4. Optical: systems and elements
  5. Lens
  6. With support

Jong-chul Choi

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Beam shaping prism and optical pickup employing the same

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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Optical head and method of adjusting optical path thereof

Optical: systems and elements – Lens – With support
Reexamination Certificate

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Optical pickup apparatus

Dynamic information storage or retrieval – With servo positioning of transducer assembly over track... – Optical servo system
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2814273

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