4. Optical: systems and elements
  5. Holographic system or element
  6. Using a hologram as an optical element

J. D. Ryan

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Guard holograms

Optical: systems and elements – Holographic system or element – Head up display
Patent

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Method and apparatus for providing correction of hologon transmi

Optical: systems and elements – Holographic system or element – Using a hologram as an optical element
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Optical sensor

Radiant energy – Ionic separation or analysis – Static field-type ion path-bending selecting means
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Spectacles

Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – With antiglare or shading
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Profile ID: LFUS-PAI-P-363353

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