Duct and projector

Details Duct and projector Duct and projector

2006-03-21

2006-03-21

Dowling, William C. (Department: 2851)

Optics: image projectors

Temperature control

Blower

C353S057000, C362S373000

Reexamination Certificate

active

07014322

ABSTRACT:
A suction-side duct (73) is interposed between a light source device (411) and an exhaust fan (72) and includes a first suction hole (731A1) for drawing in a heated air heated by the light source device (411) and a discharge hole (732B) for discharging the indrawn heated air toward the exhaust fan (72). The first suction hole (731A1) and the discharge hole (732B) are located not to interfere with each other on a plane seen from a suction direction or a discharge direction of the heated air.

REFERENCES:
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patent: A 2002-214710 (2002-07-01), None
patent: A 2002-244215 (2002-08-01), None
patent: A 2002-365728 (2002-12-01), None
patent: A 2003-215710 (2003-07-01), None

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