Cursor positioning device for computer system

Details Cursor positioning device for computer system Cursor positioning device for computer system

1997-07-23

2000-06-06

Chow, Dennis-Doon

Computer graphics processing and selective visual display system

Display peripheral interface input device

Cursor mark position control device

345145, 345159, B09G 508

Patent

active

060724692

ABSTRACT:
A cursor control device for controlling the movement and positioning of a cursor on a computer includes a finger controllable member formed on the cursor positioning device. The cursor on the display is controllable either in X-axis or Y-axis direction by means of sliding the finger controllable member on the device. The cursor positioning device includes a displacement detecting structure for detecting the movement of the finger controllable member, and photo encoder detectors for detecting the operating situation of the X-axis and Y-axis photo encoders which are arranged in 90 degrees phase deference in space. In such an arrangement, the displacement of the finger controllable member in X-axis and Y-axis direction may be detected as coordinate date. The detected coordinate data is transmitted to a control circuit for further processes and then sent to a computer device.

REFERENCES:
patent: 5012231 (1991-04-01), Felsenstein
patent: 5191641 (1993-03-01), Yamamoto et al.
patent: 5568164 (1996-10-01), Ogawa
patent: 5771037 (1998-06-01), Jackson
patent: 5870079 (1999-02-01), Hennessy

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