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

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Apparatus for detecting imperfections on the wall of cylindrical

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

Patent

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Apparatus for detecting metallic particles in a flow of dielectr

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

Patent

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Apparatus for detecting presence of piezoelectric material

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Electrostatic attraction or piezoelectric

Reexamination Certificate

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Apparatus for detecting shaking of stroke of linear...

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

Reexamination Certificate

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Apparatus for detecting signal frequency and controlling indicat

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

Patent

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Apparatus for detecting signal precedence

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

Patent

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Apparatus for detecting surface potential distribution

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Using radiant energy

Patent

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Apparatus for detecting the amplitude and phase of an a.c. signa

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

Patent

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Apparatus for detecting the amplitude and phase of an A.C. signa

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

Patent

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Apparatus for detecting the amplitude and phase of an a.c. signa

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

Patent

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Apparatus for detecting the amplitude and phase of an a.c. signa

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

Patent

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Apparatus for detecting the amplitude and phase of an a.c. signa

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

Patent

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Apparatus for detecting the direction of a magnetic field to sen

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

Patent

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Apparatus for detecting the envelope of an input signal

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Modulator/demodulator

Reexamination Certificate

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Apparatus for detecting the frequency of an input signal by coun

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

Patent

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Apparatus for detecting the physical properties of magnetic or e

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

Patent

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Apparatus for detection of rotational angle and number of rotati

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

Patent

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Apparatus for determining differential mode and common mode nois

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

Patent

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Apparatus for determining frequency versus acceleration characte

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

Patent

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Apparatus for determining the location of faults in a transmissi

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

Patent

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