Electrical circuit testing

Details Electrical circuit testing Electrical circuit testing

1979-12-21

1981-11-17

Krawczewicz, Stanley T.

Electricity: measuring and testing

Conductor identification or location

Inaccessible

324 73PC, 324158D, G01R 2702

Patent

active

043014038

ABSTRACT:
A method of testing operation of an electrical circuit involves supplying a test signal to circuit terminals (1 to 4), which signal may be a pulsed signal, to the circuit, thereby to switch off a switch component (ZD1). When the circuit is in this condition, further test signals may be applied to the terminals (1 to 4) to test operation of other circuit components (11, 12, 13, ZD2). The method is particularly applicable to circuits, e.g. diode safety barriers, that are encapsulated and require testing after encapsulation, when only terminals (1 to 4) are exposed for connection into an external circuit.

REFERENCES:
patent: 3956698 (1976-05-01), Malmberg
patent: 4197652 (1979-12-01), Davis
patent: 4216424 (1980-08-01), Vette

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