4. Radiant energy
  5. Photocells; circuits and apparatus
  6. Optical or pre-photocell system

Willem G. Opheij

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Apparatus for optically scanning an information plane

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

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Apparatus for reading an optical radiation-reflecting informatio

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

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Apparatus for reading an optical radiation-reflecting record car

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

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Apparatus for reading an optical record carrier

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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Apparatus for reading an optical record carrier having a radiati

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

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Profile ID: LFUS-PAI-P-259432

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