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DESCRIPTION JP2015130651

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complete, reliable or fit for specific purposes. Critical decisions, such as commercially relevant or
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DESCRIPTION JP2015130651
A speaker module capable of increasing the volume of an electronic device and an electronic
device using such a speaker module. A speaker module according to the present invention
includes a speaker function unit, a suction component, and a resonance sleeve. The resonant
sleeve includes a resonant cavity and a sound emitting hole in communication with the resonant
cavity and is fixed to the adsorptive component, the resonant sleeve, the adsorptive component
and the speaker functional component communicate with each other, and the sound emitted by
the speaker functional component After entering through the resonance sleeve and being
resonated in the resonance cavity, it is propagated out through the sound emission hole.
[Selected figure] Figure 4
Speaker module and electronic device equipped with the same
[0001]
The present invention relates to a speaker module and a portable electronic device provided with
the speaker module.
[0002]
In electronic devices such as mobile phones and tablet computers, a speaker module is usually
mounted inside the housing.
The user can increase the volume of the speaker by operating the volume key of the electronic
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device. However, when the user places a call in a noisy environment, even if the volume of the
electronic device is maximized, the other party's voice may not be heard clearly.
[0003]
Then, this invention is made in view of the above problem, and an object of this invention is to
provide the electronic device using the speaker module which can increase the sound volume of
an electronic device, and this speaker module.
[0004]
In order to solve the above-mentioned subject, a speaker module concerning the present
invention is provided with a speaker function part, an adsorption part, and a resonance sleeve.
The resonant sleeve includes a resonant cavity and a sound emitting hole in communication with
the resonant cavity and is fixed to the adsorptive component, the resonant sleeve, the adsorptive
component and the speaker functional component communicate with each other, and the sound
emitted by the speaker functional component After entering through the resonance sleeve and
being resonated in the resonance cavity, it is propagated out through the sound emitting hole.
[0005]
Moreover, in order to solve the above-mentioned subject, the electronic device concerning the
present invention is provided with a cover and a speaker module, a speaker module is provided
with a speaker function part, adsorption part, and a resonance sleeve, and a through hole is
provided in a cover. The speaker function is attached to one side of the cover corresponding to
the position of the through hole, the suction component is fixed to the other side of the speaker
function in the cover, and the resonance sleeve communicates with the resonance cavity and the
resonance cavity A sound emission hole is included and fixed to the suction component, the
resonance sleeve, the suction component and the speaker function communicate with each other,
and the sound emitted by the speaker function enters the resonance sleeve through the suction
component and the resonance cavity After being resonated inside, it is propagated out through
the sound emission hole.
[0006]
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Unlike the prior art, the speaker module of the present invention comprises a resonant sleeve.
The resonance sleeve is adsorbed and fixed to the cover of the electronic device in
correspondence with the speaker function part of the electronic device via the adsorption
component. The sound emitted by the speaker function part enters the resonance cavity of the
resonance sleeve through the through hole and the adsorption part provided in the cover, and is
resonated and increased inside the resonance cavity. Therefore, the speaker module of the
present invention is simple in structure, easy to wear, and can increase the volume better.
[0007]
It is a figure which shows the state in which the speaker module which concerns on 1st
embodiment of this invention is mounted | worn with the electronic device. FIG. 2 is a crosssectional view of the electronic device shown in FIG. 1 along the line II-II. It is a figure which
shows the state in which the speaker module which concerns on 2nd embodiment of this
invention is mounted | worn with the electronic device. It is sectional drawing along the IV-IV
line of the electronic device shown in FIG.
[0008]
As shown in FIGS. 1 and 2, the speaker module 50 according to the first embodiment of the
present invention is attached to the electronic device 200 and plays a role of increasing the
volume when the electronic device 200 is in the hands-free state. . Examples of the electronic
device 200 include a notebook computer, a mobile phone, a tablet computer, a personal digital
assistant (PDA), and the like.
[0009]
The speaker module 50 includes a speaker function unit 10, a suction component 20 and a
resonance sleeve 30. The resonance sleeve 30 is fixed to the upper end of the suction component
20. The suction component 20 and the resonance sleeve 30 are in communication with the
speaker 10.
