KR20130040616A - Portable terminal - Google Patents

Abstract

The present invention provides a terminal body having a case forming an exterior, mounted inside the terminal body, the antenna device coupled to the case and converts an electrical signal into a vibration signal to transmit a sound, and the vibration signal to the case It provides a mobile terminal comprising a bone conduction speaker in contact with the antenna device to transmit to.

Description

Mobile terminal {PORTABLE TERMINAL}

The present invention relates to a mobile terminal including a bone conduction speaker.

A mobile terminal is a portable electronic device that 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 are diversified, for example, the mobile terminal is implemented in the form of a multimedia player having complex functions such as taking a picture or a video, playing a music or a video file, and receiving a game or a broadcast.

Various new attempts have been made in terms of hardware or software to implement the complex functions of multimedia devices.

In addition, mobile terminals are regarded as personal items for expressing their individuality, and various design forms are required. The design form also includes structural changes and improvements for the user to more conveniently use the mobile terminal. As one of such structural changes and improvements, a bone conduction speaker mounted inside a mobile terminal may be considered.

Recently, structural modifications for minimizing the space in which the bone conduction speaker of the mobile terminal is accommodated in the mobile terminal and improving the performance of the bone conduction speaker have been studied.

The technical problem of the present invention is to provide a mobile terminal for maximizing the area of the display unit.

Another object of the present invention is to provide a mobile terminal having an improved bone conduction speaker.

Still another object of the present invention is to provide a mobile terminal having a bone conduction speaker operated in a bone conduction method and an air conduction method.

In order to achieve the object of the present invention, a mobile terminal according to an embodiment of the present invention includes a terminal body, an antenna device and a bone conduction speaker. The terminal body is provided with a case forming an appearance. The antenna device is mounted inside the terminal body and coupled to the case. The bone conduction speaker converts an electrical electrical signal into a vibration signal to transmit sound, and contacts the antenna device to transmit the vibration signal to the case.

As an example related to the present invention, the antenna device includes a non-conductive carrier having a speaker accommodating portion formed to receive the bone conductive speaker and a conductive radiator fixed on the carrier to transmit and receive radio waves.

As an example related to the present invention, the mobile terminal fills a space formed between the carrier and the bone conduction speaker and includes a charging member for mediating transmission of the vibration signal.

As an example related to the present invention, the filling member is formed of an adhesive member such that the bone conduction carrier and the bone conduction speaker are adhered to each other.

As an example related to the present invention, the mobile terminal includes a support member mounted to the case and coupled to the carrier to transmit the vibration signal to the case.

As an example related to the present invention, the antenna device may include a non-conductive carrier having a speaker housing configured to receive the bone conductive speaker and at least one barrier wall protruding from the carrier to prevent movement of the bone conductive speaker. Include.

As an example related to the present invention, the mobile terminal includes a support portion that is bent from an end of the blocking wall to support the bone conduction speaker. The bone conduction speaker includes a locking portion formed to hook the support portion.

As an example related to the present invention, the charging member includes a first charging member formed between the blocking wall and the bone conduction speaker, and a second charging member formed between the support part and the locking part.

As an example related to the present invention, the antenna device includes a non-conductive carrier having a speaker accommodating portion formed to receive the bone conductive speaker. The speaker housing is formed to be open toward the outer surface of the terminal body. The case includes a rear case covering the antenna device and the bone conduction speaker and in surface contact with the bone conduction speaker to transmit the vibration signal.

An example related to the present invention includes a circuit board disposed inside the main body of the terminal and electrically connected to the bone conduction speaker and the antenna device. The antenna device includes a non-conductive carrier having a speaker accommodating portion formed to receive the bone conductive speaker. The bone conduction speaker includes a first surface adjacent to the outside of the terminal body and a second surface facing the first surface. The accommodating part covers the first surface and opens the second surface, and the circuit board is disposed to face the second surface. The circuit board includes an elastic support part that protrudes from the circuit board and elastically supports the bone conduction speaker so that the first surface is in close contact with the carrier so that the vibration signal is transmitted to the carrier.

As an example related to the present invention, the antenna device includes a non-conductive carrier having a speaker accommodating portion formed to receive the bone conductive speaker, and is coupled to one end of the case to form an appearance of the terminal body.

As an example related to the present invention, the housing includes a battery cover coupled to one surface of the terminal body to cover a battery disposed inside the terminal body. The battery cover is coupled to one end of the antenna device to form a rear surface of the antenna device and the terminal body.

As an example related to the present invention, the bone conduction speaker operates in at least one of a bone conduction method and an air conduction method. The antenna device includes a discharge hole is formed so that the vibration formed from the bone conduction speaker is emitted to the outside of the terminal body to vibrate the air.

An example related to the present invention includes a support member installed inside the mobile terminal and coupled to the carrier, and a sound insulating material formed in a region where the carrier and the support member are coupled to each other.

As an example related to the present invention, the bone conduction speaker includes a control unit for controlling the operation of any one of the bone conduction method or air conduction method.

As an example related to the present invention, the antenna device includes a non-conductive carrier having a speaker accommodating portion configured to receive the bone conductive speaker and a microphone accommodating portion configured to accommodate the microphone.

As an example related to the present invention, the mobile terminal includes a bone conduction microphone having a control unit for converting a vibration signal transmitted through the case into an electrical signal.

The present invention includes a bone conduction speaker in the antenna device, the speaker hole is omitted from the front of the mobile terminal and the area of the bezel portion is minimized to maximize the area of the display unit formed on the front of the mobile terminal.

In addition, in the present invention by filling the filling member in the space between the components coupled to the bone conduction speaker to improve the transmission of vibration emitted from the bone conduction speaker. The antenna itself, in which the bone conduction speaker is mounted, configures the appearance of the mobile terminal to improve the performance of the bone conduction speaker.

In addition, the bone conduction speaker in the present invention operates in the bone conduction method and air conduction method, and the sound insulation is formed on the edge of the antenna device to minimize the noise generated in the mobile terminal.

