KR20110128472A - Mobile terminal - Google Patents

Abstract

PURPOSE: A mobile terminal is provided to measure an accurate antenna performance. CONSTITUTION: An antenna includes a feed unit and a ground unit. The feed unit is touched with a feeding pad. The ground unit is touched with the contact pad. A switch member(300) respectively blocks an electrical connection of the ground unit and the supplying pad, the feeding unit, and the ground pad from an external side through an entering hole for measuring the wireless signal performance. The switch member is electrically connected to the supply pad and the ground pad.

Description

Mobile terminal {MOBILE TERMINAL}

The present invention does not require mounting a mobile connector on a circuit board in order to measure antenna performance, thereby reducing manufacturing costs and manufacturing man-hours, and relates to a mobile terminal capable of measuring the RF performance of an antenna feeder with high reliability.

The terminal can move And can be divided into a mobile / portable terminal and a stationary terminal depending on whether the mobile terminal is a mobile terminal or a mobile terminal. The mobile terminal may be further classified into a handheld terminal and a vehicle mount terminal according to whether a user can directly carry it.

Such a terminal has various functions, for example, in the form of a multimedia device having multiple functions such as photographing and photographing of a moving picture, reproduction of a music or video file, reception of a game and broadcasting, etc. .

In order to support and increase the function of such a terminal, it may be considered to improve the structural part and / or the software part of the terminal.

An antenna is a device that performs a function of encoding or decoding an electrical signal as a radio wave, and it must be maintained to achieve a certain level of communication quality.

Such an antenna may be classified into an external antenna and an internal antenna. Recently, in consideration of design factors, the use of an internal antenna that is not exposed to the outside of a mobile terminal is increasing.

On the other hand, the actual performance of the antenna must be constantly checked so that a certain level of communication quality can be implemented in the process of designing and assembling the antenna of the mobile terminal.

In order to measure the wired RF performance, the signal line connected to the antenna feed from the RF circuit part must be cut off and the signal line connected from the RF circuit part to the measurement RF cable.

The circuit board of the conventional mobile terminal is provided with a mobile connector (Mobile connetor) to be directly connected from the outside to test the RF performance.

Such a mobile connector is used only for performance testing in an assembly process and the like, and is rarely used in everyday use. However, since the mobile connector is mounted on a circuit board, waste of mounting space inside the mobile terminal occurs.

In addition, the mounting position of the mobile connector is influenced by the external design of the mobile terminal, and is spaced at a predetermined interval from the antenna feeding.

Therefore, it is difficult to accurately measure the RF performance connected to the actual antenna side.

An object of the present invention is to solve the problem of providing a mobile terminal capable of realizing miniaturization or slimming and measuring accurate antenna performance.

In addition, the present invention does not need to be equipped with a mobile connector on the circuit board in order to measure the performance of the antenna to solve the problem to provide a mobile terminal that can reduce the manufacturing cost and manufacturing labor.

In addition, an object of the present invention is to provide a mobile terminal capable of measuring the RF performance of the antenna feeding unit with high reliability.

Mobile terminal according to an embodiment of the present invention for realizing the above object is a case having an entry hole; A circuit board disposed in the case and provided with a power supply and a ground pad, respectively; An antenna mounted in the case and including a feed part for contacting the feed pad and a ground part for contacting the ground pad; And a switch that cuts off electrical connections of the feed pad, the feed part, the ground pad, and the ground part, respectively, and is electrically connected to the feed pad and the ground pad, respectively, in a state inserted from the outside through the entry hole to measure wireless signal performance. Member.

In addition, the switch member includes a cable having a feed terminal and a ground terminal; And a housing surrounding a portion of the cable and exposing each terminal to the outside.

In addition, the housing may have a tip portion for enclosing a portion of the circuit board on which each pad is provided.

In addition, the tip portion may be formed of a metal material.

In addition, the feed terminal and the ground terminal may be disposed on the inner peripheral surface of the tip portion, respectively.

