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NEC Corp
Original Assignee
NEC Corp
Nippon Electric Co Ltd
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Filing date
Publication date
Application filed by NEC Corp, Nippon Electric Co LtdfiledCriticalNEC Corp
Priority to JP4384477ApriorityCriticalpatent/JPS53128911A/en
Publication of JPS53128911ApublicationCriticalpatent/JPS53128911A/en
PURPOSE: To secure matching of the signal with the transmission line band and thus to perform a stable data transmission, by giving modulation through the modulator synchronizing with the modulation velocity and having the synchronous detection through plural units of demodulators to add the output.