1 is a block diagram of a mobile terminal according to an embodiment of the present invention;
FIG. 2A is a perspective view of an example of a mobile terminal according to the present invention. FIG.
FIG. 2B is a rear perspective view of the mobile terminal shown in FIG. 2A. FIG.
3 is an exploded view of the mobile terminal of FIG. 2B;
4A is a cross-sectional view taken along AA of the mobile terminal according to the embodiment of FIG. 2B;
4B is a cross-sectional view taken along AA of the mobile terminal according to another embodiment of FIG. 2B;
4C is a cross-sectional view taken along AA of the mobile terminal according to another embodiment of FIG. 2B;
5 is an exploded view of a mobile terminal according to another embodiment of FIG. 2B;
6 is a cross-sectional view taken along AA of the mobile terminal according to another embodiment of FIG. 2B;
7 is a rear perspective view of the mobile terminal shown in FIG. 2A according to another embodiment.
8 is a cross-sectional view taken along line BB of the mobile terminal of FIG.

Hereinafter, a mobile terminal related 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. As used herein, the singular forms "a", "an" and "the" include plural referents unless the context clearly dictates otherwise.

The mobile terminal described in this specification may include a mobile phone, a smart phone, a laptop computer, a digital broadcasting terminal, a PDA (Personal Digital Assistants), a PMP (Portable Multimedia Player), and navigation. However, it will be understood by those skilled in the art that the configuration according to the embodiments described herein may be applied to a fixed terminal such as a digital TV, a desktop computer, and the like, unless the configuration is applicable only to a mobile terminal.

The mobile terminal 100 includes a wireless communication unit 110, an audio / video input unit 120, a user input unit 130, a sensing unit 140, an output unit 150, a memory 160, A controller 170, a controller 180, a power supply 190, and the like. The components shown in FIG. 1 are not essential, and a mobile terminal having more or fewer components may be implemented. Hereinafter, the components will be described in order.

The wireless communication unit 110 may include one or more modules for enabling wireless communication between the mobile terminal 100 and the wireless communication system or between the mobile terminal 100 and the network in which the mobile terminal 100 is located. For example, the wireless communication unit 110 may include a broadcast receiving module 111, a mobile communication module 112, a wireless Internet module 113, a short range communication module 114, and a location information module 115 .

The broadcast receiving module 111 receives a broadcast signal and / or broadcast related information from an external broadcast management server through a broadcast channel.

The broadcast channel may include a satellite channel and a terrestrial channel. The broadcast management server may refer to a server for generating and transmitting broadcast signals and / or broadcast related information, or a server for receiving broadcast signals and / or broadcast related information generated by the broadcast management server and transmitting the generated broadcast signals and / or broadcast related information. The broadcast signal may include a TV broadcast signal, a radio broadcast signal, a data broadcast signal, and a broadcast signal in which a data broadcast signal is combined with a TV broadcast signal or a radio broadcast signal.

The broadcast-related information may refer to a broadcast channel, a broadcast program, or information related to a broadcast service provider. The broadcast related information may also be provided through a mobile communication network. In this case, it may be received by the mobile communication module 112.

The broadcast related information may exist in various forms. For example, it may exist in the form of Electronic Program Guide (EPG) of Digital Multimedia Broadcasting (DMB) or Electronic Service Guide (ESG) of Digital Video Broadcast-Handheld (DVB-H).

The broadcast receiving module 111 may include, for example, Digital Multimedia Broadcasting-Terrestrial (DMB-T), Digital Multimedia Broadcasting-Satellite (DMB-S), Media Media Forward Link Only (FLO), and Digital Video Broadcasting (DVB-H). Digital broadcast signals may be received using digital broadcasting systems such as broadcast-handheld (ISDB-T) and integrated services digital broadcast-terrestrial (ISDB-T). Of course, the broadcast receiving module 111 may be adapted to other broadcasting systems as well as the digital broadcasting system described above.

The broadcast signal and / or broadcast related information received through the broadcast receiving module 111 may be stored in the memory 160.

The mobile communication module 112 transmits and receives radio signals to at least one of a base station, an external terminal, and a server on a mobile communication network. The wireless signal may include various types of data depending on a voice call signal, a video call signal or a text / multimedia message transmission / reception.

The wireless Internet module 113 is a module for wireless Internet access, and may be built in or externally attached to the mobile terminal 100. Wireless Internet technologies may include Wireless LAN (Wi-Fi), Wireless Broadband (Wibro), World Interoperability for Microwave Access (Wimax), High Speed Downlink Packet Access (HSDPA), and the like.

The short range communication module 114 refers to a module for short range communication. Bluetooth, Radio Frequency Identification (RFID), infrared data association (IrDA), Ultra Wideband (UWB), ZigBee, and the like can be used as a short range communication technology.

The position information module 115 is a module for obtaining the position of the mobile terminal, and a representative example thereof is a Global Position System (GPS) module.

Referring to FIG. 1, an A / V (Audio / Video) input unit 120 is for inputting an audio signal or a video signal, and may include a camera 121 and a microphone 122. The camera 121 processes image frames such as still images or moving images obtained by the image sensor in the video call mode or the photographing mode. The processed image frame can be displayed on the display unit 151. [

The image frame processed by the camera 121 may be stored in the memory 160 or transmitted to the outside through the wireless communication unit 110. [ Two or more cameras 121 may be provided depending on the use environment.

The microphone 122 receives an external sound signal by a microphone in a call mode, a recording mode, a voice recognition mode, etc., and processes the external sound signal into electrical voice data. The processed voice data can be converted into a form that can be transmitted to the mobile communication base station through the mobile communication module 112 when the voice data is in the call mode, and output. Various noise reduction algorithms may be implemented in the microphone 122 to remove noise generated in receiving an external sound signal.

The user input unit 130 generates input data for a user to control the operation of the terminal. The user input unit 130 may include a key pad dome switch, a touch pad (static pressure / capacitance), a jog wheel, a jog switch, and the like.

The sensing unit 140 senses the current state of the mobile terminal 100 such as the open / close state of the mobile terminal 100, the position of the mobile terminal 100, the presence or absence of user contact, the orientation of the mobile terminal, And generates a sensing signal for controlling the operation of the mobile terminal 100. For example, when the mobile terminal 100 is in the form of a slide phone, it may sense whether the slide phone is opened or closed. In addition, whether the power supply unit 190 is supplied with power, whether the interface unit 170 is coupled to the external device may be sensed. Meanwhile, the sensing unit 140 may include a proximity sensor 141.

