MAGNETODYNAMIC ACOUSTIC DEVICE Russian patent published in 1995 - IPC

Abstract RU 2027319 C1

FIELD: acoustic signal conversion. SUBSTANCE: device has case accommodating core with coil and diaphragm with rod secured to case wall; core is essentially multilayer spiral of ferromagnetic strip with shaped oblique slot on its surface; coil is insulated conductor fixed in slot and having leads. EFFECT: improved design. 5 dwg

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RU 2 027 319 C1

Authors

Vertinskij Pavel Alekseevich

Dates

1995-01-20Published

1992-01-27Filed