VIDEO PROJECTOR
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United States of America Patent
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N/A
Issued Date -
Mar 29, 2012
app pub date -
Sep 23, 2011
filing date -
Sep 29, 2010
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A video projector including a light source used to display an image, an optical component that differs from the light source, a power supply unit that supplies power, and a centrifugal fan including a rotation shaft and a blade that rotates about the rotation shaft. The centrifugal fan is a double intake fan that draws in gas from first and second axial directions, which are parallel to the rotation shaft, by rotating the blade and sends the gas outward in a radial direction from the rotation shaft. The centrifugal fan sends gas that has cooled the optical component and the power supply unit to the light source.
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