Patent ID: 8036386

Claim:
An electronic ticket providing system, comprising an electronic ticket vending apparatus and a mobile telephone for providing electronic ticket information from the electronic ticket vending apparatus to the mobile telephone through a communications network, the system comprises: control circuit, in the electronic ticket vending apparatus, for controlling distribution of electronic ticket information to the mobile telephone, wherein said electronic ticket information is divided into formal ticket data and provisional ticket data wherein said formal ticket data comprises event information, authentication information for admission, and formal ticket authentication information, and said provisional ticket data comprises the event information and provisional ticket authentication information; and wherein the mobile telephone comprises: internal memory; Integrated Circuit (IC) card reader/writer for reading from and writing to a removable storage medium; storage control circuit for controlling storage of the formal ticket data in the removable storage medium, and return of said formal ticket authentication information from said mobile to said electronic ticket vending apparatus, and controlling storage of the provisional ticket data in the internal memory, and return of said provisional ticket authentication information from said mobile telephone to said electronic ticket vending apparatus; and wherein the electronic ticket vending apparatus performs authentication confirming storage of the provisional ticket data in the internal memory of the mobile telephone in response to an acquisition request from the mobile telephone and permitting transmission of information of the provisional ticket to the mobile phone based on an authentication result.