4. Telephonic communications
  5. Supervisory or control line signaling
  6. Signal reception at substation

Yasunari Shida

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Ringing tone signal detecting circuit

Telephonic communications – Supervisory or control line signaling – Signal reception at substation
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Signal disconnection detection circuit that ensures positive det

Electrical pulse counters – pulse dividers – or shift registers: c – Applications – Determining machine or apparatus operating time or...
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Profile ID: LFUS-PAI-P-1756608

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