PROJECTOR AND METHOD FOR CONTROLLING IMAGE DISPLAY OF THE SAME
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United States of America Patent
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N/A
Issued Date -
Jul 4, 2013
app pub date -
Dec 14, 2012
filing date -
Dec 28, 2011
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A projector in which an additional writing image is synthesized with a projection image and the synthesized image is projected and displayed includes: a display memory storing trapezoidal distortion corrected projection image information; a pen drawing control part forming an additional writing image by straight line drawing based on display position information of an inputted additional writing image and corrects trapezoidal distortion; and an OSD memory storing additional writing image information generated in the pen drawing control part and having corrected trapezoidal distortion, in which image information in the display memory and image information in the OSD memory are synthesized and displayed. Recording of projection image information into an external storage device includes setting an output image to BLANK; storing a projection image without correcting trapezoidal distortion into the display memory; and synthesizing the contents of the display memory and the additional writing image to into the external storage device.
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Cited Art Landscape
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