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DESCRIPTION JP2011119918

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DESCRIPTION JP2011119918
An electronic device is provided that includes a speaker unit capable of variably setting the
volume of a speaker cabinet and that can be configured to be smaller as a whole. A speaker unit
(7) forms a speaker cabinet (20) and is connected to be slidable relative to each other to form a
plurality of base end side divided bodies (9) as a plurality of divided bodies capable of changing
the internal volume of the speaker cabinet (20). A distal end side divided body 10, and a housed
state in which the distal end side divided body 10 to which the speaker main body is attached is
housed in the housing 2a of the first main body portion 2, and a projecting state which protrudes
out of the housing 2a Can take [Selected figure] Figure 3
Electronics
[0001]
The present invention relates to an electronic device.
[0002]
Conventionally, as electronic devices such as so-called notebook personal computers, those
equipped with a speaker having a cabinet that expands and contracts in a bellows type are
known (for example, Patent Document 1).
[0003]
JP 2003-323230 A
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1
[0004]
However, in Patent Document 1 described above, the speaker is externally attached to the
housing of the electronic device, and in addition, the speaker is widely expanded in the unfolded
state, so there is a problem that the electronic device as a whole becomes bulky.
[0005]
Accordingly, the present invention has an object to obtain an electronic device that includes a
speaker unit capable of variably setting the volume of the speaker cabinet and that can be
configured to be smaller as a whole.
[0006]
In the electronic device according to the present invention, the main body portion having the
housing and the electronic component, the speaker main body, the speaker main body is
attached, and the housed state housed in the housing and the projection protruding outside the
housing And a speaker unit having a speaker cabinet capable of changing its internal volume.
[0007]
According to the present invention, since the speaker unit capable of variably setting the internal
volume of the speaker cabinet can be accommodated in the casing of the main body of the
electronic device, the electronic device can be configured to be smaller as a whole.
[0008]
FIG. 1 is a perspective view of an electronic device according to a first embodiment of the present
invention.
FIG. 2 is a side view of the electronic device, showing the folded state of the main body and the
accommodated state of the tip end divided body of the speaker unit.
FIG. 3 is a side view of the electronic device, showing the unfolded state of the main body and the
protruded state of the distal end side divided body of the speaker unit.
FIG. 4 is a perspective view of the speaker unit.
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2
FIG. 5 is a longitudinal cross-sectional view of the speaker unit, showing an accommodation state.
FIG. 6 is a longitudinal cross-sectional view of the speaker unit, showing a projecting state.
FIG. 7 is a perspective view showing a speaker unit, a hinge mechanism, and an interlocking
mechanism of the electronic device according to the second embodiment of the present
invention, in which the folded state of the main body and the accommodated state of the distal
end side divided body of the speaker unit FIG.
FIG. 8 is a perspective view showing a speaker unit, a hinge mechanism, and an interlocking
mechanism of the electronic device according to the second embodiment of the present
invention, in which the expanded state of the main body and the protruded state of the tip side
split body of the speaker unit FIG. FIG. 9 is a longitudinal cross-sectional view of the speaker unit
of the electronic device according to the third embodiment of the present invention, showing the
accommodation state of the front end side divided body of the speaker unit. FIG. 10 is a
longitudinal cross-sectional view of the speaker unit of the electronic device according to the
third embodiment of the present invention, showing a projecting state of the tip end side divided
body of the speaker unit. FIG. 11 is a longitudinal cross-sectional view of the electronic device
according to the fourth embodiment of the present invention, showing a state in which the front
end side divided body of the speaker unit is accommodated. FIG. 12 is a longitudinal crosssectional view of the electronic device according to the fifth embodiment of the present
invention, showing the accommodation state of the front end side divided body of the speaker
unit. FIG. 13 is a side view of the electronic device according to the sixth embodiment of the
present invention, showing the unfolded state of the main body and the protruded state of the
distal end side split body of the speaker unit.
[0009]
Hereinafter, embodiments of the present invention will be described in detail with reference to
the drawings. In addition, the same component is contained in several following embodiments.
