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JPS57148991

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DESCRIPTION JPS57148991
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a cross-sectional view showing the outline of a
conventional ribbon type speaker, and FIG. 2 is a cross-sectional view showing the outline of an
embodiment of the present invention. 2 ииииии Pone, 2a ииииииии Phase equalizer, 2b ииииииииииииииииииииииии
Diaphragm, 3a иииииииииииииии Rib
DETAILED DESCRIPTION OF THE INVENTION The present invention relates to the improvement
of the shape of ribbon loudspeakers, in particular diaphragms and phase equalizers. FIG. 1 is a
cross-sectional view showing a conventional ribbon-type speaker. FIG. 1 is a magnetic-path yaw 7
kr tsuno / 1123% =. ---), 2 is a horn having a phase equalizer 2 & fixed on the upper surface of
the yoke 1, 3 is a diaphragm. By the way, the diaphragm in the ribbon type speaker arranged
normally uses conductive metal foil, and since the shape is a ribbon having a linear cross section,
the rigidity as a whole is low, and deformation due to careless handling is not good. The
diaphragm is likely to resonate due to variations in the compliance of the support material, etc.,
and since the surface area is small, a large input is applied to raise the temperature of the
diaphragm, and the heat exchange is small. I could not suppress the temperature rise. The
present invention is intended to correct an oblique defect, and the purpose of the present
invention is to prevent deformation during handling by increasing the rigidity of the diaphragm,
and also to divide the divided vibration and abnormal resonance by 1c. (I can be reduced to
increase the temperature rise of the diaphragm because of large heat exchange, and ribbon type
that can increase sound) To provide a speaker. Next, one embodiment of the present invention
will be described with reference to FIG. The same reference numerals as in FIG. 1 denote the
same members, and the different parts from FIG. The lip 2b identical to the lip 31 of the
diaphragm 3 is formed to face the diaphragm 3 of the container 2 &. According to the present
invention, since the lip 3 & is formed on the diaphragm 3, the rigidity of the buttocks moving
plate 3 is increased to prevent deformation during handling and to prevent unforeseen division
vibration and abnormal resonance As the area of the square 13 increases in the diaphragm 111o
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and the surface area of the phase contrast measurement 21 increases, heat exchange is
frequently performed, and thus the temperature rise of the diaphragm can be reduced. It is
possible to increase the allowable input. As described above, the present invention can form a lip
on the diaphragm to increase the rigidity of the diaphragm, so that the handling is simplified,
unnecessary division vibration and abnormal resonance can be prevented, and the lip can be As
the surface area increases and the phase equalizer also forms a lip to increase the surface area,
the heat exchange is good and the temperature rise can be suppressed, so that the increase of the
allowable input has the effect of r: climb.
13-05-2019
2
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