Glass membrane touch-controlled circuit apparatus for voltage se

Details Glass membrane touch-controlled circuit apparatus for voltage se Glass membrane touch-controlled circuit apparatus for voltage se

1989-11-13

1990-12-04

Reynolds, Bruce A.

Electrical resistors

Mechanically variable

Deformable

338 99, 200 5A, H01C 1010

Patent

active

049756761

ABSTRACT:
A glass membrane touch-controlled circuit apparatus for voltage selection. The apparatus has a flexible glass membrane which is spaced by a dielectric layer adhesively joined between the upper flexible glass membrane and a lower, rigid support layer. Conductive circuitry is printed onto the surface of the upper flexible glass membrane and corresponding areas of conductive and/or resistive circuitry are printed onto the lower support layer. By application of tactile pressure to the upper flexible glass membrane, the conductive circuitry printed onto the flexible glass membrane can be moved into a point of momentary contact with the circuitry carried on the lower support layer.

REFERENCES:
patent: 4194099 (1980-03-01), Mickelson
patent: 4218603 (1980-08-01), Satoh
patent: 4220815 (1980-02-01), Gibson et al.
patent: 4250495 (1981-02-01), Beckerman et al.
patent: 4310839 (1982-01-01), Schwerdt

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