KR101474434B1 - Portable terminal - Google Patents

Abstract

The present invention relates to a speaker apparatus comprising a main body having a woofer speaker, a bass drum mounted on one surface of the woofer speaker and having an inner space for forming an air layer for amplifying the sound of the woofer speaker, And first and second speakers which cooperate with the first and second speakers to emit multi-channel sound to the outside of the loudspeaker, and a sound blocking part formed in the loudness box and blocking the sound generated in the first and second speakers toward the inside space Thereby providing a portable terminal.

Description

[0001] PORTABLE TERMINAL [0002]

The present invention relates to a portable terminal having an acoustic output means capable of outputting multi-channel sound.

A portable terminal is a portable electronic apparatus which is portable and has one or more functions of voice and video call function, information input / output function, and data storing function.

As the functions of the portable terminal are diversified, the portable terminal is implemented in the form of a multimedia device having complicated functions such as photographing and photographing of a moving picture, reproduction of music or video file, reception of a game, and reception of a broadcast.

In order to implement complex functions in multimedia devices, various new attempts have been made in terms of hardware or software. For example, a user interface environment is provided for a user to easily and conveniently search for or select a function.

Thus, as the functions of the portable terminal as the multimedia device are enhanced, the sound quality of the sound output from the portable terminal when listening to music or moving images can be considered as an important factor in designing the portable terminal.

The present invention provides a structure capable of reproducing a multi-channel sound source in a portable terminal and improving sound quality of an output sound.

In order to accomplish the object of the present invention, a woofer speaker is provided on a main body of a portable terminal according to an embodiment of the present invention, and an inner space for amplifying sound of a woofer speaker is formed on one surface of a woofer speaker. The first and second speakers, which cooperate with the woofer speaker to emit multichannel sound to the outside of the bass drum, are integrally mounted on the bass drum. An acoustic shield is formed in the sounding tube to block the sound generated from the first and second speakers toward the inner space.

According to an aspect of the present invention, the sound blocking portion includes a blocking plate that surrounds the first and second speakers, respectively, to form first and second air layers for amplifying sounds of the first and second speakers in the inner space of the sounding box .

According to another aspect of the present invention, a borehole is formed in the borehole to extend to the outside of the borehole so as to surround the woofer speaker, thereby amplifying the sound generated from the woofer speaker to the outside of the borehole.

According to another aspect of the present invention, at least one air layer expansion hole communicating with the outside is formed on one side of the bass drum to amplify the sound of the woofer speaker.

According to still another aspect of the present invention, a conductive pattern for transmitting and receiving wireless electromagnetic waves is mounted on the inner surface of the bushing defining the inner space.

According to still another aspect of the present invention, a receiver for outputting a voice signal to the outside of the loudspeaker is mounted on the loudness box, and a receiver loudspeaker block for generating sound from the receiver and blocking the sound toward the loudspeaker is formed.

The present invention is characterized in that a woofer speaker and first and second speakers are integrally mounted in a bass drum to reproduce a multi-channel sound source, and acoustic interference between the woofer speaker and the first and second speakers is alleviated or prevented can do.

The first and second air layers for amplifying the sound of the first and second speakers may be formed to improve the sound quality of the sound output from the first and second speakers.

The present invention forms a hollow body extending around a woofer speaker to amplify the sound generated from the woofer speaker and directed to the outside of the borehole.

According to the present invention, the sound of the woofer speaker can be amplified by using the air in the internal space of the portable terminal by forming the air layer expansion hole on one side of the sounding tube.

By providing the conductive pattern of the built-in antenna in the loudspeaker, it is possible to reduce the space for mounting the components of the portable terminal and improve the sound quality of the sound output from the portable terminal.

The present invention can reproduce a multi-channel sound source by further mounting a receiver in a sounding box equipped with a woofer speaker and first and second speakers, and it is possible to reduce a space for mounting a component in the portable terminal.

