4. Electricity: measuring and testing
  5. Fault detecting in electric circuits and of electric components
  6. Of ground fault indication

David A. Langan

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Method and system for improving contrast using...

Image analysis – Pattern recognition – Template matching
Reexamination Certificate

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Method for detecting zero crossings in a rectified power signal

Electricity: measuring and testing – Fault detecting in electric circuits and of electric components – Of ground fault indication
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Profile ID: LFUS-PAI-P-1775999

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