×

NON-CONTACT IC MEDIUM COMMUNICATION DEVICE

  • US 20100245047A1
  • Filed: 12/03/2008
  • Published: 09/30/2010
  • Est. Priority Date: 12/04/2007
  • Status: Active Grant
First Claim
Patent Images

1. A non-contact IC medium communication device comprising:

  • receiving means for obtaining, from each of separate read areas, identification information of a non-contact IC medium that exists within the read area and a signal level of a reception signal received from the non-contact IC medium, the identification information and the signal level being associated with each other;

    operating means for performing difference operation or division with respect to respective signal levels of reception signals from the separate read areas, for each of the identification information, to obtain a composite signal level; and

    extracting means for extracting the identification information whose composite signal level falls within a predetermined threshold range.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×