The output unit 150 is for generating output related to the visual, auditory or tactile sense and includes a display unit 151, an audio output module 152, an alarm unit 153, and a haptic module 154 .

The display unit 151 displays (outputs) information processed by the mobile terminal 100. For example, when the mobile terminal is in the call mode, a UI (User Interface) or a GUI (Graphic User Interface) associated with a call is displayed. When the mobile terminal 100 is in the video communication mode or the photographing mode, the photographed and / or received video or UI and GUI are displayed.

The display unit 151 is a liquid crystal display (LCD), a thin film transistor-liquid crystal display (TFT LCD), an organic light-emitting diode (OLED), a flexible display (flexible) and at least one of a 3D display.

Some of these displays may be transparent or light transmissive so that they can be seen through. This can be referred to as a transparent display, and a typical example of the transparent display is TOLED (Transparent OLED) and the like. The rear structure of the display unit 151 may also be of a light transmission type. With this structure, the user can see an object located behind the terminal body through the area occupied by the display unit 151 of the terminal body.

There may be two or more display units 151 according to the embodiment of the mobile terminal 100. For example, in the mobile terminal 100, a plurality of display portions may be spaced apart from one another, or may be disposed integrally with one another, and may be disposed on different surfaces, respectively.

When the display unit 151 and a sensor for detecting a touch operation (hereinafter, referred to as a touch sensor) form a mutual layer structure (hereinafter referred to as a touch screen), the display unit 151 may be configured in addition to an output device. Can also be used as an input device. The touch sensor may have the form of, for example, a touch film, a touch sheet, a touch pad, or the like.

The touch sensor may be configured to convert a change in a pressure applied to a specific portion of the display unit 151 or a capacitance generated in a specific portion of the display unit 151 into an electrical input signal. The touch sensor can be configured to detect not only the position and area to be touched but also the pressure at the time of touch.

If there is a touch input to the touch sensor, the corresponding signal (s) is sent to the touch controller. The touch controller processes the signal (s) and transmits the corresponding data to the controller 180. As a result, the controller 180 can know which area of the display unit 151 is touched.

The proximity sensor 141 may be disposed in an inner region of the mobile terminal covered by the touch screen or near the touch screen. The proximity sensor refers to a sensor that detects the presence or absence of an object approaching a predetermined detection surface or a nearby object without mechanical contact using the force of an electromagnetic field or infrared rays. The proximity sensor has a longer life span than the contact sensor and its utilization is also high.

Hereinafter, for convenience of explanation, an act of allowing the pointer to be recognized without being in contact with the touch screen so that the pointer is located on the touch screen is referred to as a "proximity touch", and the touch The act of actually touching the pointer on the screen is called "contact touch." The position where the pointer is proximately touched on the touch screen means a position where the pointer is vertically corresponding to the touch screen when the pointer is touched.

The sound output module 152 may output audio data received from the wireless communication unit 110 or stored in the memory 160 in a call signal reception, a call mode or a recording mode, a voice recognition mode, a broadcast reception mode, and the like. The sound output module 152 also outputs sound signals related to functions (e.g., call signal reception sound, message reception sound, etc.) performed in the mobile terminal 100. [ The audio output module 152 may include a receiver, a speaker, a buzzer, and the like.

The alarm unit 153 outputs a signal for notifying the occurrence of an event of the mobile terminal 100. Examples of events that occur in the mobile terminal include call signal reception, message reception, key signal input, touch input, and the like. The alarm unit 153 may output a signal for notifying the occurrence of an event in a form other than the video signal or the audio signal, for example, vibration. The video signal or the audio signal may be output through the display unit 151 or the audio output module 152 so that they may be classified as a part of the alarm unit 153.

The haptic module 154 generates various tactile effects that the user can feel. Vibration is a representative example of the haptic effect generated by the haptic module 154. The intensity and pattern of vibration generated by the haptic module 154 can be controlled. For example, different vibrations may be synthesized and output or sequentially output.

In addition to vibration, the haptic module 154 may be configured to provide a pin array that vertically moves with respect to the contact skin surface, a jetting force or suction force of air through an injection or inlet port, grazing to the skin surface, contact of an electrode, electrostatic force, and the like. Various tactile effects can be generated, such as effects by the endothermic and the reproduction of a sense of cold using the elements capable of endotherm or heat generation.

The haptic module 154 can be implemented not only to transmit the tactile effect through the direct contact but also to allow the user to feel the tactile effect through the muscular sensation of the finger or arm. The haptic module 154 may include two or more haptic modules 154 according to the configuration of the portable terminal 100.

The memory 160 may store a program for the operation of the controller 180 and temporarily store input / output data (e.g., a phone book, a message, a still image, a moving picture, etc.). The memory 160 may store data on vibration and sound of various patterns outputted when a touch is input on the touch screen.

The memory 160 may be a flash memory type, a hard disk type, a multimedia card micro type, a card type memory (for example, SD or XD memory), a RAM (Random Access Memory), SRAM (Static Random Access Memory), ROM (Read Only Memory), EEPROM (Electrically Erasable Programmable Read-Only Memory), PROM A disk, and / or an optical disk. The mobile terminal 100 may operate in association with a web storage that performs a storage function of the memory 160 on the Internet.

The interface unit 170 serves as a path for communication with all external devices connected to the mobile terminal 100. The interface unit 170 receives data from an external device or supplies power to each component in the mobile terminal 100 or transmits data to the external device. For example, a wired / wireless headset port, an external charger port, a wired / wireless data port, a memory card port, a port for connecting a device having an identification module, an audio I / O port, A video input / output (I / O) port, an earphone port, and the like may be included in the interface unit 170.

The identification module is a chip for storing various information for authenticating the use right of the mobile terminal 100 and includes a user identification module (UIM), a subscriber identity module (SIM), a general user authentication module A Universal Subscriber Identity Module (USIM), and the like. Devices with identification modules (hereinafter referred to as "identification devices") can be manufactured in a smart card format. Accordingly, the identification device can be connected to the terminal 100 through the port.

