(under the class definition) Subject matter wherein the amplifying device includes magnetostrictive means, that is, means for cyclically changing the dimensions of a body of magnetic material under the influence of a cyclically changing magnetic field in proximity to the body of magnetic material.
SEE OR SEARCH THIS CLASS, SUBCLASS:
174, for interstage coupling including electromechanical transducer means (e.g., piezoelectric crystals). See the search notes thereunder.
SEE OR SEARCH CLASS
333, Wave Transmission Lines and Networks,
148+, and 186+ for electromechanical transducer delay lines and filters, respectively. See the search notes thereunder.
336, Inductor Devices, 20, for inductive devices having magnetostrictive (deformable) cores.