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JP2010263351

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This translation is machine-generated. It cannot be guaranteed that it is intelligible, accurate,
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DESCRIPTION JP2010263351
The present invention provides a speaker system which can freely change the layout of the
installation space of the speaker by eliminating the troublesomeness of the work of supplying
power to the speaker. A speaker system (1) is provided with an outlet rail (2) extending along a
predetermined direction, and has a mounting portion (4) removably attached to the outlet rail (2)
and a main portion (6) incorporating a speaker member. A speaker 3 is provided, and the speaker
3 is disposed at an arbitrary position in the longitudinal direction of the outlet rail 2 via the
attachment portion 4, and the speaker 3 is electrically connected to the outlet rail 2 via the
attachment portion 4 Power is supplied to the speaker 3 through the outlet rail 2. [Selected
figure] Figure 1
スピーカシステム
[0001]
The present invention relates to a speaker system.
[0002]
The conventional speaker system comprises a rail mounted along a corner of a wall surface and a
ceiling surface of a room, a mounting portion movably mounted to the rail, and a speaker
mounted on the mounting portion The layout of the installation space of the speaker can be
freely changed (see, for example, Patent Document 1).
[0003]
JP-A-9-19348 (page 4, FIG. 9)
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1
[0004]
In the speaker system described in Patent Document 1, after the mounting portion is moved to
arrange the speaker at an arbitrary position, the work of supplying power to the speaker by
connecting a wire provided for the speaker to a power supply is performed. There is a problem
that this work is bothersome because it has to be done.
[0005]
The present invention has been made in view of such problems, and it is an object of the present
invention to provide a speaker system capable of freely changing the layout of the installation
space of the speaker without the troublesomeness of the task of supplying power to the speaker.
To aim.
[0006]
In order to solve the above problems, the speaker system of the present invention is provided
with a socket rail extending along a predetermined direction, and a main body including a
mounting portion detachably mounted on the socket rail and a speaker member. And the speaker
is disposed at any position in the longitudinal direction of the outlet rail through the mounting
portion, and the speaker is electrically connected to the outlet rail through the mounting portion.
, And the power is supplied to the speaker via the outlet rail.
According to this feature, the speaker can be attached at any position in the longitudinal
direction of the outlet rail, and the layout of the installation space of the speaker can be freely
changed, and the speaker is electrically connected to the outlet rail via the mounting portion.
Since power is supplied, it is not necessary to wire a power cable etc. separately to the speaker to
supply power to the speaker member built into the main body, and power is supplied to the
installation work of the speaker and the speaker Wiring work can be done at the same time.
[0007]
In the speaker system of the present invention, the mounting portion includes a rail support
attached to the outlet rail, and a pivot shaft portion pivoted relative to the rail support, the rail
support Is characterized in that at least a part thereof is inserted into the outlet rail and attached
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by being rotated by a predetermined angle.
According to this feature, when installing the speaker, the direction of the speaker member can
be set in a predetermined direction, and the rail support can be attached to the outlet rail by
rotating the rail support by a predetermined angle while maintaining this state. As a result, the
operation of determining the direction of the speaker member and the operation of installing the
speaker can be performed simultaneously.
[0008]
In the speaker system of the present invention, the speaker is electrically connected only to the
outlet rail, and sound information transmitting means for transmitting sound information to the
speaker while maintaining this state is provided. It is characterized by
According to this feature, since the sound information is transmitted to the speaker by the sound
information transmission unit while maintaining the state in which the speaker is electrically
connected only to the outlet rail, an acoustic cable or the like is separately wired to the speaker
There is no need.
[0009]
The speaker system of the present invention is characterized in that the sound information
transmission means is a power line carrier communication means for transmitting sound
information through a power line in the outlet rail.
According to this feature, the sound information transfer means can be easily configured by
using the power line in the socket rail for supplying power to the speaker, and it becomes
unnecessary to separately wire an acoustic cable or the like to the speaker.
