Lighting fixture control device

Details Lighting fixture control device Lighting fixture control device

1997-10-16

1998-09-29

Lee, Benny

Electric lamp and discharge devices: systems

With radiant energy sensitive control means

Radiant energy control of an electric discharge device in...

315159, 362276, 362802, F21V 2300

Patent

active

058149457

ABSTRACT:
A lighting fixture control device has a base casing, an upper cover covering the base casing, an arc-shaped lens disposed on the base casing, an electric circuit board disposed on a bottom of the upper cover, and a control integrated circuit chip disposed on a bottom of the electric circuit board. The arc-shaped lens collects and focuses light. The electric circuit board has a photo-field-effect transistor to detect an approaching article. The arc-shaped lens reflects light to the photo-field-effect transistor to actuate the electric circuit board.

REFERENCES:
patent: 5442177 (1995-08-01), Boulos et al.
patent: 5575557 (1996-11-01), Huang et al.

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