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[0010]
The electronic device 200 includes a back cover 210 and a front cover 230. The back cover 210
includes a first surface 211 and a second surface 213 opposite to each other. One end of the
back cover 210 has a housing space 250 formed recessed from the first surface 211 toward the
front cover 230. The speaker function unit 10 is mounted in the housing space 250. The suction
component 20 and the resonance sleeve 30 are provided on the second surface 213. At a
location corresponding to the speaker functional unit 10 in the back cover 210, a through hole
215 communicating the first surface 211 and the second surface 213 is further provided. The
sound emitted by the speaker function unit 10 is conducted through the through hole 215 into
the suction component 20 and the resonance sleeve 30.
[0011]
In the present embodiment, the suction component 20 is a hollow suction cup made of rubber,
and includes a hollow portion 21, suction portions 23 respectively provided at both ends of the
hollow portion 21, and a fixing portion 25. The suction portion 231 is provided with a suction
slot 231. The suction component 20 is suctioned and fixed to the second surface 213 of the
electronic device 200 by the suction slot 231. The fixing portion 25 is provided with a fixing slot
251 for fixing the resonance sleeve 30.
[0012]
The resonant sleeve 30 is a hollow structure that is substantially open at one end and closed at
the other end, and includes a ceiling wall 31 and four side walls 33. The four side walls 33 are
connected to one another so as to form arc-curved corners and are respectively connected to the
periphery of the ceiling wall 31 to form a resonant cavity 35 in cooperation with the ceiling wall
31. The sound from the speaker function 10 is resonated inside the resonant cavity 35 to
increase the volume. One side wall 33 is provided with one sound emission hole 331
communicating with the resonance cavity 35. The resonated sound is propagated out of the
resonance cavity 35 through the sound emission hole 331.
[0013]
When fixing the resonance sleeve 30 to the suction part 20, after aligning the resonance cavity
35 and the hollow portion 21, the ends of the four side walls 33 are fixed slots 251 of the fixing
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portion 25 by a method of fitting or bonding. Contain and fix inside.
[0014]
When the speaker module 50 is attached to the electronic device 200, first, the speaker function
unit 10 is attached to the inside of the accommodation space 250 inside the back cover 210 so
as to correspond to the through hole 215.
Subsequently, the resonance sleeve 30 is fixed to the suction component 20. Finally, after the
hollow portion 21 of the suction component 20 is set corresponding to the position of the
through hole 215 of the back cover 210, the suction component 20 is pressed downward to
discharge the air in the suction slot 231 to the outside. The adsorption component 20 is
adsorbed onto the second surface 213 of the back cover 210 of the electronic device 200 by the
pressure of the external atmospheric pressure. At this time, the hollow portion 21 and the
speaker functional unit 10 are respectively located on opposite sides of the through hole 215.
[0015]
After the speaker module 50 is attached to the electronic device 200, when the user makes a call
and activates the hands-free calling function, sound is emitted from the speaker function unit 10
of the speaker module 50, and the through hole 215 and the hollow portion 21 sequentially
enter the resonance cavity 35, resonate inside the resonance cavity 35, and then propagate out
of the resonance sleeve 30 through the sound emitting hole 331. This allows the user to hear the
call tone after being increased.
[0016]
As shown in FIGS. 3 and 4, the speaker module 100 according to the second embodiment of the
present invention is different from the speaker module 50 described in the first embodiment.
That is, the structure of the resonance sleeve 80 of the speaker module 100 according to the
second embodiment is different from the structure of the resonance sleeve 30 described in the
first embodiment. The speaker module 100 is mainly used to increase the volume when the
electronic device 200 plays music.
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[0017]
Specifically, the speaker module 100 includes a speaker function unit 60, a suction component
70 and a resonance sleeve 80. The resonance sleeve 80 is fixed to one end of the suction
component 70. The suction component 70 and the resonance sleeve 80 are in communication
with the speaker function unit 60.
[0018]
The shape and structure of the suction component 70 are the same as the shape and structure of
the suction component 20 of the first embodiment, and include a hollow portion 71, a suction
portion 73 and a fixing portion 75. The suction unit 73 is provided with a suction slot 731. The
suction component 70 is suction-fixed to the back cover of the electronic device 200 by a suction
slot 731. The fixing portion 75 is provided with a fixing slot 751 for fixing the resonance sleeve
80.
