KR20140141345A - Portable terminal provided with sound guide bracket - Google Patents

Portable terminal provided with sound guide bracket Download PDF

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Publication number
KR20140141345A
KR20140141345A KR1020130062992A KR20130062992A KR20140141345A KR 20140141345 A KR20140141345 A KR 20140141345A KR 1020130062992 A KR1020130062992 A KR 1020130062992A KR 20130062992 A KR20130062992 A KR 20130062992A KR 20140141345 A KR20140141345 A KR 20140141345A
Authority
KR
South Korea
Prior art keywords
sound
guide
sound guide
portable terminal
guide bracket
Prior art date
Application number
KR1020130062992A
Other languages
Korean (ko)
Inventor
모찬용
Original Assignee
엘지전자 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 엘지전자 주식회사 filed Critical 엘지전자 주식회사
Priority to KR1020130062992A priority Critical patent/KR20140141345A/en
Publication of KR20140141345A publication Critical patent/KR20140141345A/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/60—Supervising unattended repeaters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/03—Constructional features of telephone transmitters or receivers, e.g. telephone hand-sets
    • H04M1/035—Improving the acoustic characteristics by means of constructional features of the housing, e.g. ribs, walls, resonating chambers or cavities

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Telephone Set Structure (AREA)

Abstract

According to another aspect of the present invention, there is provided a portable terminal including a sound guide bracket, wherein the sound guide bracket includes an acoustic guide portion, the acoustic guide portion includes an inlet, An outlet communicating with the inlet, and a guide surface provided between the inlet and the outlet.

Description

TECHNICAL FIELD [0001] The present invention relates to a portable terminal having a sound guide bracket,

The present invention relates to a portable terminal having a sound guide bracket for guiding sound output from an acoustic output unit.

A portable terminal is a portable device that is portable and has one or more functions such as voice and video call function, information output function, and data storage function.

As the functions are diversified, the portable terminal also has complicated functions such as photographing and photographing of a moving picture, reproduction of a music or video file, reception of a game, and broadcasting. In addition, such functions are integrated at once to implement a multimedia player (multimedia player).

Such a portable terminal incorporates an audio output device for externally outputting a sound signal during voice and video call, or reproduction of a music or video file.

1 is a cross-sectional view schematically showing a portable terminal incorporating a conventional sound output device.

1, the sound output module 10 including the sound output device 11 and the display module 30 are provided inside the case 20. A window portion 40 is provided in front of the display module 30 (in FIG. 1, downward).

At this time, case holes 21 and window holes 41 are formed in the case 20 and the window part 40 at positions corresponding to the sound output device 11, respectively.

More specifically, a part of the case 20 is cut out to form a case hole 21 in front of the sound output device 11 (vertically downward in Fig. 1), and a part of the window part 40 is cut The window hole 41 is formed.

A part of the sound outputted through the sound output device 11 can not pass through the case hole 21 and the window hole 41 and the space between the case 20 and the sound output module 10 There is a problem that a so-called " negative "

In addition, due to the size of the sound output module 10, the case hole 21 and the window hole 41 must have a design limit that must be located at least a certain distance d from the end, Therefore, there is a problem that there is a limitation in design freedom.

It is an object of the present invention to provide a portable terminal capable of preventing a negative sound from being generated while guiding sound so that the sound can be output to the outside of the portable terminal through a desired position.

According to another aspect of the present invention, there is provided a portable terminal including a sound guide bracket, wherein the sound guide bracket includes an acoustic guide portion, the acoustic guide portion includes an inlet, An outlet communicating with the inlet, and a guide surface provided between the inlet and the outlet.

The guide surface may include a first guide surface extending obliquely rearwardly and outwardly, and a second guide surface spaced apart from the first guide surface and extending obliquely forward and inward.

The first guide surface and the second guide surface may extend parallel to each other.

The sound guide portion may further include a protrusion protruding forward from the front surface, and the protrusion may be formed of an elastically deformable material surrounding the outlet.

