Reverse/forward bias tester for relay and diode packages

Details Reverse/forward bias tester for relay and diode packages Reverse/forward bias tester for relay and diode packages

1993-08-11

1995-06-27

O'Shea, Sandra L.

Electricity: measuring and testing

Electromechanical switching device

Relay

324556, 324538, 324133, G01R 3102, G01R 1914

Patent

active

054282942

ABSTRACT:
A tester for individually testing diode packages, double pole relays and single pole relays includes a circuit contained within a housing, which circuit connects the diode package or relay being tested to a source of 12-volt direct current and transmits the direct current through the diode package, or relay, to an array of indicator lamps under the control of one normally open and two normally closed switches. A forward and reverse bias switch controls the direction of current through the diodes of the diode package and the internal diode of the relays to determine if the diodes and internal diode are oriented properly and conduct current properly.

REFERENCES:
patent: 2432092 (1947-12-01), Ferrell
patent: 2478946 (1949-08-01), Rose
patent: 3579102 (1971-05-01), Keating
patent: 4173735 (1979-11-01), Merchant
patent: 4686478 (1987-08-01), Jabs
patent: 5065101 (1991-11-01), Ledbetter

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