Hereinafter, a printed circuit board assembly according to the present invention will be described in detail with reference to the drawings. In the present specification, the same or similar reference numerals are given to different embodiments in the same or similar configurations.

FIG. 1 is a perspective view of a mobile terminal 100 according to one embodiment of the present invention.

The portable terminal is formed by a front case 111 and a rear case 112. Various electronic components are embedded in the inner space defined by the front case 111 and the rear case 112. [

At least one intermediate case may be additionally disposed between the front case 110 and the rear case 112.

The front case 111 and the rear case 112 may be formed by injection molding synthetic resin or may be formed of a metal material such as stainless steel (STS) or titanium (Ti).

The display unit 113, the first sound output unit 144a, the first image input unit 115, or the first operation unit 116 may be disposed in the front case 111.

The display unit 113 includes a display module 141 (see FIG. 3) such as an LCD (Liquid Crystal Display) module and an OLED (Organic Light Emitting Diode) module for visually expressing information, And may further include a touch screen to enable information input by a user's touch.

The first sound output unit 144a and the second sound output unit 131a may be implemented in the form of a receiver or a speaker and the first image input unit 115 may receive an image or a moving image And may be implemented in the form of a camera module for photographing.

The first operation unit 116 receives a command for controlling the operation of the portable terminal according to an exemplary embodiment of the present invention.

At least one of the front case 111 and the rear case 112 may have a second operating portion 117, an acoustical input portion 118, and an interface 119.

The first and second operating portions 116 and 117 may be collectively referred to as a manipulating portion and may be employed in any manner as long as the user operates in a tactile manner.

For example, the operation unit may be embodied by a dome switch or a touch pad capable of receiving a command or information by a push or touch operation of the user, or may be implemented by a wheel, a jog system, a joystick, or the like .

In a functional aspect, the first operation unit 116 may be for inputting commands such as start, end, scroll, and the like, or for inputting numbers, letters, symbols, and the like. The second operation unit 117 may operate as a hot-key for performing a special function such as activation of the first image input unit 115 or the like.

The sound input unit 118 may be implemented in the form of a microphone, for example, to receive a user's voice, other sounds, and the like.

The interface 119 is a path for allowing the portable terminal related to the present invention to exchange data with an external device. For example, the interface 119 may be a wired or wireless connection terminal for connecting to an earphone, a port for short range communication (for example, an IrDA port, a wireless LAN port, etc.) Or power supply terminals for supplying power to the portable terminal.

The interface 119 may be a card socket that accepts an external card such as a subscriber identification module (SIM) or a user identity module (UIM), a memory card for information storage, and the like.

A power supply unit 120 for supplying power to the portable terminal is mounted on the rear case 112 side. The power supply unit 120 may be detachably coupled, for example, for charging, as a rechargeable battery, for example.

2 is a rear perspective view of the portable terminal of FIG.

Referring to FIG. 2, a second image input unit 121 may be additionally mounted on a rear surface of the rear case 112. The second image input unit 121 may have a photographing direction substantially opposite to that of the first image input unit 115 (see FIG. 1), and may be a camera having different pixels from the first image input unit 115.

For example, the first image input unit 115 has low pixels so that the face of the user can be photographed and transmitted to the other party in case of a video call, and the second image input unit 121 photographs a general subject It is preferable to have a high pixel because it is often not transmitted immediately.

A flash 122 and a mirror unit 123 are additionally disposed adjacent to the second image input unit 121. The flash 122 illuminates the subject when the subject is photographed by the second image input unit 123. The mirror unit 123 allows the user to illuminate his / her face or the like when the user intends to take a picture of himself / herself (self-photographing) using the second image input unit 121.

On one side of the rear case 112, a broadcast signal receiving antenna 124 may be disposed in addition to an antenna for communication. The antenna 132 may be installed to be detachable from the terminal body 110.

