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Detection of arcing faults in generator windings

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – With rotor
Patent

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Detection of arcing faults in polyphase electric machines

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Frequency of cyclic current or voltage
Patent

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Detection of asymmetrical load in an AC circuit

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – With voltage or current conversion
Reexamination Certificate

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Detection of DC content in an AC waveform

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Transient or portion of cyclic
Patent

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Detection of faults in the insulation of an electrical conductor

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Frequency of cyclic current or voltage
Patent

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Detection of ground faults in ungrounded DC power supply systems

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Frequency of cyclic current or voltage
Patent

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Detection of potential on high-voltage transmission lines

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Nonquantitative
Patent

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Detection of radio frequency emissions

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – With rotor
Patent

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Detection of semiconductor failures by photoemission and electro

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – With rotor
Patent

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Detection of single-frequency signals

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Frequency of cyclic current or voltage
Patent

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Detection of tampering of kilowatt-hour meters for measuring ele

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Meter protection or fraud combatting
Patent

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Detection of transposition group short circuits in machine windi

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – With rotor
Patent

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Detection of tri-state logic signals

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – With rotor
Patent

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Detector circuit for current measurements

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Magnetic saturation
Patent

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Detector circuit for detecting a phase signal of a polyphase alt

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – With rotor
Patent

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Detector circuit for measuring current

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Magnetic saturation
Reexamination Certificate

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Detector circuit with improved bandwidth

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se
Reexamination Certificate

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Detector device for converting A.C. inputs to an D.C. output and

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Frequency of cyclic current or voltage
Patent

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Detector for detecting the state of electrically non-conductive

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Frequency of cyclic current or voltage
Patent

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Detector of quantity of electricity

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Nonlinear
Patent

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