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Class Information
Number: 324/252
Name: Electricity: measuring and testing > Magnetic > Magnetometers > Semiconductor type solid-state or magnetoresistive magnetometers
Description: Subject matter wherein the apparatus to sense and indicate the sensing of a magnetic field includes (1) a resistance of magnetic material having a current flow there-through and an indicator connected to the resistance whereby the magnetic field tested passing through the material changes the current noted on the indicator, or (2) a sensor of semiconductor material having a current flow therethrough and an indicator connected to the sensor to note the change in current caused by the tested magnetic field acting on the sensor.

Patents under this class:

Patent Number Title Of Patent Date Issued
8710835 Magnetic impedance element and magnetic sensor using the same Apr. 29, 2014
8704514 Current sensor including a sintered metal layer Apr. 22, 2014
8704511 Systems and methods to test and/or recover magnetic sensors with ESD or other damage Apr. 22, 2014
8692545 Magnetostrictive stress sensor Apr. 8, 2014
8686717 Position sensor arrangement Apr. 1, 2014
8680857 Magnetoresistive sensor Mar. 25, 2014
8680856 Arrangement for the potential-free measurement of currents Mar. 25, 2014
8680854 Semiconductor GMI magnetometer Mar. 25, 2014
8680850 Magnetic field angular sensor and sensing method Mar. 25, 2014
8664950 Method for measuring longitudinal bias magnetic field in a tunnel magnetoresistive sensor Mar. 4, 2014
8664944 Angle measuring system and method for producing an angle measuring system Mar. 4, 2014
8659292 MR sensor with flux guide enhanced hard bias structure Feb. 25, 2014
8659289 Rotating field sensor Feb. 25, 2014
8653824 Delta temperature test method and system Feb. 18, 2014
8653813 Magnetic field vector sensor Feb. 18, 2014
8648591 Magnetic field angular sensor and sensing method Feb. 11, 2014
8633688 Integrated magnetic sensor for detecting horizontal magnetic fields and manufacturing process thereof Jan. 21, 2014
8631510 Magnetic sensor and scanning microscope Jan. 14, 2014
8629672 Generator circuit breaker with fiber-optic current sensor Jan. 14, 2014
8629519 Tunneling magnetoresistance sensor Jan. 14, 2014
8624590 Low noise magnetic field sensor using a lateral spin transfer Jan. 7, 2014
8618795 Sensor assembly for use in medical position and orientation tracking Dec. 31, 2013
8614572 Integrated magnetic field generation and detection platform Dec. 24, 2013
8610430 Bias field generation for a magneto sensor Dec. 17, 2013
8593139 Magnetic sensor Nov. 26, 2013
8587300 Magneto-impedance sensor element and method for producing the same Nov. 19, 2013
8587299 Magnetic field sensor Nov. 19, 2013
8587297 Integrated circuit including sensor having injection molded magnetic material Nov. 19, 2013
8564287 Magnetic field sensor Oct. 22, 2013
8564286 GMR sensors having reduced AMR effects Oct. 22, 2013
8552720 Mobile information terminal apparatus and magnetic sensor, including magnetoresistive detecting device Oct. 8, 2013
8547091 Method for measuring resistance of resistor connected with MR element in parallel Oct. 1, 2013
8542009 Oxygen concentration measurement with GMR Sep. 24, 2013
8532948 Contactless sensing device Sep. 10, 2013
8525514 Magnetometer Sep. 3, 2013
8525513 Angular position measuring device Sep. 3, 2013
8519704 Magnetic-balance-system current sensor Aug. 27, 2013
8519703 Magnetic sensor device and method of determining resistance values Aug. 27, 2013
8518734 Process integration of a single chip three axis magnetic field sensor Aug. 27, 2013
8513944 Three-layer magnetic element, magnetic field sensor, magnetic memory and magnetic logic gate using such an element Aug. 20, 2013
8508221 Two-axis magnetic field sensor having reduced compensation angle for zero offset Aug. 13, 2013
8497674 Magnetic detection apparatus Jul. 30, 2013
8487612 Current sensor Jul. 16, 2013
8487611 Magnetic sensor including a bridge circuit Jul. 16, 2013
8486334 Magnetic sensor Jul. 16, 2013
8483800 Surgical navigation enabled imaging table environment Jul. 9, 2013
8476899 Magnetic sensor and magnetic balance type current sensor including the same Jul. 2, 2013
8466676 Magnetic sensor with bridge circuit including magnetoresistance effect elements Jun. 18, 2013
8465859 Current sensor Jun. 18, 2013
8461835 Current sensor Jun. 11, 2013

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