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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Authors
Dates
1995-01-20—Published
1992-01-27—Filed