FIELD: audio signal reception. SUBSTANCE: microphone has case, diaphragm built up of central, corrugated, and peripheral parts, magnetic circuit, sound coil wound on side part of diaphragm and connected to amplifier input through audio-frequency filter; amplifier output is connected to compensating coil winding fixed to case. Case accommodates compensating magnet fixed to it at bottom through spring and having insulating packing. EFFECT: improved design. 3 cl, 2 dwg
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|---|---|---|---|
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SU1148014A1 |
| SAFETY RELAY | 0 |
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RU2079852C1 |
| 0 |
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SU432693A1 | |
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SU1055684A1 |
Authors
Dates
1997-07-10—Published
1995-03-14—Filed