Cursor control with user feedback mechanism
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United States of America Patent
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-
Oct 26, 1999
Grant Date -
N/A
app pub date -
Oct 29, 1997
filing date -
Oct 30, 1996
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A feedback means is provided in conjunction with a cursor control mechanism for a two- or three-dimensional graphic user interface. Feedback levels are determined by tonal variation (grey scale or color component) at the pixel (P) currently indicated by the cursor. Suitably, the levels are set by generating differentials across a patch of pixels (A) surrounding the indicated pixel, with differential generation in mutually perpendicular directions (X and Y) providing for independent feedback in two or three directions. The technique enables interface features such as window boundaries (36) or textured patches to be identified to the user without specially authored software being required for those features to trigger feedback when indicated.
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Cited Art Landscape
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