close

Вход

Забыли?

вход по аккаунту

?

JP2003158565

код для вставкиСкачать
Patent Translate
Powered by EPO and Google
Notice
This translation is machine-generated. It cannot be guaranteed that it is intelligible, accurate,
complete, reliable or fit for specific purposes. Critical decisions, such as commercially relevant or
financial decisions, should not be based on machine-translation output.
DESCRIPTION JP2003158565
[0001]
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a
portable telephone, and more particularly to a mounting structure of a speaker unit in the
portable telephone.
[0002]
2. Description of the Related Art Mobile phones being developed at a remarkable pace in recent
years are increasingly equipped with their additional functions. A speaker unit for generating a
sound such as a ringing tone is provided inside a housing of the mobile phone, and a sound
emission hole for emitting a sound generated from the speaker unit to the outside is provided in
the housing. .
[0003]
However, in the conventional portable telephone, since only one speaker unit for generating
sound is provided inside the casing of the portable telephone, a stereo effect can be applied to
the sound generated from the speaker unit. Even if it can not be obtained, or even if twin
speakers are mounted, the sounds are blurred by mixing the sounds generated from the
respective speaker parts inside the case, and as a result, the stereo by the twin speakers I could
not get enough effect.
10-05-2019
1
[0004]
It is an object of the present invention to emit ring tones and the like in a stereo sense by
emitting the sounds generated from the respective speaker parts to the outside so that they do
not mix inside the case when the twin speakers are mounted. An object of the present invention
is to provide a mounting structure of a speaker unit in a mobile phone that can be listened to
well.
[0005]
The invention according to claim 1 is an attachment structure of a speaker unit in a portable
telephone in which a first speaker unit and a second speaker unit are juxtaposedly
accommodated in a housing. In the housing, a first partition and a second partition separating the
first speaker unit and the second speaker unit are respectively in a circumferential direction of
the first speaker unit and a circumferential direction of the second speaker unit. The first speaker
portion is provided inside the first partition wall, and the second speaker portion is provided
inside the second partition wall.
[0006]
According to a second aspect of the present invention, in the mounting structure of the speaker
unit in the mobile phone according to the first aspect, the first partition has a first projection
which protrudes from the upper end of the first partition. The second partition is characterized in
that a second protrusion which protrudes from the upper end of the second partition is formed.
[0007]
The invention according to claim 3 is the attachment structure of the speaker unit in the portable
telephone according to claim 1 or 2, wherein the first partition is engaged with an outer
peripheral portion of the first speaker unit to be the first speaker unit. The first engaging portion
for positioning in the circumferential direction is formed, and the second partition is engaged
with the outer peripheral portion of the second speaker portion to position the second speaker
portion in the circumferential direction. It is characterized in that a second engaging portion to
be formed is formed.
[0008]
The invention according to claim 4 relates to the mounting structure of the speaker unit in the
mobile phone according to claim 3, wherein the direction from the central portion of the first
partition to the first engaging portion and the central portion of the second partition are used. It
is characterized in that the direction reaching the second engaging portion is parallel and in the
same direction.
10-05-2019
2
[0009]
The invention according to claim 5 is the attachment structure of the speaker unit in the mobile
phone according to any one of claims 1 to 4, wherein a speaker holder separate from the case is
attached to the case, The speaker holder is characterized by including the first partition and the
second partition.
[0010]
BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of a portable telephone
according to the present invention will be described in detail below with reference to FIGS.
[0011]
In FIG. 1, reference numeral 1 denotes a mobile phone according to the present invention.
As shown in FIGS. 1 and 2, in the mobile phone 1 according to the present invention, the front
side of the main body 1a having the operation unit 2 on the front side and the lid 1b having the
display unit 3 on the front side are aligned. Is configured to be foldable via the hinge portion 4.
The operation unit 2 and the display unit 3 are the same as those in the well-known technology,
and thus the description thereof is omitted.
In FIGS. 1 and 2, reference numeral 5 denotes an antenna for receiving radio waves, which is
accommodated in the main body 1a so as to be extensible upward when necessary.
Reference numeral 6 denotes a lens of a camera, which can be directed to an object to take a
digital photograph.
[0012]
The lid 1 b is provided with a first speaker 7 a and a second speaker 7 b in parallel.
10-05-2019
3
Further, on both sides of the lid 1b, a first sound emission hole 8a for emitting the sound
generated from the first speaker 7a to the outside and a sound generated from the second
speaker 6b to the outside The second sound release holes 8b are provided to be inclined at a
predetermined angle with respect to the horizontal plane.
Furthermore, a first light emission hole 9a and a second light emission hole 9b are provided in
the back surface portion of the lid 1b so that light is emitted at the time of call arrival or the like.
[0013]
