Patent 7567910 was granted and assigned to Yamaha (yacht) on July, 2009 by the United States Patent and Trademark Office.
A method is designed for validating an entrance to an event site. The method is carried out by the steps of accessing to a ticket issue server through a network by a portable terminal device to request an issue of ticket data, accepting a request of the ticket data at the ticket issue server and transmitting the ticket data in place of a physical ticket to the portable terminal device in response to the request, and receiving the ticket data by the portable terminal device to reproduce the ticket data in a visible or audible form at the event site for validating of the entrance to the event site.