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BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a cross-sectional view showing the structure of
a conventional composite type speaker: FIG. 4 and FIG. 2} is a cross-sectional view showing an
embodiment of the present invention. 1 1 1
ииииииииииииииииииииииииииииииииииииииииииииииииииииииииии Loudspeaker, 2 l и иииииии Bass speaker 3 ииииии Plate with pole piece, 5
иииииии Cone diaphragm for bass, 1 ииииии Ring magnet, 8 ииииии Top plate, 9 иии Damper 10 иии Voice coil 11
и и и и и и и Frame и 12 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 и и и и и и и и и и through hole, 15 и и и? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?
? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? Fig.
1-63-Actual open 5 'O-15 1628 (2) Fig. 2-?-
DETAILED DESCRIPTION OF THE INVENTION The present invention relates to the improvement
of composite speakers. In general, in the speakers, there are few speakers that can obtain
uniform output sound pressure over the entire band up to '29HM-510KHI, and the speakers for
bass and treble are separately provided in a box, or A cone-type or horn-type high-tone speaker
and a network are attached to the central portion of the bass speaker, and used as a composite
(1) 94 ? ? L-? speaker. What is shown in FIG. 1 is an example of this composite type speaker,
which is a bass speaker (! Attached to the top of the plate iml with a pole piece at the center part
of) and attached via a strange gold odor (4), and a signal from the set via a gold thread wire (6)
(1) It is configured to apply K. Incidentally, (7) is a song-like magnet, (8) is a top plate, 11d
damper,-is a voice coil, (1 is a frame, a rumor is a gasket. In the conventional composite speaker
as described above, ^ Sleeker fi + for sound needs to be attached to the network circuit, and the
attachment is complicated by not attaching it on the plate (3) with the bracket (4). There is a
defect that the number of parts increases, and moreover, the gold wire (6) is broken when a large
input is applied because the gold wire (6) relays the signal to the high-tone speaker (1). There is
a disadvantage that the gold wire (6) vibrates at some point. In view of the above points, the
present invention seeks to provide a low-cost and high-performance composite speaker (2).
??????? One embodiment of the invention is shown in the drawing. In FIG. 3, the same
components as in FIG. 1 in the conventional configuration 4 are indicated by the same reference
numerals, and the description thereof is omitted. In FIG. 2, in the present embodiment, a through
hole-is perforated at the center of the pole piece I of the low frequency speaker (-), and the pole
piece a! At the upper end of I, a bimorph a @ is installed via a braking rubber fist. Further, the
damping rubber sheet ? ? and the bimorph all are formed in the donut lid so as to have the
central hole a1Q1 that conforms to the through hole female, and the bimorph lateral is formed of
the piezoelectric material. Then, a weather-cone wound for treble to more effectively transmit the
vibrations of the isomorph on the bimorph is fixed, and the lead wire of the bimorph is externally
passed through the central hole He and the through hole ginseng. Lead to the terminal @ force of
the, the speaker for the bass at the time of the nuclear terminal @ (!
It is connected to 1 lead wire and 1 row. In this case, since the bimorph-based high-pitched
speaker (1 ░) has a very low sound pressure (3) 24; (-) level in the low range and very little
distortion, the network is completely do not need. In addition, the low noise cone-moving plate +
dust-proof of Il is made of a material which is rough and air-permeable in order to transmit high
sound well. As described above in detail, in the present invention, the composite speaker is
constituted by a very simple structure, and the conventional gold wire for relaying the signal
from the cone portion of the bass speaker to the high sound sneaker is unnecessary. As a result,
there is no cutting of the gold wire as in the prior art and no occurrence of movement, the
performance is greatly improved in terms of sound quality and reliability, and the network part is
not required at all. Very useful.
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