Joypad circuit for playing PC games

Amusement devices: games – Including means for processing electronic data – Player-actuated control structure

Patent

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Details

273148B, A63F 924

Patent

active

057001944

ABSTRACT:
A programmable joypad circuit for playing PC games includes a panel having a plurality of control buttons, a directional button, a switching button, a mode selecting switch, a four/eight direction mode switch, a setting switch and a control circuit having a microprocessor, a memory, a switching circuit, and a parallel/serial conversion circuit. The microprocessor has a plurality of input and output pins respectively coupled with the control buttons, the directional button, the switching button, and mode selecting switch, and setting switch, a data input pin coupled to the PC, a clock pin coupled to the PC, a set pin coupled to said parallel/serial conversion circuit via the direction mode switch, the setting switch, and a control pin coupled to the switch circuit composed of a first transistor and a second transistor each having a collector and an emitter respectively connected to a corresponding data pin and clock pin of the microprocessor and a base connected to a control pin of the microprocessor.

REFERENCES:
patent: 5259626 (1993-11-01), Ho
patent: 5317505 (1994-05-01), Karabed et al.
patent: 5421590 (1995-06-01), Robbins

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