Projection type display device and method for controlling operation of projection type display device
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United States of America Patent
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Dec 26, 2017
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app pub date -
Jan 13, 2012
filing date -
Jan 13, 2012
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Abstract
A projection-type display which projects and displays images in accordance with an image signal includes a light source for projecting the images, output means that is equipped with a coil and switch, that uses electromagnetic induction of the coil to supply a current, and that changes the magnitude of the current by means of the switch, a cooling fan that cools the projection-type display device and for which the rotational speed is variable; and control means that, upon receiving an instruction to set a first mode in which a first current is intermittently supplied to the light source.
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