[0019]
The resonance sleeve 80 includes a first tubular body 81 and a second tubular body 83. The first
tubular body 81 is connected to the fixing portion 75 of the suction component 70. The second
tubular body 83 is connected to the first tubular body 81. The first tubular body 81 includes a
ceiling wall 811 and four side walls 813. The four side walls 813 are connected to one another
through arc-shaped corners and are respectively connected to the periphery of the ceiling wall
811 to form a first resonant cavity 815 in cooperation with the ceiling wall 811. The sound from
the speaker function unit 60 is resonated by the first resonant cavity 815 to increase the volume.
When the resonance sleeve 80 is fixed to the suction component 70, a part of the four side walls
813 may be accommodated and fixed in the fixing slot 751 of the fixing portion 75. One side
wall 813 is provided with a first sound emission hole 817 for communicating with the first
resonant cavity 815. Sound resonated inside the first resonance cavity 815 is conducted into the
second cylindrical body 83 via the first sound emission hole 817.
[0020]
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The second tubular body 83 includes an end wall 831 and four side walls 833 connected to the
end wall 831. The entire second tubular body 83 extends perpendicularly from the side wall 813
of the first tubular body 81. One of the four side walls 833 is located in line with the ceiling wall
811 of the first tubular body 81 and is connected to the ceiling wall 811. That is, the first
cylindrical body 81 and the second cylindrical body 83 are integrally connected so as to form an
angle of approximately 90 degrees. The end wall 831, the four side walls 833 and the side wall
813 of the first tubular body 81 jointly constitute a second resonant cavity 835. The second
resonant cavity 835 and the first resonant cavity 815 communicate with each other through the
first sound emission hole 817. Sound conducted from the first resonant cavity 815 into the
second resonant cavity 835 is re-resoned in the second resonant cavity 835. Furthermore, a
second sound emission hole 837 is provided in the end wall 831 of the second cylindrical body
83. The sound resonated in the second resonance cavity 835 is propagated through the second
sound emission hole 837 to the outside of the second cylindrical body 83.
[0021]
The steps and method for assembling the speaker module 100 of the second embodiment to the
electronic device 200 are the same as the steps and methods for assembling the speaker module
50 of the first embodiment to the electronic device 200. After the speaker module 100 is
attached to the electronic device 200, the user activates the music playback function of the
electronic device 200. At this time, music is emitted from the speaker function unit 60 and
conducted into the resonance sleeve 80 through the through hole 215 and the cavity 71. Since
the first resonant cavity 815 and the second resonant cavity 835 are in communication with
each other, the music is resonated and enhanced in the first resonant cavity 815 and the second
resonant cavity 835 and the second sound emitting hole 837 It is propagated to the outside
world through Thus, the user can listen to the music whose volume has been increased through
the second sound emission hole 837.
[0022]
Also, the size of the resonant sleeve 30 and the resonant sleeve 80 can be changed as needed to
resonate the voice of a particular frequency to further increase the volume.
[0023]
As can be understood from the above description, the speaker module 50 according to the first
embodiment of the present invention and the speaker module 100 according to the second
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embodiment are slightly different in structure and use range, but speakers through resonant
cavities 35 and 815, 835, respectively. The sound from the functional units 10, 60 can be
resonated and increased.
Also, the speaker module 50, 100 of the present invention is convenient to use. That is, when
assembling the speaker modules 50 and 100 into the electronic device 200, it is only necessary
to bond the speaker modules 50 and 100 to the electronic device 200 so that the resonance
sleeves 30 and 80 correspond to the through holes 215 of the electronic device 200. .
Furthermore, since the sound emission holes 331 and 837 of the speaker modules 50 and 100 of
the present invention are provided on the side surfaces of the speaker modules 50 and 100, they
are hard to be blocked and the sound volume can be increased more.
[0024]
200 electronic device 210 back cover 211 first surface 213 second surface 215 through hole
230 front cover 250 housing space 50, 100 speaker module 10, 60 speaker function unit 20, 70
suction component 21, 71 hollow portion 23, 73 suction portion 231 , 731 suction slots 25, 75
fixing parts 251, 751 fixing slots 30, 80 resonance sleeves 31 ceiling wall 33 side wall 35
resonance cavity 331 sound emitting hole 81 first cylindrical body 811 ceiling wall 813 side wall
815 first resonance cavity 817 First sound emission hole 83 Second cylindrical body 831 End
wall 833 Side wall 835 Second resonance cavity 837 Second sound emission hole
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