LandOfFree - US Patents - Listing for Electricity: measuring and testing

Electricity: measuring and testing – Impedance – admittance or other quantities representative of... – Lumped type parameters

Voltage detector circuit with a programmable threshold point

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

Voltage detector employing electro-optic material having a corne

Electricity: measuring and testing – Electrolyte properties – Using a battery testing device

Voltage detector for battery operated device

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

Voltage detector for detecting a voltage developing in a selecte

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

Voltage detector for detecting different voltage levels in condu

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

Voltage detector having compensation for polarization change cau

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

Voltage detector using a sampling type high-speed photodetector

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

Voltage detector using an oscillator and comparator means

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

Voltage detector using electro-optic material and interference o

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

Voltage detector utilizing an optical probe of electro-optic mat

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

Voltage detector with field effect transistor and high input imp

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

Voltage detector with improved accuracy

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

Voltage detector with spring biased sensor

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

Voltage detectors and electrical continuity checkers

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Demand – excess – maximum or minimum

Voltage difference measuring equipment

Electricity: measuring and testing – Impedance – admittance or other quantities representative of... – Lumped type parameters

Voltage drop detecting circuit

Electricity: measuring and testing – Impedance – admittance or other quantities representative of... – Lumped type parameters

Voltage drop measurement circuit

Electricity: measuring and testing – Fault detecting in electric circuits and of electric components – Of individual circuit component or element

Voltage fault detection and protection

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

Voltage generating apparatus, current generating apparatus,...