Therefore, in the following, those similar components are given the same reference numerals,
and redundant explanations are omitted.
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[0010]
First Embodiment First, an electronic device according to a first embodiment of the present
invention will be described with reference to FIGS.
[0011]
As shown in FIG. 1, the electronic device 1 according to the present embodiment is configured as
a so-called notebook personal computer, and has a rectangular flat first main body 2 and a
rectangular flat second And a main body portion 3.
The first main body 2 and the second main body 3 can be relatively rotated at least between the
folded state (FIG. 2) and the unfolded state (FIG. 3) around the pivot axis Ax by the hinge
mechanism 4 It is connected to the.
[0012]
A circuit board on which a central processing unit (CPU), a read only memory (ROM), a random
access memory (RAM), other electronic components, etc. are mounted inside the housing 2a of
the first main body 2 (any (Not shown), a hard disk, a cooling fan and the like are accommodated.
In addition, on the surface 2 b of the first main body 2, a keyboard 5 as an input operation unit is
disposed. On the other hand, an LCD (Liquid Crystal Display) 6 as a display unit is disposed on
the surface 3 b of the second main unit 3. In the folded state, as shown in FIG. 2, the surface 2 b
of the housing 2 a of the first main body 2 and the surface 3 b of the housing 3 a of the second
main body 3 face each other, The displays 6 face each other. On the other hand, in the unfolded
state, as shown in FIG. 3, both the surfaces 2b and 3b and the keyboard 5 and the display 6 are
exposed. In this expanded state, the user can use it. The keyboard 5 and the display 6 also
correspond to electronic components.
[0013]
As shown in FIG. 1, a speaker unit 7 is attached to the first main body 2. The speaker unit 7 is
provided at two places of the corner near the second main body 3 of the first main body 2. An
opening 2 f opened on the surface 2 b side is formed in the housing 2 a, and the speaker unit 7 is
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accommodated inside the housing 2 a from the opening 2 f.
[0014]
As shown in FIGS. 2 and 3, the speaker unit 7 has a proximal end divided body 9 fixed to the first
main body 2 and a distal end side mounted so as to be relatively slidable with respect to the
proximal end divided body 9. And a divided body 10. The tip end side divided body 10 is
accommodated in the housing 2a in the folded state of FIG. 2 (accommodating state), and outside
the housing 2a (above the surface 2b in this embodiment) in the expanded state of FIG. It can be
projected (projected state). The projection and recess of the distal end side divided body 10 can
be performed manually by a user with a finger or the like. Further, when changing from the
unfolded state of FIG. 3 to the folded state of FIG. 2, the distal end side divided body 10 can be
pushed into the housing 2 a of the first main body portion 2 by the second main body portion 3.
[0015]
In the present embodiment, as shown in FIGS. 4 to 6, in the present embodiment, the base end
side divided body 9 having a substantially bottomed rectangular cylindrical shape opened toward
the upper side (the tip end side) And an end-side divided body 10 having a substantially
bottomed rectangular cylindrical shape opened toward the end side). In the accommodation state
of FIG. 5, the peripheral wall 10 b of the distal end side divided body 10 surrounds the outside of
the peripheral wall 9 b of the proximal end side divided body 9. The peripheral walls 9b and 10b
serve as a guide for relative movement between the accommodation state and the projection
state of the proximal end divided body 9 and the distal end side divided body 10. In the
protruding state of FIG. 6, the opening edge of the peripheral wall 9 b of the proximal segment 9
surrounds the opening edge of the circumferential wall 10 b of the distal segment 10. The
bottom wall 9 a of the proximal end divided body 9 is fixed to the housing 2 a of the first main
body 2. On the bottom wall 10a of the distal end side split body 10, a speaker main body 8 for
outputting sound toward the distal end side outward is attached.
