SOUND REPRODUCING DEVICE WITH ELECTROMECHANICAL FEEDBACK Russian patent published in 1995 - IPC

Abstract RU 2030844 C1

FIELD: electroacoustics. SUBSTANCE: device has electrodynamic head with sound coil and diaphragm, negative feedback coil, input adder, and low-frequency amplifier. In addition, it is provided with resistor and two magnetically coupled coils; first of these coils is connected in series with sound coil of electrodynamic head and in parallel with resistor; second coil is connected in series opposition to negative feedback coil which is fixed in position on sound coil of electrodynamic head. EFFECT: improved design. 1 dwg

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RU 2 030 844 C1

Authors

Gimpel'Son Vladimir Georgievich

Levenko Vladimir Aronovich

Dates

1995-03-10—Published

1990-05-24—Filed