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BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a cross-sectional view showing an embodiment
of the speaker according to the present invention, FIG. 2 is an enlarged cross-sectional view of
the main part, and FIG. 3 is an operation explanatory view of the main part. Figure 4 shows the
temperature distribution of the voice coil. FIG. 5 is an input-proof characteristic figure of the
speaker of the prior art and this invention. [M, E и и voice coil. 12 ? ? Bent coil bobbin. 13 иии и и и и
и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и 2nd radiator,
16 и и и Damper 17 и и и и и и Magnetic gap. Fig. 2-95-real open model 52-53 735 (2) Fig. 4 50 ░ O
7080 system temperature rise 10 C Fig. 5 7 ? 11 study left C 'C) "input PCW)-96 1
DETAILED DESCRIPTION OF THE INVENTION The present invention seeks to provide a
loudspeaker that is configured to effectively dissipate externally generated from the voice coil to
withstand large inputs. General [, in the speaker, as the input voltage in the vc system in
operation increases, Il Ova heat is increased by JL, and the voice coil OII collapse (due to Zebino
and the coil, the elephant of the voice coil during the fIa of the voice coil! ll ? ? ? ? ? ? ?
? ? ? 4 1 1 * * * * * 1 1 1 ?. (2) In order to prevent such a phenomenon, conventionally,
measures such as the first order have been taken. % & (The heat resistance of the coil must be
strengthened, and the ability to observe the bobbin and coil or coil should be strengthened. ?)
Bonding reinforcement of bobbin and coil part by coating with heat resistant tree 111. Increase
in fQ voice coil diameter. However, these measures significantly increase the mass of the imaging
system, * increase the number of engineering teachers, lower the efficiency as a speaker, and
increase the size, which is disadvantageous in terms of cost. It has an electric power point, and it
is possible to cover the headquarters due to W-heat generation with the improvement of
mechanical strength in this way. There is @R, and island tl (1'-v "" tL < ▒. 2- To the present
invention, the above-mentioned "P", "G" missing at is eliminated. Following the single-run plan ?
110 110 Figure "from 1 to 6! ?? 1) is a field aW6, a plate provided with this field section, a
through hole 2 at the center of one field, a counter setter ball 3f: to 04) 3. A frame 7 is connected
to a field W 61 formed of a ring-shaped magnet 6 and a well plate 6 in the same manner as the
ring magnet 6. This frame 71. 1) A disgusting portion (here, the gasket 8 and the peripheral
ridge portion of the peristaltic plate 9 are joined together with an agent 49 or the like. An upper
surface central portion v of the moving plate 9 is attached with a radiator 1o of @ 1 made of
conical aluminum. A central portion wC of the first heat radiator 10 is an aluminum constituting
the voice coil 11. i Which metal scrap is formed on t Korubovino 12! 1 is connected and heavy.
Of course, the coil 1s is wound around the lower part of the coil bobbin y12. A conical second
heat dissipating body 115 made of aluminum having a vent 14 at the center is connected to the
upper end of the coil bobino 12. 9. The middle part of the corvo rubo vino 12 of the voice coil 11
is electroded with a part #C of the frame 7 at the periphery and held by the t damper 16. It is
positioned correctly. !
4 Such groove-like, when the operation of the speaker, the occurrence of Zeal heat in the coil 1s
portion of the voice coil 11 causes a rise in S degree ? ? This S degree rise is transmitted to the
ilbovy y12. Similarly to the coil 1s, the coil bobbin 12 is also raised in warm temperature fL4a
The temperature distribution thereof is as shown in the 411st of the speaker K having a diameter
of 16es. The coil bobbin i12 rises by II degrees t-first heat sink 10. The heat dissipating member
16 of the crucible 2 quickly dissipates the outside (1 j [dissipation]. The heat dissipation body 10
of the temple V and the bowl 1 contacts the cold nine o'clock, the ttc's #reverted, and the heat
conduction from the coil bobbin 12 which rises by h occurs, the first The heat dissipating body
10 absorbs the heat of the coil bobbin 12 so that the coil bobbin 12 is cooled. +, The ?i 1.2?
body 16 is similarly cooled in contact with the outside air, While absorbing the heat, as shown in
the third, the exhaust air around the voice coil 110 is conducted at the conduction hole 14 and
the exhaust of the voice coil 110 is carried out to perform a cooling operation for one stroke rise
of the voice coil 11.?. Next, the rise of the voice coil OSt with respect to the input power of the
speaker is as shown in FIG. This #IeIiFI is useful for comparing the use limit of the speaker, that
is, the increase in humidity of the loudspeaker by 80 ░ C., and the maximum input 8 W of the
above-mentioned conventional bariatric speaker (indicated by A) is useful. The amount of the
speaker of the present invention (shown by B) compared to the large input i = 1ew and 1L2 times
O to show that the input resistance has become ? ? ? as above O is configured to the speaker
of A device Because the heat generated in the nerve fill section is dissipated to the outside
quickly by the two heat sinks, and hence the input resistance of the large on-the-lake meter, also.
4 dormitories, such as damage to the burnout of Yishko Ruko, and poor work with ?, fI due to a
significant increase in mass in the girth! * + Hv and A can also be blocked, and it can be stopped
by the heating element of Ill, and it can also prevent split resonance etc. of the 11th board, and it
can also be improved by 41 plays, etc. It is. 4, @ ff 1 O easy * St * 11i I butterfly book g # of a
speaker showing a real case of the speaker и maw, g * s ? ? ? enlarged 1 L ? 81 is Oka mat W
?-theory -Column, 11114-is the temperature distribution of the voice coil-, and S-is an inputproof characteristic diagram of the conventional and heavy-duty proposal O speaker. 1... Self и и и
II @ J [, 1 o и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и 1 rumebino, 1s
и и и ... coil, 14 ... - ... vent, 11I и и и и и и happy ? heat radiator for.
????????????????????????? Name: Attorney Nakao and others 1
person yfm prof. Toshio Nakao and others 1) Fig. 1 815 1410.6 / 72 ? 11 23132 13 10 514 \
2 + 3 \ 2 2 53 735 second generation mAeaa ? ? 41 '101 @ Fig 3 thunder 0914 5 + 611 131
(4 [23 [411 [X # y 0 4 K 1 degree ll Tl IC 537 j 5 generations prisoner member tortoise leopard?-1 or 14 & i Figure 5 employment 't' Me-1 # 't @% 54 * ? и и и B (? ? и outbreak) 1 :: world il T
(oc) ? 2610741 B human power P (t) No-and agent Mr. 1 ? Toshio Nakao I! Or 1 person 6 + il +
other agent + io + Osaka Prefecture Kadoma city Ogata Kadoshin Address 100 Matsushita
Electric Industrial Co., Ltd. и и и 41-name (6152) Patent Attorney Shigetaka Kurino-)
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