DK729588A - Tryktastomraader - Google Patents

Tryktastomraader

Info

Publication number
DK729588A
DK729588A DK729588A DK729588A DK729588A DK 729588 A DK729588 A DK 729588A DK 729588 A DK729588 A DK 729588A DK 729588 A DK729588 A DK 729588A DK 729588 A DK729588 A DK 729588A
Authority
DK
Denmark
Prior art keywords
key areas
pressure key
pressure
areas
key
Prior art date
Application number
DK729588A
Other languages
English (en)
Other versions
DK729588D0 (da
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 DK729588D0 publication Critical patent/DK729588D0/da
Publication of DK729588A publication Critical patent/DK729588A/da

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
DK729588A 1988-01-08 1988-12-29 Tryktastomraader DK729588A (da)

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
DK729588D0 DK729588D0 (da) 1988-12-29
DK729588A true DK729588A (da) 1989-07-09

Family

ID=10629658

Family Applications (1)

Application Number Title Priority Date Filing Date
DK729588A DK729588A (da) 1988-01-08 1988-12-29 Tryktastomraader

Country Status (4)

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

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 (de) * 2003-10-20 2005-04-27 Wincor Nixdorf International GmbH Bedienfeld

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 (fr) * 1979-04-03 1980-10-31 Orega Electro Mecanique Clavier a touches et a temoins lumineux, notamment pour boitier de commande
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 (de) * 1985-03-29 1986-10-09 Telefunken electronic GmbH, 7100 Heilbronn Tastschalteinrichtung mit einer durchsichtigen abdeckfolie
JPH0439613Y2 (da) * 1986-05-23 1992-09-17

Also Published As

Publication number Publication date
EP0323916A3 (en) 1990-12-27
DK729588D0 (da) 1988-12-29
EP0323916A2 (en) 1989-07-12
GB2213648A (en) 1989-08-16
GB8800369D0 (en) 1988-02-10
GB8900388D0 (en) 1989-03-08
NO890063D0 (no) 1989-01-06
NO890063L (no) 1989-07-10

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Legal Events

Date Code Title Description
AHB Application shelved due to non-payment