| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a tracking system using a tracking device with redundancy. <P>SOLUTION: A tracking device (a machine-readable medium 130) or system comprises: a radio frequency identification (RFID) circuit (an RFID transponder 310) disposed on a substrate 314; an encapsulation cap (an encapsulating material 320) encapsulating the substrate and the RFID circuit; and, an information bearing indicia (IBI) 113 disposed on the encapsulation cap, wherein the RFID circuit and IBI provide at least some similar information when read with a reading device 112. <P>COPYRIGHT: (C)2011,JPO&INPIT |
