EP0322514A3 - Tastaturschalter - Google Patents

Tastaturschalter Download PDF

Info

Publication number
EP0322514A3
EP0322514A3 EP19880115127 EP88115127A EP0322514A3 EP 0322514 A3 EP0322514 A3 EP 0322514A3 EP 19880115127 EP19880115127 EP 19880115127 EP 88115127 A EP88115127 A EP 88115127A EP 0322514 A3 EP0322514 A3 EP 0322514A3
Authority
EP
European Patent Office
Prior art keywords
pattern
base member
circuitry
switch system
domes
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.)
Withdrawn
Application number
EP19880115127
Other languages
English (en)
French (fr)
Other versions
EP0322514A2 (de
Inventor
Brian G. Spreadbury
Ralph W. Kinser, Jr.
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.)
HP Inc
Original Assignee
Hewlett Packard Co
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 Hewlett Packard Co filed Critical Hewlett Packard Co
Publication of EP0322514A2 publication Critical patent/EP0322514A2/de
Publication of EP0322514A3 publication Critical patent/EP0322514A3/de
Withdrawn legal-status Critical Current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
    • H01H13/78—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 characterised by the contacts or the contact sites
    • H01H13/80—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 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
    • 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
    • H01H13/702—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 with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2201/00—Contacts
    • H01H2201/008—Both contacts movable

Landscapes

  • Push-Button Switches (AREA)
EP19880115127 1987-12-30 1988-09-15 Tastaturschalter Withdrawn EP0322514A3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13967987A 1987-12-30 1987-12-30
US139679 1987-12-30

Publications (2)

Publication Number Publication Date
EP0322514A2 EP0322514A2 (de) 1989-07-05
EP0322514A3 true EP0322514A3 (de) 1990-09-12

Family

ID=22487809

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19880115127 Withdrawn EP0322514A3 (de) 1987-12-30 1988-09-15 Tastaturschalter

Country Status (2)

Country Link
EP (1) EP0322514A3 (de)
JP (1) JPH01209617A (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0320830U (de) * 1989-07-12 1991-02-28
US5294762A (en) * 1991-09-10 1994-03-15 Fujikura Ltd. Click-action membrane switch unit
GB9519557D0 (en) * 1995-09-26 1995-11-29 Psion Plc Key assembly
US6727445B2 (en) * 2001-06-14 2004-04-27 Secure Care Products, Inc. Sensor pads for patient monitoring devices
DE102011116331B4 (de) * 2011-10-19 2022-04-21 Kostal Automobil Elektrik Gmbh & Co. Kg Elektrischer Drucktaster

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2039417A (en) * 1978-12-01 1980-08-06 Maag Gummi Contact pad switch
EP0210973A1 (de) * 1985-06-14 1987-02-04 Siemens Aktiengesellschaft Österreich Tastwahlblock
EP0233296A1 (de) * 1985-08-16 1987-08-26 Fuji Rubber Co. Ltd. Kontaktkautschuk
EP0241906A2 (de) * 1986-04-17 1987-10-21 Wilhelm Ruf KG Membrantastatur

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS509098A (de) * 1973-05-31 1975-01-30

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2039417A (en) * 1978-12-01 1980-08-06 Maag Gummi Contact pad switch
EP0210973A1 (de) * 1985-06-14 1987-02-04 Siemens Aktiengesellschaft Österreich Tastwahlblock
EP0233296A1 (de) * 1985-08-16 1987-08-26 Fuji Rubber Co. Ltd. Kontaktkautschuk
EP0241906A2 (de) * 1986-04-17 1987-10-21 Wilhelm Ruf KG Membrantastatur

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
DATABASE WPI Week 7535, Derwent Publications Ltd, London, GB; Class L03, AN-75-57743W & JP-A-50 009 098 (KOJUNDO KAGAKU KEN) 30 January 1975 *

Also Published As

Publication number Publication date
JPH01209617A (ja) 1989-08-23
EP0322514A2 (de) 1989-07-05

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