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

Carroll M. Steele

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Accurate three dimensional eye tracker

Optics: eye examining – vision testing and correcting – Eye examining or testing instrument – Objective type
Patent

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Double Purkinje eye tracker

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

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Profile ID: LFUS-PAI-P-1610014

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