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JPS5765994

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DESCRIPTION JPS5765994
Detailed description of specification (No change in inner pipe) Specification 1, Name of invention
Coaxial composite type speaker
3. Detailed Description of the Invention The present invention relates to a speaker with emphasis
on sound quality. Conventionally, there is a composite (coaxial) type speaker in which separate
key units are provided in each of the speaker units to achieve band (tone range) division, but
there are various restrictions in the configuration. The invention aims at obtaining a new method
of construction of this type of town speaker. The present invention will be described below with
reference to the drawings. FIG. 1 is a cross-sectional view. It is the illustrated method according
to the cross-sectional view of a normal circular cone-shaped dynamic beaker. Yoke cover etc.
omitted. The speaker in this figure is dome-shaped (for high-pitched sound) at the center, coneshaped (for medium g) around it, cone around it) 9J (low? ), Each with a voice coil, housed in a
magnetic circuit. It is a standby that the magnetic circuit is a summary, and that the diaphragm is
arranged in a plane. Omitted for back pressure treatment etc. With such a configuration, a multiway composite speaker can be easily manufactured and realized. As described above, the present
invention is easy to construct, and each diaphragm is in the same plane and coaxially ", so that an
excellent composite type speaker with natural sound field reproduction can be obtained. As an
additional matter, as shown in the cross-sectional view of FIG. 2, the fixed film 7 is placed at
substantially the same position as the normal voice coil 6, and a part of the audio current is
added to this (2) EndPage: 1 reverse The flow in the direction is expected to be effective in
reducing the induced current (cause of distortion) in the yoke.
4. Brief description of the drawings Patent applicant Katsuya Ishizaki (3) G Sparse Procedure
01-05-2019
1
Correction (Formula) 3, person who makes correction EndPage:2
01-05-2019
2
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