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

Jean C. Hauuy

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Optical method and optical device for distance measurement and t

Optics: measuring and testing – Range or remote distance finding – With photodetection
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Optical method for determining relative positions of two pieces

Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system
Patent

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Profile ID: LFUS-PAI-P-78353

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