Heat-sinking apparatus for light pipe

Details Heat-sinking apparatus for light pipe Heat-sinking apparatus for light pipe

2005-01-04

2005-01-04

Sember, Thomas M. (Department: 2875)

Illumination

Light fiber, rod, or pipe

With ventilating or cooling or thermally controlled light guide

C362S581000, C362S294000, C362S373000

Reexamination Certificate

active

06837608

ABSTRACT:
The present invention provides a heat-sinking apparatus for a light pipe. The light pipe is disposed on an optical engine of a projector and optically couples with a light source. The heat-sinking apparatus includes a cover made of a heat conductive material and a fan. The cover covers the light pipe and uniformly distributes thermal energy generated by the light source over the light pipe. The fan dissipates the thermal energy distributed over the light pipe.

REFERENCES:
patent: 3681592 (1972-08-01), Hugelshofer
patent: 5740296 (1998-04-01), Harris
patent: 6217205 (2001-04-01), Ward
patent: 6422719 (2002-07-01), Hung et al.
patent: 6616317 (2003-09-01), Feinbloom et al.
patent: WO 0140861 (2001-06-01), None

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