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RFID network system

  • US 8,410,911 B2
  • Filed: 10/10/2008
  • Issued: 04/02/2013
  • Est. Priority Date: 04/16/2008
  • Status: Active Grant
First Claim
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1. A RFID readers/writers network system, comprising:

  • an external computer;

    a plurality of RFID readers/writers, the RFID readers/writers divided into sets of RFID readers/writers so that the external computer is connected to a set of RFID readers/writers comprised of plural RFID readers/writers;

    each RFID reader/writer comprising elements having only components for writing to a RFID tag, identifying the RFID tag, and obtaining information from a RFID tag; and

    at least one concentrator connected to the computer,each concentrator for controlling reading, writing, and verification of a related one of the sets of RFID readers/writers,wherein a hub is comprised of one concentrator and the related one set of RFID readers/writers, wherein each concentrator comprising;

    a concentrator processor running a control and automation program for controlling the reading, writing and verification operations of a corresponding set of RFID readers/writers connected to the concentrator, the corresponding set of RFID readers/writers comprising plural RFID readers/writers;

    concentrator processor support circuitry, for supporting the concentrator processor with low level processes;

    a RFID readers/writers interface controller connected to the concentrator processor, for controlling the communication between the concentrator processor and each RFID reader of the corresponding set of RFID readers; and

    an external computer interface controller, for controlling the communication between the concentrator processor and the external computer, andwherein the RFID readers/writers interface controller is connected to the concentrator processor by means of a level converter.

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