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JPS57138493

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DESCRIPTION JPS57138493
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view showing an acoustic
diaphragm support member according to an embodiment of the present invention, and FIG. 2 is a
state in which the acoustic diaphragm support member of FIG. It is a longitudinal cross-sectional
view which shows. Main code 1: Support member, la, lb: Outer peripheral part, A: Diaphragm, B:
Frame, C: Permanent magnet.
[Detailed description of the invention] Name of the invention 1 name of the invention acoustic
diaphragm support member 2 ° range of new model registration request for disaster (μ male
and the elastic force of the hollow cylinder having all elastic force outside the phoneme
diaphragm The sound diaphragm support member 1) 3) The sound diaphragm supporting
member 1) 3) The detailed description of the invention The acoustic diaphragm support member,
in the order of writing and drawing, the outer peripheral portion of the outer peripheral portion
of the acoustic diaphragm is rigidly fixed to the frame of the sound V converter, and is supported
by the i "T The elastic force can not be overcome via a support member consisting of a hollow
cylindrical body. An object of the present invention is to provide an acoustic diaphragm support
member capable of performing positioning of an acoustic diaphragm with a nuclear support
member in one step and obtaining an acoustic vibration load that is good as an acoustic
diaphragm. Conventionally, the support member for attaching the acoustic diaphragm to the
frame of the above-described converter is, for example, cloth, non-woven fabric, coalescence 1- /?
To give the sound V vibration & the best sound% characteristics. J? Right 102.1) "A flexible,
lightweight support consisting of fat confections is used, especially in acoustic frequency" + "! In
the case of using a throttling diaphragm, it is possible to accurately position the diaphragm to a
predetermined position, and to make it possible to uniformly vibrate without distortion over the
entire surface of the diaphragm, etc. A) T :::::: L :, L ', two '22 ::: げ, 昭 53-22931 has a long
serpentine shape, its opposite end V One of the tongues to be formed is the outer peripheral
portion of the diaphragm (...? Fixed to the tongue of another force???????????????????? Open! It
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is shown. By the way, whether the supporting portion of the above-mentioned configuration is
such that it exhibits excellent sound V characteristics by applying the ft to a ten-root diaphragm,
like this supporting member, the entire outer peripheral portion of the diaphragm Forming the
support section in the shape of a belly-shaped long needle 7 fixed over the entire process
requires high-level technology and skill to process and shape a person, so it is difficult to massproduce, and inevitably expensive The drawback is that it is -2-10: lt). The present invention has
been devised to eliminate the above-mentioned drawbacks, and its evaluation will be described
based on the drawings. FIG. 1 is a perspective view showing an acoustic diaphragm support
member according to an embodiment of the present invention, and FIG. 2 shows a state in which
the acoustic diaphragm support member of FIG. '): ^ 皐. It is a longitudinal cross-sectional view
shown. In the drawing, a support member for a flexible, elastic, flexible hollow cylinder made of
synthetic resin or the like and having an outer peripheral portion / ai at one end thereof is
shown. > As shown in FIG. 2, the other end peripheral portion / b attached to the diaphragm All
/) firmly attached to the surface outer peripheral edge and opposed to the AflBr support member
1 is either integral with or separate from the same, and identical The permanent magnet C of the
acoustic transducer shown in FIG. 2 is disposed via the L-shaped holder made of a material, and
is fixed to the frame 7.
Furthermore, a support member / having the same configuration as described above is fixed to
the back outer peripheral edge opposite to the front 1) peristaltic plate AD front outer peripheral
edge, and then the L-shaped holder 2 is used to attach the frame B Stick and configure. Thereby,
as shown in FIG. 2, by the support member of the hollow cylindrical body having an elastic force
M which is fixed on the front and back outer peripheral edge portions by vibration, as shown in
FIG. F'j / is stably and reliably supported so as to be able to vibrate extremely freely with respect
to vibration to the turn. Therefore, it occurs due to the intersection of the a1 end shown by the
dotted line from the N pole to the 8 pole of the permanent magnet C shown in FIG. 2 and the
current flowing through the not-shown wire bonded to the diaphragm A or the printed
conductor. 1. · 1, k'IiA & Afj: l · TJI 'J "(') & t! 'L (') 'Pk' CL% # Jfie, 51.1 Produces an acoustic
corresponding to the flowing current. 7 'Note that in FIGS. 1 and 2, the vibration & A is 11.1.・
・ ・ ・ "" Un-fixed □, · 1, fixed to the opposite outer peripheral edge of the front and back
screen. い、□□LM−。 It is not necessary to support both sides of the diaphragm with the
support member, and only one of the sides may be supported by the support portion, and this
support member may be used as the frame B of the acoustic transducer. It is also possible to
attach directly to the frame B without using the L-shaped holder 2 shown in FIGS. 4−103、
、! As described above in detail, in the present invention, the outer peripheral portion of one
end of the hollow cylindrical body for elastic force is fixed to the outer peripheral edge portion of
the acoustic diaphragm, and the ground cylindrical outer side 1a4 sound 1s' which the hollow
cylindrical body faces; L. An acoustic diaphragm support member for picking + Ir fixed to the
frame of the acoustic transducer, this support member being, in particular, a support member Vc
for a flat diaphragm, in which case the diaphragm is permanent of the acoustic transducer It is
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not only possible to position the plate at a predetermined position facing the magnet very
accurately, but it is also possible to move the diaphragm upwards and downwards only freely,
and also with relatively large amplitudes. ! In order to be able to follow and vibrate sufficiently
without causing% distortion)), there is a feature which can further improve even sound
characteristics to the low tone range of the sound. Furthermore, as described above, since the
support member is composed of a hollow cylinder having a simple Δ configuration simply
formed of a material having elastic force, the Mfl can be performed extremely easily, and mass
production is inexpensive. An exceptionally good effect.
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