[0016]
The proximal end divided body 9 and the distal end divided body 10 can be formed of, for
example, a synthetic resin or a metal material. The relative position of the proximal end side split
body 9 and the distal end side split body 10 can be maintained, for example, by the frictional
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force generated along with the elastic deformation of at least one of the peripheral walls 9b and
10b. Therefore, in addition to the accommodation state shown in FIG. 5 and the projecting state
shown in FIG. 6, an intermediate state (semi-projecting state) between these can also be made. In
addition, an uneven shape (not shown) is provided on mutually facing portions of the peripheral
walls 9b and 10b (that is, the outer peripheral surface and the inner peripheral surface opposed
to each other), and the relative position is maintained by the engagement of the uneven shapes.
In addition, it is possible to provide a concavo-convex shape (not shown) that suppresses the
separation of the distal end side split body 10 from the proximal end side split body 9.
[0017]
As apparent from FIGS. 5 and 6, in the present embodiment, the base end side split body 9 and
the tip side split body 10 form the speaker cabinet 20, and thereby, the bottom of the speaker
unit 7 is obtained. An acoustic chamber S surrounded by the walls 9a and 10a and the peripheral
walls 9b and 10b is formed. Then, by variably setting the relative position between the proximal
end divided body 9 and the distal end side divided body 10, the volume of the acoustic chamber
S (inner volume of the speaker cabinet 20) can be variably set, and the sound quality can be
improved. . That is, in the protruding state of FIG. 6, the sound room S is expanded as compared
with the accommodation state of FIG. 5, and the sound quality (for example, the sound quality of
the bass range etc.) can be improved. Further, by adjusting the amount of protrusion of the distal
end side divided body 10 with respect to the proximal end side divided body 9, it is also possible
to variably set the volume of the acoustic chamber S and obtain desired sound quality. The
speaker cabinet 20 may be formed in an appropriate position without being sealed.
[0018]
Further, as is apparent from FIGS. 3, 5, 6 and the like, in the present embodiment, the distal end
side divided body 10 curves with respect to the proximal end side divided body 9 as it protrudes
in the direction away from the display 6. Slide relative to (bent path). With such a configuration,
the sound emission direction of the speaker body 8 can be brought close to the user's ear to
increase the sensational volume.
[0019]
As described above, in the present embodiment, the speaker unit 7 includes the speaker main
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body 8 and the housed state in which the speaker main body 8 is attached and housed in the
housing 2 a and the protruding state protruding outside the housing 2 a And a speaker cabinet
20 capable of changing its internal volume. In addition, the speaker cabinet 20 is connected to be
relatively slidable relative to each other, and the proximal end divided body 9 and the distal end
side division as a plurality of divided bodies capable of changing the internal volume (volume of
the acoustic chamber S) of the speaker cabinet 20 A housing 10 having a body 10, and a distal
end side division body 10 to which the speaker main body 8 is attached is housed in a housing
2a of the first main body portion 2 and a projecting state where it protrudes out of the housing
2a It is possible. Therefore, since the speaker unit 7 capable of variably setting the volume of the
sound chamber S to improve the sound quality can be accommodated in the housing 2 a of the
first main body 2 of the electronic device 1, the electronic device 1 can be made smaller as a
whole. In the accommodation state accommodated in the housing 2a, the speaker unit 7 does not
have to completely enter the inside of the housing 2a, and a part of the speaker unit 7 is outside
the housing 2a as in the present embodiment. The exposed state is also included in the
accommodated state.
[0020]
In addition, the electronic device 1 according to the present embodiment includes the first main
body 2 having the keyboard 5 as an input operation part, and the second main body 3 having the
display 6, and the first main body 2 And the second main body portion 3 are connected so as to
be relatively rotatable between at least the folded state of FIG. 2 and the unfolded state of FIG. 3
via the hinge mechanism 4, and the distal end side divided body 10 is In the folded state, it is in
the accommodated state, and in the expanded state, it is in the protruded state. Therefore, in the
unfolded state as the use state of the user, the tip end side divided body 10 is in the protruding
state to improve the sound quality, and in the folded state as the unused state of the user, the tip
end side divided body 10 is accommodated as the accommodated state. Can be suppressed from
becoming bulky.
