Method and apparatus capable of controlling heat dissipation...

Details Method and apparatus capable of controlling heat dissipation... Method and apparatus capable of controlling heat dissipation...

2007-05-18

2010-06-01

Le, Que T (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

Temperature control of photocell

C250S239000

Reexamination Certificate

active

07728282

ABSTRACT:
A heat dissipation method for a projector includes measuring a first temperature at an intake vent of a projector, measuring a second temperature at an outlet vent of the projector, controlling a heat sink of the projector based on the first temperature when the second temperature is smaller than a predetermined value, and controlling the heat sink of the projector based on the second temperature when the second temperature is larger than the predetermined value.

REFERENCES:
patent: 6322218 (2001-11-01), Sugawara
patent: 6554432 (2003-04-01), Ohfune
patent: 6582082 (2003-06-01), Tiao et al.
patent: 6873929 (2005-03-01), Lai
patent: 2002/0163626 (2002-11-01), Takizawa

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