4. Optical communications
  5. Diagnostic testing
  6. Determination of communication parameter

Haruki Tanaka

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Optical add/drop multiplexer, control method therefor and...

Optical communications – Multiplex – Wavelength division or frequency division
Reexamination Certificate

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Optical transmission system

Optical communications – Diagnostic testing – Determination of communication parameter
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Optical-level control method, optical-level control...

Optical: systems and elements – Optical amplifier – Optical fiber
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Profile ID: LFUS-PAI-P-3141066

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