Communication circuit, relay connecting circuit, and communication network
The present invention provides a communication circuit, a relay connecting circuit, and a communication network that have a very simple configuration and high reliability, and can transmit/receive contact signals usable for automatic control. The present invention includes a transmitting section 4 f...
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Main Author | |
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Format | Patent |
Language | English French German |
Published |
19.09.2012
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Subjects | |
Online Access | Get full text |
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