Computer graphics processing and selective visual display system – Display peripheral interface input device – Cursor mark position control device
Patent
1995-08-09
1998-06-23
Liang, Regina
Computer graphics processing and selective visual display system
Display peripheral interface input device
Cursor mark position control device
345161, G09G 508
Patent
active
057710384
ABSTRACT:
The present invention is related to a control device for a display state change on a monitor which includes a housing, a first input device mounted in the housing for determining a movement of a cursor on the monitor in an X- and a Y-directions, a second input device for determining two kinds of display state changes which include a movement of the cursor in a Z-direction and a display state change selected from a group consisting of a rotation operation and a picture change on the monitor, and a control circuit mounted in the housing for executing the display state changes. Various preferred operation modes for controlling the display state change on a monitor are also disclosed in the present invention for purpose of providing a easily manipulated control device with more functions than the conventional mouse and track ball.
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Liang Regina
Primax Electronics Ltd.
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