[0010]
The speaker system of the present invention is characterized in that the sound information
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transfer means is a wireless communication means for transferring sound information via an
electromagnetic wave.
According to this feature, the sound information transfer means can be easily configured by
utilizing the electromagnetic wave, and it is not necessary to separately wire an acoustic cable or
the like to the speaker.
[0011]
FIG. 1 is a perspective view showing a speaker system in a first embodiment. (A) is a top view of
an attaching part, (b) is AA sectional drawing of (a). It is an explanatory view showing a system
configuration of a speaker system. FIG. 7 is an explanatory view showing a system configuration
of a speaker system in a second embodiment. FIG. 13 is an explanatory view showing a system
configuration of a speaker system in a third embodiment.
[0012]
The form for implementing the speaker system concerning the present invention is explained
below based on an example.
[0013]
The speaker system according to the first embodiment will be described with reference to FIGS. 1
to 3.
Hereinafter, the vertical direction of the paper surface of FIG. 3 will be described as the vertical
direction side of the speaker, and the horizontal direction of FIG. 3 will be described as the frontrear direction side of the speaker. First, reference numeral 1 in FIG. 1 is a speaker system to
which the present invention is applied. The speaker system 1 is disposed, for example, in a
commercial facility such as a store, and is used for rendering by BGM and the like. The speaker
system 1 mainly includes an outlet rail 2 disposed along a predetermined direction, and a
speaker 3 attached to the outlet rail 2.
[0014]
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The outlet rail 2 is attached to a mounting body 5 fixed below the ceiling S, and has an opening
2c that opens downward, as shown in FIG. 2 (b). Further, on the lower surface of the upper
portion of the outlet rail 2, conductive portions 2a, 2a as power lines for transmitting electric
power and sound information are provided at two positions along the longitudinal direction of
the outlet rail 2 on the left and right At the lower end portions of the left and right ends,
extension portions 2b, 2b extending inward are formed.
[0015]
As shown in FIG. 1, the speaker 3 is a conductive portion of the outlet rail 2 by the attachment
portion 4 detachably attached along the predetermined direction in the outlet rail 2 and the
attachment portion 4 attached to the outlet rail 2. And 2a (see FIG. 2 (a)), and has a main body 6
capable of generating a sound.
[0016]
The mounting portion 4 includes a rail support 7 supported by the outlet rail 2 and a rotation
shaft 8 capable of rotating at a predetermined angle in a horizontal direction (refer to the white
arrow direction in the drawing) with respect to the rail support 7. Become.
[0017]
As shown in FIG. 2 (b), the rail support 7 has a hollow structure inside.
The upper end of the rail support 7 has an opening 7a communicating with the inside and the
upper outside, and engaging portions 7b and 7b extending from the lower position of the upper
end face of the rail support 7 to the left and right in the drawing. ,have.
[0018]
A terminal 9 is attached to the opening 7a, and contact portions 9a and 9a are formed at the
upper end of the terminal 9 so as to extend in the horizontal direction in the drawing.
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Moreover, the electric wire 10 is electrically connected to the lower end part of the terminal 9.
[0019]
As shown in FIG. 1, the main body 6 has a housing 11 for emitting voice and music inside, and a
pivot shaft attaching body 12 fixed to the upper part of the housing 11.
[0020]
The upper end portion of the pivot shaft mounting body 12 is pivotally supported on the pivot
shaft portion 8 in the front-rear direction (see the arrow in the drawing) by a pivot portion 13
formed of a screw member.
For this reason, the main body 6 is rotatable with respect to the mounting portion 4 by a
predetermined angle in the front-rear direction. Then, after the main body portion 6 is rotated
within the range of a predetermined angle with respect to the rotational shaft portion 8, a nut
(not shown) is fastened to the rotational portion 13 to make the main body portion 6 and the
rotational shaft portion 8 It is designed to hold the relative angle.
