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Access control system, and access control device and resource providing device used for the same

  • US 20070162674A1
  • Filed: 03/08/2005
  • Published: 07/12/2007
  • Est. Priority Date: 03/10/2004
  • Status: Abandoned Application
First Claim
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1. An access control device for controlling an access from a resource use device to a resource providing device for using a resource provided by the resource providing device;

  • the access control device comprising;

    a communication unit for communicating with the resource use device and the resource providing device;

    an access permission unit for instructing the resource providing device via the communication unit to permit an access from the resource use device;

    a storage unit for storing information on the resource use device which has been permitted to access by the access permission unit as management information;

    an existence check unit for checking a communication state with the resource use device, the management information of which is stored in the storage unit, via the communication unit; and

    an access discard unit for instructing the resource providing device via the communication unit to reject an access from the resource use device, communication with which is determined to be disconnected by the existence check unit.

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