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

Andre Haufe

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Detection device

Radiant energy – Invisible radiant energy responsive electric signalling – Infrared responsive
Reexamination Certificate

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Multi-sensor doubled row direction sensitive counting and switch

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

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Profile ID: LFUS-PAI-P-1068635

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