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System for communicating through maps

  • US 7,136,915 B2
  • Filed: 12/26/2001
  • Issued: 11/14/2006
  • Est. Priority Date: 03/14/2000
  • Status: Expired due to Term
First Claim
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1. A method of communicating postings to a target user community, comprising:

  • (a) storing a plurality of postings, each posting including a source identification tag, an information body, and a broadcast descriptor, the broadcast descriptor identifying a geographical region of said each posting, wherein the geographical region is defined by a closed region on a map;

    (b) receiving a plurality of requests from mobile and stationary users, each request from a user including a user identification tag and an antenna descriptor, the antenna descriptor identifying a geographical location of the user;

    (c) processing said each request, including;

    (1) identifying one or more postings having geographical regions that contain the geographical location, and(2) sending the identified one or more postings to the user;

    (d) processing a subsequent request from the user, the subsequent request including a user identification tag and an antenna descriptor specifying a subsequent geographical location of the user, said processing a subsequent request from the user including;

    (1) sending to the user other postings having geographical regions that contain the subsequent geographical location, wherein the other postings do not include any posting previously sent to the user.

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