G - Physics – 01 – R
Patent
G - Physics
01
R
324/58
G01R 31/00 (2006.01) G08B 5/36 (2006.01)
Patent
CA 1055119
ABSTRACT OF THE DISCLOSURE An indicator light circuit utilizing a single lamp and providing continuous illumination during normal operation and on and off flashing during an emergency condition. The circuit can also provide an indication wherein the lamp is continuously on but pulsating bright and dim. The indicator light circuit can thus provide four visual indications: (1) Off; (2) Normal on; (3) Flashing on and off; and, (4) On, but pulsating bright and dim. The invention is particularly adaptable for use to provide motor running and relay trip indication.
248207
Gary Wardell
Kellogg Walter J.
Taylor Glenn R.
LandOfFree
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