专利名称：Local area network data transfer system and data acquisition modulemassage是什么意思
发明人：Sears, Leslie Ray, III,Woodall, Edward
Lewis,Clark, Mark Allen,Pitts, Alan Joe,Green,
Michael Lawrence,Roberts, Don
Michael,Crain, Stephen Franklin,Daunis,
Eugene Joph
申请号：EP87302622.3
翻译公司介绍
申请日：19870326
公开号：EP0240244A2九年级英语单词
公开日：
weaver
19871007
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专利内容由知识产权出版社提供
摘要：A data monitoring system includes a display unit for communicating with an operation that has charac t eristics which are to be monitored, a recording unit located remotely from the environment of the monitored operation, and a local area network interconnect circuit for connecting the display and recording units. The local area network circuit allows multiple display units to be connected to a single pair of electrical conductors. Each display unit has at least one dual microcomputer configuration interconnected by a shared dual port random access memory. A data acquisition apparatus inclu d ing two microcomputers interconnected by a shared dual access digital storage de
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indifferent>kol什么意思vice, forms another aspect of the invention. One microcomputer obtains the data related to the monitored condition, stores it in the digital storage device, and modifies a status word which is monitored by the other microcomputer. When the other microcomputer detects a change in the status word, it takes the data from the shared
digital memory and moves it into its own memory for subquent u or transfer. The data aquisi t ion apparatus also includes, in a preferred embodiment, analog switches and a digital to analog converter by which external analog devices can be controlled to change the monitored operation.
申请人：HALLIBURTON COMPANY
地址：P.O. Drawer 1431 Duncan Oklahoma 73536 US
韩语教程国籍：US
代理机构：Wain, Christopher Paul
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