A METHOD AND SYSTEM FOR MAINTAINING ACCESS SECURITY OF INPUT AND OUTPUT OPERATIONS IN A COMPUTER SYSTEM - Patent 0679270

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EP 0 679 270 A1

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(43)	Date of publication:
	02.11.1995 Bulletin 1995/44

(21)	Application number: 94932122.0

(22)	Date of filing: 28.10.1994

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International Patent Classification (IPC):

G06F 12/ 14^{( . )}
G06F 12/ 00^{( . )}
G06F 21/ 00^{( . )}
G06F 21/ 24^{( . )}

G06F 1/ 00^{( . )}
G06F 17/ 21^{( . )}
G06F 21/ 22^{( . )}

(86)	International application number:
	PCT/US1994/012457

(87)	International publication number:
	WO 1995/014266 (26.05.1995 Gazette 1995/22)

(84)	Designated Contracting States:
	BE CH DE DK ES FR GB GR IT LI NL SE

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Priority:

15.11.1993 US 19930152804

(71)	Applicant: Hughes Aircraft Company
	Los Angeles, California 90045-0066 (US)

(72)	Inventors:
	HAYES, John, L. Anaheim, CA 92801 (US) HYMAN, Paul, M. Placentia, CA 92670 (US)

(74)	Representative: Grünecker, Kinkeldey, Stockmair & Schwanhäusser Anwaltssozietät
	Maximilianstrasse 58 D-80538 München D-80538 München (DE)

(54)	A METHOD AND SYSTEM FOR MAINTAINING ACCESS SECURITY OF INPUT AND OUTPUT OPERATIONS IN A COMPUTER SYSTEM