Radiant energy – Photocells; circuits and apparatus – Photocell controlled circuit
Patent
1992-12-23
1996-05-14
Nelms, David C.
Radiant energy
Photocells; circuits and apparatus
Photocell controlled circuit
315159, H01J 4014
Patent
active
055170200
ABSTRACT:
An improved lamp for use with travel trailers, motorhomes, recreational vehicles, temporary shelters, and the like, has an automatic photosensor-actuated on/off control circuit and shielding to protect the photosensor from the effects of stray light sources.
REFERENCES:
patent: 3628085 (1971-12-01), Brock
patent: 3629649 (1971-12-01), Zotto
Goans Judy Winegar
Le Que T.
Nelms David C.
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