Shielded electromagnetic acoustic transducers

Details Shielded electromagnetic acoustic transducers Shielded electromagnetic acoustic transducers

1980-01-24

1981-10-20

Blum, Theodore M.

Communications, electrical: acoustic wave systems and devices

Signal transducers

367168, 73643, 310 26, H04R 1500

Patent

active

042964865

ABSTRACT:
Disclosed is an electromagnetic acoustic transducer, including a source of magnetic flux for establishing a static magnetic field, an electrical conductor for conducting an alternating current in the static magnetic field, and an electrically conductive, nonmagnetic shield disposed between the source of magnetic flux and the conductor.

REFERENCES:
patent: 3850028 (1974-11-01), Thompson et al.
patent: 3963980 (1976-06-01), Shkarlet
patent: 4048847 (1977-09-01), Alers et al.
patent: 4080836 (1978-03-01), Thompson et al.
patent: 4092868 (1978-06-01), Thompson et al.
patent: 4104922 (1978-08-01), Alers et al.
patent: 4127035 (1978-11-01), Vasile

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