Light ball electronic mouse

Details Light ball electronic mouse Light ball electronic mouse

1987-02-12

1990-08-21

Brier, Jeffery A.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

74471XY, G09G 500

Patent

active

049510347

ABSTRACT:
A light ball electronic mouse using a ball with a specific gravity between one and four, X and Y shaft encoders of substantially reduced diameter, and a pressure roller of substantially reduced force for controlling the position of a cursor in a video display.

REFERENCES:
patent: 3013441 (1961-12-01), Alexander
patent: 3643148 (1972-02-01), Brown et al.
patent: 4538476 (1985-09-01), Loque
patent: 4559532 (1985-12-01), Hosogoe
patent: 4562347 (1985-12-01), Hovey et al.
patent: 4612539 (1986-09-01), Hosogoe et al.

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