The lid 1 b is formed such that the front lid and the back lid 1 b 1 shown in FIG. 3A are
combined, and the speaker holder 10 is attached to the back lid 1 b 1 by double-sided tape.
The speaker holder 10 is schematically configured by a circular first partition 10a and a second
partition 10b, and a first light guide 10c and a second light guide 10d connected to the first
partition 10a and the second partition 10b. , The whole is milky white.
The 1st speaker part 7a and the 2nd speaker part 7b are provided in the inside of the 1st
partition 9a, and the inside of the 2nd partition 9b.
[0014]
As shown in FIG. 4, FIG. 5A, and FIG. 5B, the speaker holder 10 is formed with a notch 10e on the
side and a hole 10f in the center. The position of the speaker holder 10 with respect to the back
cover 1b1 is determined by engaging the notch 10e or the hole 10f with a protrusion (not
shown) formed on the back cover 1b1.
[0015]
Further, in the speaker holder 10, the first partition 10a and the second partition 10b for
partitioning the first speaker unit 7a and the second speaker unit 7b correspond to the
circumferential direction of the first speaker unit 7a and the second speaker unit 7b,
10-05-2019
4
respectively. It is formed in a circular shape along the circumferential direction, and the circular
first partition walls 10a and the second partition walls 10b partially circumscribe each other.
[0016]
In the circular first partition 10a, first protrusions 10a1 protruding from the upper end of the
first partition 10a are formed at two locations facing each other across the central portion, and
the circular second partition The second protrusions 10b1 protruding from the upper end of the
second partition wall 10b are formed in two places facing each other across the central portion
in 10b.
Furthermore, a first claw 10a2 and a second claw 10b2 are formed outside the first protrusion
10a1 and the second protrusion 10b1.
[0017]
Further, a first notch 10a3 and a second notch 10b3 are formed in the circular first partition 10a
and the second partition 10b, respectively, and the first notch 10a3 and the second notch 10b3
are formed. Is formed such that the direction from the central portion of the first partition 10a to
the first notch 10a3 and the direction from the central portion of the second partition 10b to the
second notch 10b3 are parallel and in the same direction. ing.
[0018]
The first speaker portion 7a and the second speaker portion 7b are disk-shaped as shown in FIG.
6, and the first notch 10a3 formed in the first partition 10a and the second partition 10b are
formed on the outer peripheral portion. The projections 7a1 and 7b1 are formed to engage with
the second notches 10b3.
In addition, on the inner side of the first speaker 7a and the second speaker 7b, leaf spring-like
electrodes (7a2, 7a2), which are in contact with the electric circuit formed on the print substrate
11 provided in the lid 1b. (7b2, 7b2) are provided.
[0019]
10-05-2019
5
The first light guide 10c and the second light guide 10d transmit the light of the light emitting
diode provided on the printed circuit board 11 to the first light emission hole 9a and the second
light emission hole 9b, and thereby produce the first light emission. In order to reliably emit light
from the light hole 9a and the second light emission hole 9b to the outside, they are formed in
accordance with the shapes of the first light hole 9a and the second light emission hole 9b.
Further, as shown in FIG. 5B, in the connection portion 10c1 (10d1) of the connection portion of
the first light guide 10c with the first partition 10a and the connection portion of the second
light guide 10 with the second partition 10b, a back cover is provided. The body 1 b side is
formed to be rounded. Due to this rounding, the first light emitting hole 9a1 located in the
vicinity of the first speaker 7a where the first light guide 10c is not extended, and the second
speaker 7b where the second light guide 10d is not extended It is possible to reliably emit light
also from the second light emitting holes 9b1 located in the vicinity.
[0020]
When providing the 1st speaker part 7a and the 2nd speaker part 7b inside lid 1b, it carries out
as follows. First, a double-sided tape is attached to the entire back surface of the speaker holder
10, and the speaker holder 10 is attached to the back cover 1b1. Next, the first speaker portion
7a and the second speaker portion 7b are accommodated inside the first partition 10a and the
second partition 10b of the speaker holder 10, respectively. At this time, the protrusions 7a1 and
7b1 provided on the first speaker 7a and the second speaker 7b are formed in the first notch
10a3 and the second partition 10b formed in the first partition 10a, respectively. It is engaged
with the second notch 10b3. Next, a U-shaped pressing member (not shown) for pressing the
first speaker 7a and the second speaker 7b against the speaker holder 10 from the back side of
the first speaker 7a and the second speaker 7b. Are provided so that the both ends engage with
the 1st nail formed in the 1st partition, and the 2nd nail formed in the 2nd partition.
[0021]
Thereafter, the print substrate 11 is attached to the back side of the first speaker 7a and the
second speaker 7b. At this time, the printed circuit board 11 is in contact with the first projection
10a1 formed in the first partition 10a and the second projection 10b1 formed in the second
partition 10b, and the first speaker 7a and the second speaker 7a It is provided so as to press the
leaf spring-like electrodes (7a2, 7a2), (7b2, 7b2) provided on the speaker portion 7b. As a result,
a gap 12 as shown in FIG. 5C is formed between the print substrate 11 and the first and second
10-05-2019
6
speaker portions 7a and 7b. Thus, the air permeability of the peripheral portions of the first
speaker 7a and the second speaker 7b is secured, and the diaphragms of the first speaker 7a and