When the mobile terminal 100 is connected to an external cradle, the interface unit 170 may be a path through which power from the cradle is supplied to the mobile terminal 100, or various commands A signal may be a path through which the signal is transmitted to the mobile terminal. The various command signals or the power source input from the cradle may be operated as a signal for recognizing that the mobile terminal is correctly mounted on the cradle.

The controller 180 typically controls the overall operation of the mobile terminal. For example, voice communication, data communication, video communication, and the like. The control unit 180 may include a multimedia module 181 for multimedia playback. The multimedia module 181 may be implemented in the control unit 180 or may be implemented separately from the control unit 180. [

The controller 180 may perform a pattern recognition process for recognizing handwriting input or drawing input performed on the touch screen as characters and images, respectively.

The power supply unit 190 receives external power and internal power under the control of the controller 180 and supplies power necessary for operation of the respective components.

The various embodiments described herein may be embodied in a recording medium readable by a computer or similar device using, for example, software, hardware, or a combination thereof.

According to a hardware implementation, the embodiments described herein include application specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field programmable gate arrays (FPGAs), and the like. It may be implemented using at least one of processors, controllers, micro-controllers, microprocessors, and electrical units for performing other functions. The described embodiments may be implemented by the controller 180 itself.

According to the software implementation, embodiments such as the procedures and functions described herein may be implemented as separate software modules. Each of the software modules may perform one or more of the functions and operations described herein. Software code can be implemented in a software application written in a suitable programming language. The software code is stored in the memory 160 and can be executed by the control unit 180. [

2B is a rear perspective view of the mobile terminal shown in FIG. 2A. 3 is an exploded view of the mobile terminal of FIG. 2B.

1, 2A, 2B and 3, the mobile terminal 200 includes a terminal body in a bar shape. However, the present invention is not limited thereto, and can be applied to various structures such as a slide type, a folder type, and a swing type in which two or more bodies are coupled to be movable relative to each other. Further, the mobile terminal described herein may be any portable electronic device having a camera and flash, for example, a mobile phone, a smart phone, a notebook computer, a digital broadcast terminal, a Personal Digital Assistants ), A PMO (Portable Multimedia Player), and the like.

The terminal body includes a case (which may be referred to as a casing, a housing, a cover, and the like) that forms an appearance. The case may be divided into a front case 201 and a rear case 203 covering a surface opposite to the front case. Various electronic components are embedded in the space formed between the front case 201 and the rear case 203. The cases may be formed by injecting synthetic resin or may be formed of a metal material, for example, a metal material such as stainless steel (STS) or titanium (Ti).

The display unit 210 is formed on the front surface of the terminal body. The display unit 210 includes a window 211 and a display panel 212. The display panel 212 includes a liquid crystal display (LCD) module, an organic light emitting diode (OLED) module, an e-paper, and the like, which visually express information. The display unit 210 may include touch sensing means for inputting data by a touch method. If there is a touch on any part of the window 211, the content corresponding to the touched position is input. The content input by the touch method may be a letter or a number, an instruction in various modes, a menu item which can be designated, and the like. The touch sensing means is formed in a translucent manner so that the display portion can be seen, and a structure for enhancing the visibility of the touch screen in a bright place may be included. According to FIG. 2A, the display unit 210 occupies most of the front surface of the front case 201.

Although not shown, a sound input unit may be formed on the front surface. It may be implemented in the form of a receiver for transmitting a call sound to the user's ear or a loud speaker for outputting various alarm sounds or multimedia playback sounds. The sound input unit may be implemented in the form of, for example, a microphone to receive a user's voice, other sounds, and the like.

Also. The front camera portion may be formed on the front surface. The front camera processes image frames such as still images or moving images obtained by an image sensor in a video call mode or a photographing mode. The processed image frame can be displayed on the display unit 210. [

The signal input unit may be formed on the front surface. The signal input unit is manipulated to receive a command for controlling an operation of the mobile terminal 200 and may include a plurality of input keys. The input keys may also be referred to as a manipulating portion and may be employed in any manner as long as the user has a tactile sense and operates in a tactile manner.

Side keys 215, interface units 217, and the like are disposed on side surfaces of the rear case 203. The side key 215 may be collectively referred to as an operation unit, and may receive a command for controlling the operation of the mobile terminal 200. The side key 215 may be employed in any manner as long as it is a tactile manner. The contents input by the side key 215 may be variously set. For example, the side key 215 may receive a command such as switching to the touch recognition mode of the control display unit 210 of the rear camera unit 221.

The interface unit 217 serves as a passage for allowing the mobile terminal 200 according to the present invention to exchange data with an external device. For example, the interface unit 217 may be a wired or wireless connection terminal for connecting to the earphone, a port for short-range communication (for example, an infrared port (IrDA port), a Bluetooth port, a wireless LAN port ( Wireless LAN Port) and the like, or at least one of power supply terminals for supplying power to the mobile terminal 200. The interface unit 217 may be implemented in the form of a socket for receiving an external card, such as a subscriber identification module (SIM) or a user identity module (UIM), a memory card for storing information.

A battery unit 241 and a rear camera unit 221 are formed on the rear side of the terminal body. The battery unit 241 supplies power to the mobile terminal 200. The battery unit 222 may be built in the terminal body or may be directly detachable from the outside of the terminal body.

A flash 223 is disposed adjacent to the rear camera unit 221. The flash 223 may be disposed adjacent to the rear camera unit 221. The flash 223 shines light toward the subject when the subject is photographed by the rear camera 230.

A mirror 224 may be disposed adjacent to the flash 224. The mirror allows the user to illuminate the user's own face or the like in the case where the user intends to photograph (self-photograph) himself / herself by using the rear camera unit 221. [

The antenna device 300 is mounted to the rear case 203 and electrically connected to the circuit board 282. It is made to process a radio signal corresponding to the radio electromagnetic waves received by the antenna device 300. The antenna device 300 mainly transmits and receives a radio signal through the rear case 203. The antenna device 300 is configured to transmit and receive radio signals for wireless communication, global positioning system (GPS), MediaFLO (Media Forward Link Only), and the like, and may be configured as a main antenna unit of a mobile terminal. Can be.

