Apparatus and methods for providing an emergency lighting...

Details Apparatus and methods for providing an emergency lighting... Apparatus and methods for providing an emergency lighting...

2006-01-17

2006-01-17

Ward, John Anthony (Department: 2875)

Illumination

Automatic substitution of power supply or light source

C362S276000, C362S800000, C362S802000, C315S086000, C340S635000

Reexamination Certificate

active

06986589

ABSTRACT:
The present invention includes an emergency lighting device comprising, at least one light emitting diode (LED), a local energy source such as a lithium ion battery, a control circuit in electric communication with the at least one LED and further sensing a main power supply, and a reflector for broadcasting light produced by the LED to designated areas. In particular, the present invention transforms existing fluorescent, incandescent or halogen light fixtures into emergency lighting systems for homes, hospitals, hotels, nursing homes and businesses. The device includes a power sensor for triggering the control circuit to engage the LEDs when electrical service is disrupted, thereby broadcasting a wash of light over an otherwise darkened room or corridor.

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Copy of International Search Report for PCT Application No. PT/US2004/041702; Filed Dec. 13, 2004; Date of Completion Mar. 29, 2005; Date of Mailing Mar. 5, 2005.

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