IN161915B - - Google Patents

Info

Publication number
IN161915B
IN161915B IN936/CAL/85A IN936CA1985A IN161915B IN 161915 B IN161915 B IN 161915B IN 936CA1985 A IN936CA1985 A IN 936CA1985A IN 161915 B IN161915 B IN 161915B
Authority
IN
India
Application number
IN936/CAL/85A
Other languages
English (en)
Inventor
Reinhold Heiss
Rudolf Wachtler
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Publication of IN161915B publication Critical patent/IN161915B/en

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/70Switches 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
    • H01H13/78Switches 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
    • H01H13/785Switches 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
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/70Switches 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
    • H01H13/702Switches 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
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2201/00Contacts
    • H01H2201/022Material
    • H01H2201/03Composite
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2203/00Form of contacts
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2229/00Manufacturing
    • H01H2229/002Screen printing
IN936/CAL/85A 1985-02-28 1985-12-30 IN161915B (el)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3507120 1985-02-28

Publications (1)

Publication Number Publication Date
IN161915B true IN161915B (el) 1988-02-27

Family

ID=6263814

Family Applications (1)

Application Number Title Priority Date Filing Date
IN936/CAL/85A IN161915B (el) 1985-02-28 1985-12-30

Country Status (9)

Country Link
EP (1) EP0193173A3 (el)
JP (1) JPS61253726A (el)
CN (1) CN86100121A (el)
AU (1) AU5413786A (el)
BR (1) BR8600830A (el)
DE (1) DE8505750U1 (el)
FI (1) FI860849A (el)
IN (1) IN161915B (el)
ZA (1) ZA861463B (el)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3623293C2 (de) * 1986-07-10 1995-09-07 Hagen Uwe Mehrteilige Flachelektrode, insbesondere für die HF-Chirurgie
DE3714316A1 (de) * 1987-04-29 1988-11-10 Siemens Ag Kontaktmatte fuer tasten und tastaturen
JP2003205072A (ja) * 2002-01-11 2003-07-22 Fuji Shoji:Kk スロットマシン
JP6992267B2 (ja) * 2017-03-24 2022-01-13 ヤマハ株式会社 鍵盤装置用スイッチング装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3676607A (en) * 1969-11-25 1972-07-11 Bell Telephone Labor Inc Pushbutton telephone dial
US3653038A (en) * 1970-02-20 1972-03-28 United Bank Of Denver National Capacitive electric signal device and keyboard using said device
US4243852A (en) * 1979-04-16 1981-01-06 Oak Industries Inc. Membrane switch with means for impeding silver migration
GB2076193B (en) * 1980-05-15 1983-06-08 Standard Telephones Cables Ltd Keyboards
US4440990A (en) * 1982-05-19 1984-04-03 Smk Electronics Corporation, Usa Membrane keyboard assembly
US4458969A (en) * 1982-12-06 1984-07-10 Dorman-Bogdonoff Corporation Membrane switch with means for preventing silver migration

Also Published As

Publication number Publication date
BR8600830A (pt) 1986-11-11
EP0193173A3 (de) 1988-11-30
ZA861463B (en) 1986-10-29
AU5413786A (en) 1986-09-04
EP0193173A2 (de) 1986-09-03
JPS61253726A (ja) 1986-11-11
DE8505750U1 (de) 1986-08-21
CN86100121A (zh) 1986-08-27
FI860849A0 (fi) 1986-02-27
FI860849A (fi) 1986-08-29

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