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

Marcel Schemmann

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Device and method for measuring relative movement

Optics: measuring and testing – Range or remote distance finding – With photodetection
Reexamination Certificate

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Method of measuring relative movement in two dimensions of...

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

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Profile ID: LFUS-PAI-P-2175027

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