The acoustic guide portion may further include an elastic portion surrounding at least a portion of the outermost portion of the acoustic guide portion, wherein the elastic portion is provided at a portion where the acoustic guide portion contacts the case of the portable terminal, .

According to the present invention, it is possible to adjust the position at which the sound is output to the outside of the portable terminal, and more particularly, through the space between the case and the window portion, through the vicinity of the end portion of the window portion, The degree of freedom in designing the portable terminal can be increased, and at the same time, the portable terminal can have a beautiful appearance.

1 is a side cross-sectional view schematically showing an example of a conventional portable terminal.
2 is a perspective view illustrating a portable terminal according to an embodiment of the present invention.
3 is a perspective view showing a part of the internal structure of the portable terminal according to an embodiment of the present invention.
4 is a cross-sectional perspective view schematically showing a state in which FIG. 2 is cut along the line AA.
5 and 6 are perspective views showing the acoustic guide bracket.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a configuration of a mobile terminal having a sound guide bracket according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 2 is a perspective view illustrating a portable terminal having an acoustic guide bracket according to an exemplary embodiment of the present invention, and FIG. 3 is a perspective view illustrating a portion of the internal structure of the portable terminal shown in FIG. 4 is a cross-sectional perspective view showing a part cut along line AA in Fig.

In the following description of the embodiment, "forward" means the side on which the image of the display module is displayed, that is, lower side in Fig. 4, and "rear side" 4, the display module 300, which will be described later, is located behind the window part 400, and the window part 400 is located in front of the display module 300 do.

2 to 4, the portable terminal includes a case 200, a display module 300 (see FIG. 4) incorporated in the case 200, A sound guide bracket 100 disposed adjacent to the display module 320 inside the case 200 and a sound guide bracket 100 disposed in front of the display module 300 and the sound guide bracket 100 4), and an acoustic output unit (not shown) coupled to the acoustic guide bracket 100.

First of all, the case 200 includes a front case 210 and a rear case 220 coupled to the rear of the front case 210. The front case 210 covers the side surface of the portable terminal and may cover the front edge. The rear case 220 is detachably coupled to the rear of the front case and covers the rear of the portable terminal. The rear case 220 may cover a part of the side surface together with the rear side of the portable terminal. The case 200 may further include an intermediate case positioned between the front case 210 and the rear case 220.

The display module 300 includes a display panel capable of displaying an image. The display module may be an LCD module including an LCD panel, an OLED module including an OLED panel, or any other display module.

When the display module 300 includes a display panel that does not emit light, such as an LCD panel, the display module 300 may further include a backlight unit for providing light to the display panel. The backlight unit is provided behind the display panel.

However, when the display module 300 includes a display panel of a self-luminous type such as an OLED panel, the backlight unit provided behind the display panel may be omitted.

The sound guide bracket 100 is positioned between the front case 200 and the display module 300.

5 and 6 are perspective views showing the acoustic guide bracket 100, respectively. FIG. 5 is a perspective view showing the rear view of the sound guide bracket 100, and FIG. 6 is a perspective view showing the front view.

The acoustic guide bracket 100 includes an acoustic output device receiving part 110 formed at a rear side (upper side in FIG. 4), and an acoustic output device receiving part And a sound guide unit 120 positioned forward (downward in FIG.

The sound output device accommodating portion 110 is an internal space surrounded by a seating surface 111 and a side wall portion 112 protruding rearward (upward in FIGS. 3 and 4) from the seating surface 111, And an acoustic output device (not shown) is seated in this space.

The acoustic output device housing 110 may be provided with an elastic pad 113. 3 and 4 illustrate a state in which the elastic pad 113 is provided in the acoustic output device receiving portion 110, and FIG. 5 illustrates a state in which the elastic pad 113 is omitted. The elastic pad 113 is provided on the seating surface 111 and can simultaneously absorb vibration generated in the sound output device and prevent external shock from being transmitted to the sound output device .

An acoustic output device (not shown) that is seated in the acoustic output device accommodation unit 110 is an apparatus for converting an electrical signal into an acoustic signal and outputting it. The acoustic output device includes a receiver for outputting a call sound, As shown in FIG.

