The present invention relates to a sheet conveying apparatus comprising a communication device, which performs communications with an RFID tag attached to a sheet material passing through a conveyance path, wherein a maximum communicable distance between the communication device and the RFID tag on the...http://www.google.fr/patents/US7905403?utm_source=gb-gplus-shareBrevet US7905403 - Sheet conveying apparatus and image forming apparatus
Sheet conveying apparatus and image forming apparatus
