SYSTEM AND METHOD FOR CONTROLLING ELECTRIC FIELD COMMUNICATION AND ELECTRIC FIELD COMMUNICATION DEVICE

摘要

PPROBLEM TO BE SOLVED: To certainly prevent usage of a portable device by other person except the owner. PSOLUTION: Usage of the portable device by a third person who does not have a personal electric field communication device is prevented by operating the portable device arranging a control electric field communication device, when personal identification information sent from the personal electric field communication device conforms to personal identification information stored in the control electric field communication device. PCOPYRIGHT: (C)2007,JPO&INPIT