Lamp with integral automatic light control circuit

Details Lamp with integral automatic light control circuit Lamp with integral automatic light control circuit

1989-01-09

1991-01-29

LaRoche, Eugene R.

Electric lamp and discharge devices: systems

With radiant energy sensitive control means

Electric switch controlled by the radiant energy responsive...

315 51, 315 52, 315 53, 315 71, 315 73, H05B 3702

Patent

active

049889214

ABSTRACT:
A lamp assembly includes a sealed lamp envelope enclosing a filament, a lamp base affixed to the lamp envelope and including a connector, and an automatic light control circuit located in the lamp base and electrically connected between the connector and the filament. The light control circuit includes a photosensor for controlling the power delivered to the filament in response to a sensed ambient light level. Preferably, the lamp base includes a cup-shaped portion affixed to the connector, and the light control circuit is mounted in the cup-shaped portion on a circuit board. The photosensor is mounted in a hole in a sidewall of the cup-shaped portion. The lamp assembly can be installed and operated in a conventional lamp socket.

REFERENCES:
patent: D288967 (1987-03-01), Naft
patent: 4547704 (1985-10-01), Brinn et al.
patent: 4588926 (1986-05-01), Pezzolo
patent: 4652980 (1987-03-01), Segan
patent: 4697122 (1987-09-01), Hoffer

Affiliated with

Also associated with

Rating

Lamp with integral automatic light control circuit does not yet have a rating. At this time, there are no reviews or comments for this patent.

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-816128