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Ultra high-speed adaptive and all-optical method for data...

Optical communications – Multiplex – Time division
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Ultra-dense wavelength and subcarrier multiplexed optical...

Optical communications – Multiplex – Wavelength division or frequency division
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Ultra-low latency multi-protocol optical routers for the...

Optical communications – Multiplex – Optical switching
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Ultra-short reach optical communications system and method...

Optical communications – Optical transceiver – Including optical fiber or waveguide
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Ultrahigh-speed clock extraction circuit

Optical communications – Transmitter and receiver system – Including synchronization
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Ultrasonic and infrared transmitter with tunable carrier...

Optical communications – Transmitter
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Uncooled laser generation of narrowcast CATV signal

Optical communications – Multiplex – Broadcast and distribution system
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Underwater optical communications system and method

Optical communications – Underwater
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Unequal pulse spacer

Optical communications – Multiplex – Time division
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Unified multi-carrier framework for multiple-access...

Optical communications – Multiplex – Subcarrier multiplexing
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Unified multi-carrier framework for multiple-access...

Optical communications – Multiplex – Subcarrier multiplexing
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Unified optical connector architecture

Optical communications – Optical communication over freee space – Transceivers
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Universal remote control unit with automatic appliance...

Optical communications – Remote control
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Unused band use right acquisition controlling method and...

Optical communications – Transmitter and receiver system – Passive system
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Upgrade of optical amplifier site to a digital optical...

Optical communications – Optical repeater system – Regenerative
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Upgradeable optical add/drop multiplexer

Optical communications – Multiplex – Wavelength division or frequency division
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USB communication transceiver using optical link

Optical communications – Hybrid communication system – Including specific optical interface
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Use of amplified spontaneous emission from a semiconductor...

Optical communications – Transmitter – Including specific optical elements
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Use of polarization for differentiation of information

Optical communications – Multiplex – Polarization
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Use of variable ratio couplers for network protection and...

Optical communications – Fault recovery – Bypass inoperative element
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