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

Michiyoshi Sawada

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Light reception output controlling apparatus of photo...

Radiant energy – Photocells; circuits and apparatus – Photocell controls its own optical systems
Reexamination Certificate

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Light reception output controlling apparatus of photo...

Radiant energy – Photocells; circuits and apparatus – Photocell controls its own optical systems
Reexamination Certificate

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Optical disc apparatus and optical pickup unit

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 disk recording apparatus and control method thereof

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

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Optical recording apparatus and control method thereof

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-2328392

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