Projector with heat radiating construction

Details Projector with heat radiating construction Projector with heat radiating construction

2009-07-01

2011-10-18

Epps, Georgia (Department: 2878)

Optics: image projectors

Temperature control

Blower

C353S052000, C353S060000, C353S061000, C353S119000

Reexamination Certificate

active

08038301

ABSTRACT:
A projector includes a light source unit, a light source side optical system which includes a color wheel and a light guiding unit, a display device, a projection side optical system, a cooling fan, and a projector control unit. An interior of a projector casing is divided into an outlet side spatial compartment which is positioned on an outlet side of the cooling fan and in which the light source unit is disposed and an inlet side spatial compartment which is positioned on an inlet side of the cooling fan. The outlet side spatial compartment is covered thereabove by an upper division board, above which a heat conductive sheet which is formed of an aluminum sheet is disposed. The heat conductive sheet is electrically connected to the projector casing, so that electricity charged in the heat conductive sheet can be discharged.

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Japanese Office Action dated Apr. 22, 2010 and English translation thereof issued in counterpart Japanese Application No. 2008-175725.
Chinese Office Action dated Sep. 19, 2010 (and English translation thereof) in counterpart Chinese Application No. 200910151370.4.

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