SE7711674L - Veljartangentbord - Google Patents

Veljartangentbord

Info

Publication number
SE7711674L
SE7711674L SE7711674A SE7711674A SE7711674L SE 7711674 L SE7711674 L SE 7711674L SE 7711674 A SE7711674 A SE 7711674A SE 7711674 A SE7711674 A SE 7711674A SE 7711674 L SE7711674 L SE 7711674L
Authority
SE
Sweden
Prior art keywords
selection keyboard
keyboard
selection
Prior art date
Application number
SE7711674A
Other languages
English (en)
Inventor
A Zielke
Original Assignee
Elmeg
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 Elmeg filed Critical Elmeg
Publication of SE7711674L publication Critical patent/SE7711674L/sv

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
    • H01H13/72—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 wherein the switch has means for limiting the number of operating members that can concurrently be in the actuated position
    • H01H13/74—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 wherein the switch has means for limiting the number of operating members that can concurrently be in the actuated position each contact set returning to its original state only upon actuation of another of the operating members
SE7711674A 1976-10-27 1977-10-17 Veljartangentbord SE7711674L (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2648679A DE2648679C2 (de) 1976-10-27 1976-10-27 Wahltastatur mit Erstziffernsperrung

Publications (1)

Publication Number Publication Date
SE7711674L true SE7711674L (sv) 1978-04-28

Family

ID=5991559

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7711674A SE7711674L (sv) 1976-10-27 1977-10-17 Veljartangentbord

Country Status (4)

Country Link
US (1) US4140883A (sv)
DE (1) DE2648679C2 (sv)
FR (1) FR2369624A1 (sv)
SE (1) SE7711674L (sv)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2709227A1 (de) * 1977-03-03 1978-09-07 Elmeg Mechanisch kodierende wahltastatur
DE2727433A1 (de) * 1977-06-18 1979-01-04 Elmeg Mechanisch kodierende wahltastatur
US4679645A (en) * 1985-02-27 1987-07-14 Galloway James J Mechanical device for transmitting signals through a swivel connection
US4827440A (en) * 1987-05-29 1989-05-02 Wathor J Douglas Lockout for terminal keys

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US679310A (en) * 1899-02-16 1901-07-30 Gen Electric Signal system.
US3470322A (en) * 1966-08-12 1969-09-30 Charles F Rice Combination conference connection and call transfer device for telephone subscriber lines
GB1200187A (en) * 1967-02-22 1970-07-29 Electronic Components Ltd Improvements in or relating to push button electrical switches
DE1293864B (de) * 1967-05-31 1969-04-30 Siemens Ag Waehltastatur mit Fernwahlsperre
US3551611A (en) * 1969-01-21 1970-12-29 Gerald A Fechner Switch mechanism
US3873781A (en) * 1973-02-16 1975-03-25 Electronic Arrays Prevention of unauthorized use of telephone
US3903381A (en) * 1973-08-02 1975-09-02 Bosse Telefonbau Gmbh Key selector switch for telephone sets
US3845255A (en) * 1973-12-19 1974-10-29 Elmeg Keyboard switch assembly with ball and slider interlock mechanism
DE2536043C3 (de) * 1975-08-13 1978-12-14 Elmeg-Elektro-Mechanik Gmbh, 3150 Peine Drucktastensperre für in zwei Dimensionen verteilte Tasten eines Tastenfeldes
US4022992A (en) * 1976-05-21 1977-05-10 Kennedy Austin R Q Phone guard for locking out long-distance calls

Also Published As

Publication number Publication date
US4140883A (en) 1979-02-20
DE2648679C2 (de) 1978-11-16
FR2369624A1 (fr) 1978-05-26
DE2648679B1 (de) 1978-03-16

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