Computer graphics processing and selective visual display system – Computer graphics processing – Shape generating
Reexamination Certificate
2004-09-02
2008-10-21
Johnson, M Good (Department: 2628)
Computer graphics processing and selective visual display system
Computer graphics processing
Shape generating
C345S441000
Reexamination Certificate
active
07439978
ABSTRACT:
An information processing system includes a display unit for displaying an image; a drawing unit for drawing a first straight line and a second straight line on the image displayed by the display unit in accordance with an input operation by a user; and a geometrical-value calculating unit for calculating a value indicating a geometrical relationship between the first and second straight lines drawn by the drawing unit.
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Canon Kabushiki Kaisha
Canon U.S.A. Inc. I.P. Division
Good Johnson M
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