Method and means for providing access to a library of digitized documents and images (US5649185)


	Parent Case:			CROSS-REFERENCES TO RELATED APPLICATIONS This application is a file-wrapper continuation under 37 CRF §1.62 of parent application No. 07/663,096 filed on Mar. 1, 1991, now abandoned.
	Designated Country:			DE FR GB
	Family:			Show 4 known family members
	First Claim: Show all 22 claims			What is claimed is: 1. In a data library system for controlling user access to a library of images, an image being a data representation of a document or a portion of a document, the system including at least one processor coupled to a client store, a library server coupled to an access control store, a library storage resource to hold the library of images, and one or more image servers coupled to the library storage resource for storage or retrieval of images, a method for transferring an image between a client process executing on the processor and the library storage resource, the library server maintaining in the access control store means for authenticating user identities and a catalog of the images stored in the library storage resource, the catalog containing entries each identifying an image and an associated image server controlling the library storage resource storing the image, the data library system further including a message-passing communication facility connecting the processor, the library server, and the image servers for message-based communication, and the library storage resource further including means for validating the access control store authority associated with the library server, the method including the steps of: the processor providing a first message from the client process to the library server, the first message including a new authenticating token, an associated request for transferring a requested image between the client process and the library and a name of an associated image port at the processor through which the requested image is to be transferred; in response to receipt by the library server of the first message, the library server using the authenticating means in the access control store to verify the new authenticating token, the library server using the catalog in the access control store to identify an associated image server with access to a library storage resource for storing the requested image, and the library server providing a second message from the library server to the associated image server, the second message including an image copy identifier unique to this request, a command for setting up transfer of the requested image between the client process and the library storage resource, and the name of the associated image port; in response to receipt by the associated image server of the second message, the associated image server using the validating means in the library storage resource and the unique image copy identifier to verify the authority of the library server to control the requested image, and the associated image server providing through the associated image port a third message to the processor for the client process including a command for transferring the requested image between the client process and the library storage resource through the associated image port; and in response to receipt by the processor of the third message, the processor and the associated image server transferring the requested image between the associated image port and the library storage resource under control of the associated image server.
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	Forward References:			Show 115 U.S. patent(s) that reference this one

U.S. References:

Go to Result Set: All U.S. references | Forward references (115) | Backward references (22) | Citation Link

Patent	Pub.Date	Inventor	Assignee	Title
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US5220637	1993-06	Bly et al.	AAI Corporation	Method and apparatus for controllably generating smoke
US5235680	1993-08	Bijnagte	Moore Business Forms, Inc.	Apparatus and method for communicating textual and image information between a host computer and a remote display terminal
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US5301350	1994-04	Rogan et al.	Unisys Corporation	Real time storage/retrieval subsystem for document processing in banking operations
US5502576	1996-03	Ramsay et al.	Ramsay International Corporation	Method and apparatus for the transmission, storage, and retrieval of documents in an electronic domain


	Foreign References:			None
	Other Abstract Info:			DERABS G92-294133
	Other References:			Simrin, Steven; MS-DOS Bible; 1988; Howard Sans & Co.; pp. 202-203. Communication, European Search Report, 923014863.4, Oct. 8, 1994, 3 pages. D.A. Arneson, "Mass Storage Archiving in Network Environments," 9th IEEE Symposium On Mass Storage Systems, 31 Oct. 88, Monterey, USA, pp. 45-49. C. Hogan et al., "The Livermore Distributed Storage System: Requirements and Overview," 10th IEEE Symposium On Mass Storage Systems, 7 May 1990, Monterey, USA, pp. 6-17. D.F. Reed, et al, "Automated Cartridge System Library Server", 10th IEEE Symposium On Mass Storage Systems, 7 May 1990, Monterey, USA, pp. 105-110. J. Foglesong, et al, "The Livermore Distributed Storage System: Implementation and Experience", 10th IEEE Symposium On Mass Storage Systems, 7 May 1990, Monterey, USA, pp. 18-25. On Mass Storage Systems, 7 May 1990, Monterey, USA, pp. 18-25. Patent Abstracts Of Japan, vol. 14, No. 50 (P-0998) 30 Jan. 1990 & JP-A-01 279 338 (NEC Corp.) Abstract. I. Kojima et al., "An Architecture Of Extensible Front-End DBMS For Object-Oriented Databases", in Collection of Talk Drafts, Info Proc. of Japan (Sep. 28-Sep. 30, 1987) pp. 377-379, with English translation. I. Kojima et al., "An Object-Oriented Database Language For The Open Multi-Media Database System", in Collection of Talk Drafts, Info, Proc. Soc. of Japan (Mar. 6-Mar. 18, 1988) pp. 407-409, with English translation. "A Reference Model For Mass Storage Systems" by Stephen W. Miller, Advances in Computers, vol. 27, pp. 157-211. "Computer Networks", by Andrew S. Tanenbaum, pp. 10-26. VMTP: Versatile Message Transaction Protocol, by David Cheriton, Version 0.3, pp. 1-28. "Exploiting Read-Mostly Workloads, The Filenet File System" By David A. Edwards and Martin S. McKendry, pp. 58-70. Research Report "Requirements Analysis For A Document Storage Subsystem", H.M. Gladney, P.E. Mantey, pp. 1-31. Research Report Architecture And Design Of A Document Storage Subsystem, H.M. Gladney et al, pp. 1-47. Research Report "The Starburst Long Field Manager" by Tobin J. Lehman and Bruce G. Lindsay, pp. 1-15. Operating Systems "A User Authentication Scheme Not Requiring Secrecy In The Computing", C. Weissman, Editor, pp. 437-442. AMC Transactions On Computer Systems "Secure Communication Using Remote Procedure Calls", Andrew D. Birrell, pp. 2-14. The IPS Cryptographic Programs, by A.G. Konheim et al IBM Syst J. vol. 19, No. 2, 1980, pp. 253-283. (31 pages) Cited by 2 patents
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