EP0637830A3 - Electrical switch having interdigitated and through poles. - Google Patents

Electrical switch having interdigitated and through poles. Download PDF

Info

Publication number
EP0637830A3
EP0637830A3 EP94302841A EP94302841A EP0637830A3 EP 0637830 A3 EP0637830 A3 EP 0637830A3 EP 94302841 A EP94302841 A EP 94302841A EP 94302841 A EP94302841 A EP 94302841A EP 0637830 A3 EP0637830 A3 EP 0637830A3
Authority
EP
European Patent Office
Prior art keywords
interdigitated
poles
electrical switch
switch
electrical
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Withdrawn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
EP94302841A
Other languages
German (de)
French (fr)
Other versions
EP0637830A2 (en
Inventor
Yoshio Shimono
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.)
Fluke Corp
Original Assignee
Fluke Corp
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 Fluke Corp filed Critical Fluke Corp
Publication of EP0637830A2 publication Critical patent/EP0637830A2/en
Publication of EP0637830A3 publication Critical patent/EP0637830A3/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Withdrawn legal-status Critical Current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
    • H01H13/702—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
    • H01H2203/00—Form of contacts
    • H01H2203/02—Interspersed fingers
    • 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
    • H01H2203/042—Form of contacts to solve particular problems to avoid cross-overs
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2225/00—Switch site location
    • H01H2225/006—Switch site location more then one pole
EP94302841A 1993-07-20 1994-04-21 Electrical switch having interdigitated and through poles. Withdrawn EP0637830A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US9511393A 1993-07-20 1993-07-20
US95113 1993-07-20

Publications (2)

Publication Number Publication Date
EP0637830A2 EP0637830A2 (en) 1995-02-08
EP0637830A3 true EP0637830A3 (en) 1995-06-14

Family

ID=22249759

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94302841A Withdrawn EP0637830A3 (en) 1993-07-20 1994-04-21 Electrical switch having interdigitated and through poles.

Country Status (2)

Country Link
EP (1) EP0637830A3 (en)
CA (1) CA2121966A1 (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3688066A (en) * 1970-12-30 1972-08-29 Wild Rover Corp Switch forms for connecting one terminal to a plurality of other terminals
US3761944A (en) * 1971-01-22 1973-09-25 Alps Electric Co Ltd Binary code generator
US4501938A (en) * 1982-04-09 1985-02-26 Alps Electric Co., Ltd. Keyboard switch
US4647729A (en) * 1985-10-04 1987-03-03 Northern Telecom Limited Circuit board with contact positions, as used for telecommunications terminals and other apparatus
US4652704A (en) * 1985-12-30 1987-03-24 Sperry Corporation Keyboard switch

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3688066A (en) * 1970-12-30 1972-08-29 Wild Rover Corp Switch forms for connecting one terminal to a plurality of other terminals
US3761944A (en) * 1971-01-22 1973-09-25 Alps Electric Co Ltd Binary code generator
US4501938A (en) * 1982-04-09 1985-02-26 Alps Electric Co., Ltd. Keyboard switch
US4647729A (en) * 1985-10-04 1987-03-03 Northern Telecom Limited Circuit board with contact positions, as used for telecommunications terminals and other apparatus
US4652704A (en) * 1985-12-30 1987-03-24 Sperry Corporation Keyboard switch

Also Published As

Publication number Publication date
EP0637830A2 (en) 1995-02-08
CA2121966A1 (en) 1995-01-21

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