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Nippon Signal Co Ltd
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Nippon Signal Co Ltd
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Publication date
Application filed by Nippon Signal Co LtdfiledCriticalNippon Signal Co Ltd
Priority to JP15915275ApriorityCriticalpatent/JPS5283269A/en
Publication of JPS5283269ApublicationCriticalpatent/JPS5283269A/en
PURPOSE: To identifying the frequencies of plural information signals at high reliability with a single apparatus by using a digital phase clock loop circuit.