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

Jeffrey A. Prsha

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Bore hole camera with improved forward and side view...

Television – Special applications – Hazardous or inaccessible
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Compact self-tuned electrical resonator for buried object...

Electricity: measuring and testing – Of geophysical surface or subsurface in situ – For small object detection or location
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Inductive clamp for applying signal to buried utilities

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – With coupling means
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Single and multi-trace omnidirectional sonde and line...

Communications: electrical – Condition responsive indicating system – Specific condition
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Slip ring assembly with integral position encoder

Electrical connectors – Interrelated connectors relatively movable during use – Movement about axis
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Profile ID: LFUS-PAI-P-1710917

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