Trimming resistor network

Details Trimming resistor network Trimming resistor network

1989-02-03

1990-03-06

Reynolds, Bruce A.

Electrical resistors

Mechanically variable

Resistance value varied by removing or adding material

21912168, H01C 1000

Patent

active

049069667

ABSTRACT:
A trimming resistor network includes first and second external connection terminals, a first resistor having two ends acting as first and second connection terminals, a first coupling body for connecting the first external connection terminal to the first connection terminal via series-connected resistors, a second coupling body for connecting the second external connection terminal to the second connection terminal directly or via series-connected resistors, and parallel trimming resistors having two ends respectively connected to the first and second coupling bodies. The combined resistance between the first and second external connection terminals is increased by substantially a preset amount each time one of the parallel trimming resistors is cut off.

REFERENCES:
patent: 2758256 (1956-08-01), Eisler
patent: 3431640 (1969-03-01), Larsson
patent: 3916142 (1975-10-01), Ennis
patent: 3983528 (1976-09-01), King
patent: 4338590 (1982-07-01), Connolly, Jr. et al.
patent: 4364006 (1982-12-01), Makabe et al.

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