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Information distribution service system based on predicted changes in location of mobile information terminal

  • US 7,200,394 B2
  • Filed: 08/20/2003
  • Issued: 04/03/2007
  • Est. Priority Date: 09/03/2002
  • Status: Expired due to Fees
First Claim
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1. An information distribution service system comprising a plurality of mobile information terminals, a computer system and a plurality of information-provider terminals wherein said mobile information terminals, said computer system and said information-provider terminals are connected to each other by a communication network,wherein said computer system finds a moving speed of a mobile information terminal from location information accumulated in the past, and predicts the mobile information terminal'"'"'s moving destination, moving direction, and an expected time of arrival of said mobile information terminal at the moving destination by inferring said mobile-information terminal'"'"'s location displacements along a time series on the basis of information on the moving speed and locations of said mobile information terminal including a pre-registered information category whose information distribution service, distribution and notification are desired, and on the basis of an inference formula provided in advance with said mobile information terminal'"'"'s moving direction and location;

  • said computer system determines an information-provider terminal predicted to exist at said predicted moving destination of said mobile information terminal on the basis of locations of information-provider terminals pre-recording plans to distribute information as a notification, and determines distributed and reported information corresponding to an information category registered in advance by said mobile information terminal among pieces of information to be provided by said selected information-provider terminal on the basis of the expected time of rival of said mobile information terminal at the moving destination, and distributes and reports said distributed and reported information among pieces of information to be provided by said selected information-provider terminal to said mobile information terminal;

    said mobile information terminal responds to said distributed and reported information by said computer system; and

    said computer system notifies said selected information-provider terminal of response information to said distributed and reported information from said mobile information terminal.

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