[0021]
Next, the system configuration of the speaker system 1 will be described. As shown in FIG. 3, the
speaker system 1 includes the conductive portions 2 a and 2 a of the outlet rail 2 via the power
line 41 in addition to the speaker 3, the mounting portion 4 and the outlet rail 2 described above
(FIG. 2 (a)). Power source for supplying power, an acoustic device 23 for generating sound
information indicating a sound generated by the main body 6 of the speaker 3, and sound
information transmitted from the acoustic device 23 as the power line 42 and the outlet rail 2
And PLC21 (master device) to be transmitted toward the main body 6 via the conductive parts 2a
and 2a. PLC is an abbreviation of Power Line Communications.
[0022]
The acoustic device 23 is connected to a power source 33 via a power line 43, and the power
source 33 supplies power to the acoustic device 23. Also, although not particularly shown, the
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audio device 23 indicates the sound emitted by the main body 6 of the speaker 3 and a broadcast
receiving unit for receiving a broadcast from a broadcasting station or the like, and a playback
unit for playing back a medium such as a microphone or a CD. And a transmitter 23a for
transmitting sound information.
[0023]
Further, the acoustic device 23 is connected to the PLC 21 via the LAN cable 32. Then, the
transmitting unit 23a converts sound information generated by the microphone, the
reproduction unit, and the broadcast receiving unit into a packet, and can transmit the packet to
the PLC 21.
[0024]
Furthermore, the PLC 21 can convert the packet received from the transmitting unit 23a into a
sound signal as sound information that can be transmitted toward the main unit 6 via the power
line 42 and the conductive units 2a and 2a of the outlet rail 2 ing.
[0025]
The casing 11 of the speaker 3 receives the sound signal and the PLC 24 (child unit) for
distributing power and the sound signal transmitted from the conductive parts 2a and 2a, and
the sound signal transmitted by the PLC 24 and uses the sound signal as sound information. A
control unit 25 for converting into an audio current, an amplifier 26 for amplifying the audio
current sent by the control unit 25, and a speaker member 27 for converting the audio current
amplified by the amplifier 26 into a sound wave to emit sound are incorporated. ing.
[0026]
The PLC 24 is electrically connected to the lower end of the electric wire 10, although not shown.
Further, by attaching the attaching portion 4 to the outlet rail 2, the contact portions 9 a and 9 a
come into contact with the conductive portions 2 a and 2 a, so that power and sound signals
transmitted through the conductive portion 2 a are transmitted through the terminals 9 and the
wires 10. It is transmitted to the PLC 24 (see FIG. 2 (b)).
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[0027]
Therefore, the control unit 25 receives the sound information transmitted by the transmission
unit 23a via the LAN cable 32, the PLC 21, the power line 42, the conductive unit 2a of the outlet
rail 2, the terminal 9, the electric wire 10, and the PLC 24. There is.
In the present embodiment, the outlet rail 2 constitutes the sound information transmission
means and the power line carrier communication means (see FIG. 2B).
[0028]
The PLC 24 distributes the transmitted power and sound signals by the conductive units 2 a and
2 a (not shown), and supplies the distributed power to the control unit 25 and the amplifier 26.
[0029]
Next, a method of attaching the speaker 3 to the outlet rail 2 will be described.
Next, as shown in FIG. 2 (a), the upper end of the rail support 7 is inserted into the opening 2c of
the outlet rail 2 (see the rail support 7 shown by the dashed dotted line in the figure). The body 7
is rotated approximately 90 ° in the horizontal direction with respect to the outlet rail 2 (see the
rail support 7 shown by the solid line in the drawing).
[0030]
By this rotation, the extension portions 2b and 2b of the outlet rail 2 and the engaging portions
7b and 7b of the rail support 7 engage, and as shown in FIG. 2B, the contact portion of the
terminal 9 9a and 9a contact the conductive portions 2a and 2a of the outlet rail 2. Thereby, as
shown in FIG. 1, the main body 6 is electrically connected to the outlet rail 2, and the speaker 3
is attached to the outlet rail 2 with the main body 6 facing in a predetermined direction.
