Patent ID: 6808283
Filing Date: 2004-10-26
Classification: F21S,F21V,H02G,H05B,Y02B

Abstract:
A sensitive lighting fixture for a construction junction box installed on a surface to provide a recessed cavity surrounding with metal walls, wherein electric wires from a power source are extended inside said recessed cavity, wherein said sensitive lighting fixture comprises:a base seat comprising a front plate and a recessed case rearwardly extended from said front plate, wherein said recessed case has a light source socket indented therein and a light source opening opened on said front plate, wherein said recessed case is sized for disposing inside said recessed cavity of said construction junction box while said front plate is sized for covering said recessed cavity of said construction junction box; a light source which is a fluorescent lamp disposed in said light source socket, wherein said fluorescent lamp comprises a fluorescent lamp seat and a fluorescent lamp element mounted on said fluorescent lamp seat, wherein said fluorescent lamp seat comprises a seat housing having a front opening, two terminal arms rearwardly extended from two ends of said seat housing, and two end holders hinged at two ends of said seat housing, wherein said fluorescent lamp element comprises a tubular fluorescent lamp bulb and two pairs of terminal wires extended from two ends of said fluorescent lamp bulb to said two terminal arms to form two pairs of electrical terminal contacts; a light shade which is detachably attached to said front plate of base seat and sized to cover said light source opening; a control sensor provided on said front plate of said base seat and exposed to outside; and a control means for electrically connecting said light source with said electric wires extended inside said construction junction box and electrically connecting said control sensor and said light source in such a manner that said control sensor turns said light source off when said control sensor detects an off-condition and on when said control sensor detects an on-condition.