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POSITIONING SYSTEM, POSITIONING METHOD, AND POSITIONING PROGRAM

  • US 20100007552A1
  • Filed: 07/07/2009
  • Published: 01/14/2010
  • Est. Priority Date: 07/09/2008
  • Status: Abandoned Application
First Claim
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1. A positioning system which estimates a position of a receiver having a radio communication function and a function to receive a signal used in GPS positioning, the positioning system comprising:

  • radio communication information acquiring means to acquire information about radio communication in the receiver;

    effectiveness estimating means to estimate effectiveness of the GPS positioning, based on the information about the radio communication acquired by the radio communication information acquiring means; and

    GPS positioning controlling means to control execution of the GPS positioning of the receiver, based on the effectiveness estimated by the effectiveness estimating means.

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