the second speaker 7b are easily vibrated.
[0022]
A state in which the first and second speaker portions 7a and 7b are attached to the lid 1b is as
shown in FIG. The sound generated in the direction of the back cover 1b1 from the first speaker
7a and the second speaker 7b arranged in this way is emitted to the outside from the first sound
emission hole 8a and the second sound emission hole 8b. Be diffused radially. At this time, the
first partition 10a1 and the second partition 10b1 prevent the sound generated from the first
speaker 7a and the sound generated from the second speaker 7b from leaking into the lid 1b and
mixing with each other. Ru. Thereby, the stereo effect by a twin speaker can be acquired
favorably.
[0023]
According to the present embodiment, the following effects can be obtained.
[0024]
In the back cover 1b1, a first partition 10a and a second partition 10b for partitioning the first
speaker 7a and the second speaker 7b are respectively disposed in the circumferential direction
of the first speaker 7a and the second speaker 7b. It is provided along the circumferential
direction of.
And while the 1st speaker part 7a is provided inside the 1st partition 10a, the 2nd speaker part
7b is provided inside the 2nd partition 10b. This prevents the sound generated from the first
speaker 7a and the sound generated from the second speaker 7b from leaking into the inside of
the lid 1b and mixing with each other. The sound generated from the first speaker 7a and the
sound generated from the second speaker 7b are emitted from the first sound emission hole 8a
and the second sound emission hole 8b formed on both sides of the lid 1b. Be done. Therefore, it
becomes possible to obtain a stereo effect by the twin speakers well and to listen to a realistic
sound.
10-05-2019
7
[0025]
The first partition 10a is formed with a first projection 10a1 projecting from the upper end of
the first partition 10a, and the second partition 10b is a second projection projecting from the
upper end of the second partition 10b 10b1 is formed. Thus, a gap 12 is formed between the
printed board 11 provided inside the lid 1 b and the first speaker 7 a and the second speaker 7 b.
While the diaphragms of the first speaker 7a and the second speaker 7b are easily vibrated by
the gap 12, and the sound is generated from the first speaker 7a and the second speaker 7b, the
gap 12 Act as a back cavity. Therefore, it is possible to listen to a more realistic sound while
strengthening the bass region of the sound generated from the first speaker 7a and the second
speaker 7b.
[0026]
The first partition 10a is formed with a first notch 10a2 engaged with the projection 7a1 formed
on the outer peripheral portion of the first speaker 7a, and the second partition 10b is formed
with the second speaker 7b. A second notch 10b2 is formed to engage with the projection 7b1
formed on the outer peripheral portion. And when attaching the 1st speaker part 7a and the 2nd
speaker part 7b to the speaker holder 10, positioning is easily carried out by engaging 1st notch
10a2 and 2nd notch 10b2 and protrusion 7a1 and 7b1. Productivity is improved.
[0027]
Furthermore, the first notch 10a2 and the second notch 10b2 extend from the center of the first
partition 10a to the first notch 10a2 and from the center of the second partition 10b to the
second notch 10b2. It is formed in such a way that all directions are parallel and in the same
direction. Therefore, since the first speaker portion 7a and the second speaker portion 7b
provided respectively on the inner side of the first partition 10a and the inner side of the second
partition 10b can be made the same, the production cost can be reduced and the mounting
operation can be performed. Mistakes in time can be reduced.
[0028]
The speaker holder 10 is separate from the rear lid 1b1, and the speaker holder 10 is integrally
10-05-2019
8
formed with the milky white first light guide 10c and the second light guide 10d and milky white
as in the present embodiment. By configuring, the speaker holder 10 assists the actions of the
first light guide 10 c and the second light guide 10 d. That is, the light etc. which alert | report an
incoming call etc. can be more favorably discharge | released from the 1st light emission hole 9a
and the 2nd light emission hole 9b.
[0029]
In the present embodiment, various design changes are possible. For example, in the present
embodiment, as shown in FIG. 3A and the like, a speaker holder 10 separate from the back
surface lid 1b1 is attached to the back surface lid 1b1. The first partition 10a and the second
partition 10b are provided. However, for example, the first partition wall 10a and the second
partition wall 10b may be formed integrally with the back surface lid 1b1. Also in this case, it is
needless to say that the same effect as that of the above-described embodiment can be obtained.
[0030]
As described above, according to the present invention, in the housing, the first partition and the
second partition, which separate the first speaker unit and the second speaker unit, are
respectively included in the first speaker unit. It is provided along the circumferential direction
and the circumferential direction of the second speaker portion. And while the said 1st speaker
part is provided inside the said 1st partition, the said 2nd speaker part is provided inside the said
2nd partition. As a result, the sound generated from the first speaker unit and the sound
generated from the second speaker unit are prevented from leaking into the interior of the
housing and mixing with each other. Therefore, it becomes possible to obtain a stereo effect by
the twin speakers well and to listen to a realistic sound.
10-05-2019
9
Документ
Категория
Без категории
Просмотров
0
Размер файла
17 Кб
Теги
jp2003158565
1/--страниц
Пожаловаться на содержимое документа