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

Electricity: measuring and testing – Electrical speed measuring – Including speed-related frequency generator

Lensless Magneto-optic speed sensor

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

Lensless spectrum analyzer

Electricity: measuring and testing – Magnetic – Displacement

Less current consuming non-contact type 2-channel rotary...

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

Level gauging system

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

Level indicating apparatus for P.C.M. transmitting system

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

Level indicating circuit

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

Level indicating device

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

Level indicating device

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

Level indicating system

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

Level indicating system

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

Level indicator

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

Level indicator for indication of maximum values

Electricity: measuring and testing – Conductor identification or location – Inaccessible

Level measuring device for electrically non-conductive liquids

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

Level measuring set for low-frequency signals

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

Level meter

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

Level meter circuit

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

Level meter circuit

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

Lifetime measurement of an ultra-thin dielectric layer

Electricity: measuring and testing – Magnetic – With compensation for test variable

Lift off compensation of eddy current crack detection system by