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Class Information
Number: 324/226
Name: Electricity: measuring and testing > Magnetic > Combined
Description: Subject matter wherein the apparatus to sense and indicate the sensing of a magnetic field is combined with the subject matter of another class when not provided for elsewhere.

Patents under this class:
1 2 3 4 5 6 7 8 9

Patent Number Title Of Patent Date Issued
8547086 Coercivity performance determination device for coercivity distribution magnet Oct. 1, 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
8493062 Method for determining coercivity of coercivity distribution magnet Jul. 23, 2013
8483800 Surgical navigation enabled imaging table environment Jul. 9, 2013
8450997 Electromagnetic position and orientation sensing system May. 28, 2013
8432160 Method for estimating the weight of the contents of a household appliance Apr. 30, 2013
8198889 Magnetic sensor for an elevating motor Jun. 12, 2012
8148976 Method and arrangement for the contactless inspection of moving electrically conductive substances Apr. 3, 2012
8053244 Magnetic oscillator based biosensor Nov. 8, 2011
7876095 Apparatus for determination of an interface of a slag layer Jan. 25, 2011
7876186 Electronically actuated apparatus Jan. 25, 2011
7777483 Method and apparatus for measuring a thickness of a layer of a wafer Aug. 17, 2010
7764154 Electronically actuated apparatus using solenoid actuator with integrated sensor Jul. 27, 2010
7714572 Method of detecting characteristics of films using eddy current May. 11, 2010
7626382 Rotation speed detecting apparatus and automatic transmission controller having the apparatus Dec. 1, 2009
7619408 Spatially resolved determination of magnetic particle anisotropy in an area of examination Nov. 17, 2009
7602271 Electronically actuated apparatus using solenoid actuator with integrated sensor Oct. 13, 2009
7426867 Electromagnetic acoustic transducers for use in ultrasound inspection systems Sep. 23, 2008
7355394 Apparatus and method of dynamically measuring thickness of a layer of a substrate Apr. 8, 2008
7161351 Hidden feature characterization using a database of sensor responses Jan. 9, 2007
7121300 Device for measuring the lift of poppet valves Oct. 17, 2006
7112961 Method and apparatus for dynamically measuring the thickness of an object Sep. 26, 2006
7106055 Fabrication of samples having predetermined material conditions Sep. 12, 2006
7046001 Frequency measuring device, polishing device using the same and eddy current sensor May. 16, 2006
6987628 Method and apparatus for high fly write detection using stored amplitude values Jan. 17, 2006
6927570 Method and apparatus for making measurements of accumulations of magnetically susceptible particles combined with analytes Aug. 9, 2005
6924641 Method and apparatus for monitoring a metal layer during chemical mechanical polishing Aug. 2, 2005
6861836 Bearing overtemperature indicator Mar. 1, 2005
6844725 Electric and magnetic field detection device and electric and magnetic field measurement apparatus Jan. 18, 2005
6825655 Method and arrangement for detecting changes of a magnetic response in magnetic particles Nov. 30, 2004
6822442 Sensor arrangement for detecting properties of a target Nov. 23, 2004
6815117 Method for determining a current density distribution in a fuel cell stack Nov. 9, 2004
6788050 System, method and apparatus for thin-film substrate signal separation using eddy current Sep. 7, 2004
6777931 Method of displaying signal obtained by measuring probe and device therefor Aug. 17, 2004
6772134 Control means for a horizontal boring tool Aug. 3, 2004
6745136 Pipe inspection systems and methods Jun. 1, 2004
6741074 Method and apparatus for separating electrical runout from mechanical runout May. 25, 2004
6727691 High resolution inductive sensor arrays for material and defect characterization of welds Apr. 27, 2004
6700370 Apparatus for measuring the thickness of a thin film having eddy current coil sensor Mar. 2, 2004
6690156 Physical object location apparatus and method and a graphic display device using the same Feb. 10, 2004
6677749 Using variable inductance to indicate roller wear Jan. 13, 2004
6621264 In-situ metalization monitoring using eddy current measurements during the process for removing the film Sep. 16, 2003
6611141 Hybrid 3-D probe tracked by multiple sensors Aug. 26, 2003
6611142 Apparatus and method of measuring the multi-dimensional magnetic field distribution of a magnetic sample in real-time Aug. 26, 2003
6603306 Proximity switch, a target, a system of such proximity switches and targets, and a method of determining the presence of a target by a proximity switch Aug. 5, 2003
6597163 Contamination resistant probe attachment device Jul. 22, 2003
6593738 Method and apparatus for measuring thickness of conductive films with the use of inductive and capacitive sensors Jul. 15, 2003
6552530 Super-toroidal electric and magnetic field generator/detector, and sample analyser and treatment apparatus using same Apr. 22, 2003
6545468 Calibration method for magnetically enhanced reactive ion etcher Apr. 8, 2003
6538433 Method and apparatus for non-contact measuring of metal bed parameters Mar. 25, 2003

1 2 3 4 5 6 7 8 9

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