Continuously variable capacitive switch

Details Continuously variable capacitive switch Continuously variable capacitive switch

1996-03-04

1998-06-16

Kincaid, Kristine P.

Electricity: electrical systems and devices

Electrostatic capacitors

Variable

361288, 361320, 3613213, 361292, 361323, H01G 500

Patent

active

057680884

ABSTRACT:
A multiple position or continuously variable capacitive switch which operates by producing a series of discernable changes in the capacitance between a pair of conductors (14,16) disposed in a spaced coplanar relationship on a surface of a non-conductive substrate (12). A dielectric layer (18) is applied over the conductors (14,16) and exposed areas of the substrate (12) surface. A resilient conductive pad (20) is positioned atop the dielectric layer (18) and a user movable actuator (28) is moved to controllably increase the capacitance between the conductors (14,16) by creating progressively greater areas of compression between conductive pad (20) and dielectric layer (18).

REFERENCES:
patent: 5559665 (1996-09-01), Taranowski et al.

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