Acoustic robust synchronization signaling for acoustic positioning system
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United States of America Patent
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Dec 14, 2010
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app pub date -
May 17, 2005
filing date -
May 17, 2004
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Abstract
A position detection system comprising positional element and positioning device, wherein the positional element transmits a continuously modulated acoustic waveform and a synchronization signal that is a sequence of at least two synchronization packets, each bearing timing data for the continuously modulated acoustic waveform. Additionally, the synchronization signal uses time hopping to support concurrent positioning of a plurality of positional elements.
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