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File transfer system for secure remote file accesses

  • US 7,269,635 B2
  • Filed: 06/14/2002
  • Issued: 09/11/2007
  • Est. Priority Date: 09/27/2001
  • Status: Active Grant
First Claim
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1. A file transfer system for transferring a file stored in a second computer to a first computer through a network in response to a request made by a third computer to transfer the file and in dependence on a result of authentication of the third computer, the first computer being allowed to be used by anyone besides a user of the third computer, the file transfer system comprising:

  • a fourth computer, which is connected to the network, having a function of receiving the file transmitted from the second computer in response to a request made by the second computer, and a function of transmitting the file to the first computer in response to a request made by the first computer, wherein;

    the third computer, which is portable and connectable to the network, has a transmission requesting means for selectively designating a file among files stored in the second computer and requesting the second computer that the third computer be authenticated and the file be transmitted from the second computer to the first computer;

    the second computer has a means for finding the file requested by the third computer and a means for transmitting the file to a fourth computer after authenticating the third computer;

    the first computer has a means for requesting the fourth computer that the file received from the second computer be transferred to the first computer; and

    the fourth computer has a means for transmitting the file to the first computer in response to a request received from the first computer.

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