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

Shigeyuki Sasanuma

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Lens driving apparatus

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

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Optical pickup apparatus and optical parts accommodation...

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

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Optical pickup device having a magnetic circuit whose poles are

Optical: systems and elements – Lens – With support
Patent

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Optical pickup with structure to reduce vibration

Dynamic information storage or retrieval – Dynamic mechanism subsystem – Specified detail of transducer assembly support structure
Reexamination Certificate

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Profile ID: LFUS-PAI-P-521090

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