In addition, the case may be provided with a reinforcement protrusion formed along the edge of the entry hole.

In addition, the entry hole may be provided to be close to the connection portion between the antenna and the circuit board.

In addition, the antenna may include an insulating carrier and a conductive pattern disposed on the carrier, and the feed part and the ground part may be provided at ends of the conductive pattern, respectively.

A mobile terminal related to another embodiment of the present invention includes a case having an entry hole; A circuit board disposed in the case and provided with a power supply and a ground pad, respectively; A first conductive pattern having a carrier mounted in the case, a first feed part and a first ground part disposed on the carrier and electrically connected to the respective pads, and a second conductive pattern electrically connected to the first conductive pattern; An antenna comprising; And a switch member which cuts electrical connection of the first and second conductive patterns and is electrically connected to the first conductive pattern in a state of being inserted from the outside through the entry hole to measure the wireless signal performance.

In addition, the switch member includes a cable having a feed terminal and a ground terminal; And a housing surrounding a portion of the cable and exposing each terminal to the outside.

In addition, the carrier may be provided with a depression, and the first and second conductive patterns may be electrically connected in the depression.

In addition, the first and second conductive patterns may be disposed in the recessed portion with each end portion bent.

In addition, the entry hole may be provided to approach the depression of the carrier.

In addition, the case may be provided with a reinforcement protrusion formed along the edge of the entry hole.

The mobile terminal according to the at least one embodiment of the present invention configured as described above may not only realize miniaturization or slimming, but also measure accurate antenna performance.

In addition, the mobile terminal according to an embodiment of the present invention does not need to mount a mobile connector on the circuit board in order to measure the antenna performance can reduce the manufacturing cost and manufacturing labor.

In addition, the mobile terminal according to an embodiment of the present invention can check the RF performance of the antenna feeding unit with high reliability.

1 is a block diagram of a mobile terminal according to an embodiment of the present invention.
2 is a front perspective view of a mobile terminal according to an embodiment of the present invention;
3 is a rear perspective view of a mobile terminal according to one embodiment of the present invention;
4 is a perspective view of an antenna constituting a mobile terminal according to an embodiment of the present invention;
5 is a sectional view of principal parts of a mobile terminal according to a first embodiment of the present invention;
6 is a sectional view of principal parts of a switch member constituting a mobile terminal according to the first embodiment of the present invention;
FIG. 7 is a cross-sectional view illustrating main parts of a state in which the switch member illustrated in FIG. 6 is inserted into a mobile terminal. FIG.
8 is a sectional view of principal parts of a mobile terminal according to a second embodiment of the present invention;
9 is a sectional view showing the principal parts of a switch member constituting a mobile terminal according to a second embodiment of the present invention;
FIG. 10 is a sectional view showing the main parts of a state where the switch member shown in FIG. 9 is inserted into a mobile terminal; FIG.

Hereinafter, a mobile terminal according to the present invention will be described in more detail with reference to the accompanying drawings. The suffix "module" and " part "for the components used in the following description are given or mixed in consideration of ease of specification, and do not have their own meaning or role.

The mobile terminal described herein may include a mobile phone, a smart phone, a laptop computer, a digital broadcasting terminal, a personal digital assistant (PDA), a portable multimedia player (PMP), navigation, and the like. However, it will be readily apparent to those skilled in the art that the configuration according to the embodiments described herein may also be applied to fixed terminals such as digital TVs, desktop computers, etc., except when applicable only to mobile terminals.

1 is a block diagram of a mobile terminal according to an embodiment of the present invention.

The mobile terminal 100 includes a wireless communication unit 110, an A / V input unit 120, a user input unit 130, a sensing unit 140, an output unit 150, a memory 160, and an interface. The unit 170, the controller 180, and the power supply unit 190 may be included. The components shown in FIG. 1 are not essential, so that 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 that enable wireless communication between the mobile terminal 100 and the wireless communication system or between the mobile terminal 100 and a 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 mean a server that generates and transmits a broadcast signal and / or broadcast related information or a server that receives a previously generated broadcast signal and / or broadcast related information and transmits the same to a terminal. The broadcast signal may include not only a TV broadcast signal, a radio broadcast signal, and a data broadcast signal, but also a broadcast signal having a data broadcast signal combined with a TV broadcast signal or a radio broadcast signal.

