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MAGNETIC SYNCHRONIZATION FOR A POSITIONING SYSTEM

  • US 20140293748A1
  • Filed: 03/28/2014
  • Published: 10/02/2014
  • Est. Priority Date: 03/29/2013
  • Status: Active Grant
First Claim
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1. A positioning system, comprising:

  • a transmitter, the transmitter comprising;

    an acoustic signal transmitter configured to transmit a modulated acoustic signal; and

    a magnetic synchronization signal transmitter configured to transmit a modulated magnetic synchronization signal;

    a receiver, the receiver comprising;

    an acoustic signal receiver configured to receive the transmitted modulated acoustic signal;

    a magnetic synchronization signal receiver configured to receive the transmitted modulated magnetic synchronization signal; and

    a processing component configured to receive the modulated acoustic signal from the acoustic signal receiver and the modulated magnetic synchronization signal form the magnetic synchronization signal receiver on a same time domain and using similar circuits for acoustic and magnetic signals to determine a position of the transmitter based on the received modulated synchronization signal and a determined time delay of the received modulated acoustic signal.

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