Method and apparatus in computer systems to selectively map tabl

Details Method and apparatus in computer systems to selectively map tabl Method and apparatus in computer systems to selectively map tabl

1996-03-20

1998-05-26

Saras, Steven J.

Computer graphics processing and selective visual display system

Display peripheral interface input device

345157, 345340, 345339, 345342, 178 18, 178 19, G09G 302, G08C 2100

Patent

active

057573611

ABSTRACT:
An improved method and apparatus in pen-based computer systems using a tablet input device to select the outer boundary area of a graphics display through use of a virtual cursory boundary is disclosed. The tablet input device has a first inner active area surrounded by a second outer active boundary. An operator selectively moving a pointing device in the first inner active area of the tablet input device causes a cursor to move correspondingly on the graphics display image. When the operator selectively moves the pointing device in the second outer active area, the digitizing table causes the cursor to move to a corresponding graphics display boundary position.

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IBM Technical Disclosure Bulletin, vol. 31, No. 12, May 1989 "Braille Computer Mouse with Tactile Position Feedback".

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