Trackball device

Details Trackball device Trackball device

1984-05-14

1986-03-11

Pinkham, Richard C.

Amusement devices: games

Games accessories

All video game accessories

74471XY, A63B 7104, G05G 900

Patent

active

045750866

ABSTRACT:
The trackball device comprises cylindrical first and second supports. First and second code wheels are respectively coupled to the supports and are rotatable therewith. First and second reader means are respectively associated with the first and second code wheels for generating control signals. A ball is seated on the supports. The second support, both of the reader means, the second code wheel and the ball all lie on the same side of the first support.

REFERENCES:
patent: 3987685 (1976-10-01), Opocensky
patent: 4404865 (1983-09-01), Kim
patent: 4439648 (1984-03-01), Reiner et al.

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