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

Per Wistrand

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Battery capacity measuring device

Data processing: measuring – calibrating – or testing – Measurement system in a specific environment – Electrical signal parameter measurement system
Patent

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Position feedback enhancement over a limited repositioning area

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

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Profile ID: LFUS-PAI-P-1081473

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