Computer graphics processing and selective visual display system – Display peripheral interface input device – Cursor mark position control device
Patent
1996-05-30
1998-06-02
Powell, Mark R.
Computer graphics processing and selective visual display system
Display peripheral interface input device
Cursor mark position control device
G06F 3033
Patent
active
057607630
ABSTRACT:
A method and apparatus for enhancing the operation of pointing devices currently in use with video display environments by reducing the amount of motion necessary to cause the movement of parts of the display over distances of the screen environment within existing pointing devices and pointing device control programs. This is accomplished by allowing the customary operation, of the pointing device, presently including computer "mice", "trackballs"; and "touchpads", or any similar device, within a predefined "select area". Within the select area, pointing and control functions are performed in the manner normal to the chosen supported controller device. Movement of the control device or cursor beyond this established range or select area invokes the "slide" function in which the cursor movement becomes automated, allowing the user to cause the cursor to traverse significant distances of the screen with little effort. The direction and speed of the cursor movement remains under the control of the user until the controller movement indicates the user's desire to return to the select area mode. A new select area is then re-established around the new position of the cursor. The amount of user movement necessary to accomplish tasks with the pointing device is reduced and the accuracy of pointing is enhanced. Preferred embodiments of the invention have been designed to be integrated with a broad range of the common input devices and input device control program designs currently available.
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