Microminiaturized projection module having an image processing unit for transforming each of image signals into a modulating signal and a direction signal for projecting image onto object
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United States of America Patent
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Jul 10, 2012
Grant Date -
Jul 7, 2011
app pub date -
Jan 6, 2010
filing date -
Jan 6, 2010
priority date (Note) -
Expired
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Abstract
A microminiaturized projection module for projecting an image onto an object is disclosed in the present invention. The module includes a number of light units each for providing red, green, and blue beams; an image processing unit for receiving the image, dividing the image into n×m image signals, and transforming each of the image signals into a modulating signal and a direction signal, where n and in are integrals not less than 2, respectively; a number of modulation units for modulating the beams from one light unit according to the modulating signal received from the image processing unit and sending out the modulated beams simultaneously; and an array of n×m mirrors for projecting the modulated beams to form the image onto the object according to the direction signal received from the image processing unit. The invention has advantages that can reduce modulation speed, undergo slight shock and be free from raster pinch effect.
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