×

Method and apparatus for processing data in a GPS receiving device in a road vehicle

  • US 4,837,700 A
  • Filed: 10/27/1987
  • Issued: 06/06/1989
  • Est. Priority Date: 10/27/1987
  • Status: Expired due to Term
First Claim
Patent Images

1. A method for processing data received by a receiving device outputting present location data for a vehicle carrying said device based on radio waves from a plurality of satellites, said method comprising the steps of:

  • determining if said vehicle is stopped;

    calculating an average of a predetermined number of data inputted into said receiving device while said vehicle is stopped;

    determining said average as an effective data if a standard deviation of said predetermined number of data is within a predetermined range; and

    calculating a present location of said vehicle from said effective data.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×