| 摘要 |
A portable container (2) for one or more articles (16) each tagged with a respective Radio Frequency Identification (RFID) device (18). The container (2) comprises: a bay (6) having at least one opening (O) for removal and/or placement of RFID-tagged articles (16) into the bay (6); a lid (15) for covering the at least one opening in the bay (6), wherein the lid (15) is openable to permit access to the bay (6); a detector device (21,22) for detecting RFID-tagged articles (16) located in the bay (6); a power supply (30) for supplying electrical power to the detector device (21,22). The container (2) further comprises: an electromagnetic shield (19,19a,19b,19c,19d) wherein the bay (6) and the at least opening in the bay (6) is enclosed by the electromagnetic shield and wherein the lid (15) forms part of the electromagnetic shield. |