The broadcast related information may mean information related to a broadcast channel, a broadcast program, or 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 Forward Link Only (MediaFLO), and Digital Video Broadcast (DVB-H). Digital broadcast signals can be received using digital broadcasting systems such as Handheld and Integrated Services Digital Broadcast-Terrestrial (ISDB-T). Of course, the broadcast receiving module 111 may be configured to be suitable for not only the above-described digital broadcasting system but also other broadcasting systems.

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 a wireless signal with 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 according to transmission and reception of a voice call signal, a video call call signal, or a text / multimedia message.

The wireless internet module 113 refers to a module for wireless internet access and may be embedded or external 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. As a short range communication technology, Bluetooth, Radio Frequency Identification (RFID), Infrared Data Association (IrDA), Ultra Wideband (UWB), ZigBee, and the like may be used.

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

Referring to FIG. 1, the A / V 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 may 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 according to 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. The microphone 122 may implement various noise removing algorithms for removing noise generated in the process of receiving an external sound signal.

The user input unit 130 generates input data for the 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 detects a current state of the mobile terminal 100 such as an open / closed state of the mobile terminal 100, a location of the mobile terminal 100, presence or absence of a user contact, orientation of the mobile terminal, acceleration / deceleration of the mobile terminal, and the like. To generate 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. The sensing unit 140 may include a proximity sensor 141.

The output unit 150 is used to generate an output related to sight, hearing, or tactile sense, and includes a display unit 151, an audio output module 152, an alarm unit 153, and a haptic module 154. Can be.

The display unit 151 displays (outputs) information processed by the mobile terminal 100. For example, when the mobile terminal is in a call mode, the mobile terminal displays a user interface (UI) or a graphic user interface (GUI) related to the call. When the mobile terminal 100 is in a video call mode or a photographing mode, the mobile terminal 100 displays photographed and / or received images, a UI, and a GUI.

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

Some of these displays can be configured to be transparent or light transmissive so that they can be seen from the outside. This may be referred to as a transparent display. A representative example of the transparent display is TOLED (Transparant OLED). The rear structure of the display unit 151 may also be configured as a light transmissive structure. With this structure, the user can see the 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 implementation form 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, for example, a form of a touch film, a touch sheet, a touch pad, or the like.

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

Referring to FIG. 1, a proximity sensor 141 may be disposed in an inner region of the mobile terminal or in the vicinity of the touch screen, which is surrounded by 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 an object present in the vicinity without using a mechanical contact by using an electromagnetic force or infrared rays. Proximity sensors have a longer life and higher utilization than touch sensors.

Examples of the proximity sensor include a transmission photoelectric sensor, a direct reflection photoelectric sensor, a mirror reflection photoelectric sensor, a high frequency oscillation proximity sensor, a capacitive proximity sensor, a magnetic proximity sensor, and an infrared proximity sensor. When the touch screen is capacitive, the touch screen is configured to detect the proximity of the pointer by the change of the electric field according to the proximity of the pointer. In this case, the touch screen (touch sensor) may be classified as a proximity sensor.

Hereinafter, for convenience of explanation, the 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 proximity touch is performed by the pointer on the touch screen refers to a position where the pointer is perpendicular to the touch screen when the pointer is in proximity proximity.

The proximity sensor detects a proximity touch and a proximity touch pattern (for example, a proximity touch distance, a proximity touch direction, a proximity touch speed, a proximity touch time, a proximity touch position, and a proximity touch movement state). Information corresponding to the sensed proximity touch operation and proximity touch pattern may be output on the touch screen.

