RELAY TRANSMISSION DEVICE AND CENTRALIZED METER-READING SYSTEM
PROBLEM TO BE SOLVED: To provide a centralized meter-reading system capable of collectively reading meters, at small cost in one place, via a relay transmission device compatible with communication modes of the respective meters, even when the meters in different communication modes are installed in...
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Main Authors | , , , |
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Format | Patent |
Language | English |
Published |
27.09.2007
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Subjects | |
Online Access | Get full text |
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