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

Hans Oppelt

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Detector device having an array of detector elements for scannin

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

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Detector device responsive to infrared radiation

Radiant energy – Invisible radiant energy responsive electric signalling – Infrared responsive
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Profile ID: LFUS-PAI-P-27145

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