Capacitive switching assembly

A capacitance change switch with a resiliently deformable conductive pad compressible against a dielectric coating on the surface of a pair of spaced coplanar thin foil plates formed on a refractory substrate. The pad forms with the plates a pair of capacitors electrically in series. User movement o...

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Main Authors HUBBELL; RUTH E, WICKERT; DOUGLAS E, LEVEQUE; DENIS J, TARANOWSKI; MICHAEL G, LARSEN; MICHAEL R
Format Patent
LanguageEnglish
Published 24.09.1996
Edition6
Subjects
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Abstract A capacitance change switch with a resiliently deformable conductive pad compressible against a dielectric coating on the surface of a pair of spaced coplanar thin foil plates formed on a refractory substrate. The pad forms with the plates a pair of capacitors electrically in series. User movement of an actuator causes pad compression and a significant electrically detectible change in capacitance for effecting a switching function. In one embodiment the pad is formed of conductive elastomer and in another embodiment the pad is formed of non-conductive elastomer with a conductive foil covering.
AbstractList A capacitance change switch with a resiliently deformable conductive pad compressible against a dielectric coating on the surface of a pair of spaced coplanar thin foil plates formed on a refractory substrate. The pad forms with the plates a pair of capacitors electrically in series. User movement of an actuator causes pad compression and a significant electrically detectible change in capacitance for effecting a switching function. In one embodiment the pad is formed of conductive elastomer and in another embodiment the pad is formed of non-conductive elastomer with a conductive foil covering.
Author LEVEQUE; DENIS J
TARANOWSKI; MICHAEL G
HUBBELL; RUTH E
WICKERT; DOUGLAS E
LARSEN; MICHAEL R
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Snippet A capacitance change switch with a resiliently deformable conductive pad compressible against a dielectric coating on the surface of a pair of spaced coplanar...
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SubjectTerms BASIC ELECTRIC ELEMENTS
BASIC ELECTRONIC CIRCUITRY
ELECTRIC SWITCHES
ELECTRICITY
EMERGENCY PROTECTIVE DEVICES
PULSE TECHNIQUE
RELAYS
SELECTORS
Title Capacitive switching assembly
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