Acoustic robust synchronization signaling for acoustic positioning system
US7852318B2 · kind B2 · utility
25Cited by
78References
64Claims
0Family size
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Key dates
| Filing date | May 17, 2005 |
| Grant date | Dec 14, 2010 |
| Priority date | — |
| Expiry date | Feb 13, 2028 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01S5/18
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.