The third sound output unit 132a may be implemented as a speaker and output a stereo sound together with the second sound output unit 131a (see FIG. 1).

The fourth sound output unit 133a may be implemented as a woofer speaker to reproduce a sound source of a bass sound and may output a 2.1 channel sound together with the second sound output unit 131a and the third sound output unit 132a .

3 is an exploded perspective view of the portable terminal 100 according to one example of the present invention.

A printed circuit board 140 for operating various functions of the portable terminal is mounted in an inner space formed between the front case 111 and the rear case 112.

A display module 141 for outputting time information is mounted on the printed circuit board 140. Switches 142 for inputting information according to the pressing operation of the first operating portion 116 are mounted on the lower side of the display module 141 . A microphone 143 for inputting sound can be mounted on the lower side of the switches 142 as a part of the sound input unit 118 (see FIG. 1).

A chip antenna 150 for receiving radio waves is mounted on the printed circuit board 140.

A receiver 144 for converting an electrical signal applied from the printed circuit board 140 into an acoustic signal is mounted on the upper side of the display module 141 to form a first acoustic output unit 144a (see FIG. 1). A diaphragm, a magnet, a coil, or the like, which outputs sound by vibration, may be installed inside the housing constituting the external appearance of the receiver 144.

In the inner space formed between the front case 111 and the rear case 112, a bass drum 130 for reproducing a multi-channel sound source is mounted.

It is preferable that the belling can 130 be mounted on the rear case 112 so as to be mounted on the front case 111 but disposed between the printed circuit board 140 and the rear case 112.

FIG. 4 is an exploded perspective view of the phantom tube 130 mounted on the portable terminal 100 of FIG. 3, and FIG. 5 is a sectional view of the portable terminal 100 taken along the line (V-V) of FIG.

A woofer speaker 133 is mounted to the belling drum 130 using an adhesive member 134. The adhesive member 134 may be a double-sided tape, for example, or a gasket having adhesiveness to mitigate or prevent sound leakage between the woofer speaker 133 and the bass drum 130. [

The bass drum 130 and the woofer speaker 133 can also be fastened by a mechanical coupling such as a bolt coupling. An elastic member such as a rubber or nonwoven fabric may be additionally disposed to further improve the sealing effect between the sounding drum 130 and the woofer speaker 133. [

The woofer speaker 133 is mounted at a position corresponding to the sound output hole 159 of the bass drum so that sound is output to the outside of the bass drum 130.

At least one intermediate body may be additionally disposed between the front body 151 and the rear body 152. The front body 151 and the rear body 152 may be formed of a synthetic resin.

An air layer 153 capable of amplifying the sound of the woofer speaker 133 is formed in the inner space defined by the front body 151, the rear body 152 and the woofer speaker 133. [ This air layer allows more air to be vibrated so that the sound of the lower frequency range emitted by the woofer speaker 133 is larger.

A first or right speaker 131 and a second or left speaker 132 are mounted on both sides of the bass drum 130 so as to cooperate with the woofer speaker 133 to discharge multi-channel sound to the outside of the bass drum 130 .

Sound blocking portions 154 and 155 are formed at the left and right speakers 131 and 132 to block sound directed toward the inner space of the sounding drum 130.

The acoustic shielding portions 154 and 155 may be formed, for example, by forming a partition wall in an internal space of the sounding receptacle corresponding to the rear surface of the left and right speakers 131 and 132, or by arranging sheets or the like capable of blocking sound.

The sound blocking portions 154 and 155 allow the left and right speakers 131 and 132 to reproduce the divided sound to double the stereo effect and the sound blocking portions 154 and 155 are used to amplify the woofer speaker 133 and the left and right speakers 131 and 132 Can be mitigated or prevented.

The first and second air layers 157 and 158 may be formed in the sound blocking portions 154 and 155 by disposing shielding plates 154 'and 155' surrounding the left and right speakers 131 and 132, respectively.

