Communications: electrical – Continuously variable indicating – With meter reading
Patent
1994-07-29
1996-02-20
Bowler, Alyssah
Communications: electrical
Continuously variable indicating
With meter reading
34082522, 34082569, 364411, 3642212, 455 382, 455140, G05B 1902, G08C 1702, G06F 9445, H04Q 302
Patent
active
054932815
ABSTRACT:
Method and apparatus for synchronizing performance of audio, lighting, animation, and special effects programs at a plurality of remote locations, such as on parade floats, in which the programs are stored at each location as digitally-encoded information in the memory of one or more controllers, and DTMF tone bursts are transmitted over a selected radio frequency as a synchronization signal to each remote location for controlling synchronous performance of the programs by audio, lighting, animation, and special effects systems on the floats. The DTMF tones control retrieval from an audio controller of an audio program and a SMPTE time code signal for synchronous control of the lighting, animation, and special effects systems. The DTMF tone bursts are divided into timecode packets of discrete tones that are transmitted approximately every 700 milliseconds, wherein the first tone is a special control tone for synchronization, followed by several location tones, and the last tone is used to verify a valid timecode packet order.
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Bowler Alyssah
Rinehart Mark H.
The Walt Disney Company
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