4. Optical: systems and elements
  5. Lens
  6. Including a nonspherical surface

Willem G. Ophey

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Device for scanning an optical record carrier having at...

Dynamic information storage or retrieval – Specific detail of information handling portion of system – Radiation beam modification of or by storage medium
Reexamination Certificate

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Head-mounted display

Optical: systems and elements – Single channel simultaneously to or from plural channels – By partial reflection at beam splitting or combining surface
Patent

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Head-mounted display

Computer graphics processing and selective visual display system – Image superposition by optical means – Operator body-mounted heads-up display
Reexamination Certificate

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Image display device and head-mounted display comprising such a

Optical: systems and elements – Single channel simultaneously to or from plural channels – By partial reflection at beam splitting or combining surface
Patent

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Optical beam shaper, and radiation source unit and scanning devi

Optical: systems and elements – Lens – Including a nonspherical surface
Patent

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Profile ID: LFUS-PAI-P-816221

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