Optics: image projectors – Temperature control – Blower
Reexamination Certificate
2006-07-18
2009-11-24
Lee, Diane I (Department: 2851)
Optics: image projectors
Temperature control
Blower
C353S052000, C353S057000, C348S748000, C362S294000
Reexamination Certificate
active
07621644
ABSTRACT:
A liquid crystal projector device of the present invention includes a casing having disposed therein a lamp unit, an optical system for receiving light from the lamp unit to generate image light, and a power unit. An exhaust system for cooling an inside of the casing is attached to a side surface of the casing. The exhaust system includes a first exhaust fan and a second exhaust fan, which stand along the side surface of the casing. The first exhaust fan is placed toward the lamp unit, while the second exhaust fan is placed toward the power unit. Exhaust directions of both exhaust fans intersect each other.
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Nakagawa Norio
Saruwatari Toshihiro
Byrne-Diakun Jori S
Lee Diane I
Sanyo Electric Co,. Ltd.
Westerman Hattori Daniels & Adrian LLP
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