4. Optics: image projectors
  5. Temperature control

Jeffrey Alan Gohman

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Flat valley fresnel lens

Optical: systems and elements – Projection screen – Unitary sheet comprising plural refracting areas
Reexamination Certificate

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Fresnel lens for use with rear projection display

Optical: systems and elements – Projection screen – Unitary sheet comprising plural refracting areas
Reexamination Certificate

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Rear projection display device having multiple mirrors that...

Optics: image projectors – Episcope – Reflector between lamp and screen
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Rear projection display device having multiple mirrors that...

Optics: image projectors – Distortion compensation
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Variable fresnel screen for use in projection device

Optics: image projectors – Temperature control
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Profile ID: LFUS-PAI-P-2400348

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