×

Network communication service with an improved subscriber model using digital certificates

  • US 6,571,221 B1
  • Filed: 11/03/1999
  • Issued: 05/27/2003
  • Est. Priority Date: 11/03/1999
  • Status: Expired
First Claim
Patent Images

1. A network system, comprising:

  • a portable computing device operated by a mobile user, wherein the portable computing device includes at least one digital certificate, wherein the digital certificate comprises sponsorship information;

    a network;

    a plurality of access points coupled to said network, wherein each of the plurality of access points is configured to communicate with the portable computing device;

    at least one service provider coupled to the network, wherein the service provider is operable to receive the digital certificate from the portable computing device, wherein at least one service provider is operable to provide a service to the mobile user;

    wherein access charges for access to the network are computed based on the sponsorship information comprised in the digital certificate.

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