FR2369624A1 - Clavier selecteur avec blocage des premiers chiffres - Google Patents

Clavier selecteur avec blocage des premiers chiffres

Info

Publication number
FR2369624A1
FR2369624A1 FR7732521A FR7732521A FR2369624A1 FR 2369624 A1 FR2369624 A1 FR 2369624A1 FR 7732521 A FR7732521 A FR 7732521A FR 7732521 A FR7732521 A FR 7732521A FR 2369624 A1 FR2369624 A1 FR 2369624A1
Authority
FR
France
Prior art keywords
selector
selector keyboard
digit lock
digit
keyboard
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.)
Pending
Application number
FR7732521A
Other languages
English (en)
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.)
ELMEG Elektro Mechanik GmbH
Original Assignee
ELMEG Elektro Mechanik GmbH
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 Elektro Mechanik GmbH filed Critical ELMEG Elektro Mechanik GmbH
Publication of FR2369624A1 publication Critical patent/FR2369624A1/fr
Pending 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
    • H01H13/72—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

Landscapes

  • Push-Button Switches (AREA)
  • Input From Keyboards Or The Like (AREA)

Abstract

a. Clavier sélecteur avec blocage des premiers chiffres. b. Clavier sélecteur caractérise en ce que chaque touche à bloquer, munie d'un premier chiffre, porte une tige de blocage et en ce qu'il est prévu une autre tige de blocage qui peut être déplacée, par l'intermédiaire d'un dispositif de manoeuvre. c. L'invention s'applique aux claviers d'appareils téléphoniques.
FR7732521A 1976-10-27 1977-10-27 Clavier selecteur avec blocage des premiers chiffres Pending FR2369624A1 (fr)

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
FR2369624A1 true FR2369624A1 (fr) 1978-05-26

Family

ID=5991559

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7732521A Pending FR2369624A1 (fr) 1976-10-27 1977-10-27 Clavier selecteur avec blocage des premiers chiffres

Country Status (4)

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

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

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1556552A (fr) * 1967-02-22 1969-02-07
DE1293864B (de) * 1967-05-31 1969-04-30 Siemens Ag Waehltastatur mit Fernwahlsperre
US3845255A (en) * 1973-12-19 1974-10-29 Elmeg Keyboard switch assembly with ball and slider interlock mechanism
US3873781A (en) * 1973-02-16 1975-03-25 Electronic Arrays Prevention of unauthorized use of telephone
DE2536043A1 (de) * 1975-08-13 1977-02-17 Elmeg Wahltastatur mit kugelsperrung

Family Cites Families (5)

* 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
US3551611A (en) * 1969-01-21 1970-12-29 Gerald A Fechner Switch mechanism
US3903381A (en) * 1973-08-02 1975-09-02 Bosse Telefonbau Gmbh Key selector switch for telephone sets
US4022992A (en) * 1976-05-21 1977-05-10 Kennedy Austin R Q Phone guard for locking out long-distance calls

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1556552A (fr) * 1967-02-22 1969-02-07
DE1293864B (de) * 1967-05-31 1969-04-30 Siemens Ag Waehltastatur mit Fernwahlsperre
US3873781A (en) * 1973-02-16 1975-03-25 Electronic Arrays Prevention of unauthorized use of telephone
US3845255A (en) * 1973-12-19 1974-10-29 Elmeg Keyboard switch assembly with ball and slider interlock mechanism
DE2536043A1 (de) * 1975-08-13 1977-02-17 Elmeg Wahltastatur mit kugelsperrung

Also Published As

Publication number Publication date
SE7711674L (sv) 1978-04-28
DE2648679B1 (de) 1978-03-16
US4140883A (en) 1979-02-20
DE2648679C2 (de) 1978-11-16

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