US PATENT SUBCLASS 324 / 243
.~.~.~ Plural sensors

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

200  DF  MAGNETIC {24}
228  DF  .~ With means to create magnetic field to test material {5}
239  DF  .~.~ Induced voltage-type sensor {2}
243.~.~.~ Plural sensors

DEFINITION

Classification: 324/243

Plural sensors:

(under subclass 239) Subject matter wherein there are two or more coil sensors of the induced voltage type, the apparatus to indicate the sensing of the magnetic field being connected to two or more of the sensors to note the combined sensing of material-modified magnetic field.