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JPS5437849

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complete, reliable or fit for specific purposes. Critical decisions, such as commercially relevant or
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DESCRIPTION JPS5437849
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a front view partially showing a conventional
inductance device for a decoupling network, and FIG. 2 is a dipipe ink network according to an
embodiment of the present invention. FIG. 6 is a front view partially showing an inductance
element in cross section. 1 ...... winding frame, winding wires having two ...... circular cross-3 ......
coil winding, 4 ...... voids, 5 ииииииии Wire for winding having rectangular cross-sectional shape.
DETAILED DESCRIPTION OF THE INVENTION The present invention relates to the winding
structure of an inductance element used in a tidding network interposed between an electrical
input terminal and a plurality of speakers in a multi-speaker system. For example, in a two-in-one
multi-speaker system having a low sound speaker and a high sound speaker, a filter group for
distributing and supplying an electric input to each of the above-described speakers, that is, a
dividing nenoto waterer is necessary. The present invention relates to the winding structure of an
L element, ie, an inductance element, of a tiviting cage network in an LC configuration.
Conventionally, as shown in FIG. 1, this type of inductance element is formed by winding a
winding wire 2 having a circular cross-sectional shape around a cylindrical portion of a ninewinding frame 1 to form a coil. A winding type &! With a circular cross-sectional shape like this.
Since 2 is used, the area in which the outer peripheral portions of the wires 2 contact each other
in the coil winding portion 5 is very small, and it is not only difficult to align and wind the wires
2 It causes four. The air gap 4 between the wires 2 has a margin for allowing mechanical copying
of the wires 2. Therefore, when the signal current flows in the coil, a beat co-image phenomenon
occurs between the windings, and the signal current increases by 2- As it is generated from the
speaker as noise. The 9-winding electric wire 2 is composed of a conductor 2a and an insulating
film 2b covering the periphery of the conductor 2a. It is an object of the present invention to
provide an inductance element for a tib ing junction circuit which facilitates the alignment
winding of the winding of the coil and the generation of a small amount of noise. That is, the
inductance element for a dividing network according to the present invention is characterized in
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that a winding wire having a square cross section or a rectangular cross-sectional shape is used
as a winding wire of a coil. The following four embodiments of the present invention will be
described with reference to the drawings. Referring to FIG. 2, an inductance element for a tibing
network according to an embodiment of the present invention uses a winding wire 5 having a
rectangular cross-sectional shape as a winding wire of a coil. Therefore, in the coil winding
portion 6, the outer peripheral portions 6 of the electric wire 5 come into close contact with each
other in a plane, and not only the alignment winding of the winding of the coil becomes easy.
There is no gap between the lines 5. That is, since there is no air gap between the two windings
5, there is no allowance for mechanical vibration of the electric wire 5, and the generation of
noise which almost causes the beat resonance phenomenon between the windings is reduced.
In addition, although the wire 5 for winding wire is 2 layer structure of the conductor 5a and the
insulating film 5b in FIG. 2, since the circumference | surroundings are covered with the
insulating film 5b, the conductor 5a is limited to the rectangular cross-sectional shape shown in
figure. The wire 5 may have any cross-sectional shape, and the electric wire 5 may be a structure
having one or more layers without being limited to the 12-layer structure. Furthermore, instead
of the wire 5 having a rectangular cross-sectional shape, a square cross-section ": 7: Teiji @ ::; m2,
2 .. -By using a winding wire having a square or rectangular cross-sectional shape as a winding
wire, manufacturing is facilitated, as well as the effect of facilitating the alignment winding of the
winding of the coil. It also has a custom effect of reducing the noise generation from the 4speaker resulting and improving the speaker output characteristics.
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