Computer graphics processing and selective visual display system – Display peripheral interface input device – Touch panel
Patent
1994-06-29
1996-10-29
Bayerl, Raymond J.
Computer graphics processing and selective visual display system
Display peripheral interface input device
Touch panel
345179, 345156, 345197, 395775, 395155, G06F 3033
Patent
active
055701132
ABSTRACT:
A method and system for a pen-based computer system allow a user to automatically cancel a gesture in progress under several different conditions and terminate the operation of the system in a gesture recognition motion. In a first condition, a gesture cancel timeout period is stored in a memory of the system. The cancel timeout period is definitive of holding the input device in a motionless condition. When the timeout period is exceeded, a software application program recognize the excessive time period, terminates the operation of the system in gesture recognition mode. In another condition, a motion area is defined in the program for the input device. When the gesture executed by the input device exceeds the pre-defined motion area, the application program recognizes the excessive motion and terminates the operation of the system in the gesture recognition mode. In another condition, each input device is identified and stored in memory. When a gesture is being performed and a change in input devices occurs, the program recognizes the difference in the identifications of the input devices and terminates the operation of the system in a gesture recognition mode. The system also automatically terminates the gesture mode of operation when anomalous signals, such as hand trembling or false or unwanted gestures are inputted to the system.
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Bayerl Raymond J.
Grosser George E.
International Business Machines - Corporation
Lockett Kuniki C.
Redmond, Jr. Joseph C.
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