4. Optical: systems and elements
  5. Lens
  6. With variable magnification

Fu-Ming Chuang

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Color wheel

Optical: systems and elements – Absorption filter – With support or frame
Reexamination Certificate

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Fixed-focus lens

Optical: systems and elements – Lens – Reverse telephoto
Reexamination Certificate

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High-resolution variable focus lens having an extra-long...

Optical: systems and elements – Lens – Telecentric system
Reexamination Certificate

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Illuminating apparatus for a projection display

Illumination – Light source and modifier – Plural serial lens elements or components
Reexamination Certificate

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Illuminating apparatus for a projection display

Illumination – Plural light sources – With modifier
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1219606

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