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

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

3-D weather display and weathercast system

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

3-phase power meter having a display board

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

50% point of amplitude and phase detector

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

A-base utility meter cover

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

a-c current transformer functional with a d-c current...

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

A.C. and D.C. voltage polarity indicator utilizing electrochromi

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

A.C. Bridges

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

A.C. power meter

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

AC current detection device

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

AC current sensor

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

AC current sensor

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

AC current sensor having high accuracy and large bandwidth

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

AC Detector for DC ground faults and high capacitance in high-vo

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

AC electric energy meter having drive circuit including stepper

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

AC electric energy meter having shielded radiation responsive da

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Plural ranges – scales or registration rates

AC mains test apparatus and method

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

AC power analyzer

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

AC power outlet ground integrity and wire test circuit device

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

AC power supply testing module and method for booting a main...