The antenna device 300 includes carriers 310 and 410 and radiators 320 and 420. The radiators 320 and 420 may be formed of a conductive metal strip, and may be formed in a patterned shape to have a length corresponding to the frequency band to be applied. A feed unit 321 is formed integrally with the radiators 320 and 420 and is electrically connected to the circuit board 282. A contact pad 322 is formed on the circuit board 282 in contact with the power supply unit 321.

The carriers 310 and 410 may be formed of a non-conductive material and may include, for example, an insulating polymer material. The carriers 310 and 410 may be formed in a rectangular parallelepiped shape and include various surfaces on which the radiators 320 and 420 may be mounted. Although not shown in the drawing, insertion holes are formed in the radiators 320 and 420 to be fixed to the carriers 310 and 410, and projections corresponding to the insertion holes are formed in the carriers 310 and 410. Can be formed.

In an embodiment of the present invention, the bone conduction speaker 330 and the microphone 350 may be mounted on the carrier 310 of the antenna device 300. The bone conduction speaker 330 refers to delivering sound in a bone conduction manner. Bone conduction includes a bone conduction oscillator, which is a transducer that converts an electrical signal into a vibration signal, and utilizes a phenomenon in which sound is transmitted to the skull and transmitted directly to the inner ear without passing through the eardrum. It is a concept that corresponds to air conduction, in which sound in the air reaches the inner ear through the ear canal, the eardrum, and the scavenging bones. Bone conduction transducer (bone conduction transducer) is attached to the bone conduction speaker (330), the bone conduction oscillator acts as a vibration speaker for transmitting the sound by converting an electrical signal into a vibration signal.

In one embodiment of the present invention, the bone conduction speaker 330 may operate in an air conduction (air conduction) method. Air conduction means that sound is transmitted to the inner ear through the eardrum through an air medium.

The rear case 203 has a speaker hole 214 and a microphone hole so as to correspond to the bone conduction speaker 330 and the microphone 350 so that the bone conduction speaker 330 transmits sound in an air conduction manner. 213 may be formed.

In order to implement the bone conduction speaker 330 in the bone conduction method and the air conduction method, the mobile terminal according to the present invention transmits a signal to the user through the bone conduction speaker 330, and the speaker hole 214 and the Since the microphone hole 213 is formed at the rear side of the mobile terminal, the display unit 210 may be formed entirely on the front side of the mobile terminal. That is, the area of the display unit 210 can be maximized. In addition, since the formation of the openings formed on the front surface is unnecessary, a simple design can be realized and the process is simplified.

Hereinafter, specific structures of the bone conduction speaker 330 and the microphone 350 mounted on the antenna device 300 will be described.

4A is a cross-sectional view taken along line AA ′ of the mobile terminal according to the embodiment of FIG. 2B.

2B and 4A, the mobile terminal 200 includes the front case 201, the rear case 203, and the support member 202 installed between the front case 201 and the rear case 203. The display unit 210 includes a sound insulation material 303 and an antenna device 300.

The display unit 210 is disposed between the front case 201 and the support member 203. The display unit 210 includes a window 211 and a display panel 212.

An antenna device 300 is disposed between the rear case 203 and the support member 202. The antenna device 300 includes the carrier 310, the radiator 320, the bone conduction speaker 330 mounted on the carrier 310, the microphone 350, and the first and second charging members 341 and 342. ).

The carrier 310 is formed to partially overlap the inner surface of the rear case 203 in order to be mounted in the inner space of the rear case 203. The carrier 310 includes a speaker accommodating part configured to accommodate the bone conduction speaker 330. The speaker accommodating portion is spaced apart from the radiator, and at least one blocking wall 311 is formed to prevent contact with the radiator 320. The blocking wall 311 may protrude from the carrier 310 to surround the side surface of the bone conduction speaker 330. The blocking wall 311 may be made of the same material as the carrier 310 and may be integrally formed with the carrier 310.

The first charging member 341 is formed to fill a space between the bone conduction speaker 330 and the carrier 310. In order for the vibration signal generated by the bone conduction speaker 330 to be transmitted to the carrier 310 by the first charging member 341, the first charging member 341 does not absorb the vibration signal. It is preferably formed of a material.

The first filling member 341 may be formed of an adhesive member. That is, the bone conduction speaker 330 may be formed to adhere to the carrier 310 by using a double-sided tape as the first charging member 341. The first charging member 341 prevents separation of the carrier 310 and the bone conduction speaker 330 so that the vibration signal can be effectively transmitted.

The first charging member 341 transmits a vibration signal provided by the bone conduction speaker 330 to the carrier 310, so that the vibration signal is between the carrier 310 and the bone conduction speaker 330. It can be delivered to the carrier 310 without being deformed or lost in space. The transmitted vibration signal is transmitted to the rear case 203, the support member 202 and the front case 201 to the body of the user who is in contact with.

The second charging member 342 is formed between the bone conduction speaker 330 and the support member 202. The second charging member 342 is preferably formed of a material that does not absorb the vibration signal. In addition, the second filling member 342 may be formed of an adhesive member. That is, the second charging member 342 may be formed of the same material as the first charging member 341.

The second charging member 342 fills the space between the bone conduction speaker 330 and the support member 202, and transmits the vibration signal to the support member 202. The vibration signal transmitted to the support member 202 is transmitted to the front and rear cases 201 and 203 and transmitted to the body of the user who is in contact.

The bone conduction speaker 330 may be operated in a bone conduction manner or in an air conduction manner. The mobile terminal 200 may include a controller (not shown) for controlling the bone conduction speaker 330 to operate in one of a bone conduction method and an air conduction method. In addition, the bone conduction speaker 330 may transmit sound by simultaneously operating in a bone conduction method and an air conduction method.

The carrier 310 is formed with a hole 302 to emit sound waves when the bone conduction speaker 201 operates in an air conduction method. In addition, the rear case 203 is formed with a speaker hole 214 overlapping the hole 302 and formed so that the sound wave can be emitted to the outside of the mobile terminal.

