Pneumatic acoustic transducer with ferromagnetic fluid valve

Details Pneumatic acoustic transducer with ferromagnetic fluid valve Pneumatic acoustic transducer with ferromagnetic fluid valve

1978-07-05

1979-07-17

Stellar, George G.

H04R 2300

Patent

active

041616324

ABSTRACT:
A novel acoustic transducer utilizing a source of compressed air, the discharge of which is modulated by a ferromagnetic fluid. The ferromagnetic fluid is positioned in a magnetic gap, the intensity of which is modulated by a voice coil which in turn is activated by a varying current.

REFERENCES:
Electromechanical Design, Oct. 1973, pp. 6-7.

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