Projection device, projection system and method for adjusting projection brightness of projection system
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United States of America Patent
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Feb 20, 2018
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app pub date -
Dec 22, 2015
filing date -
Mar 11, 2015
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Abstract
The present disclosure provides a projection device, a projection system and a method for adjusting projection brightness of the projection system. The method includes: projecting, by a projection unit of each projection device, an image on a projection plane corresponding to the projection unit separately; collecting, by a brightness collecting device, brightness information on the projection planes separately, and sending the brightness information to the projection device; receiving, by a processing unit, the brightness information, and obtaining an actual brightness value of projection of the projection device after processing the brightness information; determining whether the actual brightness value is within a preset brightness value range of the projection device; when the actual brightness value is not within the preset brightness value range; adjusting, by a brightness adjusting unit, the projection brightness of the projection device until the actual brightness value falls within the preset brightness value range.
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