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

Locating sheath faults in underground power supply cables

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

Location of contact faults on electrically conductive cables

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

Locator for metallic pipe with AC signals impressed

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

Lock-in amplifier

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

Locking apparatus and loadboard assembly

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

Locking arrangement for a watthour meter adapter assembly

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

Locking scales to waveform displays

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

Logarithmic ratemeter with bistable signal comparison

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

Logging probe for making redox potential measurements

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

Logic circuit tester

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

Logic function circuit with an array of data stores and their ci

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

Logic level test probe with grated oscillator

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

Logic probe

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

Logic signal test device for indicating low, intermediate and hi

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

Long range alternating current phasing voltmeter

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

Long range phasing voltmeter

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

Long scale display

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Eccentrically pivoted coil

Long-scale meter movement having a one-piece outer pole and retu

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

Longitudinal balance measuring bridge circuit