Lamp disconnection detecting device for identifying a specific l

Details Lamp disconnection detecting device for identifying a specific l Lamp disconnection detecting device for identifying a specific l

1996-10-30

1998-04-28

Karlsen, Ernest F.

Electricity: measuring and testing

Electric lamp or discharge device

324414, 340642, 340643, G01R 3102, G08B 2100

Patent

active

057449619

ABSTRACT:
A lamp disconnection detecting device includes a magnetic core with a gap; a plurality of detecting coils the number of turns of which are different from one another and are proportional to 2.sup.n (where n=0, or positive integers), and a magnetic response section provided in the gap of the magnetic core.

REFERENCES:
patent: 3956733 (1976-05-01), Sakurai
patent: 3995262 (1976-11-01), France et al.
patent: 4189662 (1980-02-01), Horng
patent: 4667187 (1987-05-01), Volk et al.
patent: 4745339 (1988-05-01), Izawa et al.
patent: 5041761 (1991-08-01), Wright et al.
patent: 5254971 (1993-10-01), Sutterlin et al.

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