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JPS4924423

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DESCRIPTION JPS4924423
President of the Patent Office ?), (801) Bio-j-7 Ltd., 'Considesman, President and Representative
Director, Ms. Ishiba I, 1)' o Name Speaker Device '3, Detailed Description of the Invention The
present invention is mainly Large-sized driven by large input. For example, it relates to a speaker
device for theaters. In a large speaker device such as a theatrical device driven with a large input,
it is not easy to generate heat due to the current flowing through one voice coil, and the mass
coil and the magnetic close to it are used. Circuit, or corn paper 0 temperature II-▒ rising is
remarkable "while, now cold place"? It can not grow for years, it is extremely cooled, and there is
a hot spring. The temperature change of the die 1 'scoops' leads to the deterioration of the
characteristics due to its [fi low resistance change etc], and also the temperature of cone paper
and magnetic circuit': =-two: two near Q :: nil ,. ?? ????? Thus it prevents extreme
temperatures of magnetism @i, and prevents manual distortion, and promotes 0 heat 0
movement from the voice coil to the magnetic circuit if the heat generation of the voice coil
causes a true problem. ?I 42 * 4 k (D temperature rise; :: Tsu process ::, '5' & ''-'' '') Two
embodiments of the present invention will be described with reference to the drawings. The
symbol l in FIG. 1 indicates the main body of the speaker device: ??????????? ???
???? Has a magnetic circuit consisting of the ball ? and the upper side great! Between the
formation coffin. In the annular gap which is formed, the outer 1's voice,... The cylindrical frame
supporting the blade is a coaxial '-VC part-coaxial part. ?????? In addition, the tip of the
winding frame 2 is 1. A dome-shaped 1 ░ cap t and a cone-shaped diaphragm 9 are fixed, 1st
shot, opening r of the movement i9: increase of i ', through the edge 7. Potassium / / and / 4 d,
tlk, l ', j' for the elastic support of frame 9 to frame 10 '),' IEndPage: 1 ball 2 Is a cylindrical 6
having a central hole penetrating in the axial direction, in which a heat exchange member 13
having a flow passage / Ja is inserted. This flow path / J, a is composed of a cylinder, part 1 part
coaxial with the pole core and a flat part perpendicular to the axis at one end of this cylinder ?,
and one end thereof is supplied Seven pieces of pies, 1 a 7, 5 i ? '. ??? ???? An annular
heat exchange member 16 having an interior 1 cfit W @ / 4a is disposed inward of the annular
magnet cage B that extends over the ball 2. It is in communication with the branch pipe / la that
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branches and / and the branch pipe 15a that branches from the Is output pipe / S, and it is ?.
The heat exchange water supply of the heat exchanger 17 disposed on one side is connected, and
one end of the discharge pipe 1S is connected to the heat exchange water introduction side of the
heat exchanger 17 respectively. , 2 heat exchangers 171I'i, 211 have a large number of pipes
connecting the inlet side and the supply side, and fins attached to this pipe, and water for heat
exchange flows from the introduction side to the ? supply side in this pipe In the meanwhile,
while it is flowing, it is cooled or heated by heat exchange with the atmosphere. For example, the
water for heat conversion ? cooled while passing through the heat exchanger 771 passes
through the inside of the supply pipe / 4C to fall in the flow path L'Ja of the heat exchange
member 13 to increase its specific gravity. At the same time, it also flows into the flow path / A'a
of the heat exchange member 16 through the branch pipe ? at-. Thus, the magnetic circuit is
cooled from the portion in contact with the heat exchange member 13; Voice Koonil 6 is also
cold and cold. Cooling water heated to the bottom of the flow passages i3a and / 6,1 has a
tendency to rise due to the decrease in its weight, and the flow passage / J'a passes through the
discharge pipe 15 and the branch pipe / ja And / 6a, and after having been discharged, reach the
introduction side of the heat ? exchanger 17. Such blackening, circulation of replacement water
effectively cools or heats the magnetic circuit of 1 body l and voice coonil 6 ? When
continuously driven with large input or in cold cold land In the following cases, the desired echo
characteristics can be exhibited. ? In addition, it is desirable to arrange the heat exchanger 17 in
the duct when the speaker device is housed in a bass reflex type enclosure and cooling is
required. As a result, the heat exchanger 17 becomes an appropriate acoustic resistance,
antibody, and effectively cooled in contact with the air flow flowing in the duct. Furthermore, a
good cooling effect can be obtained.
4 is a partially cutaway side view of the brief description of the drawings. Ha ........ Main body 9
.....-Peristaltic plate 2 ..... Ball. 3 иии Upper grate ll ░░ и и и fy d и 1 и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и
и и и и '' 12!
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pipes 17 -: ... heat exchanger 16 ...... cooling unit goods / Is - the patent application, Pioneer
Corporation Attorney Attorney underneath s Sawa s Hiroaki four same Kobashi ShinAtsushi 8)
EndPage: 26 Agents other than the above 1st floor, No. 9-12, Nishi-Shinjuku, Tokyo, Tokyo,
Japan 4 0F Taisho Building, patent attorney Shinichiro Ohashi (6, 754) i story Tokyo (JII 2)
1111-9th EndPage: ?
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