[특허]Joint information processing system comprising a plurality of terminal apparatuses guaranteeing identicalness of data pr

[미국특허] Joint information processing system comprising a plurality of terminal apparatuses guaranteeing identicalness of data pr 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	G06F-015/16
출원번호	US-0614087 (1990-11-15)
우선권정보	JP-0294983 (1989-11-15)
발명자 / 주소	Nakayama Yoshiyuki (Yokohama JPX) Mori Kenjiro (Machida JPX) Yamamitsu Tadashi (Hadano JPX)
출원인 / 주소	Hitachi, Ltd. (Tokyo JPX 03)
인용정보	피인용 횟수 : 54 인용 특허 : 0

초록 ▼

In a conferencing system including a plurality of workstations each having a multiwindow function connected to each other via a network, programs loaded in the respective workstations to control a conference are linked with each other through a logical circular control program\s path. A data item inputted from a workstation not having a data effectuation floor qualification is transmitted as a data item in an ineffective state to a next workstation. When received by a workstation possessing the effectuation floor qualification, the data in the ineffective state is converted into an effective data. In each station, application programs and utility programs are responsive only to the data in the effective state, which guarantees the identity of results of data processing achieved in the respective workstations.

대표청구항 ▼

A joint information processing system, including a plurality of terminal stations connected to each other via a communication network, wherein each of said terminal stations comprises: input means operated by a user to input data and/or commands; communication interface means connected to said communication network for receiving data and/or commands from another one of said terminal stations and for transferring the data and/or commands to said other one of said terminal stations; data process means coupled to said input means and said communication interface means for executing predetermined data processing operations using application programs for input data and/or input commands supplied from said input means and said communication interface means; and display means coupled with said data process means for displaying a result of data processing conducted by said data process means; said data process means including: (a) means for receiving data and/or commands from said input means; (b) means for selectively distributing data and commands to said application programs; and (c) communication control means operatively connected to receive input data and/or commands from said receiving means and said communication interface means and to selectively supply input data and/or commands to said distribution means and said communication interface means; said communication control means having: (i) first means for storing information to indicate whether said terminal station possesses an effectuation floor qualification to set data and/or commands into a particular category; and (ii) second means operatively connected to said first means, for adding a status identifier to received input data and commands when the information stored in said first means indicates that said terminal station has an effectuation floor qualification for input data and commands and when said received input data and commands are in an ineffective state, said status identifier denoting that the input data and commands are in the effective state, and for thereafter delivering the resultant data and commands with the added status identifier to both said communication interface means and said distributing means, and for delivering received input data and commands with no status identifier to said communication interface means when said information indicates that the terminal station has no effectuation floor qualification for the input data and commands; said data processing means in each terminal station operating so that only the input data and commands having a status identifier added thereto are subjected to data processing for joint information processing.

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[미국특허] Joint information processing system comprising a plurality of terminal apparatuses guaranteeing identicalness of data pr 원문보기

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[미국특허] Joint information processing system comprising a plurality of terminal apparatuses guaranteeing identicalness of data pr 원문보기

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