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 may also output a sound signal related to a function (eg, a call signal reception sound, a message reception sound, etc.) performed in the mobile terminal 100. The sound output module 152 may include a receiver, a speaker, a buzzer, and the like.

The alarm unit 153 outputs a signal for notifying occurrence of an event of the mobile terminal 100. Examples of events occurring in the mobile terminal include call signal reception, message reception, key signal input, and touch input. The alarm unit 153 may output a signal for notifying occurrence of an event in a form other than a video signal or an 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 151 and 152 may be classified as 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 may be 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 may not only deliver the haptic effect through direct contact, but also may implement the user to feel the haptic effect through a muscle sense such as a finger or an arm. Two or more haptic modules 154 may be provided according to configuration aspects of the mobile terminal 100.

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

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), RAM (Random Access Memory, RAM), Static Random Access Memory (SRAM), Read-Only Memory (ROM), Electrically Erasable Programmable Read-Only Memory (EEPROM), Programmable Read-Only Memory (PROM), Magnetic Memory, Magnetic It may include a storage medium of at least one type of disk, optical disk. The mobile terminal 100 may operate in connection with a web storage that performs a storage function of the memory 160 on the Internet.

The interface unit 170 serves as a path with all external devices connected to the mobile terminal 100. The interface unit 170 receives data from an external device, receives power, transfers the power to each component inside the mobile terminal 100, or transmits data inside the mobile terminal 100 to an 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 that stores various types of information for authenticating the usage rights of the mobile terminal 100, and includes a user identification module (UIM), a subscriber identify module (SIM), and a universal user authentication module ( 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.

The interface unit may be a passage through which power from the cradle is supplied to the mobile terminal 100 when the mobile terminal 100 is connected to an external cradle, or various command signals input from the cradle by a user may be transferred. It may be a passage that is delivered to the terminal. Various command signals or power input from the cradle may be operated as signals 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, perform related control and processing for voice calls, data communications, video calls, and the like. The controller 180 may include a multimedia module 181 for playing multimedia. The multimedia module 181 may be implemented in the controller 180 or may be implemented separately from the controller 180.

The controller 180 may perform a pattern recognition process for recognizing a writing input or a drawing input performed on the touch screen as text and an image, respectively.

The power supply unit 190 receives an external power source and an internal power source under the control of the controller 180 to supply power for operation of each component.

Various embodiments described herein may be implemented 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 may be implemented as application specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field programmable gate arrays May be implemented using at least one of processors, controllers, micro-controllers, microprocessors, and other electronic units for performing other functions. In some cases, May be implemented by the control unit 180.

In a software implementation, embodiments such as procedures or functions may be implemented with separate software modules that allow at least one function or operation to be performed. The software code may be implemented by a software application written in a suitable programming language. The software codes are stored in the memory 160 and can be executed by the control unit 180. [

2 is a front perspective view of an example of a mobile terminal according to the present invention;

The disclosed mobile terminal 100 has a terminal body having a bar shape. However, the present invention is not limited thereto and may be applied to various structures such as a slide type, a folder type, a swing type, a swivel type, and two or more bodies are coupled to be relatively movable.

The body includes a casing (casing, housing, cover, etc.) that forms an exterior. In this embodiment, the case may be divided into a front case 101 and a rear case 102. Various electronic components are built in the space formed between the front case 101 and the rear case 102. At least one intermediate case may be further disposed between the front case 101 and the rear case 102.

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 151, the audio output unit 152, the camera 121, the user input units 130/131 and 132, the microphone 122, and the interface 170 may be disposed in the terminal body, mainly the front case 101. have.

The display unit 151 occupies most of the main surface of the front case 101. A sound output unit 151 and a camera 121 are disposed in an area adjacent to one end of both ends of the display unit 151 and a user input unit 131 and a microphone 122 are disposed in an area adjacent to the other end. The user input unit 132 and the interface 170 may be disposed on side surfaces of the front case 101 and the rear case 102.

