LandOfFree - US Patents - Listing for Optical communications,Multiplex,Wavelength division or frequency division

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Optical add drop multiplexer

Optical communications – Multiplex – Wavelength division or frequency division

Reexamination Certificate

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Optical add-drop multiplexer

Optical communications – Multiplex – Wavelength division or frequency division

Reexamination Certificate

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Optical add-drop multiplexer

Optical communications – Multiplex – Wavelength division or frequency division

Reexamination Certificate

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Optical add-drop multiplexer

Optical communications – Multiplex – Wavelength division or frequency division

Reexamination Certificate

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Optical add/drop device

Optical communications – Multiplex – Wavelength division or frequency division

Reexamination Certificate

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Optical add/drop device

Optical communications – Multiplex – Wavelength division or frequency division

Reexamination Certificate

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Optical add/drop multiplexer

Optical communications – Multiplex – Wavelength division or frequency division

Reexamination Certificate

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Optical add/drop multiplexer

Optical communications – Multiplex – Wavelength division or frequency division

Reexamination Certificate

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Optical add/drop multiplexer and optical network system

Optical communications – Multiplex – Wavelength division or frequency division

Reexamination Certificate

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Optical add/drop multiplexer having a banded channel...

Optical communications – Multiplex – Wavelength division or frequency division

Reexamination Certificate

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Optical add/drop multiplexer utilizing variable optical...

Optical communications – Multiplex – Wavelength division or frequency division

Reexamination Certificate

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Optical add/drop multiplexer with reconfigurable add...

Optical communications – Multiplex – Wavelength division or frequency division

Reexamination Certificate

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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 add/drop multiplexing systems

Optical communications – Multiplex – Wavelength division or frequency division

Reexamination Certificate

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Optical apparatus using a phase grating

Optical communications – Multiplex – Wavelength division or frequency division

Reexamination Certificate

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Optical burst transport using an electro-optic switch

Optical communications – Multiplex – Wavelength division or frequency division

Reexamination Certificate

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Optical calibration

Optical communications – Multiplex – Wavelength division or frequency division

Reexamination Certificate

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Optical channel monitor

Optical communications – Multiplex – Wavelength division or frequency division

Reexamination Certificate

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Optical channel power equalizer

Optical communications – Multiplex – Wavelength division or frequency division

Reexamination Certificate

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Optical channel regulator and method

Optical communications – Multiplex – Wavelength division or frequency division

Reissue Patent

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