Patent ID: 6731612
Filing Date: 2004-05-04
Classification: G06F,H04W

Abstract:
A hyperlink browsing system comprising:a plurality of servers that provide hyperlinked content on a wide-area network, wherein at least some of the hyperlinked content is geographically-dependent; a plurality of mobile clients that communicate with the wide-area network over a wireless communications medium, the mobile clients having varying locations; the mobile clients having positioning receivers that generate varying geographical coordinates indicating the varying locations of the mobile clients; the mobile clients having hyperlink browsers that are responsive to user designations of hyperlinked content to send HTTP requests to servers and to render content that is returned in response to the HTTP requests; wherein the hyperlink browser of a particular mobile client includes current geographical coordinates of that mobile client in HTTP requests; wherein the servers select and return different geographically-dependent content to the hyperlink browsers in response to the HTTP requests depending on the geographical coordinates in the HTTP requests; and wherein the servers return valid zone specifications in conjunction with returned geographically-dependent content, the valid zone specifications indicating geographical zones within which the returned geographically-dependent content is considered valid.