Mechanically adjustable thermal path for projection display...

Optics: image projectors – Temperature control

Reexamination Certificate

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Details

C353S119000, C353S122000, C349S161000, C361S704000, C165S185000

Reexamination Certificate

active

07077526

ABSTRACT:
A method and mechanism for cooling a display device, having an extremely bright light focused on its surface and is mounted inside a closed chassis, by conducting heat from the device directly to the chassis walls, where the heat is then transferred to the lower temperature air of the ambient surroundings. The mechanism uses an adjustable mechanical linkage to close the gap and make a good thermal contact between the projection device package or heat sink stud and the chassis wall. This approach reduces the requirements for large heat sinks and noisy cooling fans found in many conventional projection systems.

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patent: 5991153 (1999-11-01), Heady et al.
patent: 6246582 (2001-06-01), Habing et al.
patent: 6257328 (2001-07-01), Fujiwara et al.
patent: 6428170 (2002-08-01), Haba
patent: 6447121 (2002-09-01), Woo
patent: 6540364 (2003-04-01), Takizawa et al.

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