4. Multiplex communications
  5. Diagnostic testing
  6. Fault detection

Takamitsu Shirai

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Exchange and an exchange system in a communication network

Telephonic communications – Plural exchange network or interconnection – Multi-pbx interconnection
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Line failure notifying apparatus for terminal apparatus

Multiplex communications – Diagnostic testing – Fault detection
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Method of transferring frames of variable length for a...

Multiplex communications – Communication techniques for information carried in plural... – Adaptive
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Profile ID: LFUS-PAI-P-2502439

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