Patent ID: 8410911
Filing Date: 2013-04-02
Classification: H04Q

Abstract:
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, and wherein the RFID readers/writers interface controller is connected to the concentrator processor by means of a level converter.