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Class Information
Number: 324/248
Name: Electricity: measuring and testing > Magnetic > Magnetometers > Superconductive magnetometers
Description: Subject matter wherein the apparatus to sense and indicate the sensing of a magnetic field includes a sensor of the magnetic field or a magnetic shield for the apparatus to sense a magnetic field made of a material which has nearly zero resistance in one state and appreciable resistance in a second state.










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

Patent Number Title Of Patent Date Issued
6538436 Method and apparatus for eliminating background interference signals from multichannel signal measurements Mar. 25, 2003
6528994 Magnetic field measurement apparatus Mar. 4, 2003
6516246 Method and system for determining native neurological dominant hemisphere Feb. 4, 2003
6516281 Scanning single electron transistor microscope for imaging ambient temperature objects Feb. 4, 2003
6512368 Dewar and biological magnetism measurement apparatus using the dewar Jan. 28, 2003
6498483 Device and method for easily adjusting working point of SQUID Dec. 24, 2002
6471106 Apparatus and method for restricting the discharge of fasteners from a tool Oct. 29, 2002
6462540 Magnetic field measuring apparatus which enables external magnetic noise cancellation Oct. 8, 2002
6452384 Scanning head for eddy-current testing, method for processing a scanning head for an eddy-current test method Sep. 17, 2002
6448767 Fast flux locked loop Sep. 10, 2002
6424853 Magnetic field measurement apparatus Jul. 23, 2002
6420868 Read-out electronics for DC squid magnetic measurements Jul. 16, 2002
6388440 Magnetic field bias adjusting device for SQUID modulation drive circuit achieving easy adjustment May. 14, 2002
6374131 Biomagnetism measuring method and apparatus Apr. 16, 2002
6370414 System and method for measuring, estimating and displaying RMS current density maps Apr. 9, 2002
6362617 Wideband, high dynamic range antenna Mar. 26, 2002
6356078 Frequency multiplexed flux locked loop architecture providing an array of DC SQUIDS having both shared and unshared components Mar. 12, 2002
6344742 Magnetic field sensor having a flux guide to increase the effective capture area Feb. 5, 2002
6339328 Magnetic gradiometer incorporating global feedback Jan. 15, 2002
6337567 Apparatus and method for measuring second-order gradient of magnetic field using super conductor quantum interference device Jan. 8, 2002
6323645 Superconducting quantum interference device Nov. 27, 2001
6320369 Superconducting current measuring circuit having detection loop Nov. 20, 2001
6300760 Arrangement for coupling an rf-SQUID circuit to a super conducting tank circuit Oct. 9, 2001
6285186 Superconducting quantum interference device having bias wiring layer Sep. 4, 2001
6275719 Biomagnetic field measurement apparatus Aug. 14, 2001
6270686 Method of making a weak-field magnetic field sensor having etched circuit coils Aug. 7, 2001
6269262 Biomagnetic field measuring apparatus Jul. 31, 2001
6263189 Narrowband high temperature superconducting receiver for low frequency radio waves Jul. 17, 2001
6230037 Biomagnetic field measuring method and apparatus May. 8, 2001
6225800 Arrangement for coupling an RF-squid magnetometer to a superconductive tank circuit May. 1, 2001
6226538 Magnetic sensor with squid and having superconducting coils formed on sapphire substrate May. 1, 2001
6215303 Wire detection system Apr. 10, 2001
6195576 Quantitative magnetoencephalogram system and method Feb. 27, 2001
6169397 Damped superconducting coil system having a multiturn, planar geometry superconducting coil and shunt resistors electrically connecting successive coil turns Jan. 2, 2001
6154026 Asymmetric planar gradiometer for rejection of uniform ambient magnetic noise Nov. 28, 2000
6150812 Detection of electromagnetic fields as a determinant of an event Nov. 21, 2000
6066948 Squid magnetometer having resistor-capacitor damping circuits May. 23, 2000
6043649 Magnetometric sensor using a voltage step up circuit and a SQUID element to measure a magnetic field Mar. 28, 2000
6025713 Superconducting quantum interference device and non-destructive evaluation apparatus using the same Feb. 15, 2000
6023633 Magnetomeasuring apparatus a having a coolant vessel with an access opening and sensor support for limiting heat transfer Feb. 8, 2000
6023161 Low-noise SQUID Feb. 8, 2000
6008642 Stochastic resonance detector for weak signals Dec. 28, 1999
6005380 Sensitive slot antenna including inductively coupled squid array Dec. 21, 1999
5994891 Electrically small, wideband, high dynamic range antenna having a serial array of optical modulators Nov. 30, 1999
5986280 Planar magnetic sensor comprising a SQUID made of superconducting thin film Nov. 16, 1999
5958841 Circuit device for driving a squid magnetometric sensor and evaluating squid characteristics Sep. 28, 1999
5955400 SQUID integrated with pickup coils Sep. 21, 1999
5901453 Gradiometer May. 11, 1999
5900730 Magnetometer using two squids May. 4, 1999
5896645 Method of assembling a magnetomeasuring apparatus Apr. 27, 1999

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