch assembly

Also Published As

Publication number Publication date
IT8267433A0 (en) 1982-04-02
EP0091284A3 (en) 1984-11-21
EP0091284B1 (en) 1987-12-23
IT1155482B (en) 1987-01-28
EP0091284A2 (en) 1983-10-12

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee