LandOfFree - US Patents - Listing for Optical communications

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Wavelength-selective routing using an optical add/drop...

Optical communications – Multiplex – Wavelength division or frequency division

Reexamination Certificate

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Wavelength-tunable light source and wavelength-division...

Optical communications – Multiplex – Wavelength division or frequency division

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Wavelength-tunable light source and wavelength-division...

Optical communications – Multiplex – Wavelength division or frequency division

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WDM channel equalization in add/drop-capable optical networks

Optical communications – Transmitter – Including compensation

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WDM channel monitoring system and method

Optical communications – Optical repeater system – Monitoring

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WDM communication system utilizing WDM optical sources with...

Optical communications – Multiplex – Wavelength division or frequency division

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WDM cross-connects for core optical networks

Optical communications – Multiplex – Optical switching

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WDM device, client device, network, system and method for...

Optical communications – Multiplex

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WDM layer-based optical chanel protecting device and method...

Optical communications – Fault recovery – Bypass inoperative element

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WDM network and WDM network device

Optical communications – Multiplex – Wavelength division or frequency division

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WDM network node module

Optical communications – Multiplex – Wavelength division or frequency division

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WDM optical channel dispersion compensating and monitoring...

Optical communications – Multiplex – Wavelength division or frequency division

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WDM optical communication system

Optical communications – Multiplex – Wavelength division or frequency division

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WDM optical communication system capable of monitoring...

Optical communications – Multiplex – Wavelength division or frequency division

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WDM optical communication system capable of monitoring...

Optical communications – Multiplex – Wavelength division or frequency division

Reexamination Certificate

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