US PATENT SUBCLASS 367 / 185
.~.~ Moving magnet

Current as of: June, 1999
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367 /   HD   COMMUNICATIONS, ELECTRICAL: ACOUSTIC WAVE SYSTEMS AND DEVICES

140  DF  SIGNAL TRANSDUCERS {4}
178  DF  .~ Receivers {6}
185.~.~ Moving magnet {2}
186  DF  .~.~.~> Having arcuate movement
187  DF  .~.~.~> Spider spring

DEFINITION

Classification: 367/185

Moving magnet:

(under subclass 178) Subject matter wherein acoustic wave forces move a permanent magnet relative to an electric coil in such a way as to induce an electric signal in the coil.