×

Mobile handset with position calculation function

  • US 20020132626A1
  • Filed: 03/12/2002
  • Published: 09/19/2002
  • Est. Priority Date: 03/19/2001
  • Status: Active Grant
First Claim
Patent Images

1. A mobile handset capable of determining its position using radio waves, the mobile handset comprising:

  • GPS receiver means for receiving GPS-oriented signals and generating received GPS signals;

    GPS position calculation means for calculating the mobile handset'"'"'s position from the received GPS signals and outputting a GPS-based position result;

    GPS reliability calculation means for calculating GPS positioning reliability based on the GPS-based position result;

    cellular receiver means for receiving cellular-oriented signals and generating received cellular signals;

    cellular position calculation means for calculating the mobile handset'"'"'s position from the received cellular signals and outputting a cellular-based position result;

    cellular reliability calculation means for calculating cellular positioning reliability based on the cellular-based position result; and

    GPS/cellular positioning results combining means for combining the GPS-based position result and the cellular-based position result with the GPS positioning reliability and the cellular positioning reliability.

View all claims
  • 6 Assignments
Timeline View
Assignment View
    ×
    ×