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1. (WO1991009410) ALL PRESSURE SWITCH
Latest bibliographic data on file with the International Bureau

Pub. No.: WO/1991/009410 International Application No.: PCT/CA1990/000428
Publication Date: 27.06.1991 International Filing Date: 03.12.1990
Chapter 2 Demand Filed: 12.07.1991
IPC:
H01H 13/702 (2006.01)
H ELECTRICITY
01
BASIC ELECTRIC ELEMENTS
H
ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
13
Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
70
having a plurality of operating members associated with different sets of contacts, e.g. keyboard
702
with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches
Applicants:
RANETKINS, Val [CA/CA]; CA
Inventors:
RANETKINS, Val; CA
Agent:
SHER, Melvin ; Swabey Ogilvy Renault Suite 800 1001 de Maisonneuve Blvd. West Montreal, Quebec H3A 3C8, CA
Priority Data:
451,51115.12.1989US
Title (EN) ALL PRESSURE SWITCH
(FR) INTERRUPEUR TOUTES PRESSIONS
Abstract:
(EN) Conductive pads (15, 17) are disposed in a housing (3) filled with a degassed, non-compressible, electrically insulating fluid. One of the pads (17) is mounted on the underside of a push-button (16), and the push-button is surrounded by a flexible membrane (11) which closes one end of the housing (3). When the push-button (16) is pressed, the fluid between the conductive pads (15, 17) is displaced, and the membrane (11) stretches sufficiently to accommodate the displaced fluid.
(FR) Des pastilles conductrices (15, 17) sont disposées dans un logement (3) rempli d'un fluide dégazé non compressible électro-isolant. L'une des pastilles (17) est montée sur la face inférieure d'un bouton-poussoir (16), lequel est entouré par une membrane flexible (11) qui ferme l'une des extrémités du logement (3). Lorsqu'on applique une pression sur le bouton-poussoir (16), le fluide compris entre les pastilles conductrices (15, 17) se déplace, et la membrane (11) s'étire suffisamment pour recevoir le volume de fluide ainsi déplacé.
Designated States: AU, JP
European Patent Office (AT, BE, CH, DE, DK, ES, FR, GB, GR, IT, LU, NL, SE)
Publication Language: English (EN)
Filing Language: English (EN)
Also published as:
EP0505380AU1990067517