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JPS51145051

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DESCRIPTION JPS51145051
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a half sectional view showing a conventional
speaker, and FIG. 2 is a half sectional view showing one embodiment of the speaker of the
present invention. ? ? Supporting member, 21 иииииииииииииииииииииииииии Voice coil, 24 ииииииииии Magnetic gap.
Fig. 1 Fig. 2-121-
DETAILED DESCRIPTION OF THE INVENTION The present invention is intended to improve the
support member of the peripheral portion of the FX diaphragm according to the present
invention to provide a speaker with excellent characteristics and stable output. As a conventional
speaker, it was configured as shown by ? and jilaK. That is, the field aiiiia K frame 6 constituted
by the plate 2 provided with the center ball 1, the ring-shaped magnet 3 and the same ringshaped upper plate) AK is coupled, and the frame 6 The peripheral part is attached with a
binding agent, the voice coil 9 is connected to the center S of the vibration 4 [8, and the voice coil
8 is supported by the dameper 10 to make the magnetic gap of the area a B 11 and the dust cap
12 is attached to the center h ▒ 1 i [i of the diaphragm 8]. In the upper one structure Il &, the
diaphragm 8? "edge sK is formed by the edge 18 and is superimposed on the it characteristic of
the low to middle frequency characteristics and distortion characteristics such as f, f) process
131j speaker C). Therefore, it is difficult to design 4Jl, and various materials and shapes have
been considered small. In general, the items required as a support member for this vibration rL 8
will be somewhat different / b depending on the characteristics required for the speaker as
follows. 0) It should be lightweight to spin down the output sound pressure dowel and mid range
Les Bonos. Naka) A soft summer can be seen in the snow so that you can choose the minimum
resonance 6m. (-9 moderate mechanical loss, less edge resonance, 3) Lowering of low range
response due to air leakage and preventing air permeability. B) having symmetry t- for upper and
lower amplitudes, wearing, less vibration fatigue. Although the material and the shape are often
changed as described above, the small support that satisfies all the requirements in the abovementioned burrows) to (e) has been ringed in the conventional support member edge. Among
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them, the semi-circular 7-lidage type of foam rubber is the best, but it is unsatisfactory in terms
of weight reduction, there is a problem in selecting the degree of flexibility, and it is not perfect
in terms of air permeability. It was a drawback. The present invention is to eliminate the abovementioned conventional O defects t-. Hereinafter, the present invention will be described with
reference to ?-plane 2 of one embodiment. A field section 14 is referred to as a field section, and
this field section 14 is called a field section, and has a center ball 1 atl, t, a skin plate 16, a ringshaped magnev 17, a lick-like Q-shaped ground. Plate 18 Needles-So Th1i! ??????? The
field portion 14 [the light frame 19 is joined by welding etc., C) in the chest edge of the frame 19
is formed with thin rubber or synthetic IM fat @ in a Thief shape, a gas of one atmosphere or
more inside The mating surface of the support portion @ 20 filled with is fitted with 19 on the
frame.
The vibration & 21 has a comfortable Nk combined f at this support member 2QOf ? K. The
support member 20 acts as a conventional edge. 1) The above roving plate 21f) The rovoice coil
22 is connected to the large part of the shell, this ? 2), the middle part of the coil 22 is
supported by the middle part iron / bar 23, and the magnetic gap 24 of the field i 14 is fixed. I
have been forgiven ?. ? 7 (+ 1 day, 1 ?? center part upper market with dust cap 26 attached
to the moving plate). As mentioned above VC 4- ': J! Because of the strength of the tea 1-J-, it is
extremely rare as a support member, and it is unusual for it to have a high output sound ratio
level of 1 house and a gain, and it has f # part # circle el pressure Can be selected freely by the
small size] \, and the lowest resonance breast Ilk can be changed freely, and the reverse
resonance of the edge because moderate internal mechanical loss can be obtained by the
abrasive viscosity of the ? gas In addition, low air resistance can be prevented at all (iI / 1e) and
low distortion can be achieved completely in a certain range with ? & width characteristics) and
excellent in mass productivity Etc. is also ? и и a large practical value.
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