The user input unit 130 is operated to receive a command for controlling the operation of the mobile terminal 100 and may include a plurality of operation units 131 and 132. The manipulation units 131 and 132 may also be collectively referred to as manipulating portions, and may be employed in any manner as long as the user operates the tactile manner with a tactile feeling.

Content input by the first or second manipulation units 131 and 132 may be variously set. For example, the first operation unit 131 receives commands such as start, end, scroll, and the like, and the second operation unit 132 controls the size of the sound output from the sound output unit 152 or the size of the sound output from the display unit 151 To the touch recognition mode of the touch screen.

3 is a rear perspective view of the mobile terminal shown in FIG. 2.

Referring to FIG. 3, a camera 121 ′ may be additionally mounted on the rear of the terminal body, that is, the rear case 102. The camera 121 ′ has a photographing direction substantially opposite to that of the camera 121 (see FIG. 2), and may be a camera having different pixels from the camera 121.

For example, the camera 121 has a low pixel so that the user's face is photographed and transmitted to the counterpart in case of a video call, and the camera 121 'photographs a general subject and does not transmit it immediately. It is desirable to have a high pixel because there are many. The cameras 121 and 121 'may be installed in the terminal body so as to be rotatable or pop-upable.

A flash 123 and a mirror 124 are further disposed adjacent to the camera 121 '. The flash 123 shines light toward the subject when the subject is photographed by the camera 121 '. The mirror 124 allows the user to see his / her own face or the like when photographing (self-photographing) the user using the camera 121 '.

The sound output unit 152 'may be further disposed on the rear surface of the terminal body. The sound output unit 152 ′ may implement a stereo function together with the sound output unit 152 (see FIG. 2), and may be used to implement a speakerphone mode during a call.

In addition to the antenna for a call or the like, a broadcast signal reception antenna 124 may be additionally disposed on the side of the terminal body. The antenna 124 constituting a part of the broadcast receiving module 111 (see FIG. 1) may be installed to be able to be drawn out from the terminal body.

The terminal body is equipped with a power supply unit 190 for supplying power to the mobile terminal 100. The power supply unit 190 may be embedded in the terminal body or may be directly detachable from the outside of the terminal body.

The rear case 102 may be further equipped with a touch pad 135 for sensing a touch. Like the display unit 151, the touch pad 135 may also be configured to have a light transmission type. In this case, if the display unit 151 is configured to output visual information from both sides, the visual information may be recognized through the touch pad 135. The information output on both surfaces may be controlled by the touch pad 135. Alternatively, a display may be additionally mounted on the touch pad 135, and a touch screen may be disposed on the rear case 102 as well.

The touch pad 135 operates in association with the display unit 151 of the front case 101. The touch pad 135 may be disposed in parallel to the rear of the display unit 151. The touch pad 135 may have the same or smaller size as the display unit 151.

The mobile terminal 100 according to the present invention has been described in terms of components according to functions and arrangement of the components.

Hereinafter, for convenience of description, a bar type mobile terminal having a front touch screen is described as an example among various types of mobile terminals such as a folder type, a bar type, a swing type, a slider type, and the like.

However, the present invention is not limited to the bar type mobile terminal, but may be applied to all types of mobile terminals including the above-described type, and the same or similar components as those described with reference to FIGS. Reference numerals are given, and duplicate descriptions are omitted.

4 is a perspective view of an antenna 200 constituting a mobile terminal according to an embodiment of the present invention.

The antenna 200 includes an insulating carrier 210 and a conductive pattern 220 disposed on the insulating carrier 210. The insulating carrier 210 may be formed of a resin injection molding, and supports the conductive pattern 220. The conductive pattern 220 may be formed of a material having high conductivity and excellent radiation characteristics, and may have a pattern such as a meander type or a spiral type in order to increase the electrical length of the antenna 200. Can be.

In addition, a feed part 221 and a ground part 222 for electrically connecting the circuit board are provided at the end of the conductive pattern 220 of the antenna 200.

