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BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a cross-sectional view of an essential part
showing one embodiment of the acoustic device of the present invention, and FIGS. 2a and 2b are
front views showing a concrete example of the mute piece of FIG. 11・・・t&12・・・スピ
ーカ、13・・・ミュートピース。 Fig. 1 Fig. 2-61-
DETAILED DESCRIPTION OF THE INVENTION The present invention relates to sound mounting,
and in particular to its sound quality # I4 device. Acoustic equipment as in Hochi! A special
speaker called a so-called 2-way or double cone is used to reproduce the low and high-pitched
parts in a faithful manner in i. By the way, the use of a special speaker according to a small
portable radio 1 for widespread use is not outweighed in cost, not only in the south Wlk device
such as a stereo sound box device. However, taking into consideration that there is a tendency
that one sexual dinosaur sound preferred by the recent 1IIII2 is required ≦ two, etc., it is
possible to adjust the sound quality of the simple g2 low bird sound part. It would be convenient
if there was a direct contact, and this would also make it possible to expect a faithful
reproduction sound even if it is an extension device @ 1 :. SUMMARY OF THE INVENTION It is an
object of the present invention to provide an acoustic device which can easily and favorably
adjust the sound quality to # II4 because it is a trap made in view of such circumstances. An
embodiment of the present invention will now be described in detail with reference to the
drawings. That is, in FIG. 1, reference numeral 11 denotes a case of, for example, a small portable
radio for personal use, and reference numeral 12 denotes a speaker attached within the integral
body 11. In the state that it hangs over, it is small together with other parts not shown! 9!
Imperial Radio, etc. is constructed and is usually used in this corridor. When you want to adjust
the playback sound from the speaker 2 according to your liking or liking C2 is a front recess
1101n for the game provided with the front frame etc. the speaker 2 is integrated ** The mute
piece l) of the so-called mute piece 181 of the so-called mute piece 1B which makes the sound i
[v14 alignment] is attached to the casing 11. Here, for example, the mute piece 1B is shown in
FIG. 2 (a). As shown in (1), etc., there are various ones for enhancing the high sound area where
the sound emitting hole 18m is concentrated only at the central portion or for enhancing the low
sound area where the sound emitting hole 188 is provided only at the peripheral portion 12 It is
conceivable that sound quality can be adjusted, and it is also possible to freely combine them
using not only one but also individual mute heats. Therefore, the above-mentioned unforeseen
plan C2 is simplified by, for example, attaching a mute piece I for treble section augmentation or
bass section augmentation to the front surface of the housing 11 to which the speaker 2 is
attached. In addition to the above, it is possible to obtain a reproduced sound in which the treble
part or the bass part is enhanced in a good quality, and by using various other mute pieces, the
sound reproduced from the speaker 2 can be adjusted to a desired sound, thus faithful
reproduction. Acquiring sound m: It is possible to provide 1 to the sound 1 that has a practical
effect such as being able to contribute at low cost.
In the mute piece for enhancing the low-pitched part or bird's-eye part described above, when
the mastication part is determined by 1-1 at the center part of the speaker, the double sound part
is determined by the imaging motion of the peripheral part of the speaker The characteristic of
the so-called speaker is based on the relation 5-2 based on the relation 5-2 and the arrangement
of the sound emission holes can be considered variously in addition to the illustration, and the
design effect can be obtained depending on the shape of the sound emission holes.
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description, jps50154726
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