Digital joystick control interface system for video games and th

Details Digital joystick control interface system for video games and th Digital joystick control interface system for video games and th

1978-11-20

1981-12-15

Curtis, Marshall M.

Communications: electrical

Land vehicle alarms or indicators

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

340709, 340725, 273 85G, G06F 314

Patent

active

043062326

ABSTRACT:
A digital joystick is interfaced to a video game by utilizing diodes for isolation and providing means for strobing the digital joystick. In this manner, the number of conductors required in the cable coupling the digital joystick to the video game circuitry is significantly reduced. In one embodiment, a matrix-type keyboard is included in the remote control unit without adding a significant number of additional conductors. Furthermore, the multiplexer ordinarily required to couple the conductors from the digital joystick and the matrix keyboard is eliminated by this technique.

REFERENCES:
patent: 3364473 (1968-01-01), Reitz et al.
patent: 3541541 (1970-11-01), Engelbart
patent: 3883861 (1975-05-01), Heartz
patent: 3987685 (1976-10-01), Opocensky
patent: 4085443 (1978-04-01), DuBois et al.
patent: 4142180 (1979-02-01), Burson

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