[0021]
Further, in the present embodiment, in the projecting state, the front end side divided body 10 is
outward from the surface 2 b as a surface facing the housing 3 a of the second main body 3 of
the housing 2 a of the first main body 2. Project to Therefore, when the second main body 3 is
moved relative to the first main body 2 from the unfolded state to the folded state, the second
main body 3 is opposed to the surface 2 b of the housing 2 a of the first main body 2 in the
folded state The front end side divided body 10 in the projecting state can be pushed down by
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the surface of the housing 3 a of the second main body portion 3 to be in the accommodation
state.
[0022]
Further, in the present embodiment, the distal end side divided body 10 slides relative to the
proximal end side divided body 9 in a curved path. Therefore, the posture (angle) of the speaker
main body 8 attached to the front end side divided body 10 with respect to the housing 2 a can
be changed between the housed state and the protruding state, and the speaker main body 8 is
more preferable in the protruding state Angle) is easy to set.
[0023]
Second Embodiment Next, an electronic device according to a second embodiment of the present
invention will be described with reference to FIGS.
[0024]
In the present embodiment, interlocking is performed to move the distal end side divided body
10 relative to the proximal end side divided body 9 according to relative rotation of the first main
body portion 2 and the second main body portion 3 about the rotation axis Ax. A mechanism 11
is provided.
Specifically, the shaft 4b rotatable about the rotation axis Ax connected to the second main body
3 via the arm 4a of the hinge mechanism 4 and a part of the peripheral wall 10b of the tip end
side divided body 10 The plate 11a as a moving member is fixed in a parallel state. A pin 11b as
a slider is provided on the plate 11a so as to protrude toward the peripheral wall 10b, and a
recessed groove 11c as a guide rail of the pin 11b is formed on the peripheral wall 10b. The
shaft 4 b is rotatably supported by the housing 2 a of the first main body 2. According to such a
configuration, by appropriately setting the path of the recessed groove 11c, the pin 11b moves
relative to the inside of the recessed groove 11c as the shaft 4b and the plate 11a rotate around
the rotation axis Ax, Along with this relative movement, the pin 11b can push the edge of the
recessed groove 11c, that is, a part of the peripheral wall 10b. In the example of FIGS. 7 and 8,
when the first main body 2 and the second main body 3 are in the folded state, as shown in FIG.
7, the plate 11a is pivoted in the counterclockwise direction and inclined. It is in. At this time,
according to the positional relationship between the pin 11b and the recessed groove 11c, the
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distal end side divided body 10 is positioned on the proximal end side (the lower side in FIG. 7)
with respect to the proximal end side divided body 9 and is accommodated. . On the other hand,
when the first main body portion 2 and the second main body portion 3 are in the unfolded state,
as shown in FIG. 8, the plate 11 a is in the clockwise position and stands up. At this time, the
distal end side divided body 10 is positioned on the distal end side (upper side in FIG. 8) with
respect to the proximal end side divided body 9 according to the positional relationship between
the pin 11b and the recessed groove 11c, and is in a projecting state.
[0025]
The electronic device according to the first embodiment is the same as the electronic device
according to the first embodiment except that the interlock mechanism 11 described above is
provided. Therefore, the same effect as that of the first embodiment can be obtained also
according to the present embodiment. Furthermore, in the present embodiment, the plate 11a as
a moving member attached to the second main body 3 according to relative rotation of the first
main body 2 and the second main body 3 about the rotation axis Ax. An interlocking mechanism
11 is provided for causing the distal end side divided body 10 to slide relative to the proximal
end divided body 9 attached to the first main body portion 2 by relative movement with respect
to the first main body portion 2. Therefore, the user changes the distal end side divided body 10
of the speaker unit 7 from the accommodation state to the projection state only by relatively
rotating the first main body 2 and the second main body 3 from the folded state to the expanded
state. be able to. In addition, only by relatively rotating the first main body portion 2 and the
second main body portion 3 from the unfolded state to the folded state, the tip end side divided
body 10 of the speaker unit 7 can be changed from the protruding state to the accommodated
state . That is, the time and effort for the user to operate the speaker unit 7 can be saved.
[0026]
Third Embodiment Next, an electronic device according to a third embodiment of the present
invention will be described with reference to FIGS.
