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Class Information
Number: 324/257
Name: Electricity: measuring and testing > Magnetic > Magnetometers > Moving coil magnetometer
Description: Subject matter wherein the apparatus to sense a magnetic field is a movable magnetic field sensing coil placed within the field to be tested and has means to move the movable coil, and the apparatus to indicate the sensing of the magnetic field is connected to the sensing coil whereby the coil moving in the tested field has induced therein a voltage proportional to the number of turns of the coil and the time it takes for the moving coil to complete a cycle of movement.

Patents under this class:

Patent Number Title Of Patent Date Issued
8680855 Apparatus for measuring magnetic field of microwave-assisted head Mar. 25, 2014
8486718 Magnetic system Jul. 16, 2013
8475371 Physiological monitoring garment Jul. 2, 2013
8432163 Method for low frequency noise cancellation in magneto-resistive mixed sensors Apr. 30, 2013
8290572 Method and system for navigating a catheter probe in the presence of field-influencing objects Oct. 16, 2012
8148976 Method and arrangement for the contactless inspection of moving electrically conductive substances Apr. 3, 2012
8085039 Miniature magnetic core, sensor comprising same and method for manufacturing same Dec. 27, 2011
7797032 Method and system for navigating a catheter probe in the presence of field-influencing objects Sep. 14, 2010
7391209 Rotational position sensor, compound rotational position sensor and motor operated power steering device Jun. 24, 2008
7026811 Methods and apparatus for eddy current inspection of metallic posts Apr. 11, 2006
6882144 Electromagnetic wave measuring apparatus and method Apr. 19, 2005
6549800 Methods for in vivo magnetic resonance imaging Apr. 15, 2003
6493573 Method and system for navigating a catheter probe in the presence of field-influencing objects Dec. 10, 2002
6204661 Detector for periodic magnetic field Mar. 20, 2001
4939459 High sensitivity magnetic sensor Jul. 3, 1990
4806859 Resonant vibrating structures with driving sensing means for noncontacting position and pick up sensing Feb. 21, 1989
4523147 Fine balancing second derivative gradiometer Jun. 11, 1985
4489274 Rotating SQUID magnetometers and gradiometers Dec. 18, 1984

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