Digital joystick control interface system for video games and th

Communications: electrical – Land vehicle alarms or indicators – Internal alarm or indicator responsive to a condition of the...

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273 85G, 340703, 340711, 340724, 340747, 340799, G06F 314

Patent

active

041421809

ABSTRACT:
A digital joystock 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: 3389404 (1968-06-01), Koster
patent: 3453384 (1969-07-01), Donner et al.
patent: 3541541 (1970-11-01), Engelbart
patent: 3562415 (1971-02-01), Michels et al.
patent: 3772597 (1973-11-01), Stover
patent: 3886528 (1975-05-01), Irani et al.
patent: 3982236 (1976-09-01), Kafafian

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