Patent ID: 8963684
Filing Date: 2015-02-24
Classification: C12M,G06K,G06Q,G11C

Abstract:
1. A method of authenticating a component to confirm the component is suitable for use, the method comprising: receiving a component having a radio-frequency identification (RFID) device attached thereto, the RFID device including memory having redundant authentication information therein, wherein the component and the RFID device have been sterilized using radiation, at least one region of the memory being corrupted by the radiation; obtaining multiple readings of the memory, including data from the at least one region corrupted by the radiation, the multiple readings being obtained by an RFID reader that at least one of (a) uses different power levels to read the memory or (b) is located at different distances from the RFD device when the memory is read; analyzing the multiple readings to determine the authentication information; and authenticating the component using the authentication information to confirm that the component is suitable for use, wherein authenticating includes analyzing or processing the authentication information in a predetermined manner.