Device for automatically checking a plurality of electric indica

Details Device for automatically checking a plurality of electric indica Device for automatically checking a plurality of electric indica

1981-08-26

1984-05-29

Caldwell, Sr., John W.

Communications: electrical

Condition responsive indicating system

Specific condition

315135, 340516, G08B 2100

Patent

active

044518226

ABSTRACT:
The invention relates to a device for checking a plurality of indicator lights, wherein the intensity passing through each indicator light is sequentially measured and the measurements are compared with nominal intensities. The invention is more particularly applicable to the checking of the indicator lights of devices monitoring functional members.

REFERENCES:
patent: 4307392 (1981-12-01), Loshbough et al.

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