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INFORMATION PROVIDING SYSTEM, IDENTIFICATION INFORMATION RESOLUTION SERVER AND MOBILE TERMINAL DEVICE

  • US 20140039654A1
  • Filed: 03/28/2012
  • Published: 02/06/2014
  • Est. Priority Date: 04/05/2011
  • Status: Active Grant
First Claim
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1. An information providing system comprising:

  • a sound emission device, adapted to emit, as a sound wave, identification information modulated to a sound signal;

    an identification information resolution server that is connected to an information communication network and includes a mapping table in which the identification information, valid time information, which indicates a range of valid time of the identification information, and address information of a content corresponding to the identification information are stored to be associated with each other; and

    a mobile terminal device that includes a sound pickup unit, adapted to pick up the sound wave emitted from the sound emission device, a demodulation unit, adapted to demodulate the identification information from the picked up sound wave, an identification information resolution unit, adapted to transmit the demodulated identification information to the identification information resolution server and thus acquire the address information, and a network access unit, adapted to access the content by using the acquired address information, whereinthe identification information resolution server receives the identification information from the mobile terminal device, refers to the mapping table by using time information and the identification information and returns the address information of a corresponding content to the mobile terminal device when the time information is within the range of valid time indicated by the valid time information.

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