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

David C. Nelm

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Cylindrical container's inner surface tester

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

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Optical pickup system having multiple diffraction devices and le

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

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Profile ID: LFUS-PAI-P-1201508

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