The microphone 350 may be mounted on the antenna device 300. That is, the carrier 310 may include a microphone accommodating part. The microphone 350 may be spaced apart from the bone conduction speaker 330 with the radiator 320 interposed therebetween. A blocking portion protruding from the carrier 310 may be formed to prevent contact with the radiator 320. The microphone accommodating part may be formed to open toward the outside of the terminal body, and the rear case 203 may be formed to cover the microphone 350.

A microphone hole 213 is formed in the carrier 310 and the rear case 203 so as to overlap the microphone 350. In the call mode, a voice signal is received through the microphone hole 213.

On the other hand, the microphone 350 may operate in a bone conduction method. That is, the microphone 350 may include a controller for converting the vibration signal transmitted through the case into an electrical signal. The control unit transmits and receives a wave generated by the vibration generated when the user's voice is spoken and converts it into an electrical signal. In order to detect the voice of the user, the microphone 350 may further include an ultrasonic transceiver (not shown), a sensor unit (not shown), and the like.

The bone conduction speaker 330 and the microphone 350 are accommodated in the antenna device 300 so that a separate space is not required. In addition, since the antenna device 300 is installed at the lower end of the mobile terminal 200, the position of the microphone 350 is also disposed adjacent to the user's mouth, and thus the performance of transmission and reception may be improved.

The hole 302, the speaker hole 214, and the microphone hole 213 may be formed on the side of the mobile terminal. In this case, an opening is not formed in the rear case 203 and a high quality appearance can be realized.

The carrier 310 is coupled to the support member 202 through a coupling member 301. A coupling hole is formed at the edge of the carrier 310. Coupling grooves are formed in the support member 202 so as to overlap the coupling holes. The coupling member 301 penetrates the coupling hole and is inserted into the coupling groove to couple the carrier 310 and the support member 202.

The sound insulation material 303 may be formed between the bonding surface to which the support member 202 and the carrier 310 are bonded, and may be disposed to surround the antenna device 300. The sound insulation material 303 may be attached in a tape form, such as sponge material, poron (poron).

That is, the support member 202 and the carrier 310 are tightly coupled by the sound insulating material 303 so that the air conduction sound waves are transferred to other areas of the antenna device 300 except for the speaker hole 214. Leakage can be prevented. Therefore, it is possible to reduce the generation of noise due to the sound waves of the air conduction system.

The vibration signal emitted from the bone conduction speaker 330 is transmitted to the carrier 310 and the support member 202 through the first and second charging members 340. The vibration signal is transmitted from the carrier 310 and the support member 202 to the user by the front case 201 and the rear case 203.

Since the bone conduction speaker 330 is mounted inside the antenna device 300, there is no need to secure an arrangement space of a separate bone conduction speaker, which is spatially advantageous. In addition, the vibration signal is transmitted to the front case 201 and the rear case 203 through the carrier 310 and the support member 202, by limiting the gap between the components to the filling member The vibration signal may be effectively transmitted to a user, thereby improving performance of the bone conduction speaker.

4B is a cross-sectional view taken along line AA ′ of the mobile terminal according to another embodiment of FIG. 2B.

2B and 4B, the mobile terminal 200 includes the front case 201, the rear case 203, and the support member 202 installed between the front case 201 and the rear case 203. , A display unit 210, a sound insulation material 303, and an antenna device 300. An antenna device 300 is disposed between the rear case 203 and the support member 202.

The antenna device 300 includes the carrier 310 and the radiator 320, and the bone conduction speaker 330 and the microphone 350 are accommodated in the carrier 310. The mobile terminal according to the present exemplary embodiment may include components similar to those of the mobile terminal of FIG. 4A except for the support 312, and the same reference numerals are assigned to similar components, and description thereof will be provided with reference to FIG. 4A. To the description of

The support part 312 is formed to be bent from the blocking wall 311 to support the bone conduction speaker 330. The support part 312 may be formed of the same material as the blocking wall 311 and may be integrally formed with the blocking wall 311. The bone conduction speaker 330 includes a catching portion formed by being recessed to catch the supporting portion 312. The first charging member 341 is formed to fill the support 312 and the bone conduction speaker 330.

The support 312 may be formed to completely surround one side of the bone conduction speaker 330. On the other hand, when the support part 312 is formed to partially surround one side of the bone conduction speaker 330, a second portion between the support member 202 and the region not supported by the support part 312 The filling member 342 may be formed.

The blocking wall 311 and the support 312 are formed to surround the bone conduction speaker 330, and the first charging member 341 is formed to fill a space around the bone conduction speaker 330. . Therefore, the vibration signal emitted from the bone conduction speaker 330 and transmitted to the carrier 310 may increase to effectively transmit the signal.

4C is a cross-sectional view taken along A-A of the mobile terminal according to another embodiment of FIG. 2B;

2B and 4C, the mobile terminal 200 includes the front case 201, the rear case 203, and the support member 202 installed between the front case 201 and the rear case 203. , A display unit 210, a sound insulation material 303, and an antenna device 300. An antenna device 300 is disposed between the rear case 203 and the support member 202.

The antenna device 300 includes a carrier 310 ′ and the radiator 320, and the bone conduction speaker 330 and the microphone 350 are accommodated in the carrier 310 ′. The mobile terminal according to the present embodiment may include components similar to those of the mobile terminal of FIG. 4A except for the carrier 310 ′, and like reference numerals refer to like elements, and description thereof will be described with reference to FIG. Replace with the description of 4a.

The carrier 310 ′ is formed to be open toward the outer surface of the mobile terminal. That is, the carrier 310 ′ supports the inner and side surfaces of the bone conduction speaker 330, and the area opened by the carrier 310 ′ of the bone conduction speaker 330 is the rear case 203. Covers.

Although not shown, a charging member may be further included between the bone conduction speaker 330 and the rear case 203. Alternatively, in order for the bone conduction speaker 330 to be in close contact with the rear case 203, the height of the speaker accommodation portion of the carrier 310 ′ may be lower than that of the bone conduction speaker 330.

