Computer graphics processing and selective visual display system – Display peripheral interface input device – Light pen for crt display
Reexamination Certificate
2006-10-03
2006-10-03
Hjerpe, Richard (Department: 2629)
Computer graphics processing and selective visual display system
Display peripheral interface input device
Light pen for crt display
C345S104000, C345S156000, C345S173000, C345S175000, C178S018010, C178S018030, C178S018090
Reexamination Certificate
active
07116316
ABSTRACT:
One aspect of the invention involves a writing tablet comprising a housing having a writing surface and internal logic placed within the housing and situated below the writing surface. The internal logic includes imaging sensor, a light source and a controller. The imaging sensor is adapted to capture a location and orientation of each line segment forming a graphic image. The light source is adapted to produce a light beam adjusted for display on the writing surface. The controller is adapted to control performance of an event upon the light beam crossing a line segment of the graphic image.
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Brooke Timothy L.
Brown Frank T.
D'Hooge Herman D.
Jelinek Lenka M.
March Wendy A.
Blakely , Sokoloff, Taylor & Zafman LLP
Hjerpe Richard
Intel Corporation
Shapiro Leonid
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