06840627 is referenced by 63 patents and cites 17 patents.

A display device including a light engine configured to project an image onto a display surface, an image sensor configured to capture a presentation image larger than the projected image, and a processor, coupled to the image sensor, that is configured to modify the projected image based on the captured image.

Title
Interactive display device
Application Number
10/349240
Publication Number
6840627 (B2)
Application Date
January 21, 2003
Publication Date
January 11, 2005
Inventor
Craig A Olbrich
Corvallis
OR, US
Assignee
Hewlett Packard Development Company
TX, US
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