4. Optical communications
  5. Transmitter and receiver system
  6. Passive system

Hyun Deok Kim

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4-port wavelength selective router

Optical waveguides – With optical coupler – Plural
Reexamination Certificate

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Automatic retrieval of wavelength-division multiplexed ring...

Optical communications – Fault recovery – Bypass inoperative element
Reexamination Certificate

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Bi-Directional add/drop multiplexer and bidirectional...

Optical waveguides – With optical coupler – Plural
Reexamination Certificate

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Bi-directional optical-amplifier module

Optical: systems and elements – Optical amplifier – Optical fiber
Reexamination Certificate

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Bidirectional add/drop multiplexer and bidirectional...

Optical waveguides – With optical coupler – Plural
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2201779

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