And blocking plates 154 'and 155' are formed on the rear body 152. The first and second air layers 157 and 158 can be formed by disposing a blocking plate (not shown) symmetrical to the rear body 152 on the front body 151. [

The first and second air layers 157 and 158 become sounding spaces so that the sound from the front of the left and right speakers 131 and 132 and the sound generated from the rear surface cancel each other, Thereby improving the sound quality output from the left and right speakers 131 and 132. [0064] FIG.

The first air layer 157 and the second air layer 158 can vibrate more air and amplify the bass of the left and right speakers 131 and 132. [

The left and right speakers 131 and 132 are mounted so as to output sound toward the left and right sides of the terminal body 110. Between the left and right speakers 131 and 132 and the terminal body 110, a sheet for protecting the left and right speakers 131 and 132 may be attached.

5, the receiver 144 is mounted at a position corresponding to the sound output hole 144 'of the front case 111 so that sound is output toward the front of the terminal body 110.

The sounder 130 is mounted at a position corresponding to the sound output hole 133 'of the rear case 112 so that the woofer speaker 133 outputs sound toward the rear of the terminal body 110.

6 is a cross-sectional view of a portable terminal 200 according to another example of the present invention.

In the inner space formed between the front case 111 and the rear case 112, a bass drum 230 for reproducing a multi-channel sound source is mounted.

A small duct extending to the outside of the bass drum 230 is formed in the bass drum 230 so as to surround the woofer speaker 233.

The hollow body 201 collects the sound generated from the woofer speaker 233 and directed to the outside of the bass drum 230 to amplify the sound.

7 is a cross-sectional view of a portable terminal 300 according to another example of the present invention.

In the inner space formed between the front case 111 and the rear case 112, a bass drum 330 for reproducing a multi-channel sound source is mounted.

At least one air layer expansion hole (311) communicating with the outside is formed on one surface of the drum (330).

The air layer expansion hole 311 communicates with the inner space of the portable terminal 300 so that air in the internal space of the portable terminal 300 is used to amplify the sound of the woofer speaker 333 to amplify the sound of the woofer speaker 333 The air layer 353 is expanded.

8 is a cross-sectional view of the sounding drum 430 according to another example of the present invention.

A conductive pattern 401 for transmitting and receiving wireless electromagnetic waves is formed on the inner surface 456 of the resonator 430.

The conductive pattern 401 may be a radiator of a conductive material, and is preferably patterned and attached to the inner surface 456 of the drum 430.

The power supply terminal 402 electrically connected to the printed circuit board 140 (see FIG. 3) may be formed at the end of the conductive pattern 401.

A feed terminal groove 403 is formed in the belling drum 430 so that the feed terminal 402 can extend to the outside of the belling drum 430.

The conductive pattern 401 and the ringing tube 430 for seating and supporting the conductive pattern 401 can reduce the mounting space of the component of the portable terminal and improve the sound quality of the sound output from the portable terminal.

9 is a cross-sectional view of a phantom 530 according to another embodiment of the present invention.

A receiver 501, which is mounted to output a voice signal to the outside of the bass drum 530, is integrally coupled to the bass drum 530.

The receiver 501 is mounted on one surface of the belling bar 530 using an adhesive member 502, for example, a double-sided tape, and is electrically connected to the printed circuit board 140 (see FIG. 3).

The receiver 501 is preferably mounted on the front body 551 of the phantom 530 so that the sound output of the front case 111 (see FIG. 3) so that sound is output toward the front of the terminal body 110 And is mounted at a position corresponding to the hole 144 '(see FIG. 3).

The sounder block 530 is formed with a receiver sound cutout part 503 which is generated in the receiver 501 and blocks the sound directed toward the inner space of the sounder box 530.

As shown in Fig. 9, one surface of the sounding tube may be the receiver sound blocking portion 503.

