Moving coil type electroacoustic/acoustoelectric conversion device
An acoustic-electrical conversion, moving coil technology, applied in electrical components, sensors, etc., can solve the problems of uneven magnetic field intensity up and down the column magnet, linear distortion, increased wearing pressure, etc., to achieve good magnetic enhancement effect and reduce linear distortion. , the effect of improving the conversion efficiency
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[0030] Referring to the accompanying drawings, the moving coil type electro-acoustic / acoustic-electric conversion device of the present invention comprises a permanent magnet part, a coil part and a diaphragm 1, the permanent magnet part is a planar magnet 2, and the coil part comprises a coil substrate 3 and a built-in coil substrate In the coil winding, the diaphragm 1 and the coil substrate 3 are connected as an integral structure, and the coil substrate 3 is arranged in parallel with the planar magnet 2; Parts 31 and inner recesses 32 are alternately arranged to form a corrugated shape, the shape of the planar magnet 2 matches the shape of the coil substrate 3 and a plurality of ribs 4 are arranged at intervals on the plane corresponding to the planar magnet 2 and the coil substrate 3, each The protruding ribs 4 are arranged correspondingly to the raised portion 31 or the inner concave portion 32 on the coil substrate 3 .
[0031] Wherein, the coil substrate 3 may be circu...
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