| http://www.w3.org/ns/prov#value | - In the non-contact IC card system in the third aspect of the present invention, the amplification factor of a receiving amplifier is changed or connections to two types of receiving coil antennas differing from each other in at least one of the number of turns, position, thickness, number and other factors are changed to increase the receiving sensitivity in a data communication step for transmitt
|