Various modifications can be made to the bass drum 530 in which such a receiver 501 is integrally combined. For example, the receiver 501 is mounted inside the loudspeaker 530 like the left and right loudspeakers 531 and 532, and the receiver sound blocking unit 503 is mounted in the same way as the sound blocking units 554 and 555 of the left and right loudspeakers 531 and 532 And may be formed inside the emanator 530.

Acoustic interference between the receiver 501 and the speakers 531, 532 and 533 can be alleviated or prevented by the receiver acoustic shielding part 503. [

In the above description, the sound is output from the front surface of the speakers and the inner space of the sound box is disposed at a position corresponding to the rear surface of the speakers. However, the sound box of the present invention is formed so as to correspond to the other surface of the speaker So that the speaker can be provided with a ringing space.

While the present invention has been described based on a bar-type portable terminal, the present invention can be applied to various types of portable terminals such as a slide type, a folder type, a swing type, and a swivel type.

10 is a block diagram of a portable terminal according to the present invention.

10, a portable terminal 100 according to an exemplary embodiment of the present invention includes a wireless communication module 181, operation units 116 and 117, image input units 115 and 121, an acoustic input unit 118, a display unit 113, A sound output unit 144a and 131a to 133a, a sensing unit 181, an interface 119, a broadcast reception module 182, a memory 183, a power supply unit 120, and a control unit 180.

The control unit 180 typically controls the overall operation of the portable terminal. For example, voice communication, data communication, video communication, and the like.

The wireless communication module 181 transmits / receives a wireless signal to / from a mobile communication base station through an antenna. A transmission unit 182 for transmitting and receiving voice data, character data, image data, and control data under the control of the control unit 180 and for modulating and transmitting a signal to be transmitted for this purpose; 183).

The operation units 116 and 117 are configured as shown in FIG. 1, and provide the control unit 180 with key input data that the user inputs for controlling the operation of the terminal. The operation units 116 and 117 are composed of a dome switch, a touch pad (static / static), a jog wheel, a jog switch, and the like.

The image input units 115 and 121 process image frames such as still images or moving images obtained by the image sensor in the video communication mode or the photographing mode. The processed image frame is converted into image data that can be displayed on the display unit 113 and output to the display unit 113.

The image frames processed by the image input units 115 and 121 are stored in the memory 184 under the control of the control unit 180 or transmitted to the outside through the wireless communication module 181. [

The sound input unit 118 receives an external sound signal by a microphone in a communication mode, a recording mode, a voice recognition mode, or the like, and processes it as electrical voice data. The processed voice data is converted into a form that can be transmitted to the mobile communication base station via the wireless communication module 181 in the communication mode, and is output to the wireless communication module. In the recording mode, processed voice data is output to be stored in the memory 183.

The sound input unit 118 may be implemented with various noise reduction algorithms for eliminating noise generated in receiving an external sound signal.

The display unit 113 displays and outputs information processed in the portable terminal. For example, when the portable terminal is in the call mode, the control unit 180 displays a UI (User Interface) or a GUI (Graphic User Interface) associated with the call. If the portable terminal is in the video communication mode or the photographing mode, the control unit 180 displays and displays the photographed image, the UI, and the GUI. When the display unit 113 includes a touch screen, the display unit 113 is used as an input device in addition to the output device.

The sound output units 144a and 131a to 133a receive sound data or sound data received from the wireless communication module 181 under the control of the control unit 180 in a call signal reception mode, a communication mode or a recording mode, a voice recognition mode, Converts the sound data stored in the memory 184 and outputs the sound data to the outside.

The sound output units 144a and 131a to 133a output sound signals related to the functions (e.g., call signal reception sound, message reception sound, etc.) performed in the portable terminal 100. [

The sensing unit 186 senses the current state of the portable terminal, such as the open / close state of the portable terminal, the position of the portable terminal, whether or not the user touches the portable terminal, and generates a sensing signal for controlling the operation of the portable terminal. For example, if the portable terminal is in the form of a slide phone, it senses whether the slide phone is opened or closed, and outputs the sensing result to the controller 180 so that the operation of the terminal is controlled. And a sensing function related to whether or not the power supply unit 120 is powered on, whether the interface 119 is coupled to an external device, and the like.