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[0031]
Further, when changing the layout of the installation space of the speaker 3, the rail support 7 is
removed by rotating by about 90 ° with respect to the outlet rail 2, and the rail described above
at any position in the longitudinal direction of the outlet rail 2 is removed. The speaker 3 is
attached to the outlet rail 2 by attaching the support 7.
[0032]
As described above, in the speaker system 1 of the present embodiment, the outlet rail 2
extending along the predetermined direction is provided, and the mounting portion 4 and the
speaker member 27 detachably attached to the outlet rail 2 are provided. The speaker 3 is
provided with a body portion 6 having a built-in body, and the speaker 3 is disposed at an
arbitrary position in the longitudinal direction of the outlet rail 2 via the attachment portion 4.
Are electrically connected to the outlet rail 2 via the outlet rail 2, and power is supplied to the
speaker 3 via the outlet rail 2, so that the speaker can be placed at any position in the
longitudinal direction of the outlet rail 2. Not only can you attach the 3 and change the layout of
the installation space of the speaker 3 freely, the speaker 3 can be attached to the outlet rail 2
Since the power is supplied by being electrically connected through 4, it is necessary to
separately wire a power cable or the like to the speaker 3 in order to supply power to the
speaker member 27 incorporated in the main body 6. Therefore, the installation work of the
speaker 3 and the wiring work for supplying power to the speaker 3 can be performed
simultaneously.
[0033]
Further, the mounting portion 4 has a rail support 7 attached to the outlet rail 2 and a pivot shaft
8 rotated with respect to the rail support 7. At least a part thereof is inserted into the outlet rail 2
and attached by being rotated by a predetermined angle, whereby the direction of the speaker
member 27 is set in a predetermined direction when the speaker 3 is installed. While
maintaining this state, the rail support 7 can be attached to the outlet rail 2 by rotating the rail
support 7 at a predetermined angle, and the operation of determining the direction of the
speaker member 27 and the installation operation of the speaker 3 can be performed
simultaneously. it can.
[0034]
Incidentally, in an audio device such as the speaker 3, unlike the lighting device etc., if the
direction of the speaker member 27 is determined in a predetermined direction in advance, fine
adjustment is hardly performed after installation, and the speaker member as in this embodiment
By simultaneously performing the operation of determining the direction of 27 and the
installation operation of the speaker 3, the installation operation of the speaker 3 is simplified.
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[0035]
In addition, the speaker 3 is in a state of being electrically connected only to the outlet rail 2, and
the outlet rail 2 as sound information transmitting means for transmitting sound information to
the speaker 3 is provided while maintaining this state. Since sound information is transmitted to
the speaker 3 by the transmitting unit 23a while maintaining the state in which the speaker 3 is
electrically connected only to the outlet rail 2, wiring of an acoustic cable or the like to the
speaker 3 is separately performed. There is no need to
[0036]
Further, since the sound information transfer means is a power line carrier communication
means for transferring sound information via the conductive portions 2a, 2a in the outlet rail 2,
the conductivity in the outlet rail 2 for supplying power to the speaker 3 is achieved. The sound
information transmission means can be easily configured by using the units 2a and 2a, and it is
not necessary to wire an acoustic cable or the like to the speaker 3 separately.
[0037]
Next, a speaker system according to a second embodiment will be described with reference to
FIG.
The same reference numerals are given to the same components as the components shown in the
first embodiment, and duplicate explanations are omitted.
[0038]
As shown in FIG. 4, the speaker system 51 of the second embodiment includes an attachment
member 57 a detachably attached to the outlet rail 2, a connection member 57 b connected to
the attachment member 57 a, and upper and lower sides with respect to the connection member
57 b. And a moving member 57c which is inserted in a movable manner in the direction.
[0039]
Although not shown in the drawing, an engaging portion similar to the engaging portions 7b and
7b of the rail support 7 is formed on the upper end portion of the mounting member 57a, and
the upper end portion of the mounting member 57a The hanging member 57 is attached to the
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outlet rail 2 by being inserted into the opening 2 c and rotating.
