Cryptography – Communication system using cryptography – Wireless communication
Reexamination Certificate
2004-08-24
2011-10-11
Shiferaw, Eleni (Department: 2437)
Cryptography
Communication system using cryptography
Wireless communication
C713S161000, C713S163000, C713S192000, C713S193000, C726S004000, C726S005000, C726S009000, C726S010000, C726S021000, C705S051000
Reexamination Certificate
active
08036386
ABSTRACT:
An electronic ticket providing system capable of distributing and browsing the information relating to a ticket can be realized while maintaining the security and transferability of an IC card. The electronic ticket information is divided into formal ticket data and provisional ticket data. The formal ticket data includes authentication information for admission, ticket notation information, and authentication information for acquisition of information for a ticket owner. The provisional ticket data includes the ticket notation information, and authentication information for acquisition of information for a ticket purchase requester. The electronic ticket information is distributed from an electronic ticket vending server to a mobile telephone over a communications network. In the mobile telephone, the formal ticket data is stored in a removable storage medium such as an IC card, etc. having high security and transferability, and the provisional ticket data is stored in the internal memory. In the electronic ticket vending server, ticket related information is transmitted if it is confirmed that the provisional ticket data is stored according to the authentication information for acquisition of information for a ticket purchase requester in the provisional ticket data.
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European Search Report dated Nov. 17, 2004.
Japanese Office Action with English Translations.
Gelagay Shewaye
NEC Corporation
Shiferaw Eleni
Whitham Curtis Christofferson & Cook PC
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