4. Dynamic information storage or retrieval
  5. With servo positioning of transducer assembly over track...
  6. Optical servo system

Tsunehiro Maruo

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Apparatus for detecting the direction of a magnetic field to sen

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Frequency of cyclic current or voltage
Patent

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Data storage disk drive with a piezoelectric member and a resili

Dynamic information storage or retrieval – Specific detail of information handling portion of system – Radiation beam modification of or by storage medium
Patent

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Optical pickup apparatus including an optical rotation device

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

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Optical pickup apparatus including hologram element

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

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Position detecting signal generator

Electricity: measuring and testing – Electrical speed measuring – Including speed-related frequency generator
Patent

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Profile ID: LFUS-PAI-P-521944

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