Computer system utilizing graphical user interface with hysteresis to inhibit accidental selection of a region due to unintended cursor motion and method
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United States of America Patent
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Sep 25, 2001
Grant Date -
N/A
app pub date -
Mar 3, 1999
filing date -
Mar 3, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A computer system, medium and method is disclosed for controlling selection and deselection of selectable regions on a computer display screen by a cursor, in such a manner as to compensate for the effects of jitter in the cursor control device. The system, medium, and method utilize a hysteresis technique, to accomplish their objectives. In a system with hysteresis it takes more force to effect a state change than would normally be the case; a state is harder to enter than it would otherwise be, and a state, once entered, is harder to leave than it would otherwise be. Such a state system with hysteresis is implemented in the present invention by having two thresholds for a state transition; one applied when moving into the state and the other applied when moving out of the state
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