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Access control system, access managing method, image forming device and computer program product

  • US 7,814,553 B2
  • Filed: 09/30/2004
  • Issued: 10/12/2010
  • Est. Priority Date: 06/02/2004
  • Status: Active Grant
First Claim
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1. An access control system for managing an access authority with respect to data stored in a storage device, the system comprising:

  • a control unit;

    the control unit comprising;

    a storage controlling portion for storing data in the storage device, the data are data to be given from a giving user who has logged in the access control system to a receiving user who receives the data and who is different from the giving user; and

    an access authority managing portion for granting an concurrent access authority to both the giving user and the receiving user to provide concurrent access to the data, in the event that the data are stored in the storage device; and

    wherein the access authority managing portion erases the access authority which has been granted to the giving user, when the giving user logs out of the access control system, while retaining access authority for the receiving user.

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