The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 28, 1999
Filed:
Apr. 18, 1997
Takekazu Maruyama, Mito, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
In a distributed type plant monitoring/controlling apparatus, data required to be synchronized with each other in a system can be synchronized with each other, and a system with high reliability and a high performance is provided. In a plant monitoring/controlling apparatus in which a plurality of clients communicated with each other via a network are arranged, the plant monitoring/controlling apparatus is equipped with one client functioning as an original client with respect to each of functions, the original client corresponding to a software server for each of the functions used to monitor and control the plant; an original client of a first function transmits data related to the first function to another client; and the another client receives the data transmitted from the first function original client to store the received data into a storage unit provided with the another client, whereby the data stored in each of other clients are synchronized.