Since the bone conduction speaker 330 is in direct contact with the rear case 203, the vibration signal is directly transmitted to the rear case 203, so that the efficiency of transmission of the vibration signal to the user increases. The performance of the bone conduction speaker 330 may be improved.

5 is an exploded view of a mobile terminal according to another embodiment of FIG. 2B. 6 is a cross-sectional view taken along line AA ′ of the mobile terminal according to another embodiment of FIG. 2B.

2B, 5, and 6, the mobile terminal 200 is a circuit disposed between the front case 201, the rear case 203, and the front case 201 and the rear case 203. The substrate 282, the elastic support part 343, the display part 210, the sound insulation material 303, and the antenna device 300 are included.

An antenna device 300 is disposed between the rear case 203 and the support member 202. The antenna device 300 includes the carrier 310 and the radiator 320. The bone conduction speaker 330 and the microphone 350 are accommodated in the carrier 310.

The mobile terminal according to the present embodiment may include components similar to those of the mobile terminal of FIGS. 3 and 4A except for the circuit board 282, the elastic support 343, and the sound insulating material 303. The same reference numerals are given to the components, and the description thereof will be replaced with the description of FIG. 4A.

The circuit board 282 is disposed between the antenna device 300 and the display unit 210 and is disposed to face the bone conduction speaker 330. The circuit board 282 is equipped with a variety of electronic devices, and is electrically connected to the power supply unit 321 and the bone conduction speaker 330 embedded in the antenna device 300 controls the signal transmitted and received.

The carrier 310 is fixed to the front case 201 through the coupling member 301. That is, a coupling groove is formed at an edge of the carrier 310, and a coupling groove is formed in the front case 201 to overlap the coupling groove. The coupling member 301 penetrates the coupling groove and is inserted into the coupling groove to couple the carrier 310 and the front case 201. In addition, the sound insulation material 303 is disposed on a bonding surface to which the carrier 310 and the front case 201 are joined to prevent the air conduction sound waves from leaking to areas other than the speaker hole 214.

The elastic support part 343 protrudes from the circuit board 282 toward the bone conduction speaker 330. The elastic support 343 elastically supports the bone conduction speaker 330 to apply a force so that the bone conduction speaker 330 is not separated from the carrier 310. The elastic support 343 may be formed of a spring having an elastic force, and may have an elastic structure for supporting the bone conduction speaker 330 to be in close contact with the carrier 310.

The carrier 310 and the bone conduction speaker 330 may be in close contact with each other by filling the charging member between the circuit board 282 and the bone conduction speaker 330 by the elastic support 343. therefore. Even when the circuit board 282 is directly coupled to the bone conduction spurs 330, the vibration signal may be effectively transmitted, thereby improving performance of the bone conduction speaker 330.

7 is a rear perspective view of a mobile terminal according to another embodiment. 8 is a cross-sectional view taken along line B-B 'of the mobile terminal of FIG.

The mobile terminal 200 includes the front case 501, the middle case 502, the battery cover 503, and the antenna device 400. The rear surface of the mobile terminal 200 includes a battery unit 241, The rear camera unit 221 and the flash 223 are included.

The mobile terminal according to the present embodiment has a configuration similar to the components of the mobile terminal of FIGS. 2A, 2B, and 4A except for the front case 501, the middle case 502, the battery cover 503, and the antenna device 400. Elements, and like reference numerals refer to like elements, and descriptions thereof are replaced with the descriptions of FIGS. 2A and 2B.

Referring to FIGS. 7 and 8, a battery unit 241 is disposed on a rear surface of the mobile terminal, and the mobile terminal is coupled to one surface of the mobile terminal to cover the battery unit 241, and an outer surface of the mobile terminal. It includes a battery cover 503 constituting.

The bone conduction speaker 330 and the microphone 350 are accommodated in the carrier 410 so as to be spaced apart from each other with the radiator 420 interposed therebetween.

The antenna device 400 constitutes a part of an outer surface of the mobile terminal. That is, the antenna device 400 includes the carrier 410 and the radiator 420 mounted to the carrier 410, and an outer surface of the carrier 410 constitutes a part of an outer surface of the mobile terminal. . That is, the rear case covering the antenna device 400 is unnecessary.

In detail, the radiator 420 is formed on an inner surface of the carrier 410 facing the inside of the terminal body in order to block reception of radio waves by a user.

One end of the antenna device 400 may be coupled to one end of the battery cover 503. That is, the antenna device and the battery cover 503 may be coupled to form one surface of the mobile terminal. A groove 405 may be formed at one end of the antenna device 400 coupled to the battery cover 503.

That is, the battery cover 503 may be coupled to be detachable from the mobile terminal, and the user may separate the battery cover 503 from the mobile terminal through the groove part 405.

Although not shown, the rear frame is formed to be coupled to the middle frame 502 and to face the front frame 501. The antenna device 400 and the battery cover 503 may be formed on the rear frame to form one surface of the mobile terminal.

The carrier 410 includes a speaker accommodating part configured to accommodate the bone conduction speaker 330. The speaker accommodating part includes at least one blocking wall 411 to prevent contact with the radiator 420. The blocking wall 411 may protrude from the carrier 410 to surround the side surface of the bone conduction speaker 330, and may be formed of the same material as the carrier 410 and the carrier 410. It can be formed integrally with.

In addition, a support part 412 bent from the blocking wall 411 may be formed to support the bone conduction speaker 330. The support part 412 may be formed of the same material as the blocking wall 411 and may be integrally formed with the blocking wall 411. The support part 412 may be formed to entirely support one surface of the bone conduction speaker 330.

The bone conduction speaker 330 includes a contact protrusion 402 to be electrically connected to the circuit board 282. The support part 412 includes a hole through which the contact protrusion 402 passes.

The first charging member 341 is formed to fill the gap between the carrier 410 and the bone conduction speaker 330. In order for the vibration signal generated by the bone conduction speaker 330 to be transmitted to the carrier 310 by the first charging member 341, the first charging member 341 does not absorb the vibration signal. It is preferably formed of a material. In order to prevent separation of the carrier 410 and the bone conduction speaker 330, the first charging member 341 may be formed of an adhesive member.

