Patent ID: 8111163

Claim:
A cable identifying system used with a RFID built-in cable having an administrative number and including RFID tags therein, each RFID tag having a responder comprising a radio transmitter/receiver and a memory device, operable without physical contact, the system comprising an external information storage apparatus to store an entire information of ID data stored in the memory device of each of a plurality of RFID tags of the RFID built-in cable, and a branch point RFID tag showing location data including data on a branch point within a path along which the RFID built-in cable is to be laid out, another external information storage apparatus to store information, associated with the administrative number, on a path along which the RFID built-in cable is to be laid out, the RFID built-in cable being arranged to be laid out on a basis of referencing both the ID data stored in the memory devices and in the external information storage apparatuses, ID data stored in the memory devices of the plurality of RFID tags of the RFID built-in cable and the location data having been stored in a memory device of the branch point RFID tag, being read without physical contact, wherein directional information on the path is arranged to be displayed with detecting a branched path at the branch point to which the RFID built-in cable forwards by referring to information stored in the external information storage apparatus and information stored in the another external information storage apparatus, in accordance with the ID data and the location data of the branch point RFID taq.