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Reading device, computer program product and reading system

  • US 8,493,186 B2
  • Filed: 03/25/2009
  • Issued: 07/23/2013
  • Est. Priority Date: 03/26/2008
  • Status: Expired due to Fees
First Claim
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1. A reading device for repeatedly reading data, which is stored in a recording medium existing in an area where communication between the recording medium and the reading device can be established, in a noncontact method, comprising:

  • a first generation unit for generating time series data which shows a result of reading in chronologic order;

    a second generation unit for generating feature data indicative of a feature of the result of reading based on the time series data generated by the first generation unit;

    a first sorting unit for sorting read data as necessary data or unnecessary data based on the feature data generated by the second generation unit,wherein the second generation unit extracts continuous reading numbers of successful continuous reading in chronologic order per recording medium, extracts a maximum continuous reading number from the extracted continuous reading numbers, and generates a continuous reading ratio by dividing the continuous reading numbers per recording medium according to the maximum continuous reading number, andthe first sorting unit sorts the data read from the recording medium as necessary data when the continuous reading ratio is within a range of threshold, and sorts the data read from the recording medium as unnecessary data when the continuous reading ratio is less than the threshold.

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