The sound guide unit 120 includes an inlet 121 through which sound is introduced, an outlet 122 through which the introduced sound is output, a guide surface 123 provided between the inlet 121 and the outlet 122, .

The inlet 121 is formed by cutting a part of the seating surface 111 of the sound output device accommodating portion.

The outlet (122) is provided on the opposite side of the inlet (121). That is, the outlet 122 is formed on the front side (lower in FIGS. 3 and 4) relative to the inlet 121 and communicates with the inlet 121.

The guide surface 123 includes a first guide surface 1231 and a second guide surface 1232. The first guide surface 1231 is formed to be inclined so as to be directed to the rear and outer sides of the portable terminal. Here, the outer side refers to the edge of the portable terminal, that is, the front case 200 in FIG. The second guide surface 1232 extends substantially parallel to the first guide surface 1231. Accordingly, the second guide surface 1232 is inclined toward the front and the inside of the portable terminal.

Meanwhile, the guide part 120 further includes a protrusion 124a protruding forward from the front. The protruding portion 124a extends in a substantially rectangular shape so as to surround the outlet 122 of the guide portion. The protrusion 124a is made of a material having elasticity, and may include, for example, silicone, urethane, rubber, or the like.

Meanwhile, the acoustic guide bracket 100 is provided with a first engaging part 131. The first coupler 131 may be provided on one of the left and right sides of the acoustic guide bracket 100, or may be provided on both sides.

As shown in FIG. 3, the first coupling part 131 includes a hole into which the boss can be coupled, and the boss, which is inserted through the first coupling part 131, And can be coupled to the front case 210 to the terminal.

Meanwhile, the sound guide bracket 100 and the front case 210 may be further coupled by the second engaging portion 201. FIG. The second coupling portion 201 is provided in the case 200 as shown in FIG. The second coupling portion 201 is located behind the rear end of the sound guide bracket 100 and more specifically rearward of the side wall portion 112 of the sound output apparatus receiving portion 110, So that it is possible to restrict the sound guide bracket 100 from moving rearward of the front case 210. [

Meanwhile, as shown in FIG. 6, the front of the sound output unit 110 and the sound guide unit 120 may be stepped.

When the front surface of the sound output unit 110 and the front surface of the sound guide unit 120 have a stepped shape, a space in which the sound guide unit 120 can be inserted is formed in the front case 200, Since the acoustic guide 120 is inserted into the space and the front case 200 and the acoustic guide bracket 100 are engaged with each other, the acoustic guide bracket 100 can be accurately seated at a position where the acoustic guide bracket 100 is to be coupled. Can be improved.

At least a part of the sound guide part 120 may be made of a flexible material having elasticity. That is, the sound guide unit 120 may include an elastic portion 124 made of a material having elasticity.

The elastic portion 124 is provided at a portion of the sound guide portion 120 that contacts the front case 210. For example, since the sound guide part 120 contacts the front case 210 of the portable terminal through the three side surfaces and the front surface, the elastic part 124 is provided on three side surfaces contacting with the case of the portable terminal, do.

The elastic portion 124 may include a flexible material having elasticity, for example, silicone, urethane, rubber, or the like. Therefore, the above-mentioned projecting portion 124a constitutes a part of the elastic portion 124. [ With such a structure, not only the projecting portion 124a but also other portions contacting with the front case 210 are made of a flexible material capable of elastic deformation, so that the negative tone preventing effect as a whole can be further improved, .

In this case, the acoustic guide bracket 100 may be formed of two different materials by two-shot injection.

A window part 400 is provided in front of the display module 300 and the sound guide bracket 100. The window part 400 is made of a material through which light can be transmitted, for example, a light transmitting synthetic resin or a tempered glass. However, the window portion 400 may include a portion that can not transmit light at the edge.

An acoustic output hole 401 is formed between the outer end of the window part 400 and the front case 210. 1, the hole 21 is formed in the case 20 and the hole 41 is formed in the window 40. However, according to the embodiment of the present invention, It is possible to form the acoustic output hole 401 between the window part 400 and the front case 200 only by forming a part of the area of the part 400 to be shorter.

