Amusement devices: games – Including means for processing electronic data – Player-actuated control structure
Patent
1995-08-09
1997-05-27
Harrison, Jessica
Amusement devices: games
Including means for processing electronic data
Player-actuated control structure
273148B, 463 39, 463 38, 345156, 345157, 345162, A63F 0924
Patent
active
056326807
ABSTRACT:
A computer game controller system and method has a pulse position modulated (PPM) input device for encoding status information in a pulse position control signal and a bimodal interface having a first and second interface circuits, each for coupling an input device to a computer game program. The first interface circuit is a pulse position signal decoder for decoding a pulse position control signal. The second interface circuit is a capacitor charge decoding circuit for decoding a variable resistance input compatible with the IBM game port standard. When the bimodal interface is coupled to a PPM input device, the received pulse position control signal is decoded with improved accuracy and speed using the first interface (the PPM decoder). However, when the bimodal interface is coupled to a conventional input device which generates a variable resistance input conforming to the IBM game port standard, the second interface (the capacitor charging network) is used to decode the control signal.
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Lewis C. Eggebrecht, "Interfacing to the IBM Personal Computer", Howard W. Sams & Co., 1983, First Edition, Fifth Printing--1987, Chapters 12 and 18.
Harrison Jessica
Noble Lisa D.
Quickshot Patent (BVI) Ltd.
Sager Mark A.
Smith Albert C.
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