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JPS53123924

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DESCRIPTION JPS53123924
BRIEF DESCRIPTION OF THE DRAWINGS FIGS. 1a and 1b are cross-sectional views showing a
conventional example and a front view with a part of the front plate removed, FIG. 2a. b is an
exploded sectional view showing the composite speaker according to the present invention and a
front view showing the first and second coupling parts, 20 is a main speaker, 21 is an input
terminal, 22 is a frame, 2T is a secondary speaker, 29 is a secondary speaker The front plate, 30
shows a first joint, and 32 shows a second joint.
DETAILED DESCRIPTION OF THE INVENTION The present invention relates in particular to a
composite speaker consisting of a two-seater 3-7 Z 39 "2 loudspeaker, a main loudspeaker and a
secondary loudspeaker. Recently, in particular, automotive speaker systems tend to use single
cone type loudspeakers to composite loudspeakers in order to increase the sound reproduction
effect as the car radio shifts to car stereos. Fig. 1 shows an existing composite speaker. In the
figure, (1) is a main speaker, and the speaker (1) is mainly superior in the frequency
characteristic of the low frequency band. (2) is an input terminal provided to the frame (3) of the
main speaker (1), and an input signal is externally applied to the input terminal (2). (4) is a
diaphragm of the main speaker (1). The diaphragm (4) is provided with an eyelet (6) whose one
end is connected to the voice coil (5), and the t eyelet (6) is a flexible wire (7) i. They are
connected to the input terminal (2). (8) is an auxiliary voice input power, and the speaker (8)
excels in the high frequency range frequency characteristic. (9) is a divided capacitor provided in
the secondary speaker (8), which is connected to the eyelet (6) of the main speaker (1) via a
flexible wire, and the input signal in the low frequency range is I'm cutting. I is at the angle at
which the secondary speaker (8) is attached. (3) The angle I is fixed by the frame (3) two rivets or
the like of the main speaker (1). (2) is a front plate fitted so as to cover the rear speaker (1) and
the secondary speaker (8) after the angle ul is fixed to the frame (3). However, in the composite
speaker according to the above configuration, the secondary speaker (8) is electrically connected
to the eyelet (6) provided on the diaphragm (4) of the main speaker (1) through the flexible wire
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Q (I). Since it is continuously connected, there is a possibility that the bellow-stable cable α1
regulates the vibration of the diaphragm (4) or generates an abnormal sound when the
diaphragm (4) vibrates. Also, since the flexible wire dll termination electrically connecting the
main speaker (1) and the secondary speaker (8) is soldered, the main speaker (1) and the
secondary speaker (8) How to cover (If you attach the speaker according to the front plate @ to
be fitted, the soldering operation can not be done. So, if you cover part of the front of the main
speaker (1), it is K. In order to mount the secondary speaker (8), it is first necessary to
mechanically fix the secondary speaker (8) to the frame (3) of the primary speaker (1) by using
an adjustable angle α and then solder it.
Therefore, the main speaker (1) and the secondary speaker (the electrical connection process
between the group and 4 takes a lot of man-hours, which causes cost 9). The present invention
has been made in view of such points, and will be described in detail below with reference to the
drawings. 1 is the main baby power for the low frequency range, (2) is the input terminal
provided on the frame @ of the speaker j, and ■ is the diaphragm provided with the aireon 2
connected to the voice coil @, Is a flexible Y. rewire in communication with the input end PC 端
and one eyelet. The punishment is high '-(secondary speaker for the character sound area, 1/8 is
a divided capacitor to cut the input signal of the low frequency band of the secondary speaker,
the layer is punched metal etc. I'm talking from you. I is a first joint portion installed so as to be
opposed to the frame of the main speaker 1 in the vicinity of the periphery of the “if 1 face
plate τ co, and the first joint portion has a lead f $ + 31i The secondary speaker (source) K is
electrically connected via C. (至) is a connection portion C1 of '42 provided in the frame of the
main speaker, and a connection portion (至) of the 2 is a series of input terminals f21) K via the
lead wire (至), When the face plate (2) and the frame of the main speaker (support) are integrally
fitted, the respective coupling portions (113 + 1 are connected to each other, and the input
terminal (2) and the secondary speaker are electrically connected. Next, the assembly process of
the composite speaker of the present invention will be described. Prepare a pre-assembled main
speaker and a secondary speaker. First, a second connecting portion (support) is provided at a
position opposite to the front plate □□□ on the frame of the main speaker ■, and the second
connecting portion ■ and the input terminal (company) are lead wires Connect with On the
other hand, in parallel with the above-mentioned assembling operation, a secondary speaker
[with] is attached to the partial surface plate, and a first coupling portion is provided at a
predetermined position of the front plate facing the second coupling portion. The first coupling
portion (d) and the secondary speaker are connected by a lead (company). At this point, the
operation test of each of the main and secondary speakers is performed. After that, the first and
second coupling portions CaW are combined (fitted and attached) so that the @ face plate
(support) in which the secondary speaker @ of the frame of the main speaker 1 is taken into
consideration. By this fitting and attachment, mechanical and electrical connections between the
main speaker 1 and the secondary speaker 2 are made. As is apparent from the above
description, the combination type biviator according to the present invention has the second
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coupling portion facing the main speaker frame, and the first coupling portion facing the @ 1 Iii
plate in which the secondary speaker is attached. (Because it is provided, mechanical and
electrical connection between the main speaker and the secondary speaker can be made simply
by fitting the 1 l JWJ plate to the frame.
Therefore, when the electrical connection process between the main speaker and the secondary
speaker is greatly simplified, the number of parts can be reduced since the anogle of the
conventional device is not necessary in the present invention. Moreover, since the connection
between the main speaker and the secondary speaker is not made via the flexible wire, the
vibration of the plate of the main speaker is not restricted by the flexible wire, and a good
reproduction sound can be obtained. The place to get is big.
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