Patent ID: 6807380
Filing Date: 2004-10-19
Classification: G03G

Abstract:
A wireless communication system provided at a device comprising a device main body and a plurality of cartridge accessories insertably and removably mounted at the device main body, the system comprising:at least one main body side antenna disposed at the device main body; and tag side antennas attached at the cartridge accessories, two of the tag side antennas are disposed sandwiching and facing the one main body side antenna, wherein the tag side antennas are supported by the cartridge accessories such that coil axes of the tag side antennas are substantially perpendicular to a direction of insertion and removal of the cartridge accessories into and from the device main body, and the main body side antenna is supported by the device main body such that a coil axis of the main body side antenna is substantially parallel with at least one of the coil axes of the tag side antennas.