ELECTRONIC TICKET SYSTEM, ELECTRONIC TICKET ISSUEING APPAERATUS, ELECTRONIC TICKET CHECKER AND PORTABLE COMMUNICATION UNIT

摘要

PROBLEM TO BE SOLVED: To flexibly control functions of a portable communication unit where the ticket issue side has stored user side electronic tickets.;SOLUTION: The portable communication unit 300 comprises an information memory 90 for storing electronic ticket information 91 including ticket information, an internal clock 19, an information extractor 82 for extracting forbidden time information designating a time period for stopping a part or all of functions provided in the portable communication unit 300 from the electronic ticket information 91, and a function limiter 83 for stopping a part or all of the functions provided in the portable communication unit 300 based on the forbidden time information and time information clocked by the internal clock 19.;COPYRIGHT: (C)2006,JPO&NCIPI