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GPS receiver using a radio signal for improving time to first fix

DC
  • US 5,663,735 A
  • Filed: 05/20/1996
  • Issued: 09/02/1997
  • Est. Priority Date: 05/20/1996
  • Status: Expired due to Term
First Claim
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1. A global positioning system (GPS) receiver apparatus, comprising:

  • a radio signal receiver for receiving a radio signal having a standard time, decoding said standard time from said radio signal, and providing information for said standard time in a radio receiver output signal; and

    a GPS signal receiver for receiving a GPS signal having data bits and coupled to the radio signal receiver for using said standard time information for resolving a GPS-based time for a time of arrival of one of said data bits.

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