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JPS55148290

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DESCRIPTION JPS55148290
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an example of a network circuit, and FIG. 2 is a
top view showing the structure of a conventional network using the circuit of FIG. FIG. 3 is a top
view showing the structure of a network according to an embodiment of the present invention,
and FIG. 4 is a cross-sectional view of the cross section along line IV-IV in FIG. FIG. 5 is a top view
showing another embodiment according to the present invention, and FIG. 6 is a cross-sectional
view taken along the line VI-VI in FIG. 1 · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · ·
Conden? , 6-8 ... ... resistance, 9 ... frame, 10 ... resin. In the drawings, the same reference
numerals indicate the same or corresponding parts.
DETAILED DESCRIPTION OF THE INVENTION The present invention relates to improving the
performance of a speaker network. In general, in a composite speaker, a network is used, but it is
well known that even if the network circuit method and the circuit constant are identical, the
performance of the circuit element itself greatly affects the blue performance of the speaker.
Further recent studies have examined the details, and even if using exactly the same (1) 1/1 to
51K circuit elements, the arrangement position of the circuit elements on the network substrate
and mounting on the substrate It has become known that the sound quality of one speaker is
affected by people etc. ˜ Fig. 1 is a book showing an example of a network circuit well known
from the prior art taking a two way speaker as an example is there. FIG. 2 is a top view of the
network. In the figure, (1) is a substrate, (2) a coil, a + 81u capacitor, a +4 'ti coil, a valence) is a
capacitor, and a high cut filter is formed of a (1z coil of 61 to +81 is a resistor and 1) capacitor.
Form a low cut filter with the coil of (4) and the capacitor of (5) and do 1 ha. + 61 to (()) are
resistors for level control of high range. In such a network, other elements receive magnetic
induction due to the influence of magnetic flux generated by the current flowing through the
elements, and distortion has an adverse effect on the sound quality. The mutual interference
between the special 1 ctg coil and the (a coil is significantly affected by the emergency pressure.
In addition, the element itself vibrates due to the flow of current to the element, which causes
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deterioration of the sound quality. The present invention has been made to solve the abovementioned drawbacks of the prior art, in which a network element is housed in a frame, and a
resin mixed with metal powder such as iron powder is loaded thereon, The purpose is to provide
a network with excellent sound quality by reducing the interference of the sensor and
suppressing the vibration of the element. FIG. 3 is a top view showing an embodiment of the
present invention, and FIG. 4 is a cross-sectional view of the cross section along the line of FIG. In
the figure, +11 is a substrate, 1 is a coil, ■ is a capacitor, (a is a coil, (rotation) is a capacitor, (6),
(7), and a turtle is a resistance. A frame (9) is provided around the substrate U). And frame (2) is
filled with resin Han mixed with IIC metal powder. In the present invention configured as
described above, the effect of the gold plating can apparently reduce the magnetic flux generated
from the element, so that the interference with other elements can be softened.
In addition, since the element is covered with the resin (3) having an increased apparent specific
gravity, the element does not vibrate. As a result, it is possible to provide a network with much
better sound quality than the conventional one. Further, according to the present invention, the
effect of the resin mixed with gold glaze is more effective in dissipating the heat generated by the
element compared to the conventional one. Because the width is improved, the value of the
present invention is large also in terms of penetrability improvement and safety. For heat
generation of the element, for example, in the case of resistance, due to economics and size
restrictions, the allowable input 100 W The resistance of about 5 W is also used for the speaker,
and even in the normal use state, the surface has reached a level of several hundred k. In
addition, there is a danger that a large current may flow to the element when the speaker unit is
broken or used incorrectly, and in such a case, the resistor or coil may generate heat over 200
degrees, or the capacitor may be destroyed, resulting in a fire hazard. . Another advantage of the
present invention is that the present invention can prevent this type of accident. Another
advantage of the present invention is that the element is filled with resin, and the element is used
as a substrate as in the prior art (4). There is no need to fix it with a metal or a mounting bracket,
and there is no problem of dropping off from one child or the substrate due to the impact of a
drop or vibration, which has been a problem in the past. it can. In the above embodiment, the
entire network may be made of resin, or as shown in FIGS. 5M and 6B, the frame 9 may be
partially provided and filled with resin. In the above explanation, the case where the metal shame
was mixed with the powder was described, but even when mixing the metal powder, the effect of
preventing interference between elements C and the effect become thin and the heat radiation
effect is a little worse Similar effects can be obtained except for. As described above, the sound
quality is excellent, the input resistance is improved, and the sickness-performance network of
the reliability column can be obtained by a very simple method according to the present
proposal.
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