RELAY BYPASS DEVICE FOR LOOP TRANSMISSION LINE

PURPOSE:To attain the common use with a loopback system by using a relay holding the state before power interruption if the drive power supply is lost so as to exclude an unstable operation. CONSTITUTION:Two each transmission lines l, 2 and transmission lines 3, 4 of different directions are connect...

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Bibliographic Details
Main Authors SATAKE MASAHITO, OTAKE ATSUSHI, MIZOKAWA SADAO, MARUYAMA HISAYUKI
Format Patent
LanguageEnglish
Published 17.05.1988
Online AccessGet full text

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