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BR7805287A - KEYBOARD FOR TELECOMMUNICATION SYSTEMS - Google Patents

KEYBOARD FOR TELECOMMUNICATION SYSTEMS

Info

Publication number
BR7805287A
BR7805287A BR7805287A BR7805287A BR7805287A BR 7805287 A BR7805287 A BR 7805287A BR 7805287 A BR7805287 A BR 7805287A BR 7805287 A BR7805287 A BR 7805287A BR 7805287 A BR7805287 A BR 7805287A
Authority
BR
Brazil
Prior art keywords
keyboard
telecommunication systems
telecommunication
systems
Prior art date
Application number
BR7805287A
Other languages
Portuguese (pt)
Inventor
S Fare
E Marcotti
Original Assignee
Siemens Spa Italiana
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 Spa Italiana filed Critical Siemens Spa Italiana
Publication of BR7805287A publication Critical patent/BR7805287A/en

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
    • H01H13/02—Details
    • H01H13/12—Movable parts; Contacts mounted thereon
    • 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
BR7805287A 1977-09-12 1978-08-17 KEYBOARD FOR TELECOMMUNICATION SYSTEMS BR7805287A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2743877A IT1114143B (en) 1977-09-12 1977-09-12 KEYBOARD FOR TELECOMMUNICATIONS SYSTEMS

Publications (1)

Publication Number Publication Date
BR7805287A true BR7805287A (en) 1979-04-17

Family

ID=11221641

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7805287A BR7805287A (en) 1977-09-12 1978-08-17 KEYBOARD FOR TELECOMMUNICATION SYSTEMS

Country Status (3)

Country Link
BR (1) BR7805287A (en)
DE (1) DE2839630A1 (en)
IT (1) IT1114143B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2935557C2 (en) * 1979-09-03 1983-03-31 Telefonbau Und Normalzeit Gmbh, 6000 Frankfurt Pressure switches for communications engineering.
US5703758A (en) * 1996-09-13 1997-12-30 Ericsson Inc. Electronic device casing including living spring button and method

Also Published As

Publication number Publication date
IT1114143B (en) 1986-01-27
DE2839630A1 (en) 1979-04-12

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