US PATENT SUBCLASS 335 / 215
.~ Magnetostrictive-type device

Current as of: June, 1999
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335 /   HD   ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS

209  DF  MAGNETS AND ELECTROMAGNETS {10}
215.~ Magnetostrictive-type device

DEFINITION

Classification: 335/215

(under subclass 209) Subject matter wherein a portion of the magnet or electromagnet includes material having magnetostriction properties.

(1) Note. Magnetostriction is the property, exhibited by some materials, by which their dimensions change when placed

in a magnetic field.

SEE OR SEARCH THIS CLASS, SUBCLASS:

3, above for electromagnetically actuated switches with magnetostrictive elements.

SEE OR SEARCH CLASS

310, Electrical Generator or Motor Structure, 26, for dynamoelectric devices with magnetostrictive material.

318, Electricity: Motive Power System,

118, for magnetostrictive electric motor system.

336, Inductor Devices,

20, for inductor devices with deformable cores of magnetostrictive material.

361, Electricity: Electrical Systems and Devices,

206+, for electric circuit for magnetostrictive relay or electromagnet.

367, Communications, Electrical: Acoustic Wave Systems and Devices,

168, for this subject matter utilized in underwater transducers such as used, for example, in sonar systems.