4. Radiant energy
  5. Photocells; circuits and apparatus
  6. Photocell controls its own optical systems

Yasushi Kumamaru

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Method of and apparatus for adjusting the focus position of...

Radiant energy – Photocells; circuits and apparatus – Photocell controls its own optical systems
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Optical pickup astigmatism measuring method, optical pickup...

Dynamic information storage or retrieval – With servo positioning of transducer assembly over track... – Optical servo system
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Profile ID: LFUS-PAI-P-2997977

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