FR1299124A - Dispositif destiné à empêcher l'enfoncement simultané de deux touches de boutons poussoirs dans un ensemble à clavier - Google Patents

Dispositif destiné à empêcher l'enfoncement simultané de deux touches de boutons poussoirs dans un ensemble à clavier

Info

Publication number
FR1299124A
FR1299124A FR864530A FR864530A FR1299124A FR 1299124 A FR1299124 A FR 1299124A FR 864530 A FR864530 A FR 864530A FR 864530 A FR864530 A FR 864530A FR 1299124 A FR1299124 A FR 1299124A
Authority
FR
France
Prior art keywords
prevent
device intended
keyboard assembly
simultaneous depression
pushbutton keys
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.)
Expired
Application number
FR864530A
Other languages
English (en)
Inventor
Roger Mougel
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.)
APPLIC MECANIQUES ET ELECTR AM
Original Assignee
APPLIC MECANIQUES ET ELECTR AM
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 APPLIC MECANIQUES ET ELECTR AM filed Critical APPLIC MECANIQUES ET ELECTR AM
Priority to FR864530A priority Critical patent/FR1299124A/fr
Application granted granted Critical
Publication of FR1299124A publication Critical patent/FR1299124A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J5/00—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner
    • H03J5/02—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with variable tuning element having a number of predetermined settings and adjustable to a desired one of these settings
    • H03J5/04—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with variable tuning element having a number of predetermined settings and adjustable to a desired one of these settings operated by hand
    • H03J5/12—Settings determined by a number of separately-actuated driving means which adjust the tuning element directly to desired settings
    • 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
FR864530A 1961-06-10 1961-06-10 Dispositif destiné à empêcher l'enfoncement simultané de deux touches de boutons poussoirs dans un ensemble à clavier Expired FR1299124A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR864530A FR1299124A (fr) 1961-06-10 1961-06-10 Dispositif destiné à empêcher l'enfoncement simultané de deux touches de boutons poussoirs dans un ensemble à clavier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR864530A FR1299124A (fr) 1961-06-10 1961-06-10 Dispositif destiné à empêcher l'enfoncement simultané de deux touches de boutons poussoirs dans un ensemble à clavier

Publications (1)

Publication Number Publication Date
FR1299124A true FR1299124A (fr) 1962-07-20

Family

ID=8756969

Family Applications (1)

Application Number Title Priority Date Filing Date
FR864530A Expired FR1299124A (fr) 1961-06-10 1961-06-10 Dispositif destiné à empêcher l'enfoncement simultané de deux touches de boutons poussoirs dans un ensemble à clavier

Country Status (1)

Country Link
FR (1) FR1299124A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3249705A (en) * 1963-07-29 1966-05-03 Korry Mfg Co Latchable spring returned push-toactuate and pull-to-remove switch means
FR2401455A1 (fr) * 1977-08-26 1979-03-23 Trw Inc

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3249705A (en) * 1963-07-29 1966-05-03 Korry Mfg Co Latchable spring returned push-toactuate and pull-to-remove switch means
FR2401455A1 (fr) * 1977-08-26 1979-03-23 Trw Inc

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