[0027]
In this embodiment, as a biasing mechanism that biases the distal end side divided body 10
relative to the proximal end divided body 9 attached to the first main body portion 2 in the
direction of relative sliding from the accommodated state to the projecting state. The coil spring
12 is provided.
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Specifically, the coil spring 12 is attached in a state of being sandwiched between the bottom
wall 9a of the proximal end divided body 9 and the speaker main body 8 of the distal end side
divided body 10, and functions as a compression spring. The coil spring 12 urges the proximal
end divided body 9 and the distal end divided body 10 in a direction in which they extend
mutually. Therefore, in a state where the base end side divided body 9 of the speaker unit 7 is
attached to the first main body portion 2, the coil spring 12 accommodates the distal end side
divided body 10 with respect to the base end side divided body 9. Urge in the direction of
relative slide from the In addition, on the bottom wall 9 a of the proximal end side divided body
9, a protrusion 9 c is provided which suppresses a shift in a direction along the bottom wall 9 a
of the coil spring 12.
[0028]
With such a configuration, in the present embodiment, in the folded state, the tip end side
divided body 9 is pushed by the surface 3 b of the housing 3 a of the second main body portion 3
to be in the accommodated state of FIG. The coil spring 12 as a biasing mechanism is in a
projecting state. Therefore, the user changes the distal end side divided body 10 of the speaker
unit 7 from the accommodation state to the projection state only by relatively rotating the first
main body 2 and the second main body 3 from the folded state to the expanded state. be able to.
In addition, only by relatively rotating the first main body portion 2 and the second main body
portion 3 from the unfolded state to the folded state, the tip end side divided body 10 of the
speaker unit 7 can be changed from the protruding state to the accommodated state . That is,
according to the present embodiment as well, the same effect as that of the first embodiment can
be obtained, and it is possible to save the trouble of the user operating the speaker unit 7.
[0029]
Fourth Embodiment Next, an electronic device according to a fourth embodiment of the present
invention will be described with reference to FIG.
[0030]
In the electronic device 1A according to the present embodiment, the base end side divided body
9A of the speaker cabinet 20A forming the speaker unit 7A is formed as a part of the housing 2a.
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Specifically, for example, a part of the bottom wall 2d close to the side wall 2c of the housing 2a
of the first main body 2 is the bottom wall 9a of the base end divided body 9A, and the bottom
wall 2d The peripheral wall 9b of the proximal end divided body 9A is erected. The distal end
side split body 10A is disposed on the distal end side of the proximal end side split body 9A, and
the proximal end side split body 9A and the distal end side split body 10A are connected so as to
be relatively slidable. Then, the tip end side divided body 10A can take the accommodation state
accommodated in the housing 2a and the projection state projecting outward (above the surface
2b) of the housing 2a through the opening 2f.
[0031]
Therefore, according to the present embodiment, the same effects as those of the first
embodiment can be obtained, and the number of parts can be reduced because the proximal end
divided body 9A is formed as a part of the housing 2a. Therefore, the labor and cost of
manufacturing can be reduced.
[0032]
Fifth Embodiment Next, an electronic device according to a fifth embodiment of the present
invention will be described with reference to FIG.
[0033]
In the electronic device 1B according to the present embodiment, the base end side divided body
9B of the speaker cabinet 20B forming the speaker unit 7B is attached to the substrate 13
accommodated in the housing 2a.
The distal end side divided body 10B is disposed on the distal end side of the proximal end side
divided body 9B, and the proximal end side divided body 9B and the distal end side divided body
10B are connected in a relatively slidable manner.
Then, the tip end side divided body 10B can take the accommodation state accommodated in the
housing 2a and the projecting state protruding outward (above the surface 2b) of the housing 2a
via the opening 2f.
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[0034]
That is, it is not essential to directly attach the base end side divided body to the housing 2a, and
can be attached to a component (for example, the substrate 13 or the like) in the housing 2a.
Also with such a configuration, the same effect as the configuration in which the proximal end
divided body is attached to the housing 2a can be obtained. In addition, since the harness (not
shown) connected to the speaker main body 8 can be shortened by the amount attached to the
substrate 13, there is an advantage that the harness and the circuit on the substrate 13 can be
easily electrically connected.
