Geographic-based communication service system with more precise determination of a user's known geographic location

  • US 6,414,635 B1
  • Filed: 10/23/2000
  • Issued: 07/02/2002
  • Est. Priority Date: 10/23/2000
  • Status: Active Grant
  • ×
    • Pin
First Claim
Patent Images

1. A geographic-based communications service system, comprising:

  • a portable computing device, wherein said portable computing device is configured to communicate in a wireless manner;

    a network;

    a plurality of wireless access points coupled to said network and arranged at known geographic locations, wherein at least one of the plurality of access points is configured to communicate with the portable computing device in a wireless manner, wherein the at least one access point is operable to communicate with the portable computing device in a first geographic area of the first access point, wherein the at least one access point is further configured to determine a geographic location of the portable computing device in a second smaller geographic area within the first geographic area.

View all claims