4. Dynamic information storage or retrieval
  5. Control of storage or retrieval operation by a control...
  6. Mechanism control by the control signal

Johannes Hendrikus Maria Spruit

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Device and method for scanning an optical recording medium...

Dynamic information storage or retrieval – With servo positioning of transducer assembly over track... – Optical servo system
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Device for detecting position information from an optical...

Dynamic information storage or retrieval – Control of storage or retrieval operation by a control... – Control of information signal processing channel
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Methods, optical recording apparatus using such methods and...

Dynamic information storage or retrieval – Control of storage or retrieval operation by a control... – Mechanism control by the control signal
Reexamination Certificate

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Optical record carrier

Dynamic information storage or retrieval – Storage medium structure – Optical track structure
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Optical recording carrier having groove wobble phase changes...

Dynamic information storage or retrieval – Storage medium structure – Optical track structure
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Profile ID: LFUS-PAI-P-2378737

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