Magnetostrictive mechanical filter

Details Magnetostrictive mechanical filter Magnetostrictive mechanical filter

1978-05-19

1980-03-11

Smith, Alfred E.

Wave transmission lines and networks

Coupling networks

Electromechanical filter

333185, H03H 710

Patent

active

041930517

ABSTRACT:
A magnetostrictive mechanical filter comprising at least one rod of a magnetostrictive material forming a resonance element, a spool surrounding the rod, a field coil the windings of which are wound around the spool, and magnets creating a continuous magnetic field, arranged respectively at the ends of the rod, the rod being held radially in at least three points disposed regularly about the rod in the vicinity of the middle portion thereof, a rib being provided at each fixation point, said rib extending parallel to the generatrices of the rod and being formed on the inner peripheral surface of the spool and integrally molded with said spool.

REFERENCES:
patent: 2891178 (1959-06-01), Elmore
patent: 2891179 (1959-06-01), Elmore
patent: 2891180 (1959-06-01), Elmore

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