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
Title | Year | Author | Number |
---|---|---|---|
DEVICE FOR MEASURING MAGNETIC FIELD STRENGTH | 0 |
|
SU1148014A1 |
SAFETY RELAY | 0 |
|
SU1800545A1 |
DEVICE FOR ESTIMATION OF PULSATION RATE OF DIRECT VOLTAGE | 1994 |
|
RU2080607C1 |
METHOD OF EVALUATION OF COEFFICIENT OF NONSINUSOIDAL CHARACTER OF VOLTAGE CURVE | 1995 |
|
RU2079852C1 |
0 |
|
SU432693A1 | |
ELECTRO-DYNAMIC MICROPHONE | 2005 |
|
RU2290772C2 |
DEVICE FOR PROTECTION OF ELECTRICAL INSTALLATION AGAINST DANGEROUS VOLTAGE CONTACT TO FRAME | 0 |
|
SU1302363A1 |
DEVICE FOR MEASURING DC VOLTAGE PULSING COEFFICIENT | 0 |
|
SU1742644A1 |
SYNCHRONOUS MOTOR FIELD STRUCTURE WITH SWITCHABLE NUMBER OF POLES | 0 |
|
SU1654936A1 |
FODDER FOR SEALING LEAK IN VESSEL HULL | 0 |
|
SU1055684A1 |
Authors
Dates
1997-07-10—Published
1995-03-14—Filed