Protector module test set

Details Protector module test set Protector module test set

1975-10-06

1977-01-11

Olms, Douglas W.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Frequency of cyclic current or voltage

324158R, H04M 322

Patent

active

040028615

ABSTRACT:
Generally speaking, the present invention contemplates a module test set in a carry-about case having on the outer side of the case lamps indicating the tip and ring sides and an alarm lamp. The case outer side also has a five prong plug to receive a module for testing and a test switch. The test set is operated by a circuit including a power line plug, an on-off switch, a transformer, tip, alarm, and ring lamp circuits, a module prong receiving receptacle connected to the tip, alarm and ring lamps and a test switch connected to the lamp circuits.

REFERENCES:
patent: 2620379 (1952-12-01), Zimmerman
patent: 3441853 (1969-04-01), Bodine
patent: 3532967 (1970-10-01), Milton et al.
patent: 3579100 (1971-05-01), Lauver
patent: 3704411 (1972-11-01), Jamieson
patent: 3711661 (1973-01-01), Garrett et al.
patent: 3870836 (1975-03-01), Kusama

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