(19)
(11) EP 1 696 605 A8

(12) CORRECTED EUROPEAN PATENT APPLICATION
published in accordance with Art. 158(3) EPC

(15) Correction information:
Corrected version no 1 (W1 A1)

(48) Corrigendum issued on:
10.01.2007 Bulletin 2007/02

(43) Date of publication:
30.08.2006 Bulletin 2006/35

(21) Application number: 05720239.2

(22) Date of filing: 08.03.2005
(51) International Patent Classification (IPC): 
H04L 12/28(2006.01)
 G06F 13/00(2006.01)
(86) International application number:
PCT/JP2005/003967
(87) International publication number:
WO 2005/088909 (22.09.2005 Gazette 2005/38)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR

(30) Priority: 10.03.2004 JP 2004067004

(71) Applicant: MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
Kadoma-shi, Osaka 571-8501 (JP)

(72) Inventors:
  • LEICHSENRING, Germano c/o Matsushita El.Ind.Co.Ltd
    Osaka-shi, Osaka 540-6319 (JP)
  • KANAMARU, Tomokazu c/o Matsushita El. Ind. Co. Ltd
    Osaka-shi, Osaka 540-6319 (JP)
  • OASHI, Masahiro c/o Matsushita Elec. Ind. Co. Ltd.
    Osaka-shi, Osaka 540-6319 (JP)

(74) Representative: Gassner, Wolfgang 
Dr. Gassner & Partner Nägelsbachstrasse 49a
91052 Erlangen
91052 Erlangen (DE)

   


(54) ACCESS CONTROL SYSTEM, ACCESS CONTROL DEVICE USED FOR THE SAME, AND RESOURCE PROVIDING DEVICE


(57) Has an object of discarding an access permission to be discarded quickly and preventing illegal use of a device providing resources. A communication unit 101 communicates with a resource use device 30 and a resource providing device 20. An access permission unit 106 instructs the resource providing device 20 to permit an access from the resource use device 30. A storage unit 103 stores information on the resource use device permitted to access as management information. The existence check unit 107 checks a communication state with the resource use device 30, the management information of which is stored in the storage unit 103. The access discard unit 108 instructs the resource providing device 20 to reject an access from the resource use device 30, communication with which is determined to be disconnected by the existence check unit 107.