4. Optical: systems and elements
  5. Lens
  6. With field curvature shaping

D. Scott Dewald

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Color correction filter for displays

Optics: image projectors – Composite projected image – Multicolor picture
Reexamination Certificate

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Compact optical engine for very small personal projectors...

Optics: image projectors – Prism in light path
Reexamination Certificate

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Compact optical engine for very small personal projectors...

Optics: image projectors – Prism in light path
Reexamination Certificate

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High contrast projection

Optics: image projectors – Light shield – mask – hood – or diaphragm
Reexamination Certificate

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High contrast projection

Optics: image projectors – Light shield – mask – hood – or diaphragm
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2089162

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