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Synchronization of optical signaling beacons

  • US 20050003774A1
  • Filed: 07/01/2003
  • Published: 01/06/2005
  • Est. Priority Date: 07/01/2003
  • Status: Active Grant
First Claim
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1. A system of signaling beacons, a signaling beacon of said system including a timer providing timing signals, a controller for receiving said timing signals and controlling periodic energization of a signaling means for providing a perceptible signal, and means responsive to receipt of a periodic modulated synchronization signal from another signaling beacon for synchronizing said periodic energization of said signaling means.

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