4. Optics: measuring and testing
  5. Velocity or velocity/height measuring
  6. With light detector

Volker Grebe

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Electrical circuit for measuring the frequency of laser Doppler

Optics: measuring and testing – Velocity or velocity/height measuring – With light detector
Patent

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Optical device for measuring the speed of a moved surface by mea

Optical: systems and elements – Single channel simultaneously to or from plural channels – By refraction at beam splitting or combining surface
Patent

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Optical instrument

Optics: measuring and testing – Velocity or velocity/height measuring – With light detector
Patent

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Optical insturment having stage support

Radiant energy – Photocells; circuits and apparatus – Housings
Patent

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Profile ID: LFUS-PAI-P-82648

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