Sony Awarded US Patent 7,311,246 for Electronic Value Exchange
A Japanese inventor, Shigeru Arisawa of Tokyo, was issued US patent 7,311,246 on Dec. 25 for a "method and system of transmitting electronic value information between terminals." The patent has been assigned to Sony Corporation.
The patent, assigned to Sony Corporation, is based upon an original application that was filed on Nov. 18, 2005 and includes the steps of:
- authenticating each other between a transmission source terminal and a destination terminal
- sharing authentication for common information obtained by the authentication
- encrypting data including the electronic value information to be transmitted
- transferring the encrypted electronic value information to the destination terminal when the terminals are recognized with each other
- temporarily invalidating the electronic value information left in the source terminal
- transmitting reception confirmation to the source terminal when the destination terminal completes reception of the electronic value information
- deleting the invalidated electronic value information left in the source terminal when the reception confirmation is received by the source terminal
- transmitting validation information to the destination terminal after the deletion of the electronic value information in order to validate the electronic value information
- receiving and validating the electronic value information by the destination terminal.
A full PDF of the patent is available from PatentFetcher.com.
Stumble It!
Sounds identical to Mondex. Should be fun.
Posted by: Dave Birch | December 28, 2007 at 11:29 AM