GB8900387D0 - Push-button key switches - Google Patents

Push-button key switches

Info

Publication number
GB8900387D0
GB8900387D0 GB898900387A GB8900387A GB8900387D0 GB 8900387 D0 GB8900387 D0 GB 8900387D0 GB 898900387 A GB898900387 A GB 898900387A GB 8900387 A GB8900387 A GB 8900387A GB 8900387 D0 GB8900387 D0 GB 8900387D0
Authority
GB
United Kingdom
Prior art keywords
push
key switches
button key
button
switches
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Withdrawn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
GB898900387A
Other versions
GB2213647A (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.)
Marconi Electronic Devices Ltd
Original Assignee
Marconi Electronic Devices Ltd
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 Ltd filed Critical Marconi Electronic Devices Ltd
Publication of GB8900387D0 publication Critical patent/GB8900387D0/en
Publication of GB2213647A publication Critical patent/GB2213647A/en
Withdrawn legal-status Critical Current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
    • H01H13/785—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
    • 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
    • H01H2205/00—Movable contacts
    • H01H2205/002—Movable contacts fixed to operating part
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2207/00—Connections
    • H01H2207/02—Solder
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2215/00—Tactile feedback
    • H01H2215/004—Collapsible dome or bubble
    • H01H2215/012—Positioning of individual dome
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2219/00—Legends
    • H01H2219/002—Legends replaceable; adaptable
    • H01H2219/014—LED
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2223/00—Casings
    • H01H2223/03—Separate key housing
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2233/00—Key modules
    • H01H2233/03—Key modules mounted on support plate or frame
    • H01H2233/034—Snap coupling
GB8900387A 1988-01-08 1989-01-09 Push-button key switches Withdrawn GB2213647A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB888800370A GB8800370D0 (en) 1988-01-08 1988-01-08 Push-button keyswitches

Publications (2)

Publication Number Publication Date
GB8900387D0 true GB8900387D0 (en) 1989-03-08
GB2213647A GB2213647A (en) 1989-08-16

Family

ID=10629659

Family Applications (2)

Application Number Title Priority Date Filing Date
GB888800370A Pending GB8800370D0 (en) 1988-01-08 1988-01-08 Push-button keyswitches
GB8900387A Withdrawn GB2213647A (en) 1988-01-08 1989-01-09 Push-button key switches

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB888800370A Pending GB8800370D0 (en) 1988-01-08 1988-01-08 Push-button keyswitches

Country Status (4)

Country Link
EP (1) EP0323917A3 (en)
DK (1) DK734488A (en)
GB (2) GB8800370D0 (en)
NO (1) NO890064L (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009022687B3 (en) * 2009-03-12 2010-07-08 Erbe Elektromedizin Gmbh Sensing device e.g. electrically operated diagnostic and therapeutic instrument, has switching spring-counter contact projected in hollow space below switching spring and guided opposite to housing part through another housing part

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2343060A (en) * 1941-09-25 1944-02-29 Gen Motors Corp Switch
FR1188210A (en) * 1957-12-10 1959-09-21 Improved device for controlling electrical circuits such as contactors, breakers, switches and the like
JPS49111174A (en) * 1973-02-23 1974-10-23
US4121070A (en) * 1977-03-04 1978-10-17 Renal Systems, Inc. Enclosed push button type switch
JPS5624718A (en) * 1979-08-06 1981-03-09 Shinetsu Polymer Co Pushhbutton switch
GB2086804B (en) * 1980-11-04 1984-08-22 Standard Telephones Cables Ltd Keyblock assembly
JPS58113229U (en) * 1982-01-26 1983-08-02 アルプス電気株式会社 push button switch
EP0123184B1 (en) * 1983-04-20 1990-03-14 Bebié+Co. Keyboard arrangement
GB2157496B (en) * 1984-04-14 1988-02-03 Joel Matthew Sciamma Conductive foam switch
DE3414909A1 (en) * 1984-04-19 1985-10-24 Standard Elektrik Lorenz Ag, 7000 Stuttgart KEY SWITCH
GB2193040A (en) * 1986-07-24 1988-01-27 De La Rue Syst Force location assembly

Also Published As

Publication number Publication date
GB8800370D0 (en) 1988-02-10
NO890064D0 (en) 1989-01-06
NO890064L (en) 1989-07-10
EP0323917A3 (en) 1990-12-27
DK734488D0 (en) 1988-12-30
GB2213647A (en) 1989-08-16
EP0323917A2 (en) 1989-07-12
DK734488A (en) 1989-07-09

Similar Documents

Publication Publication Date Title
GB2276272B (en) Push-button switch
GB2272797B (en) Push-button switch
GB8518664D0 (en) Key switch structure
GB2210507B (en) Keyboard switch
GB8916912D0 (en) Pushbutton switch assembly
EP0163874A3 (en) Key switch
GB2225900B (en) Push button switch
GB9308381D0 (en) Push-button switches
GB2168850B (en) Key switch
GB2192307B (en) Push-button keyboard switch unit
GB2220795B (en) Push button switch
AU3412489A (en) Electronic push-button switch
EP0252449A3 (en) Push-button switch especially key switch
GB2219691B (en) Operating key switch unit
GB8810978D0 (en) Push-button switch
GB2261769B (en) Key switch
GB8922992D0 (en) Push-button switch
GB8601585D0 (en) Key operated switch
GB8900388D0 (en) Push-button keypads
GB8710262D0 (en) Key switch
GB8900387D0 (en) Push-button key switches
HK1007831A1 (en) Keyboard switch
EP0410281A3 (en) Push button switch or key switch
EP0450319A3 (en) Push-button switch
GB8815221D0 (en) Push-button switch

Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)