Although not shown in the drawing, the first charging member 341 is also provided in the space between the blocking wall 411 and the bone conduction speaker 330 and in the space between the support part 412 and the bone conduction speaker 330. Can be formed.

The bone conduction speaker 330 may operate in only one of a bone conduction method and an air conduction method. The bone conduction speaker 330 may include a controller for controlling the bone conduction method or the air conduction method.

The carrier 410 is formed with a hole 403 formed so that sound waves can be emitted to the outside of the mobile terminal when the bone conduction speaker 330 operates in an air conduction manner. If the bone conduction speaker 300 operates only in a bone conduction manner, the hole 403 is unnecessary.

The carrier 410 is provided with a microphone housing so that the microphone 350 is accommodated. The microphone accommodating portion is formed to surround the microphone 350 in order to prevent contact of the microphone 350 with the radiator 420 and to fix the microphone 350 to the inside of the antenna device 400. The microphone hole 404 is formed in the carrier 410 so as to overlap the microphone 350. In the call mode, a voice signal is received through the microphone hole 404.

On the other hand, the microphone 350 may operate in a bone conduction method. That is, the microphone 350 may include a controller for converting the vibration signal transmitted through the case into an electrical signal.

The carrier 410 is coupled to the front case 501 through the coupling member 401. Coupling holes are formed at the edges of the carrier 410. Coupling grooves are formed in the front case 501 so as to overlap the coupling holes. The coupling member 401 penetrates the coupling hole and is inserted into the coupling groove to couple the carrier 410 and the front case 501.

The sound insulation material 403 may be formed between a bonding surface to which the carrier 410 and the front case 501 are bonded, and may be disposed to surround the antenna device 400. Sponge material, poron (poron), etc. may be attached to the sound insulating material 403 in the form of a tape, the carrier 410 and the front case 501 is closely coupled by the sound insulating material 303 of the air conduction method Sound waves may be prevented from leaking to other areas of the antenna device 400 except for the speaker hole 403. Therefore, it is possible to reduce the generation of noise due to the sound waves of the air conduction system.

Since the antenna device 400 itself forms the exterior of the mobile terminal, the vibration emitted from the bone conduction speaker 330 is transmitted directly to the user by vibrating only the carrier 410 without passing through an additional case, so that the bone conduction of the bone conduction speaker It can improve performance.

The mobile terminal described above can be applied to not only the configuration and method of the embodiments described above but also all or some of the embodiments may be selectively combined so that various modifications may be made to the embodiments It is possible.

Claims (17)

A terminal body having a case forming an appearance;
An antenna device mounted inside the terminal body and coupled to the case; And
And a bone conduction speaker in contact with the antenna device for transmitting sound by converting an electrical signal into a vibration signal and transmitting the vibration signal to the case. The method of claim 1,
The antenna device,
A non-conductive carrier having a speaker accommodating portion formed to receive the bone conductive speaker; And
And a conductive radiator fixed to the carrier to transmit and receive radio waves. The method of claim 2,
And a charging member filling a space formed between the carrier and the bone conduction speaker and mediating transmission of the vibration signal. The method of claim 3,
The charging member is a mobile terminal, characterized in that formed with an adhesive member to be bonded to the bone conduction carrier and the bone conduction speaker. The method of claim 3,
And a support member mounted to the case and coupled to the carrier to transmit the vibration signal to the case. The method of claim 1,
The antenna device,
A non-conductive carrier having a speaker accommodating portion formed to receive the bone conductive speaker; And
And at least one barrier wall protruding from the carrier to prevent movement of the bone conduction speaker. The method according to claim 6,
A support portion bent from an end of the blocking wall to support the bone conduction speaker;
The bone conduction speaker is a mobile terminal, characterized in that it comprises a locking portion formed to be caught in the support. The method of claim 7, wherein
The filling member,
A first charging member formed between the blocking wall and the bone conduction speaker; And
A mobile terminal, characterized in that it comprises a second charging member formed between the support and the engaging portion. The method of claim 1,
The antenna device includes a non-conductive carrier having a speaker accommodating portion formed to receive the bone conductive speaker,
The speaker accommodating portion is formed to be open toward the outer surface of the terminal body,
The case includes a rear case which covers the antenna device and the bone conduction speaker and is in surface contact with the bone conduction speaker to transmit the vibration signal. The method of claim 1,
A circuit board disposed inside the main body of the terminal and electrically connected to the bone conduction speaker and the antenna device;
The antenna device includes a non-conductive carrier having a speaker housing formed to receive the bone conducting speaker,
The bone conduction speaker includes a first surface adjacent to the outside of the terminal body and a second surface facing the first surface,
The accommodating part covers the first surface and opens the second surface, and the circuit board is disposed to face the second surface.
The circuit board includes an elastic support protruding from the circuit board to elastically support the bone conduction speaker so that the first surface is in close contact with the carrier so that the vibration signal is transmitted to the carrier. . The method of claim 1,
The antenna device includes a non-conductive carrier having a speaker housing formed to receive the bone conducting speaker, and coupled to one end of the case to form an appearance of the terminal body. The method of claim 11,
The housing includes a battery cover coupled to one surface of the terminal body to cover the battery disposed inside the terminal body,
The battery cover is coupled to one end of the antenna device to form a rear surface of the antenna device and the terminal body. The method of claim 1,
The bone conduction speaker operates in at least one of a bone conduction method and an air conduction method,
The antenna device is a mobile terminal, characterized in that it comprises a discharge hole is formed so that the vibration is generated from the bone conduction speaker to the outside of the terminal body to vibrate the air. The method of claim 13,
A support member installed inside the mobile terminal and coupled to the carrier; And
And a sound insulating material formed in an area where the carrier and the support member are coupled to each other. The method of claim 13,
And a controller for controlling the bone conduction speaker to operate in one of a bone conduction method and an air conduction method. The method of claim 1,
And the antenna device comprises a non-conductive carrier having a speaker accommodating portion configured to receive the bone conducting speaker and a microphone accommodating portion configured to receive the microphone. The method of claim 1,
The mobile terminal further comprises a bone conduction microphone having a control unit for converting the vibration signal transmitted through the case into an electrical signal.

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