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Class Information
Number: 324/654
Name: Electricity: measuring and testing > Impedance, admittance or other quantities representative of electrical stimulus/response relationships > Lumped type parameters > Using inductive type measurement
Description: Subject matter including measuring a property of a device, element or circuit which opposes any change in the rate of current flow associated with a magnetic field.

Sub-classes under this class:

Class Number Class Name Patents
324/656 Including a comparison or difference circuit 46
324/655 Including a tuned or resonant circuit 82

Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8704535 Layout for antenna loops having both functions of capacitance induction and electromagnetic induction Apr. 22, 2014
8633033 Volumetric induction phase shift detection system for determining tissue water content properties Jan. 21, 2014
8633703 Inductive conductivity sensor Jan. 21, 2014
8618814 High bandwidth passive switching current sensor Dec. 31, 2013
8610440 In situ membrane monitoring Dec. 17, 2013
8604936 Coaxial cable connector, system and method of use thereof Dec. 10, 2013
8587327 Cable installation using induction Nov. 19, 2013
8587326 Method for energy-saving operation of a magneto-inductive flow measuring device Nov. 19, 2013
8558557 Inductive conductivity measurement cell Oct. 15, 2013
8542006 Movement detection circuit of solenoid shear seal valve on subsea pressure control system and method of detecting movement of solenoid actuator Sep. 24, 2013
8536879 Rotating electric-field sensor Sep. 17, 2013
8525533 Conductivity detector for fluids Sep. 3, 2013
8508243 Inductive incremental displacement sensor, method for determining the displacement of a first object relative to a second object, and inductive sensor unit Aug. 13, 2013
8508242 Inductive position sensor Aug. 13, 2013
8493077 Electronic device and method for inductor current measurement Jul. 23, 2013
8482299 Method for detecting the position of an armature of an electromagnetic actuator Jul. 9, 2013
8471569 Method and circuit arrangement for measurement of the current through an inductive load Jun. 25, 2013
8456178 Method and device for inductive conductivity measurements of a fluid medium Jun. 4, 2013
8441267 Inductive conductivity-measuring cell and method for operating such May. 14, 2013
8432169 Proximity sensor Apr. 30, 2013
8405411 Control method for an induction apparatus, and induction apparatus Mar. 26, 2013
8278945 Inductive position detector Oct. 2, 2012
8229646 Method and apparatus for monitoring gas turbine blades Jul. 24, 2012
8228075 Test system for radio frequency IC devices and method of manufacturing radio frequency IC devices using the same Jul. 24, 2012
8207749 Method for inductive generating of an electrical measurement signal and related sensor device Jun. 26, 2012
8148999 Proximity detector Apr. 3, 2012
8138771 Touch controller with read-out line Mar. 20, 2012
8040141 Orthogonal radio frequency voltage/current sensor with high dynamic range Oct. 18, 2011
7973540 Coupling loop and method of positioning coupling loop Jul. 5, 2011
7948385 Systems and methods for using ferrite alignment keys in wireless remote sensors May. 24, 2011
7944215 Detector May. 17, 2011
7936174 Coupling loop May. 3, 2011
7902837 Alignment method of two substrates by microcoils Mar. 8, 2011
7888937 Beam current sensor Feb. 15, 2011
7750648 Method to quickly estimate inductance for timing models Jul. 6, 2010
7728606 Measurement instrument Jun. 1, 2010
7714593 Radiofrequency based sensor arrangement and a method May. 11, 2010
7603243 Method and error location in branched low voltage and medium voltage networks and evaluation circuit used thereof Oct. 13, 2009
7595647 Cable assembly for a coupling loop Sep. 29, 2009
7492166 Method for determining the source equivalent inductance of an energized AC circuit Feb. 17, 2009
7454300 Extracting high frequency impedance in a circuit design using broadband representations Nov. 18, 2008
7432723 Coupling loop Oct. 7, 2008
7256974 Electrical ground isolation and secondary failure reduction detection and isolation Aug. 14, 2007
7212013 Apparatus for measuring parasitic capacitance and inductance of I/O leads on an electrical component using a network analyzer May. 1, 2007
7205775 Sensing apparatus and method Apr. 17, 2007
7199593 Apparatus and methods for measuring parasitic capacitance and inductance of I/O leads on an electrical component using a network analyzer Apr. 3, 2007
7109887 Vehicle detector system with automatic loop checking Sep. 19, 2006
7067842 Method and apparatus for monitoring parasitic inductance Jun. 27, 2006
7057399 Resolver circuit including BTL amplifier Jun. 6, 2006
7049832 Circuit arrangement and method for determining the load current through an inductive load connected to a supply voltage in a clocked manner May. 23, 2006

1 2 3

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