Amusement devices: games – Including means for processing electronic data – With communication link
Patent
1996-08-28
1998-07-07
Harrison, Jessica
Amusement devices: games
Including means for processing electronic data
With communication link
A63F 922
Patent
active
057759960
ABSTRACT:
The present invention is a means and method for synchronizing the execution of multiple video game systems in a networked environment with no external synchronization signals required. Video games and most computer display controllers are closed free-running systems. Because most such systems have the means to switch between an interlaced and non-interlaced operation, and because interlaced and non-interlaced modes have a relative timing variation, the timing between two or more such closed free-running systems can be synchronized. This method allows synchronization with an imprecise timing reference. The vertical display timing is the free-running oscillator and the interlaced
on-interlaced mode transition is used as the timing adjustment means. The actual arrival time of data in a communication medium connecting two systems being synchronized is used in relation to an expected arrival time to provide the clock reference.
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Holland Shannon A.
Othmer Konstantin
Perlman Stephen G.
Roskowski Steven G.
Harrison Jessica
Mpath Interactive, Inc.
O'Neill Michael
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