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JPS58191597

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DESCRIPTION JPS58191597
[0001]
The present invention relates to a speaker diaphragm that improves the performance of a
diaphragm and reduces the number of manufacturing steps. FIG. 1 shows a conventional
sandwich-type circular speaker vibration system, in which 1 and 3 are diaphragm surface
materials, 2 is ?7 materials, 4 is an edge, 5 is a voice coil bobbin, 6 is a voice coil, and 7 is A ring
8 is a frame which is used in a portion for bonding the bobbin 5 and the surface material 3. In
the vibration system of the speaker shown in FIG. 1, it is difficult to position between the
diaphragm composed of the surface material 1.3 and the core material 2 and the bobbin 5, and
furthermore, when manufacturing, the surface materials 1, 3 and core material 2 is bonded to
form a diaphragm, and then the bobbin 5 and the diaphragm are bonded via the ring 7, resulting
in an inefficient manufacturing process. The present invention is intended to eliminate the
disadvantages of such a conventional speaker diaphragm. FIG. 2 is a view showing the structure
of the speaker diaphragm according to the present invention, and the same reference numerals
as in FIG. 1 denote the same contents. In FIG. 2, the surface material 10 is provided with a
projection 11, and by fitting and engaging the projection 11 on the voice coil bobbin 5, the
diaphragm and the bobbin are joined. With such a configuration, the diaphragm and the bobbin
can be accurately positioned, and the performance of the diaphragm can be improved, and the
diaphragm and the bobbin are bonded via the ring as in the conventional speaker shown in FIG.
It is not necessary to reduce the number of manufacturing steps. As described above, according
to the present invention, the performance improvement of the speaker vibration system and the
reduction of the number of manufacturing processes can be realized.
[0002]
Brief description of the drawings
11-05-2019
1
[0003]
FIG. 1 is a view showing the structure of a conventional speaker, and FIG. 2 is a view showing the
structure of a speaker according to the present invention.
1 ........ surface material, 2 и и и ░ Pas ░░ s core material, 3 ......... surface material, 4 ......... edge, 5
иииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииии
иииииииииииииииииииииииииииииииииииииииииииии Frame lO и и и и и и и и и и Surface material provided with projections, 11 и и и и и и
и и и и и и и и и и и. Figure 1
11-05-2019
2
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