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

Christiaan H. F. Velzel

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Apparatus for optically reading a record carrier and correcting

Facsimile and static presentation processing – Facsimile – Specific signal processing circuitry
Patent

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Device for optically scanning an information plane detecting bor

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

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Method and interference microscope for microscoping an object in

Optics: measuring and testing – By polarized light examination – With birefringent element
Patent

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Optical height detector with coaxial irradiation and image axes

Radiant energy – Photocells; circuits and apparatus – With circuit for evaluating a web – strand – strip – or sheet
Patent

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Optical record carrier scanning apparatus with scanning beam foc

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

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Profile ID: LFUS-PAI-P-649845

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