Adjustment process of an electronic trip device

Details Adjustment process of an electronic trip device Adjustment process of an electronic trip device

1992-07-15

1994-03-01

Albritton, C. L.

Electric heating

Metal heating

By arc

B23K 2600

Patent

active

052909913

ABSTRACT:
The passive components of the analog channel of the trip device are achieved by serigraphy on a thick layered hybrid circuit. Adjustment, by laser, of the value of an offset voltage compensating resistance and of a measuring resistance enables the offset voltage and gain of the channel to be adjusted with precision.

REFERENCES:
patent: 3916142 (1975-10-01), Ennis
patent: 4207536 (1980-06-01), Lewis
patent: 4381441 (1983-04-01), Desmarais et al.
patent: 5027060 (1991-06-01), Fraisse

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