Computer graphics processing and selective visual display system – Computer graphics processing – Graphic manipulation
Reexamination Certificate
2007-03-06
2007-03-06
Tung, Kee M. (Department: 2628)
Computer graphics processing and selective visual display system
Computer graphics processing
Graphic manipulation
C345S620000, C345S622000, C345S624000, C345S634000
Reexamination Certificate
active
10895853
ABSTRACT:
The present invention provides a technology that enables related portions of multiple pages of images to be displayed simultaneously. A projection display apparatus comprises: an image extraction section that extracts at least a portion of given first image data as an extraction image; an extraction image memory for storing extraction image data representing the extraction image; an image overlay section that generates overlaid image data by superimposing the extraction image on an original image represented by given second image data; a light modulation unit that is driven responsive to the overlaid image data pixel by pixel; and an optical system for projecting onto the screen the overlaid image obtained by the light modulation unit. A projection display apparatus can display related portions of multiple pages of images simultaneously.
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Akaiwa Shoichi
Itoh Takafumi
Rahmjoo Mike
Seiko Epson Corporation
Tung Kee M.
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