The feed part 221 is an area in which the conductive pattern 220 is electrically connected to a feeding pad provided on a circuit board (control part) mounted inside the mobile terminal to transmit a signal to the conductive pattern 220. 222 is an area electrically connected to the ground pad provided on the circuit board to ground the current of the conductive pattern 220.

5 is a sectional view of principal parts of a mobile terminal according to the first embodiment of the present invention, FIG. 6 is a sectional view of main parts of a switch member constituting the mobile terminal according to the first embodiment of the present invention, and FIG. 7 is shown in FIG. It is sectional drawing of the principal part in the state which inserted switch member was inserted in the inside of a mobile terminal.

Specifically, FIG. 5A is a cross-sectional view illustrating main parts of an antenna disposed inside a mobile terminal, and FIG. 5B is a cross-sectional view for describing an electrical connection relationship between an antenna and a circuit board.

6A is a cross-sectional view for explaining the switch member, and FIG. 6B is a bottom view for explaining a power supply terminal and a ground terminal of the cable constituting the switch member.

7A is a cross-sectional view illustrating main parts for explaining a state in which the switch member is inserted into the mobile terminal, and FIG. 7B is a cross-sectional view for explaining the electrical connection between the switch member and the circuit board.

The mobile terminal according to the first embodiment of the present invention is provided with a case (101, 102) having an entry hole (103) and a circuit disposed in the case (101, 102), the power supply and ground pads 182, 183, respectively It is mounted in the substrate 180 and the case (101, 102), and includes a feed portion 221 for contacting the feed pad 182 and a ground portion 222 for contacting the ground pad 183 An antenna 200 is included.

In addition, the mobile terminal is inserted from the outside through the entry hole 103 to measure the wireless signal performance, the feed pad 182 and the feed unit 221 and the ground pad 183 and the ground unit 222 And a switch member 300 that cuts off the electrical connection, and is electrically connected to the feed pad 182 and the ground pad 183, respectively.

Referring to FIG. 5, the cases 101 and 102 may be divided into the front case 101 and the rear case 102 as described above, and the entry hole 103 may move the switch member 300. It serves as a passage for insertion into the terminal and may be formed in the front case 101 and / or the rear case 102 according to the position of the antenna 200 mounted in the mobile terminal.

In addition, the access hole 103 is a cover member (not shown) in order to prevent the penetration of foreign matters so that the entry hole 103 can be opened only when the switch member 300 is inserted to check the antenna performance. Can be closed).

In addition, the cases 101 and 102 are provided with reinforcement protrusions 104 and 105 formed along the edge of the entry hole 103, and the reinforcement protrusions 104 and 105 are provided through the entry hole 103. In addition to guiding the switch member 300 approaching, the switch member 300 performs a function of supporting the outer circumferential surface of the switch member 300 in a state where the switch member is inserted into the mobile terminal.

Referring to FIG. 5, the end portion of the conductive pattern 220 is bent, and the feed part and the ground parts 221 and 222 are configured by the bent parts.

An elastic crimping force may be applied between the feed part 221 and the power feeding pad 182 and between the ground part 222 and the ground pad 183, and thus an electrical connection relationship may be maintained firmly.

In addition, the access hole 103 is preferably provided to be close to the connecting portion of the antenna 200 and the circuit board 180.

Referring to FIG. 6, the switch member 300 surrounds a cable 320 having a feed terminal 321 and a ground terminal 322 and a partial region of the cable 320, and each terminal 321 and 322. It may include a housing 310 for exposing to the outside.

In addition, the housing 320 may have front end portions 311 and 312 for enclosing a portion of the circuit board 180 provided with the feed pads and the ground pads 182 and 183.

6 and 7, the front end portions 311 and 312 of the housing 320 are opposite to the first front end portion 311 corresponding to the first surface of the circuit board 180 and the first surface. It may be divided into a second front end portion 312 corresponding to the second surface of the 180.

A predetermined space portion 313 is provided between the first and second tip portions, and a circuit board is formed in the space portion 103 while the switch member 300 is inserted into the mobile terminal through the entry hole 103. Some area of 180 is received.

