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JPS5595499

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DESCRIPTION JPS5595499
Description l1 Title of the Invention
スピーカ
3. Detailed Description of the Invention The present invention relates to a speaker having a voice
coil and a skin connected to a skin layer of a honeycomb vtsm diaphragm. First of all #! JA figure
and #! FIG. 2 shows a connection structure of voice coil bobbins in a conventional flat-plate
speaker using a rice bowl with a honeycomb structure. By the way, the diaphragm f i + made of
the honeycomb lll is integrally adhered to each other by the pair of scan layers 13 + 141 v
adhesive layers 151161 on the front and back surfaces of the core +21. And fll in Fig. 1A is a
back skin layer (the voice coil bobbin (the tip of 71 is processed by adhesive + 81 and directly
bonded to 41), and fII in Fig. 2A has a bobbin cap (9) attached to the tip fc The die coil bobbin
(71 is adhered to the back skin layer (41 with an adhesive (81). In the figure! 11Nはボイスコ
イルである。 However, in this modified rz 米 ll ll l construction, the voice coil bobbin (at the
connection point of 71 and the surface skin layer (41 is drawn in a circle 状 like f 'L in FIG. 1B
and FIG. There were frequent occurrences of spoofing and spoofing. In addition, the rear surface
skin layer (4) is locally strong because the driving force of the voice coil (11 j is transmitted to
the rear surface skin layer (4) of the diaphragm Il + via the voice carp EndPage: 1) (Because the
white is repeatedly bent and the white peels off from the adhesive layer 61 due to fatigue and it
is torn off. In addition, in order to reduce the disturbance of the frequency characteristic of the
frequency range of the high region 1, there is also a device in which the adhesive layer +51161
is softened to increase the braking effect of the photo film 111, but the adhesive layer (61
becomes soft The above-mentioned accident is likely to occur. The present invention has been
invented in view of the above-described problem, and effectively rc reinforces the skin layer of
the diaphragm to which the voice coil bobbin is connected to connect the diaphragm and the
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Boy, X: l-il bobbin. It is an attempt to provide something that is intended to be stabilized. An
embodiment of the present invention will be described below based on the drawings. The same
reference numeral is attached to the same structure -S part as the conventional example
described above, and the description thereof is omitted. First, FIGS. 3 and 4 show a speaker
having a structure in which the voice coil bobbin (7) is a retrograde skin layer of the diaphragm +
'll (directly or directly with a bobbin cap (9; rub i connected). The voice coil bobbin connection
point of the back surface skin layer (4) is configured to be ms from the inside of the back surface
skin layer +41.
That is, the reinforcing layer α2 of the voice coil bobbin (7) having a diameter of 1 mm, for
example d circle 11iI 吠 or annular ring (donut * 吠), is used; In the meantime, with the voice coil
bobbin (7), it is interposed in the same axial direction as the rear surface skin layer + 41 '! -111
Publicly reinforced with two layers. In this case, the reinforcing layer (12+ and the rear surface
skin layer (41) may be bonded to each other by the adhesive layer (61 or by welding or the like).
The reinforcing layer 0 may be made of the same material as the skin layer + 31141 such as a
sheet material such as aluminum or carbon, but it does not have to be the same material, and free
materials such as metal, strong plastic, carbon fiber layer, etc. Good reason. Next, FIG. 85 and
FIG. 6 show the voice coil bobbin (7) V and the core (21 and the front skin layer (31; directly or
through the bobbin cap (91)). In the speaker having the above structure, the front skin layer (3%
voice coil bobbin connection point V% and the front skin layer (circle gA of 31) is reinforced by
the reinforcing layer O2 in the same manner as described above. However, in this case, the voice
coil bobbin (7) is connected to the front skin layer (31) via the reinforcement 1fIα2. Next, FIGS.
7 and 8 show a speaker having a structure in which the voice coil bobbin 71 of vI is connected to
the rear skin layer of the diaphragm 11 (directly or to the bobbin cap (91 by valve). The voice
coil bobbin connection point of the skin layer (4) is changed from the outside 9111 of the back
surface skin layer (4) to the reinforcing layer f121! In order to reinforce the same as described
above, it is constructed. Also in this case, Ii! The bonding of the Ji layer [I 21 and the back surface
skin layer 41 may be performed by the adhesive layer I or by welding or the like. In addition, this
place @ Havaisu coil bobbin (71 is connected to the surface skin floor (41 through reinforcement
II (13. Next, Figure 9 shows the voice coil bobbin 1 and 1 MU core (21 In the speaker having a
structure in which the front skin layer +31 of the diaphragm 111 is in contact with the front skin
layer +31 directly or through a bobbin cap, the front skin layer (31 voice coil bobbin connection
yyl The layer (from the outside 1111 of the layer 31 is formed to be reinforced to the reinforcing
layer az in the same manner as described above. In the embodiment described above, it is also
possible to make the vJ reinforcing layer 112+ into a plurality of layers.
According to the present invention, as described above, the skin layer of the diaphragm to which
the voice coil bobbin is connected is processed by reinforcing the diameter of the voice coil
bobbin at the connection portion of the voice coil bobbin. Therefore, according to the present
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invention, the surface of the skin layer receives the force of the voice coil bobbin during driving,
and the σ voice coil bobbin applies the force to the skin layer from the skin! [The 70 太 is thick
(it becomes weak and the force disperses and becomes weak (because the voice coil bobbin, C
skin layer is locally strong (repetitive 9 I will prevent you from taking a trick. The stabilization of
the connection between the 9th diaphragm and the voice coil bobbin V figure 91 individuality is
significantly improved. This comes with EndPage: 2. Moreover, since the reinforcing layer is
partially provided at the connection portion of the voice coil bobbin and not provided on the
entire surface of the skin layer, the mass of the vibration 111111 hardly increases and the
driving force is small. It is finished.
4. Brief description of the drawings. Alk and FIG. 1B are sectional views showing the conventional
fll, FIG. B button and FIG. 2B are sectional views showing the skin layer in the above conventional
example. It is. 3-W! 0 Implementation of the invention? It is the mfkJ figure which showed lIv.
Further, in the reference numerals used in FIG. Ii [+, (11 ..... vibration 鈑 131 ... front skin layer
(41 ..... .. * LTh skin layer (71....... Voice coil bobbin 0... Atsushi Tsuchiyajima sales and saka
dormitory 坂 第 1B Fig. 1B EndPage: 3 Fig. 7 EndPage: 4 → 手 続 Procedure correction document
(method) 1. Patent No. 6605: 6, number of inventions increased by correction 7-hn ′ ′ ovg +, ,,
9□。 For simplicity, 1 ° 禰 8, 0EndPage, which corrects “FIG. 1B” on page 7 line 6 of the
correction specification as “FIG. 2A”: 5
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