PLANAR ELECTRODYNAMIC ACOUSTIC TRANSDUCER Russian patent published in 2022 - IPC H04R9/04 

Abstract RU 2783727 C1

FIELD: acoustic systems.

SUBSTANCE: invention relates to the field of acoustic systems, in particular to planar electrodynamic acoustic transducers. A planar electrodynamic acoustic transducer, comprising a housing with built-in bar permanent magnets arranged parallel to each other, a flat flexible dielectric thin-film diaphragm with a conductive track deposited on it is fixed parallel to the plane of the magnets, long straight sections of the track are parallel to the bar permanent magnets, and the beginning and end of the conductive track have electrical outlets. The diaphragm contains a movable zone participating in oscillations and fixed side zones through which the diaphragm is rigidly fixed to the body, the shape of the conductive path is characterized by the fact that in the movable zone of the diaphragm the direction along the conductive path from its beginning to end in all sections of the conductive path located along the magnets, coincides, the direction of the current in these sections also coincides, and sections of the conductive track with the direction opposite to the above direction along the conductive track from its beginning to end are located in the fixed side zones of the diaphragm.

EFFECT: improving the quality of signal transmission and manufacturability.

9 cl, 11 dwg

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RU 2 783 727 C1

Authors

Glazyrin Sergej Yurevich

Dates

2022-11-16Published

2022-05-04Filed