Luminaire duration control

Details Luminaire duration control Luminaire duration control

1974-02-04

1976-06-01

Stolwein, Walter

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

317124, 315159, H01J 3912

Patent

active

039611809

ABSTRACT:
A luminaire duration control which, in combination with a photocell, electrically activates an associated luminaire in response to the amount of light received by the photocell. A predetermined time after the luminaire is activated, and prior to its normal deactivation by the photocell, the luminaire is deactivated thereby reducing to a predetermined level the burning hours of the luminaire.

REFERENCES:
patent: 3085179 (1963-04-01), Keeran
patent: 3231747 (1966-01-01), Takeda et al.
patent: 3290507 (1966-12-01), Flieg et al.
patent: 3599048 (1971-08-01), Olin
patent: 3789220 (1974-01-01), Schacht

Affiliated with

Also associated with

Rating

Luminaire duration control does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Luminaire duration control, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Luminaire duration control will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2404155