[특허]Distributed computer system providing simultaneous access to a plurality of users

[미국특허] Distributed computer system providing simultaneous access to a plurality of users 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	G06F-013/00
출원번호	US-0658706 (1996-06-05)
우선권정보	GB-0022645 (1992-10-28)
발명자 / 주소	Hughes Philip Thomas (Longstanton GBX) Plant Tony (Harlow GBX)
출원인 / 주소	Northern Telecom Limited (Montreal CAX 03)
인용정보	피인용 횟수 : 19 인용 특허 : 6

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A distributed computer system is provided with a listener system interposed between the application server and the surface interfaces of the system. The listener system supervises processing of user entered commands and provides substantially simultaneous feedback of system status and progress of th

대표청구항 ▼

A distributed computer system adapted to provide simultaneous interactive access by a plurality of users, the system including a first computer, an application server associated with the first computer, a plurality of further computers each in communication with the first computer whereby to access the application server via the first computer and each having means including a user interface whereby to provide user access to the system so as to permit simultaneous access by more than one user to a document, and a listener system responsive to user generated events interposed between the application server and each said user interface, wherein the listener system comprises an application listener associated with the application server and a plurality of surface listeners one associated with each said user interface, wherein the application listener and surface listeners each have a first free condition and a second busy condition, wherein each said listener is responsive to both application and user events in its free condition, wherein each said surface listener has first processor means responsive to an application event or a user event at that surface listener for relaying that event to the application listener, wherein the application listener has switch means responsive to a said relayed event for switching the application listener from its free condition to its busy condition, wherein the application listener has signalling means responsive to the switching to its busy condition for sending a signal to all said surface listeners so as to cause each said surface listener to enter its busy condition and to provide to the respective further computer a message indicative of the change in condition and of the nature and origin of the event causing change in condition, wherein the application listener has second processor means responsive to the switching from its free condition to its busy condition for relaying the corresponding event to the application server for processing, for relaying the result of said processing to the originating surface listener and for resetting all surface listeners to their free condition, and wherein each said surface listener has means responsive to the change from its busy condition. to its free condition for notifying its respective further computer that said processing is completed whereby to provide substantially simultaneous indication to all system users of the status and progress of the system response to user interaction with the system and to permit a number of said users to work together on a single document and ensure that each user of said number of users is made aware of actions performed by others of said number of users.

이 특허에 인용된 특허 (6) 인용/피인용 타임라인 분석

Berkowitz David B. (Palo Alto CA) Hao Ming C. (Los Altos CA) Lieu Hung C. (Santa Clara CA) Snow Franklin D. (Saratoga CA), Collaborative computing system using pseudo server process to allow input from different server processes individually a.
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Lapourtre Charles (Heeze NLX) Rolf Gerard H. (Winssen NLX), Distributed office automation system with specific task assignment among workstations.
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Gore Brooklin J. (Boise ID) Mosby John D. (Eagle ID), Remote plotting of integrated circuit layout in a network computer-aided design system.
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Hammer William E. (Rochester) Schwane Walter H. (Kasson) Ziecina Frederick J. (Rochester MN), Remote storage management mechanism and method.
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Mann Bruce E. (Mason NH) Saether Christian D. (Seattle WA) Wells Philip J. (Maynard MA), Transferring messages between nodes in a network.
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Laggis George E. (Naperville IL) Meyer Paul F. (Wheaton IL), User and application program transparent resource sharing multiple computer interface architecture with kernel process l.
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이 특허를 인용한 특허 (19) 인용/피인용 타임라인 분석

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Salas Pito ; Beir Jeffrey ; Leffler Melissa ; Glenn McDonald ; Kleppner Paul ; Morrissey Craig ; Tonra ; Jr. James E., Method and apparatus for controlling access to a product.
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Nguyen Binh Q. ; Redpath Richard J. ; Singhal Sandeep Kishan, Method and system for a remote notification service for a multi-user server architecture.
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[미국특허] Distributed computer system providing simultaneous access to a plurality of users 원문보기

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