LandOfFree - US Patents - Listing for Electricity: measuring and testing,Measuring, testing, or sensing electricity, per se,Frequency of cyclic current or voltage

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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 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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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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Determination of electric current flow patterns

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

Patent

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Determination of remanent magnetization of an earth formation pe

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

Patent

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Determination of the polarity of remanent magnetization of an ea

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

Patent

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Determination of the polarity of remanent magnetization of an ea

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

Patent

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Determining location of faults in power transmission lines

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

Patent

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Device and method for measuring jitter in phase locked loops

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

Reexamination Certificate

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Device and method for testing phase-locked loops

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

Reexamination Certificate

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Device and method for the analysis of a measured signal...

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

Reexamination Certificate

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Device for checking the insulation of the leads connecting a gen

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

Patent

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Device for compensation of transfer functions

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

Patent

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Device for continuously measuring the rate at which fibers condu

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

Patent

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Device for determining a high-voltage potential in metal-encapsu

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

Patent

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Device for determining the state of charge in batteries

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

Patent

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Device for displaying analog signals on a raster scanning displa

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

Patent

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Device for geophysical prospecting of ore deposits

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

Patent

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