Illumination – Light source and modifier – Ionized gas or vapor light source
Reexamination Certificate
2005-04-19
2005-04-19
Sember, Thomas M (Department: 2875)
Illumination
Light source and modifier
Ionized gas or vapor light source
C362S294000, C362S373000
Reexamination Certificate
active
06880956
ABSTRACT:
A light source includes a light head and a heat transfer arrangement. The light head includes a tubular supporting frame, which has an interior space, and a luminary unit provided on the supporting frame. The heat transfer arrangement, for dissipating heat generated from the light head, includes a heat sink and a heat conductor having a sealed chamber, which has a first portion in the supporting frame and a second portion extended to the heat sink, and a cooling agent contained in the sealed chamber of the heat conductor, wherein the cooling agent is capable of being vaporized by the heat of the luminary unit and condensed by said heat sink so as to substantially enable the heat to flow from the luminary unit towards the heat sink.
REFERENCES:
patent: 3560787 (1971-02-01), Clay et al.
patent: 3651358 (1972-03-01), Troue
patent: 3983385 (1976-09-01), Troue
patent: 3989102 (1976-11-01), Jaster et al.
patent: 6087764 (2000-07-01), Matei
A L Lightech, Inc.
Chan Raymond Y.
David and Raymond
Sember Thomas M
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