LandOfFree - US Patents - Listing for Optical: systems and elements

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L band amplifier with distributed filtering

Optical: systems and elements – Optical amplifier – Correction of deleterious effects

Reexamination Certificate

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L band multistage amplifier with improved noise figure

Optical: systems and elements – Optical amplifier – Optical fiber

Reexamination Certificate

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L-band amplification with detuned 980nm pump

Optical: systems and elements – Optical amplifier – Optical fiber

Reexamination Certificate

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L-band erbium-doped fiber amplifier pumped by 1530 nm-band pump

Optical: systems and elements – Optical amplifier – Optical fiber

Reexamination Certificate

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L-band optical amplifier

Optical: systems and elements – Optical amplifier – Optical fiber

Reexamination Certificate

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L-band optical amplifier based on thulium-doped silica fiber...

Optical: systems and elements – Optical amplifier – Optical fiber

Reexamination Certificate

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L-band optical fiber amplifier

Optical: systems and elements – Optical amplifier – Optical fiber

Reexamination Certificate

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L-band optical fiber amplifier using seed beam

Optical: systems and elements – Optical amplifier – Optical fiber

Reexamination Certificate

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Label enlarging device

Optical: systems and elements – Lens – With viewed object or viewed field illumination

Reexamination Certificate

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Label for container

Optical: systems and elements – Miscellaneous

Patent

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Label having an incorporated electrochromic state-of-charge indi

Optical: systems and elements – Optical modulator – Light wave temporal modulation

Patent

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Label with a diffractive bar code and reading arrangement...

Optical: systems and elements – Holographic system or element – Authentication

Reexamination Certificate

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Ladder-structured photonic variable delay device

Optical: systems and elements – Optical modulator – Light wave temporal modulation

Patent

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Lamellar grating structure with polarization-independent...

Optical: systems and elements – Diffraction – From grating

Reexamination Certificate

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