GB2144270B - A switching contact arrangement' in particular for keyboards - Google Patents

A switching contact arrangement' in particular for keyboards

Info

Publication number
GB2144270B
GB2144270B GB08416226A GB8416226A GB2144270B GB 2144270 B GB2144270 B GB 2144270B GB 08416226 A GB08416226 A GB 08416226A GB 8416226 A GB8416226 A GB 8416226A GB 2144270 B GB2144270 B GB 2144270B
Authority
GB
United Kingdom
Prior art keywords
keyboards
switching contact
contact arrangement
arrangement
switching
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
GB08416226A
Other versions
GB2144270A (en
GB8416226D0 (en
Inventor
Horst Hoffmann
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.)
Wilhelm Ruf KG
Original Assignee
Wilhelm Ruf KG
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
Priority claimed from DE3327130A external-priority patent/DE3327130C1/en
Priority claimed from GB838320557A external-priority patent/GB8320557D0/en
Application filed by Wilhelm Ruf KG filed Critical Wilhelm Ruf KG
Publication of GB8416226D0 publication Critical patent/GB8416226D0/en
Publication of GB2144270A publication Critical patent/GB2144270A/en
Application granted granted Critical
Publication of GB2144270B publication Critical patent/GB2144270B/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
    • 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
    • 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
    • H01H13/703—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 characterised by spacers between contact carrying layers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2207/00—Connections
    • H01H2207/016—Jumpers; Cross-overs
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2211/00—Spacers
    • H01H2211/026—Spacers without separate element
    • H01H2211/034—Fixed contacts on different planes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2227/00—Dimensions; Characteristics
    • H01H2227/018—Printed contacts; Metal foil
GB08416226A 1983-07-27 1984-06-26 A switching contact arrangement' in particular for keyboards Expired GB2144270B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3327130A DE3327130C1 (en) 1983-07-27 1983-07-27 Switch contact arrangement, especially for keypads
GB838320557A GB8320557D0 (en) 1983-07-29 1983-07-29 Electroluminescent device

Publications (3)

Publication Number Publication Date
GB8416226D0 GB8416226D0 (en) 1984-08-01
GB2144270A GB2144270A (en) 1985-02-27
GB2144270B true GB2144270B (en) 1987-11-04

Family

ID=25812670

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08416226A Expired GB2144270B (en) 1983-07-27 1984-06-26 A switching contact arrangement' in particular for keyboards

Country Status (1)

Country Link
GB (1) GB2144270B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2285339A (en) * 1993-12-30 1995-07-05 Silitek Corp Membrane switch and method for making membrane switch

Also Published As

Publication number Publication date
GB2144270A (en) 1985-02-27
GB8416226D0 (en) 1984-08-01

Similar Documents

Publication Publication Date Title
GB2158313B (en) A switching circuit
DE3464103D1 (en) Contact arrangement for a vacuum switch
GB2169143B (en) Switch
ZA856654B (en) Gas-blast switch
GB2163295B (en) Electrical contact arrangement for a key switch
GB8407158D0 (en) Braidless movable contact
EP0126484A3 (en) Time switch in a time division switching network
GB8706278D0 (en) Switch
DE3461965D1 (en) Contact arrangement for vacuum switch
GB2183095B (en) A contact breaker
GB2163294B (en) A sliding switch unit
DE3572250D1 (en) Gas-blast switch
DE3469637D1 (en) Contact arrangement for a vacuum switch
DE3568902D1 (en) Contact arrangement for a vacuum switch
GB2144270B (en) A switching contact arrangement' in particular for keyboards
HUT37471A (en) Switch
DE3571362D1 (en) Switch contact for a vacuum switch
GB2146292B (en) Keyboard switch
GB2154369B (en) Switching mechanism
GB8423574D0 (en) Switch
DE3565190D1 (en) Gas-blast switch
DE3572077D1 (en) Switch arrangement
GB2145287B (en) A time switch
GB8521984D0 (en) Interrupter contacts
GB2208755B (en) A limit switch

Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19930626