4. Dynamic information storage or retrieval
  5. Specific detail of information handling portion of system
  6. Radiation beam modification of or by storage medium

Mark O. Freeman

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Chiral smectic liquid crystal optical modulators having variable

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

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Diffractive stack pickup head for optical disk drives and...

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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Diffractive stack pickup head for optical disk drives and...

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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Dual-wavelength optical pickup head

Radiant energy – Photocells; circuits and apparatus – Photocell controlled circuit
Reexamination Certificate

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Embedded relay lens for head-up displays or the like

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

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Profile ID: LFUS-PAI-P-612323

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