US PATENT SUBCLASS 324 / 219
.~ Magnetic sensor within material

Current as of: June, 1999
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324 /   HD   ELECTRICITY: MEASURING AND TESTING

200  DF  MAGNETIC {24}
219.~ Magnetic sensor within material {1}
220  DF  .~.~> Sensor supported, positioned, or moved within pipe {1}

DEFINITION

Classification: 324/219

Magnetic sensor within material:

(under subclass 200) Subject matter wherein the apparatus to sense a magnetic field includes a sensor placed within tested material which has magnetic field associated with it, the apparatus to indicate the sensing of a magnetic field being responsive to the magnetic field of the material sensed by the sensor.