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This translation is machine-generated. It cannot be guaranteed that it is intelligible, accurate,
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BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a half sectional view showing a general
speaker, FIG. 2 is a half sectional view showing a conventional speaker diaphragm, and FIG. 3 is
one of the speaker diaphragms of the present invention. FIG. 4 is a half sectional view showing
production of a cone paper and a reinforcing ring. 13 ииииии Corn paper, 14 иии и и и Free edge, 15 и и и и
и и и и Rick for reinforcement.
The present invention relates to a free-edge type speaker diaphragm, and in particular, a ring
formed at the same time as forming a paper for forming a cone paper as reinforcement for the
peripheral portion of the free edge to improve productivity material loss In addition, it is
intended to improve the appearance and reduce the In general, the speaker is a plate having a
center pole 1 as shown in FIG. Ring-shaped magne-7 site 3. 7 by the upper plate 4 of the same
ring shape. ) And the peripheral edge of the cone-shaped diaphragm 8 is adhesively bonded to
the peripheral edge of the frame 61 not connected to the magnetic circuit 6 and the peripheral
edge of the frame 61 not connected. A voice coil 9 is coupled to the central portion of the plate 8,
the middle portion of the voice coil 9 is held by a damper 10, and the lower portion of the voice
coil 9 is fitted into the magnetic gap 11 of the magnetic circuit 6 without eccentricity. The dust
camp 12 was stuck on the center of the upper surface of the plate 8. In such a speaker, as a
conventional speaker diaphragm 8, as shown in FIG. 2, a free edge formed of soft and strong
cloth, rubber, synthetic resin, non-woven fabric, etc. around a paper sheet 13 made of paper. A
ring 14 for reinforcing the edge is attached to the upper surface between the rows of the free
edge 14. The reinforcing ring 15 is attached to the frame 6, and a cardboard 1 synthetic resin
and a metal plate are used as its material. In this Fl [, the reinforcing ring 16 is formed by
punching out a sheet-like material in the form of a shilling, so material loss is extremely large,
which is disadvantageous in cost, and The present invention, which has the disadvantage of
having different colors and textures and giving a discordant appearance, eliminates the
conventional defects as described above. An embodiment of the speaker diaphragm according to
the present invention will be described below with reference to FIGS. 3 and 4. FIG. 3 is a half
sectional view of the completed state of the imaging moving plate 8 for the speaker, 13 is a
paper sheet made of cone paper, 14 is a cloth, rubber, foamed rubber, synthetic resin, non-woven
cloth, etc. A free edge 16 made of a material is a reinforcing ring affixed to the upper surface of
the outer periphery of the free edge 14. The reinforcing ring 16 is integrally formed by
extending the outer diameter of the cone 13 as shown in FIG. 4 so that the unnecessary portion
16 is removed and the reinforcing ring 16 is formed together with the cone 13. Thus, the moving
plate for a speaker according to the present invention is a cone, J (')-).
4- When forming a paper sheet, the outer diameter is extended to form a reinforcing ring in one
piece, and this is punched out and affixed to the upper surface of the free edge, so that it is
punched out from another sheet as in the prior art The material loss is significantly reduced
compared to the product, which is extremely advantageous in terms of cost, and the external
appearance of the reinforcing ring and the cone paper are the same material and have the same
color, so there is no sense of disorientation and a high-quality image It has the advantages of
being able to
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