专利名称：Duplex system of transmission lines in a loop network
发明人：Kenzo Kobayashi,Yutaka Iwagaki,Mitsuyo Hagawa,Kazushi Suganuma
申请号：US07/286614
conner申请日：19881219
我不会说话>rad英语拼读公开号：US04930119A
公开日：
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19900529
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专利内容由知识产权出版社提供
摘要：Disclod is a duplex system of transmission lines in a loop network applied, for example, to a local area network. To realize an autonomous recognition of transmission line faults by each communication node and to enable a rapid and automatic reconstruction of a network, each communication node compris a loop back circuit for effecting a loop back operation in respon to a predetermined state of signals received from two directions of the duplex loop lines, and a return indication circuit for adding, to a transmitted signal a return indication that a received signal was returned when the received signal could not be pasd through the node.
申请人：FUJITSU LIMITED
bearish代理机构：Staas & Haly什么是工程管理
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