Interactive display system
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United States of America Patent
Stats
-
Mar 21, 1989
Issued Date -
N/A
app pub date -
Aug 4, 1987
filing date -
Mar 23, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method for identifying a bounded area of a graphic display. The method uses the division of the display screen into nine areas then the central square is the correlation window. This window can be small, two or three pel width, or large if the application is seeking to identify a larger area. The point indicated by the operator is in the center of the correlation window. An object (bounded area) which intersects this square will register a bit. It can be seen that a bounded area will intersect the correlation window if either: (a) any part of the boundary actually passes through the window, or (b) any arbitrary point within the window is inside the area.
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International Classification(s)
Cited Art Landscape
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