ANTENNA

PROBLEM TO BE SOLVED: To prevent damage to a communication device, enable a change of setting position, and cantilever a sheet member movably, in a curtain-shaped antenna comprising communication devices for radio communication with an information storage medium attached to an object and a sheet member for removable setting of the communication devices. SOLUTION: The curtain-shaped antenna 30 comprises the communication devices 1 for radio communication with an information storage medium 10 attached to an object 20, and the sheet member 31 for removable setting of the communication devices 1, and is suspended so as to flap by contact with the object 20. The sheet member 31 has, in a plurality of columns, bag-shaped storage parts 32 for storing the removable communication devices 1 and weight storage parts 34 for storing weight members 3. The communication devices 1 are fixed in the storage parts 32 so as to be repositioned. One support point of a beam member 35 over the sheet member 31 is supported by one support member 36. A moving means 37 such as rollers is disposed on the bottom of the support member 36. COPYRIGHT: (C)2006,JPO&NCIPI