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BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a plan view showing the structure of a hiled 2
ino 5 speaker, FIG. 2 is an external perspective view of an accordion curtain-like diaphragm, and
FIG. FIG. 4 is an enlarged sectional view of a cross section of a fin of a vibrating membrane
showing an embodiment of the present invention, and FIG. In the reference numerals used in the
drawings, 6 is a vibrating membrane, 6a and 6b are parallel membrane surfaces, 6c is a bent
portion, 8 is a fixing member, and a is a fold. Fig. 1-87-Japanese Utility Model Application
Publication No. 50118936 (2) Fig. 2 Fig. 3 Fig. 4 Fig. 5 Fig. 1 881
DETAILED DESCRIPTION OF THE INVENTION The wood design relates to the improvement of a
bail driver speaker having an accordion curtain-like vibration. Loudspeaker speakers having a
novel structure and operation principle have been proposed and known. Therefore, an outline of
the mobile driver speaker will be described first. Figure 1 is a plan view showing the structure, (l)
is a cover, ((ef) Elite stone, (S) is a support, (4) is a goalie 8-0- (1) sheet, and fi + is a stabilizer. ,
(6) is a vibration lament. This vibration (6) has an accordion curtain shape as shown in FIG. 482
and is made of polymer glazing such as polyethylene, and conductive foil (7) of aluminum is
embedded in each tree of each fold (a) It is the The conductive foils (7) are connected at the
upper end or the lower end of every other line of the folds as shown in FIG. 8. When a current
flows from one end of the conductive foil (7), the current flows out of the folds (&) -Flows from
top to bottom and from bottom to top for each tree. Next, to explain # production, it is placed in a
strong magnetic field due to the vibration-+ 81t'i ferrite magnet (2) K, and when the conductive
foil (7) K current flows, each fold (a) is given by Fleming's law Parallel movement to the right or
left as shown by an arrow mark 1111 in FIG. 1111 results in the air between the respective fins
(a) being pushed forward as indicated by an arrow B. Next, when the current flows in the reverse
direction, the fins (a) # 'i move in the reverse direction KlB to the above-mentioned direction, so
that the folds of the fins (a) are opened and the air ahead is between the fins (a) As shown by the
arrow C, even if @b is embedded, such vibration of air from the transfer #JK of such a fern (a)
becomes k and seller k, and therefore the conductive foil (7) K signal current (! l This vibration
from K! Sound waves can be generated from 111 + @ l. As mentioned above, the ship driver
speaker has a conductor and accordion curtain-like vibration lII! Place II in a magnetic field, and
send signal current to the conductor K. Seconds move the fins of the vibration-in parallel to
generate sound waves. Since nine cables are generated, they have excellent frequency
characteristics and transient characteristics, Further, various excellent effects such as high
efficiency, durability, toughness and the like can be obtained. By the way, if you look at the state
of the vibration about the-zero of the bend (a) of the vibration rumor (@) of the above-mentioned
vibration driver speaker, the parallel part surface (8 m) (6 b) which forms the bend ta + as shown
in FIG. And as the bent portion (6C) moves in the arrow direction of + and-with O as a reference
point, air is sucked and discharged from K. In this case, although the amount of air drawn and
discharged changes linearly with the displacement of the parallel surface (6 m) (6 b), the amount
of air is non-linear with respect to the blame by the bending portion (6 a) K It will distort the
sound waves that are generated due to the change.
Since woodwork 4 is for removing the above distortion, a fixing member is provided in the
bending portion of each fold of an accordion-curtain-like vibration bed in the case of a ribbed
driver (4), and this bending portion In order not to vibrate K, a strange sound wave is generated
by the vibration of only one thousand rumors. An embodiment of the present invention will be
described below with reference to the drawings. In the present invention, as shown in FIG. 4, the
fixing member (8) is inserted in contact with the above-mentioned bent portion, that is, the tip
end portion of the fold, and from this fixing member (8) K, the bent portion (6G) Is fixed so as not
to vibrate. By the movement of the parallel-plane (6m) (6b) in the +,-direction of the arrow, 1)
only the amount of air sucked and discharged contributes to the generation of the sound wave,
and distortion can be eliminated. In addition, since the parallel olfactory planes (6a, 6b) vibrate
with the lower end of the fixing member (8) as the fixed end, as shown in FIG. 4, a triangle S is
formed along with the vibration. The change of the air quantity is almost linear and will cause
distortion and 0 $ 5 figure is vibration 11! The state which inserted the fixing member (8) in the
bending part (6C) of each +8 + fold (&) is shown. (4) In the case where the fixing member (8)
according to the blue-water barrier is provided, the effect can be obtained by using a material
having elasticity as the material of the vibration IIIill. According to the present study, an
accordion-shaped diaphragm having a conductor is disposed in a magnetic field, and the signal
current is flowed through the conductor to parallel-shift the diaphragm of the diaphragm to
generate a sound wave K Hai pv% "? As a result of providing the bending portion K 'plus 24-fixed
member of each of the above-mentioned folds in the'-force, the change of the air quantity due to
the displacement of the swing # IJll I is straight,% '! The effect of being able to eliminate
distortion + t1 penetration of this running sound wave can be acquired.
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