[0035]
Sixth Embodiment Next, an electronic device according to a sixth embodiment of the present
invention will be described with reference to FIG.
[0036]
In the electronic device 1C according to the present embodiment, the mounting positions of the
speaker units 7C and 7D are different from those of the above-described embodiments.
That is, the base end side divided body 9C of the speaker cabinet 20C is provided on the side
closer to the first main body 2 of the second main body 3. Further, the proximal end divided body
9C can be attached to two places of the corner of the second main body 3 (the corner near the
first body 2 and the far corner). The front end side divided body 10C of the speaker cabinet 20C
can protrude outward from the surface 3b of the housing 3a of the second main body 3
substantially perpendicular to the surface 3b.
[0037]
Further, the base end side divided body 9D of the speaker cabinet 20D is accommodated in the
case 2a of the first main body 2 at the end opposite to the rotation axis Ax with respect to the
keyboard 5. Then, the front end side divided body 10D of the speaker cabinet 20D is a side
surface that is not the surface 2b and the bottom surface of the housing 2a (in the present
embodiment, the side surface opposite to the rotation axis Ax with respect to the keyboard 5
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From the side surface 2e which is the front side when viewed from the side, it protrudes outward
in the use state toward the user on the front side and in the direction (the left and right direction
in FIG. 13) along the surface 2b. That is, the speaker unit 7D is configured to be drawn out. In
addition, the speaker body 8D is exposed to the surface 2b side (upward with the electronic
device 1C installed on a desk or the like) in a projecting state, and outputs sound toward the
upper side crossing the surface 2b.
[0038]
As in the above-described embodiment, the speaker unit 7C can be attached to the second main
body 3 as well. Further, as in the present embodiment, by attaching the speaker units 7C and 7D
to both the first main body 2 and the second main body 3, the number of speaker units 7C and
7D attached to the electronic device 1C is increased. It will be easier.
[0039]
Then, as in the present embodiment, the tip end side divided body 10D can be configured to
project outward from the side surface 2e of the housing 2a of the first main body portion 2 in a
drawn manner. Furthermore, the speaker main body 8D can be attached to the surface (upper
surface) of the tip end side divided body 10D that is housed in the housing 2a in the housed state
and exposed to the outside of the housing 2a in the projected state. This makes it easier to set the
output direction of the sound by the speaker body 8D more appropriately.
[0040]
As mentioned above, although preferred embodiment of this invention was described, this
invention is not limited to the said embodiment, A various deformation | transformation is
possible. For example, the speaker units can be provided in places other than the installation
locations shown in the above-described embodiments, or a plurality of the above-described
embodiments can be provided in combination. Further, the configuration of the plurality of
relatively slidable divided bodies is not limited to the above embodiment. Further, the speaker
cabinet may be formed by three or more divided bodies. Further, the path of relative slide of the
plurality of divided bodies can be a bent path (bent path). Further, in the speaker unit having the
urging mechanism, the distal end side divided body is provided by providing a heart cam
mechanism between the proximal end side divided body, the housing, or the substrate and the
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distal end side divided body. It can be configured to perform a so-called alternation operation in
which when it is pushed inward, it is housed and locked in the housing, and when it is pushed in
again, the lock is released and protrudes.
[0041]
As described above, the present invention is useful as an electronic device provided with a
speaker unit.
[0042]
1, 1A to 1C: electronic device, 2: first body portion, 2a: housing, 2b: surface (opposite surface),
2e: side surface, 3. second body portion, 3a: housing, 3b: surface (Opposite surface), 4 ... hinge
mechanism, 5 ... keyboard (input operation unit), 6 ... display, 7, 7A to 7D ... speaker unit, 8, 8D ...
speaker body, 9, 9A to 9D ... base end divided body 10, 10A to 10D: tip side divided body, 11:
interlocking mechanism, 12: coil spring (biasing mechanism), 13: board, 20, 20A to 20D: speaker
cabinet, Ax: rotation axis.
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