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 – Polyphase

Phase sequence indicator

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

Phase shift circuit and FM detector circuit

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

Phase-detecting device

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

Phase-locked loop with dual-mode phase/frequency detection

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

Phase-locked sampling of a periodic signal

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

Phase-locked timebase for electro-optic sampling

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

Phase-metering device

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

Phase-to-phase voltage monitor for three-phase power distributio

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

Phaselock circuitry with lock indication

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

Phasing and indicator arrangements for switchgear or the like

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

Phosphor glow testing of hybrid substrates

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

Photoconductive circuit element reflectometer

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

Photoconductive-sampling voltage measurement

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

Photoluminescence method of testing double heterostructure wafer

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

Photometric apparatus and photometric method

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

Photon assisted tunneling testing of passivated integrated circu

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

Photonic field probe and calibration means thereof

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

Photovoltaic imaging for large area semiconductors

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

Physical linearity test for integrated circuit delay lines