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Navigation system, terminal apparatus, navigation server, navigation apparatus, navigation method, and computer program product

  • US 9,587,946 B2
  • Filed: 06/16/2010
  • Issued: 03/07/2017
  • Est. Priority Date: 06/16/2010
  • Status: Active Grant
First Claim
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1. A navigation system comprising:

  • a navigation server and a terminal apparatus that are connected to each other in a communicable manner, wherein;

    the navigation server includes;

    control circuitry; and

    a memory,the terminal apparatus includes;

    a photographing device;

    an output device; and

    control circuitry,the memory of the navigation server stores traffic network data including station name information that represent station names of each route of a mode of public transportation, the mode of public transportation including at least one of a train, a bus, a plane and a ship,the control circuitry of the navigation server is configured to;

    receive a display content of a photographed image of a boarding guide display item of the mode of public transportation that is transmitted from the terminal apparatus;

    specify a route in the mode of public transportation, a station name in the mode of public transportation, and a traveling direction on the route in the mode of public transportation of a current position based on at least one of a character string, an arrangement of character strings, a color scheme, and symbols included in the display content of the photographed image;

    generate guide information including correctness information that indicates whether or not a user using the terminal apparatus can arrive at a destination station, an image representing the correctness information being superimposed on the photographed image; and

    transmit the generated guide information to the terminal apparatus,the control circuitry of the terminal apparatus is configured to;

    control the photographing device to acquire the photographed image of the boarding guide display item;

    extract the display content from the acquired photographed image;

    transmit the extracted display content to the navigation server;

    receive the guide information transmitted from the navigation server; and

    output at least a part of the received guide information through the output device,andthe control circuitry of the navigation server is further configured to generate information indicating that the photographed image cannot be identified when there is no traffic network data corresponding to the photographed image, and transmit the generated information to the terminal apparatus.

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