LandOfFree - US Patents - Listing for Electricity: measuring and testing,Measuring, testing, or sensing electricity, per se

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Watthour meter and optical pickup test device and method

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Plural inputs

Reexamination Certificate

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Watthour meter comprising a Hall sensor and a voltage-frequency

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Plural inputs

Patent

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Watthour meter for wye connected systems

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Plural inputs

Patent

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Watthour meter or wattmeter comprising hall sensors

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Plural inputs

Patent

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Watthour meter system

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

Patent

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Watthour meter with isolation transformers having a feedback loo

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Plural inputs

Patent

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Watthour meter with temperature compensation for wye connected s

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Plural inputs

Patent

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Wattmeter

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Plural inputs

Patent

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Wattmeter

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Plural inputs

Patent

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Wattmeter comprising a hall sensor and an A/D converter

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Plural inputs

Patent

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Wattmeter housing for a power carrying line

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

Patent

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Wave-leakage measuring apparatus and measuring method

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – With waveguide or long line

Patent

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Waveform analysis system

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Analysis of complex waves

Patent

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Waveform analyzer for rotating electrical circuitry

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

Patent

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Waveform analyzer having function of simultaneously displaying w

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Analysis of complex waves

Patent

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Waveform comparing phasemeter

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Phase comparison

Patent

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Waveform crossing detector

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Phase comparison

Patent

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Waveform display apparatus for easily realizing high-definition

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

Patent

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Waveform measurement

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Analysis of complex waves

Patent

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Waveform measurement and display apparatus

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Analysis of complex waves

Patent

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