The interface 119 may include a wired / wireless headset, an external charger, a wired / wireless data port, a card socket (for example, a memory card, a SIM / UIM card) It serves as an interface with the device. The interface 119 receives data from an external device or receives power from the external device, transfers the data to each component in the portable terminal, or transmits data in the portable terminal to an external device.

The memory 184 may store a program for processing and controlling the control unit 180 and may have a function for temporarily storing input / output data (e.g., a phone book, a message, a still image, .

A program for controlling the operation of the portable terminal 100 related to the present invention is stored in the memory 184

Such memory 184 includes the concept of a generally known hard disk, card type memory (e.g., SD or XD memory), flash memory, RAM, ROM, and the like.

The broadcast receiving module 185 receives broadcast signals transmitted through satellite or terrestrial waves and converts them into broadcast data formats that can be output to the sound output units 144a, 131a to 133a, and the display unit 113, Output. In addition, the broadcast receiving module 185 receives additional data (e.g., EPG (Electric Program Guide), channel list, etc.) related to broadcasting. The broadcast data and the additional data converted by the broadcast receiving module 185 may be stored in the memory 184. [

The power supply unit 120 receives external power and internal power under the control of the controller 180 and supplies power required for operation of the respective components.

The above-described portable terminal is not limited to the configuration and method of the embodiments described above, but all or some of the embodiments may be selectively combined so that various modifications may be made to the embodiments.

1 is a front perspective view of a portable terminal according to a temporal example of the present invention;

2 is a rear perspective view of a portable terminal according to a temporal example of the present invention;

3 is an exploded perspective view of a portable terminal according to one embodiment of the present invention;

FIG. 4 is an exploded perspective view of a phantom mounted on a portable terminal according to a temporal example of the present invention; FIG.

5 is a sectional view of the portable terminal taken along the line (V-V) of Fig.

6 is a sectional view of a portable terminal according to another example of the present invention;

7 is a sectional view of a portable terminal according to another embodiment of the present invention;

8 is a cross-sectional view of a phantom according to another embodiment of the present invention;

9 is a cross-sectional view of a phantom according to another embodiment of the present invention;

10 is a block diagram of a portable terminal according to a temporal example of the present invention;

Claims (6)

main body; A sounding drum mounted on the main body and having an inner space for forming an air layer; A woofer speaker mounted on one surface of the bass drum for outputting sound to the outside of the bass drum and amplifying sound through the air layer; First and second speakers respectively disposed on left and right sides of the woofer speaker and integrally mounted to the bailer to cooperate with the woofer speaker to emit multi-channel sound to the outside of the bailer; And The first and second loudspeakers are formed inside the loudspeaker to form first and second air layers that are generated in the first and second loudspeakers and block the sound toward the inner loudspeaker and amplify the sounds of the first and second loudspeakers, And a sound blocking unit that is disposed on left and right sides of the woofer speaker. delete The method according to claim 1, Wherein a hollow body is formed in the bass drum to extend to the outside of the bass drum to surround the woofer speaker and to amplify sound emitted from the woofer speaker to the outside of the bass drum. The method according to claim 1, Wherein at least one air layer expansion hole communicating with the outside is formed on one surface of the bass drum so as to expand an air layer for amplifying the sound of the woofer speaker. The method according to claim 1, And a conductive pattern mounted on an inner surface of the resonator defining the inner space to transmit and receive wireless electromagnetic waves. The method according to claim 1, Preferably, A receiver mounted to output a voice signal to the outside of the phoneme; And And a receiver sound blocking unit formed in the sounding box and configured to block the sound generated in the receiver and directed toward the inner space.

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