Light source control device, projector, and light source control method
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United States of America Patent
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Oct 28, 2014
Grant Date -
Apr 26, 2012
app pub date -
Oct 17, 2011
filing date -
Oct 20, 2010
priority date (Note) -
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Abstract
A light source control device and a light source control method each capable of preventing the scroll noise from occurring without being affected by the characteristics of a light modulation device, and a projector equipped with the light source control device are provided. The light source device includes a duty determination section adapted to determine a duty ratio, and a drive control section adapted to perform drive control of a plurality of solid-state light sources by generating a PWM signal having the duty ratio determined by the duty ratio determination section, and adapted to make a phase with which at least one of the solid-state light sources is driven different from a phase with which another of the solid-state light sources is driven.
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