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JPS4884235

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DESCRIPTION JPS4884235
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a cross-sectional view showing an embodiment
of the dome-shaped speaker according to the present invention, FIG. 2 is a top view of the domeshaped diaphragm, and FIG. FIG. 4 is a frequency characteristic comparison diagram according to
the number of small holes. 5 · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · ·
· · · · · · · · · · · · · · · · · voice coil, 12 · · · · · · · · · · · · · · · · · · · · · · · Small hole. Figure 1! Fig. 2-77 Fig. 4 f
Fig. 4 f Fig. 4 f
DETAILED DESCRIPTION OF THE INVENTION In the present invention, the dome volume
vibration monitoring method, the domic acid speaker Kll which measures the improvement of the
ma number characteristic by forming a large number of through holes in the di-part 4, generally
the dome panel Mebica is dome-shaped through the ring on the outing! Paste the IAwI board, this
dome 鋤 (! The voice coil is connected to the rising part of the IJJ plate, and the baffle plate is
attached and configured to press the edge S of the upper-'Kenki dome disgusting wedge. Then,
resonance occurs at the edge of the dome-like vibration plate, and in the sound pressure and true
wave number characteristics, as shown by 砿 in Fig. 3, the undulation etL potato O is 9, 48842355- 072-0 The invention is intended to be eliminated from the above-mentioned
conventional simple simple structure, K. Hereinafter, the invention will be described with
reference to FIG. On the plate (2), K is like a ring! Dane (3)) is softened, and the ring-like upper
plate C4) is placed on the magne- toe (3), N is integrated by an adhesive such as K, and the field
portion (51,- Form one. The dome glue 111111 (7) is mounted on the field section (]) through
the ring (6), and the powerful plate (8) is mounted on the dome glue 11111 (7). A coil bobbin (2)
having a voice coil QQ 41 * is connected to the rising portion frame), and the voice coil (rotation)
is configured to be positioned in the field member O magnetic gap to 'i. And the above-mentioned
dome layer shake JI! Work of I board (7), 郁 l! O small hole casting is formed. By configuring in
this way, the dome body movement m x ff) is up and down I! Even if the movement and the
mechanical parts follow and vibrate, air flows in by ζO small hole casting, and AOOn wat r +
12-05-2019
1
rmm3, O O vacancy O # I 工 工 工 工, 郁-Reduce the anti-resonance on the frequency
characteristic as shown in Fig. 3 and make the whole a flat characteristic. Furthermore,
depending on the size of the number of the upper small holes, the sms number It can be adjusted
freely. For example, a small hole U metal work of α 4 籐 φ, 12 pieces provided in a diviment,
company aO shown in Fig. 4 becomes like aO and no step effect is obtained in the high region, t,
same diameter If 34 small holes U are provided, as shown by bK, it is considerably stabilized in
the Km range, and those provided with 45 small holes Q 3 have a completely stable frequency
characteristic as shown by CK as 2 or more. In the present invention, since the dome glue skater
uses a dome vibrational song in which a large number of small holes are formed in the engine
part, the air resistance that flows in and out of the small holes during operation causes an
increase in lll wave number characteristics. In addition, it is possible to reduce the size and size of
the kernel, and to make it possible to adjust to confession according to the number of small holes
in its characteristics, which is extremely simple in construction and cost. With many advantages
such as being advantageous, practical 4R- l ( ') 2 to -na4 · s 3.
It is the one with a high threshold. a, i * wo Brief description Yellow 11jll is a dome-peaking
speaker to- $ 118 of this review, IlIg + showing a dome-peaking speaker, Fig. 2 is a top view of
the dome shadow diaphragm, fig. Frequency, goodness comparison figure, Figure 4 frequency
characteristic ratio wIIall the number of small holes. (31、−、Wa1ml! l、r7)、、
、0. Bee Am diaphragm, 00619. Voice coil, 02. ,,,, too, the edge, mouth 1. . Small hole. Name of
Attorney Attorney Nakano Toshiya Nakano et al. 1 person No. ILQ-QA ')' 2-M. □ I: 1st v!
Jgt7t’;! 64! No. 21 212 1313 ° f 3 @ Mr. @ 48-84 2 35-5 Nose ■ 10 thll 鏝 鵬 $
13 11 "flash i-瓜 ■ 我 嬉 411” 1 會 凪 m * East □ t generation prisoner's @ 48-84235-071. m
Toshio Nakao 6 Attorneys other than those mentioned above, Osaka Prefecture Kadoma city Oda
Kadoma address 1006 Matsushita Electric Industrial Co., Ltd. Name (6152) Attorneys Shigeno
Shigeno \, f '48-84235-08
12-05-2019
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