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BE879469A - Transmetteur d'appel a boutons-poussoirs - Google Patents

Transmetteur d'appel a boutons-poussoirs

Info

Publication number
BE879469A
BE879469A BE2/58141A BE2058141A BE879469A BE 879469 A BE879469 A BE 879469A BE 2/58141 A BE2/58141 A BE 2/58141A BE 2058141 A BE2058141 A BE 2058141A BE 879469 A BE879469 A BE 879469A
Authority
BE
Belgium
Prior art keywords
push
call transmitter
button call
button
transmitter
Prior art date
Application number
BE2/58141A
Other languages
English (en)
Inventor
J Scott
Original Assignee
Gte Automatic Electric Lab Inc
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 Gte Automatic Electric Lab Inc filed Critical Gte Automatic Electric Lab Inc
Publication of BE879469A publication Critical patent/BE879469A/fr

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
    • H01H13/7013—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 in which the movable contacts of each switch site or of a row of switch sites are formed in a single plate
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2239/00—Miscellaneous
    • H01H2239/038—Anti-vandalism
BE2/58141A 1978-12-29 1979-10-18 Transmetteur d'appel a boutons-poussoirs BE879469A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/974,398 US4192976A (en) 1978-12-29 1978-12-29 Pushbutton call transmitter

Publications (1)

Publication Number Publication Date
BE879469A true BE879469A (fr) 1980-02-15

Family

ID=25521992

Family Applications (1)

Application Number Title Priority Date Filing Date
BE2/58141A BE879469A (fr) 1978-12-29 1979-10-18 Transmetteur d'appel a boutons-poussoirs

Country Status (4)

Country Link
US (1) US4192976A (fr)
BE (1) BE879469A (fr)
CA (1) CA1134084A (fr)
IT (1) IT1126656B (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS562037A (en) * 1979-06-21 1981-01-10 Anritsu Corp Multi-item information input unit
US4341934A (en) * 1980-11-21 1982-07-27 The Keyboard Company Actuator for keyboard switches
FR2529010B1 (fr) * 1982-06-22 1985-11-15 Serras Paulet Edouard Clavier a touches enfoncables
DE3617734A1 (de) * 1986-05-27 1987-12-03 Siemens Ag Vorrichtung zum schutz von elektrischen geraeten und der bedienungsperson bei hoher elektrostatischer aufladung der bedienungsperson
AU2831797A (en) * 1996-05-06 1997-11-26 Robert P. Nash Telephone with detachable remote keypad
DE10113031B4 (de) * 2001-03-17 2004-02-19 Cimosys Ltd., St. Helier Elektromotorischer Möbelantrieb zur Verstellung von Teilen eines Möbels relativ zueinender
MX2017013548A (es) 2015-04-20 2018-07-06 Lutron Electronics Co Dispositivos de control que tienen botones suspendidos independientemente para su accionamiento controlado.
CN117912905B (zh) * 2024-03-18 2024-05-24 浙江淳高电气有限公司 一种便于维修的电气防火限流式保护器

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT972200B (it) * 1972-10-16 1974-05-20 Sits Soc It Telecom Siemens Tastiera per un dispositivo di se lezione per sistemi di telecomuni cazioni
US3800104A (en) * 1972-11-13 1974-03-26 Becton Dickinson Co Low profile keyboard switch assembly with snap action cantilever contact
US4074088A (en) * 1974-05-21 1978-02-14 Texas Instruments Incorporated Keyboard apparatus and method of making
US3909564A (en) * 1974-08-08 1975-09-30 Amp Inc Keyboard assembly with foldable printed circuit matrix switch array, and key actuator locking slide plate
US4005293A (en) * 1974-11-29 1977-01-25 Texas Instruments Incorporated Pushbutton keyboard switch assembly having individual concave-convex contacts integrally attached to conductor strips
FR2321150A1 (fr) * 1975-08-11 1977-03-11 Ibm France Clavier
US4129763A (en) * 1977-02-08 1978-12-12 Alps Electric Co., Ltd. Push button switch assembly

Also Published As

Publication number Publication date
IT1126656B (it) 1986-05-21
IT7928308A0 (it) 1979-12-21
CA1134084A (fr) 1982-10-19
US4192976A (en) 1980-03-11

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: GTE AUTOMATIC ELECTRIC LABORATORIES INC.

Effective date: 19891031