NO890063D0 - KEYBOARD - Google Patents

KEYBOARD

Info

Publication number
NO890063D0
NO890063D0 NO890063A NO890063A NO890063D0 NO 890063 D0 NO890063 D0 NO 890063D0 NO 890063 A NO890063 A NO 890063A NO 890063 A NO890063 A NO 890063A NO 890063 D0 NO890063 D0 NO 890063D0
Authority
NO
Norway
Prior art keywords
keyboard
Prior art date
Application number
NO890063A
Other languages
Norwegian (no)
Other versions
NO890063L (en
Inventor
Keith Barrie Doyle
Original Assignee
Marconi Electronic Devices
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 Marconi Electronic Devices filed Critical Marconi Electronic Devices
Publication of NO890063D0 publication Critical patent/NO890063D0/en
Publication of NO890063L publication Critical patent/NO890063L/en

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
    • H01H13/785—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 material of the contacts, e.g. conductive polymers
    • 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
    • H01H2201/022—Material
    • H01H2201/032—Conductive polymer; Rubber
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2203/00—Form of contacts
    • H01H2203/036—Form of contacts to solve particular problems
    • H01H2203/052—Form of contacts to solve particular problems for backlighted keyboards
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2209/00—Layers
    • H01H2209/024—Properties of the substrate
    • H01H2209/038—Properties of the substrate transparent
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2219/00—Legends
    • H01H2219/002—Legends replaceable; adaptable
    • H01H2219/006—Snap mounting
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2219/00—Legends
    • H01H2219/002—Legends replaceable; adaptable
    • H01H2219/018—Electroluminescent panel
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2221/00—Actuators
    • H01H2221/002—Actuators integral with membrane
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2223/00—Casings
    • H01H2223/002—Casings sealed
NO89890063A 1988-01-08 1989-01-06 KEYBOARD. NO890063L (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB888800369A GB8800369D0 (en) 1988-01-08 1988-01-08 Push-button keypads

Publications (2)

Publication Number Publication Date
NO890063D0 true NO890063D0 (en) 1989-01-06
NO890063L NO890063L (en) 1989-07-10

Family

ID=10629658

Family Applications (1)

Application Number Title Priority Date Filing Date
NO89890063A NO890063L (en) 1988-01-08 1989-01-06 KEYBOARD.

Country Status (4)

Country Link
EP (1) EP0323916A3 (en)
DK (1) DK729588A (en)
GB (2) GB8800369D0 (en)
NO (1) NO890063L (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5555550A (en) * 1990-10-01 1996-09-10 Motorola, Inc. Keypad apparatus with integral display indicators
US6040534A (en) * 1998-10-13 2000-03-21 Prince Corporation Integrally molded switch lighting and electronics
EP1526558A1 (en) * 2003-10-20 2005-04-27 Wincor Nixdorf International GmbH Key board

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1019248A (en) * 1974-04-01 1977-10-18 Mohabatullah Sobhani Elastomeric diaphragm switch assembly
FR2453487A1 (en) * 1979-04-03 1980-10-31 Orega Electro Mecanique KEYPAD WITH LIGHTS AND LIGHTS, ESPECIALLY FOR A CONTROL UNIT
US4310839A (en) * 1979-11-23 1982-01-12 Raytheon Company Interactive display system with touch data entry
GB2153078B (en) * 1983-10-27 1986-10-15 Ti Switch/display units
DE3511496A1 (en) * 1985-03-29 1986-10-09 Telefunken electronic GmbH, 7100 Heilbronn Key-switching device having a transparent covering film
JPH0439613Y2 (en) * 1986-05-23 1992-09-17

Also Published As

Publication number Publication date
GB8800369D0 (en) 1988-02-10
GB8900388D0 (en) 1989-03-08
NO890063L (en) 1989-07-10
DK729588D0 (en) 1988-12-29
GB2213648A (en) 1989-08-16
EP0323916A2 (en) 1989-07-12
EP0323916A3 (en) 1990-12-27
DK729588A (en) 1989-07-09

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