Bounceless switch apparatus

Details Bounceless switch apparatus Bounceless switch apparatus

1980-04-16

1982-02-09

Albritton, C. L.

Electrical resistors

Mechanically variable

Surfaces pressed together

84DIG7, 338 69, 338114, 338100, H01C 1010, H01C 1012

Patent

active

043152384

ABSTRACT:
A pressure responsive, variable resistance, analog switch has first and second conductors interleaved in spaced-apart relationship and disposed on a base member. An insulative spacer ring is positioned around and rises above the first and second conductors. A resilient cover sheet is attached to the top of the insulative spacer ring in spaced relationship over the conductors to define an enclosure between the resilient cover sheet and the base member. A pressure sensitive resistive conductor composition is disposed on the resilient cover sheet or on the conductors in the enclosure to interconnect a resistance between the first and second conductors when the resilient cover sheet is depressed against the conductors. The amount of resistance so interconnected varies inversely to the amount of pressure exerted.

REFERENCES:
patent: 2042606 (1936-06-01), Kotowski
patent: 3503031 (1970-03-01), Nyhus et al.
patent: 3806471 (1974-04-01), Mitchell
patent: 4054540 (1977-10-01), Michalchik
patent: 4085302 (1978-04-01), Zenk et al.

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