(under subclass 15) Subject matter having means to produce motion or electric energy by the action of magnetostriction.
(1) Note. Magnetostriction is a property exhibited by some materials which change their physical size or shape under the action of magnetic fields or which produce magnetic fields when physically stressed.
SEE OR SEARCH CLASS
318, Electricity: Motive Power Systems,
118, for magnetostrictive motor systems.
331, Oscillators,
157, for electrical oscillators utilizing an electromechanical resonator of the magnetostrictive type. 333, Wave Transmission Lines and Networks,
148, and 201 for coupling networks having magnetostrictive elements as parts thereof.
335, Electricity: Magnetically Operated Switches, Magnets, and Electromagnets,
215, for this subject matter
367, Communications, Electrical: Acoustic Wave Systems and Devices,
156, and 168 for magnetostrictive transducers used in underwater compressional wave production or sensing.
