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Communication apparatus, communication method, program, information management apparatus and communication system

  • US 8,339,242 B2
  • Filed: 12/14/2009
  • Issued: 12/25/2012
  • Est. Priority Date: 12/26/2008
  • Status: Active Grant
First Claim
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1. An information management apparatus, comprising:

  • a history information registration unit configured to register first and second history information within a storage unit, the first history information comprising position information indicating a position of a communications apparatus at a predetermined time and first time information indicating the predetermined time, and the second history information comprising base station identification information and second time information indicating a time at which the base station identification information is acquired by the communications apparatus;

    a registration determination unit configured to calculate a difference value between the first time information and the second time information and to determine whether the difference value is less than the threshold value; and

    a base station information registration unit configured to, when the registration determination unit determines that the difference value is less than the threshold value, register at least a portion of the position information and the base station identification information within the storage unit.

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