BE829525A - ELECTRIC SWITCH FOR LOW CURRENT ELECTRICAL CIRCUIT - Google Patents

ELECTRIC SWITCH FOR LOW CURRENT ELECTRICAL CIRCUIT

Info

Publication number
BE829525A
BE829525A BE156736A BE156736A BE829525A BE 829525 A BE829525 A BE 829525A BE 156736 A BE156736 A BE 156736A BE 156736 A BE156736 A BE 156736A BE 829525 A BE829525 A BE 829525A
Authority
BE
Belgium
Prior art keywords
electrical circuit
low current
electric switch
current electrical
switch
Prior art date
Application number
BE156736A
Other languages
French (fr)
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
Priority claimed from IT6865574A external-priority patent/IT1011886B/en
Application filed filed Critical
Publication of BE829525A publication Critical patent/BE829525A/en

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14—Circuit arrangements
    • H05B41/30—Circuit arrangements in which the lamp is fed by pulses, e.g. flash lamp
    • H05B41/34—Circuit arrangements in which the lamp is fed by pulses, e.g. flash lamp to provide a sequence of flashes
    • 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
    • H01H13/702—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 with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches
    • 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
    • H01H13/702—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 with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches
    • H01H13/703—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 with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches characterised by spacers between contact carrying layers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2211/00—Spacers
    • H01H2211/026—Spacers without separate element
    • H01H2211/028—Contacts in depressions of layers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2229/00—Manufacturing
    • H01H2229/024—Packing between substrate and membrane
    • H01H2229/028—Adhesive
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2231/00—Applications
    • H01H2231/036—Radio; TV
BE156736A 1974-05-28 1975-05-27 ELECTRIC SWITCH FOR LOW CURRENT ELECTRICAL CIRCUIT BE829525A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT6865574A IT1011886B (en) 1974-05-28 1974-05-28 ELECTRICAL PRESSURE CONTROL DEVICE
NL7500242A NL7500242A (en) 1974-05-28 1975-01-08 SHORT INTERVAL FLASH WITH A FLASH TUBE.

Publications (1)

Publication Number Publication Date
BE829525A true BE829525A (en) 1975-09-15

Family

ID=26329919

Family Applications (1)

Application Number Title Priority Date Filing Date
BE156736A BE829525A (en) 1974-05-28 1975-05-27 ELECTRIC SWITCH FOR LOW CURRENT ELECTRICAL CIRCUIT

Country Status (4)

Country Link
BE (1) BE829525A (en)
DE (1) DE2523514A1 (en)
FR (1) FR2273360A1 (en)
NL (2) NL7500242A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54101176A (en) * 1978-01-26 1979-08-09 Shinetsu Polymer Co Contact member for push switch
US4264797A (en) * 1980-01-21 1981-04-28 W. H. Brady Co. Elongated key membrane switch
EP0408401B1 (en) * 1982-07-22 1995-03-22 Texas Instruments Incorporated A keyboard for an electronic apparatus
JPS59181428A (en) * 1983-03-31 1984-10-15 キヤノン株式会社 Panel switch

Also Published As

Publication number Publication date
DE2523514A1 (en) 1975-12-11
NL7500242A (en) 1976-07-12
NL7506242A (en) 1975-12-02
FR2273360A1 (en) 1975-12-26
FR2273360B1 (en) 1979-03-30

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: SOCIATA ITALIANA PER LO SVILUPPO DELL'ELECTRONICA

Effective date: 19870531