4. Television
  5. Video display
  6. Projection device

John D. Rudolph

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Coupler systems for projection televisions

Television – Video display – Projection device
Patent

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Light emissive signage devices based on lightwave coupling

Optical waveguides – Planar optical waveguide
Reexamination Certificate

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Optical systems for reflective LCD's

Optical: systems and elements – Polarization without modulation – Polarizarion by dichroism
Reexamination Certificate

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Optical systems for reflective LCDs

Liquid crystal cells – elements and systems – Liquid crystal system – Projector including liquid crystal cell
Reexamination Certificate

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Polarization arrangement

Optics: image projectors – Polarizer or interference filter
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1904012

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