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BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a cross-sectional view of the main part of the
diaphragm of the fixed type used in the conventional skier, FIG. 2 is a cross-sectional view of the
main part of the free edge type diaphragm, and FIG. FIG. 1 is a cross-sectional view of an
embodiment of a speaker according to the present invention. 4 ... field part, 9 ... frame, 11 ...
diaphragm, 12 ... cone part, 13 ... edge, 14 ... Heus coil. 1 1 9 9 2 2 1 2 1 3 3
Detailed Description of the Invention In the present invention, a sheet made of links as an edge of
a diaphragm is impregnated with an acrylic 啄 copolymerized emulsion, n, and used as a one-toone product that can increase the # 1 compliance to 9 I will try to measure the improvement of
In general, as the speaker oh moving plate, there are a fan type which makes an edge portion
separately and a fixed type which is integrally formed with a core y portion. The fixed I id emm
plate is as shown in FIG. 1), cone 10111! IK: I formation of an internal part 2 as an edge part I / 1
ゐ, O O)) ・ [[2 の diaphragm is made of paper, synthetic resin, etc., and overall light weight <an,
u Although it is effective in measuring the rate, it has a drawback that the compliance has
become large and dangerous as an edge. Further, as shown in FIG. 2, a free edge type vibration
sales company is constructed by sticking an edge $ made of cloth or urethane or the like to the
peripheral portion of the cone portion 10. Although this configuration has the advantage that a
large compliance can be obtained as the engineering, the di 3, it has the disadvantage that the
mass increases and the efficiency as a speaker decreases, and from this point of view, the speaker
vibration It is desirable for the edge of the plate to be light and flexible, and to have excellent
formability. The present invention eliminates the above-mentioned conventional drawbacks, and
approaches the desired performance and 1/1 and the 1 kh speaker from the diaphragm with an
edge! It is something to be offered. Hereinafter, the present invention will be described with
reference to FIG. 3 according to one embodiment of the present invention. ;) 3 "4 is a field
section, in particular indicates an external magnetic type O field section, a plate e with the central
pole 6 placed on the upper center and a plate 9 placed on the plate e The ring-shaped upper
plate 8 is placed on the door, and these are connected by an adhesive. The field portion 4 may be
a field portion of the inside am in addition to the above-mentioned external magnet type. 7
frames 9 are connected to the field portion 4 by welding or the like, and the III edge sK of the
frame 9 is connected to the gasket 10 together with the vibration 1 [11]. The diaphragm 11 is
made of paper sheet, pulp fiber is formed into a sheet shape, and 7 sheets are formed into a
sheet shape, and an acrylic copolymer is formed into a sheet shape at the edge of the portion
120 II. Emuldi cayson is impregnated or coated and molded, and 92, which is a 10-piece made by
attaching di 1s.
This engineer, 13 is a link, that is, short! ll Fibers are light, fk Ik-like, and moldability is good, and
they are acrylic copolymerized with Emulgi 冒 2 o · 4! There is no air gap and the strength is
increasing. The center Ka voice coil 14 of the JL vibrating diaphragm 11 equipped with such an
edge 13 and the lower outer periphery KIIIL large coil Pobin 1! A middle portion of the coil
bobbin 16 is supported by a damper 16, and a dust cap 1R is attached to a central portion of the
upper surface of the diaphragm 11. As described above, the speaker according to the present
invention is composed of a diaphragm, a hammer, a flange which is larger than that of a fixed
type and is lighter than a free type and a tie and has a good formability, so that it is low. It is
possible to perform excellent 9 reproduction from the region to the high region, and also to
improve the efficiency, and it is a barley with practical value, which is close to the ideal region as
a speaker.