Electronic ticket system

The electronic ticket system according to any one of claims 1-5, further comprising an admittance management terminal for authenticating the encrypted data stored in said storage medium at a ticket gate for authentication of the ticket, the admittance management terminal comprising:

• electronic-ticket-information storage means for storing the information on said electronic ticket;
• encrypted data detecting means for detecting the encrypted data stored in said storage medium;
• verifying means for verifying information on the encrypted data detected by said encrypted data detecting means against the information stored in said electronic-ticket-information storage means;
• and
• ticket gate control means for performing control of opening and closing of the ticket gate based on the verification of said verifying means.

An electronic ticket system for issuing a ticket in electronic form by use of a server computer, comprising:

• ticket information storage means for storing ticket information indicative of contents of the ticket to be issued;
• ticket application receiving means for requiring a ticket applicant's computer terminal to input personal information on said ticket applicant over a computer network, while disclosing the ticket information stored in said ticket information storage means, to require the ticket applicant's computer terminal to select said ticket information;
• authentication means for authenticating said inputted personal information;
• encryption means for encrypting an electronic ticket including said selected ticket information to obtain encrypted data, after the authentication is executed by said authentication means;
• and
• electronic ticket issuing means for transmitting said encrypted data encrypted by said encryption means to the applicant's computer terminal over the computer network.

An electronic ticket system for issuing a ticket in electronic form by use of a server computer, comprising:

• ticket information storage means for storing ticket information indicative of contents of the ticket to be issued;
• ticket application receiving means for requiring a ticket applicant's computer terminal to input personal information on said ticket applicant over a computer network, while disclosing the ticket information stored in said ticket information storage means, to require the ticket applicant's computer terminal to select said ticket information;
• authentication means for authenticating said inputted personal information;
• encryption means for encrypting an electronic ticket including said selected ticket information to obtain encrypted data, after the authentication is executed by said authentication means;
• electronic ticket storage means for storing information on the electronic ticket to be encrypted into said encrypted data;
• and
• electronic ticket issuing means for transmitting said encrypted data encrypted by said encryption means to the applicant's computer terminal over the computer network.