Multi-stage switching apparatus

Details Multi-stage switching apparatus Multi-stage switching apparatus

1975-08-01

1976-08-10

Albritton, C. L.

Electrical resistors

Mechanically variable

Deformable

338 99, 338100, H01C 1300

Patent

active

039744701

ABSTRACT:
A multi-stage switching apparatus adapted to make and break an electrical circuit comprises a first compressible body having a resistance which varies inversely according to its state of compression and a second compressible body having a substantially uniform resistance lower than that of the first body, the two bodies being so arranged that the first body is compressed prior to compression of the second body in response to making of the circuit and is decompressed following decompression of the first body in response to breaking of the circuit.

REFERENCES:
patent: 2596420 (1952-05-01), McGarvey
patent: 3386067 (1968-05-01), Costanzo

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