[0040]
A locked portion 56a engageable with a locking portion 57d formed at the lower end portion of
the moving member 57c is fixed to the main body portion 56 of the speaker 53.
Further, the moving member 57c can be fixed to the connecting member 57b by a fixing member
(not shown).
Thus, the locking portion 57d of the moving member 57c can be engaged with the locked
portion 56a, so that the relative angle between the main body 6 and the mounting portion 4 can
be maintained.
[0041]
Next, the system configuration of the speaker system 51 will be described. The acoustic device
63 has a transmitting unit 63a that transmits sound information as an electromagnetic wave or
the like.
Also, the acoustic device 63 is connected to the power supply 33 via the power line 42.
[0042]
The case 61 incorporates a control unit 65 that receives the sound information transmitted from
the transmission unit 63a.
That is, the control unit 65 receives the sound information transmitted by the transmission unit
63a by wireless communication (wireless communication means) using an electromagnetic wave
or the like.
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The control unit 65 converts the sound information transmitted from the transmission unit 63 a
into an audio current, and transmits the audio current to the amplifier 26.
That is, only the power is transmitted to the conductive portion of the outlet rail 2 not shown.
[0043]
As described above, since the transmitter 63a can transmit the sound information to the
controller 65 by wireless communication, the acoustic device 63 can transmit the sound
information to the controller 65 as long as it can be transmitted. For example, the installation
location can be freely selected.
[0044]
In addition, since the sound information transfer means is a wireless communication means for
transferring sound information via an electromagnetic wave, the sound information transfer
means can be easily configured using an electromagnetic wave, and an audio cable or the like
may be separately provided. There is no need to wire the speaker to the speaker.
[0045]
Next, a speaker system according to a third embodiment will be described with reference to FIG.
The same reference numerals are given to the same components as the components shown in the
first and second embodiments, and the redundant description will be omitted.
[0046]
As shown in FIG. 5, in the speaker system 71 of the third embodiment, only the speaker member
87 is incorporated in the housing 81.
The acoustic device 63 is connected to the power supply 84 via the power line 85.
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The audio device 63 receives the sound information generated by the microphone, the
reproduction unit, and the broadcast reception unit described above, converts the received sound
information into an audio current, and amplifies the audio current. And an amplifier 83b.
[0047]
The control unit 83a transmits the audio current amplified by the amplifier 83b to the speaker
member 87 via the power line 86, the conductive portion of the outlet rail 72 (not shown), and
the electric wire 10 (not shown).
[0048]
As described above, since only the audio current is transmitted to the conductive portion of the
outlet rail 72 and the configuration incorporated in the housing 81 is only the speaker member
87, the system configuration of the main portion can be simplified. .
[0049]
Although the embodiments of the present invention have been described above with reference to
the drawings, the specific configuration is not limited to these embodiments, and any changes or
additions may be made without departing from the scope of the present invention. Be
[0050]
For example, in the above embodiment, the main body 6 applies the speaker 3 which can be
rotated by a predetermined angle in the front-rear direction with respect to the mounting portion
4, but the present invention is not limited thereto. A speaker that can be turned by a
predetermined angle in the left-right direction may be applied.
[0051]
Further, in the second embodiment, the sound information is transmitted from the transmission
unit 63a to the control unit 65 by wireless communication using electromagnetic waves, but the
communication method of wireless communication is not limited to electromagnetic waves, but
infrared communication or optical communication It may be
[0052]
DESCRIPTION OF SYMBOLS 1 speaker system 2 outlet rail (sound information transmission
means, power line carrier communication means) 2a conductive part (power line) 3 speaker 4
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mounting part 6 main body 7 rail support 8 rotation shaft part 27 speaker member 51 speaker
system 53 speaker 63a transmission Part (Sound Information Transmission Means) 71 Speaker
System 72 Outlet Rail (Sound Information Transmission Means, Power Line Carrier
Communication Means) 73 Speaker 83a Control Part (Sound Information Transmission Means)
87 Speaker Member
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