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GSM cellular telephone and GPS receiver combination

  • US 6,122,506 A
  • Filed: 05/04/1998
  • Issued: 09/19/2000
  • Est. Priority Date: 05/04/1998
  • Status: Expired due to Term
First Claim
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1. A GSM/GPS receiver combination for receiving a global system for mobile telecommunications (GSM) signal including a frequency correction beacon (FCB) signal and information for a GSM communication, and a global positioning system (GPS) signal including information for a GPS location, the GSM/GPS receiver combination comprising:

  • a GSM reference oscillator for providing a GSM reference signal having a GSM reference frequency;

    a GSM receiver for using said GSM reference signal for receiving said GSM signal and providing said GSM communication;

    an executable GSM frequency correction code for directing the GSM receiver for using said FCB signal and said GSM reference frequency for calculating a GSM-based frequency correction;

    a GPS receiver for using said GSM reference signal and said GSM-based frequency correction for receiving said GPS signal and providing a GPS correlation signal; and

    a microprocessor system for executing said GSM frequency correction code and cooperating with the GPS receiver for processing said GPS correlation signal for providing said GPS location.

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