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Specification t Title of invention (1) s Moving plate, horn positioned at the front part of this
diaphragm, horn of this horn, thin film that cools (one of the mouth parts of this horn, Plate,
upper r horn and ? above the upper 19 and upper, surrounded by t '**, 1 after diaphragm v 9 ?
V. Greater weight than 9 gauge и Speaker provided with t.
2, claims
5 Detailed Description of the Invention The present invention is Ami because it is a book Nubika
Ke. Conventionally, in order to efficiently reproduce the frequency characteristic in the lowfrequency range tube 11f efficiently, it is necessary to increase the radiation radiation resistance
between * Ktp and the diaphragm, so that there is no needless penetration, so that the diameter
of the KFi bore There are books of books that dressed in dance loudspeakers to cabinet knobs
and baffles, and books of the form whose shape amplified the amplitude of the diaphragm's
diaphragm, whichever is 4 # - overall as a whole, Moreover, it is expensive. In the book of the
length of a horn with oh or horn, the length of the horn and the aperture are uniquely
determined by the cutoff 11'1 m number that sets the expansion and standing of the horn, so cut
for short sound reproduction Horn abrasion if you turn off frequency low? * # Smaller and the
length of the horn is very long, so there are restrictions on the location of the establishment, and
additionally it is expensive. The present invention has been made to eliminate 10 P defects, and it
is a book offering cheap speakers that can not reproduce 4 bass sounds with a caliber / [-]
speaker. The 11 example of the present invention will be described based on 11 m 1 below. In
the drawing, the speaker 1 is a small speaker having a small diameter, for example, in the case of
an electrodynamic speaker, a yoke 2KFi-SIL, a magnet and the like are mounted. 7 Ray 7-3
attaches to a predetermined position on the yoke 2 and bonds the 7th rank 5rFis movement 4 of
the frame EndPage: 1. When the horn 6 is fixed to the 7th rank 5 of the speaker 1, the cabinet
712) adheres til'BK and it sticks. Via the backing 9 at the opening end of the horn 6. I stuck thin
@ 1 n. Film-like KWI is formed by vapor-depositing aluminum on thin p10 single quartz thin alpine polyurethane or vinyl chloride. "A reflection 1i11 is hinged to one end 111+ of the cabinet
7 and a sip of the horn 6 is covered with an arbitrary angle of inclination so that sound waves are
exaggerated in a desired direction by the reflecting surface tlFK? and the diaphragm 4 , Horn 6
and 1ll 1110 Ki !! #I in the inner space of the cabinet 7 communicating with the ridge space and
between the overlapped front space and the studs 9 of the diaphragm 4, filled with beta 12
heavier than 9 atmosphere such as xenon gas It is. And it is tightly sealed by gas 12 cabinet 7,
backing 9.1 ll 110. Next, the operation will be described. When sound pressure is applied and the
diaphragm 4 vibrates, sound waves are transmitted by causing the diaphragm gauze surface to
flow as a medium. This sound wave is transmitted through the hoe 76, it is reflected by the
reflection plate 11 and propagates in the direction of arrow, impression.
In this case, the front side of the diaphragm 4 is filled with a gas heavier than 9 as a medium, 9 is
good in viscosity, or the viscosity of C - 1 is high. The acoustic radiation resistance becomes more
serious than in the furnace. Therefore, #JJl fishing has the same effect as playing with the large
large diameter speaker of the diaphragm 4, the voice of low frequency sound reproduction * e *
property and efficiency are improved. If Horn 6 is an equipponent horn, KFi and the sound wave
is flat NN #, so it drives the thin 111Q in phase, so it is easy to emit low-frequency sound into the
external 9 air. As I said, according to IJIWi 4, because the front of the diaphragm is filled with gas
heavier than air, the acoustic radiation resistance becomes large and a low speaker frequency of
# 1! I can radiate bass energy that is dangerous and dangerous. The thin film is always upward
needle against one force direction? If installed, thin IIIK will be subject to heavy gas seriousness
will not be sentenced to honey, so there will be no disturbance in the sound wave without
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a cross-sectional view of a main part showing
an embodiment of the present invention. 1 и и и и и и speaker 4 и и и и WItlF 6 и и и и Horn 10 иииии Thin
film 12 и и и и 9 or more heavy gas or more Exit Daiei Seiko Co., Ltd. EndPage: ?
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description, jps57164695
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