Data processing: financial – business practice – management – or co – Business processing using cryptography – Secure transaction
Reexamination Certificate
2006-12-26
2006-12-26
Cheung, Mary D. (Department: 3621)
Data processing: financial, business practice, management, or co
Business processing using cryptography
Secure transaction
C713S168000
Reexamination Certificate
active
07155418
ABSTRACT:
Detection of frauds and circulation of money can be managed while no special apparatus is required, electronic cash can be securely utilized, and personal information and information on individual's purchase are not unnecessarily known. An account management unit45stores an amount of money utilized by a user based on information for identifying the user and previously deposited funds. A clearing unit55instructs a payment institution to make a settlement. The user management unit35manages the information for identifying the user, and an account number of the user in the payment institution encrypted with a public key of a settlement processing apparatus. A communication unit37instructs an account management apparatus to change the balance of the previously deposited funds of the user stored therein based on the information for identifying the user, and instructs the settlement apparatus to execute a settlement based on the account number in the payment institution.
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Cheung Mary D.
Lerner David Littenberg Krumholz & Mentlik LLP
Sony Corporation
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