Meanwhile, a filter unit 500 may be provided between the sound guide bracket 100 and the window unit 400. The filter unit 500 may have a mesh shape and block the foreign matter from entering the portable terminal.

Hereinafter, the operation of the portable terminal having the acoustic guide bracket 100 according to an embodiment of the present invention will be described.

When sound is output from the sound output device (not shown) that is seated in the sound output apparatus accommodation unit 110, the sound waves enter the sound guide unit 120 through the inlet 121.

At this time, most of the sound waves travel forward. I.e., in a direction perpendicular to the direction in which the display panel 310 extends.

Most of the sound waves entering into the sound guide section 120 are reflected by the first guide surface 1231 and then reflected by the second guide surface 1232 so that the sound waves flowing into the first sound guide section 120 And then passes through the outlet 122 of the sound guide unit 120 and the sound output hole 401 in order and is transmitted to the outside of the portable terminal.

Therefore, even when the acoustic output hole 401 for transmitting an acoustic signal is formed at the edge of the window part 400, the maximum sound can be transmitted without scarring, and the degree of freedom of design can be maximized.

In addition, the protrusion 124a can maximize the effect of preventing the tone color.

The foregoing description is merely illustrative of the technical idea of the present invention, and various changes and modifications may be made by those skilled in the art without departing from the essential characteristics of the present invention.

Therefore, the embodiments disclosed in the present invention are intended to illustrate rather than limit the scope of the present invention, and the scope of the technical idea of the present invention is not limited by these embodiments.

The scope of protection of the present invention should be construed according to the following claims, and all technical ideas falling within the scope of the same shall be construed as falling within the scope of the present invention.

100: sound guide bracket 110: sound output device accommodating portion
111: seat face 112: side wall portion
113: elastic pad 120: sound guide part
121: inlet 122: outlet
123: guide surface 1231: first guide surface
1232: second guide surface 124: elastic part
124a: projecting portion 131: first engaging portion
200: Case 201: Second coupling portion
210: front case 220: rear case
300: Display module 400: Window part
401: acoustic output hole 500: filter section

Claims (5)

A portable terminal having a sound guide bracket,
The acoustic guide bracket
And a sound guide portion,
The sound guide portion includes:
An inlet,
An outlet that is provided on the opposite side of the inlet and communicates with the inlet,
And a guide surface provided between the inlet and the outlet
And a sound guide bracket.
The method according to claim 1,
The guide surface
A first guide surface extending obliquely toward the rear and the outer side,
And a second guide surface spaced apart from the first guide surface and extending obliquely toward the front and the inside,
And a sound guide bracket.
3. The method of claim 2,
The first guide surface and the second guide surface extend parallel to each other
And a sound guide bracket.
3. The method of claim 2,
Wherein the sound guide portion further includes a protrusion protruding forward from the front surface,
Wherein the protrusions comprise an elastically deformable material surrounding the outlet
And a sound guide bracket.
5. The method of claim 4,
The sound guide portion
And an elastic portion surrounding at least a part of an outermost portion of the sound guide portion,
The elastic portion is provided at a portion where the sound guide portion and the case of the portable terminal come into contact with each other,
The protrusions form part of the elastic portion
And a sound guide bracket.
KR1020130062992A 2013-05-31 2013-05-31 Portable terminal provided with sound guide bracket KR20140141345A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020130062992A KR20140141345A (en) 2013-05-31 2013-05-31 Portable terminal provided with sound guide bracket

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020130062992A KR20140141345A (en) 2013-05-31 2013-05-31 Portable terminal provided with sound guide bracket

Publications (1)

Publication Number Publication Date
KR20140141345A true KR20140141345A (en) 2014-12-10

Family

ID=52458898

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020130062992A KR20140141345A (en) 2013-05-31 2013-05-31 Portable terminal provided with sound guide bracket

Country Status (1)

Country Link
KR (1) KR20140141345A (en)

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