Luminary

Details Luminary Luminary

2009-03-30

2011-11-29

Truong, Bao Q (Department: 2875)

Illumination

Automatic substitution of power supply or light source

C362S276000, C362S228000

Reexamination Certificate

active

08066391

ABSTRACT:
A luminary has a central lamp, an emergency lamp and a control box. The emergency lamp is ring-shaped and mounted around a light-emitting end of the central lamp and has a base and a circuit board. The circuit board has an LED set and a cable set connected to the LED set. The control box is electrically connected to cable set of the circuit board, adapted to connect to an AC power and has a battery. The control box drives the LED set when an outage of the AC power occurs. Since emergency illumination is provided by the emergency lamp and is independent of normal illumination provided by the central lamp, battery power for emergency illumination can be kept from being quickly consumed by the central lamp that is usually power-consuming.

REFERENCES:
patent: 5400228 (1995-03-01), Kao
patent: 5685637 (1997-11-01), Chapman et al.
patent: 6033087 (2000-03-01), Shozo et al.
patent: 6045232 (2000-04-01), Buckmaster
patent: 6491417 (2002-12-01), Haen et al.
patent: 6756893 (2004-06-01), Fernandez
patent: 7374310 (2008-05-01), Barozzini et al.
patent: 7476002 (2009-01-01), Wolf et al.

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