As described above, the switch member 300 is supported by some regions such as the first and second surfaces of the circuit board 180 in a state of being inserted into the mobile terminal, thereby maintaining a stable state.

 In addition, the tip portions 311 and 312 may be formed of a metal material for strength reinforcement, and as shown in FIG. 6, the financial terminal 321 and the ground terminal 322 may be formed of the tip portions 311 and 312. Each may be disposed on the inner circumferential surface.

6 and 7, when the switch member 300 is inserted into the mobile terminal from the outside through the entry hole 103 to measure the radio signal performance, the outer circumferential surface of the tip portion, for example, the first tip portion Electrical connection between the feed pad 182, the feed part 221, and the ground pad 183 and the ground part 222 is cut off by the 311.

In addition, a portion of the circuit board 180 is accommodated in the space 313 of the housing 310, and the feed terminal 321 and the feed pad exposed to the inner circumferential surface of the front end portion, for example, the first front end portion 311. 182 is electrically connected, and the ground terminal 322 and the ground pad 183 are electrically connected.

Therefore, the signal line of the circuit board flows through the switch member 300, and the user can test the performance of the antenna of the mobile terminal.

FIG. 8 is a sectional view of principal parts of a mobile terminal according to a second embodiment of the present invention, FIG. 9 is a sectional view showing main parts of a switch member constituting the mobile terminal according to the second embodiment of the present invention, and FIG. The main part is a cross-sectional view of the main part with the illustrated switch member inserted into the mobile terminal. Hereinafter, the same members as those described in the first embodiment will be denoted by the same reference numerals, and detailed description thereof will be omitted.

Specifically, FIG. 8A is a cross-sectional view illustrating main parts of an antenna disposed inside a mobile terminal, and FIG. 8B is a cross-sectional view for describing an electrical connection relationship between an antenna and a circuit board.

9A is a cross-sectional view for explaining the switch member, and FIG. 9B is a bottom view for explaining a power supply terminal and a ground terminal of the cable constituting the switch member.

The mobile terminal according to the second exemplary embodiment of the present invention includes a circuit board 180 having casings 101 and 102 having an access hole 103 and disposed in the casing, and having a feeding pad 182 and a ground pad 183, respectively. ).

The mobile terminal also includes an antenna 500 and a switch member 400.

The antenna 500 is a carrier 510 mounted in the cases 101 and 102 and a first feed part 521 disposed on the carrier 510 and electrically connected to the pads 182 and 183. And a first conductive pattern 520-1 having a first ground portion (not shown) and a second conductive pattern 520-2 electrically connected to the first conductive pattern 520-1.

That is, the antenna 200 described in the first embodiment is provided in a state where the feed portion and the ground portion are bent at the end portions of one conductive pattern connected continuously, but the antenna 500 described in the second embodiment includes The first conductive patterns and the second conductive patterns 520-1 and 520-2 are separated from each other, and the first and second conductive patterns 520-1 and 520-2 are electrically connected to each other. Is placed on.

Accordingly, at one end of the first conductive pattern 520-1, a first feed part 521 and a first ground part (not shown) electrically connected to the pads 182 and 183 of the circuit board 180. Are each provided in a bent state, and the other end of the first conductive pattern 520-1 is electrically connected to one end of the second conductive pattern 520-2.

On the other hand, the carrier 510 is provided with a recessed portion 512, and the first conductive pattern 520-1 and the second conductive pattern 520-2 described above are electrically connected in the recessed portion 512. do.

Each of the first and second conductive patterns 520-1 and 520-2 may be disposed in the recessed portion with each end portion bent. As described above, the first and second conductive patterns 520-1 and 520-2 can maintain a firm coupling force through the compressive force by elasticity. have.

The depression 512 provides a space for connecting the first conductive pattern and the second conductive pattern, and provides a space into which the switch member 400 described above is inserted.

In addition, the mobile terminal cuts off the electrical connection of the first and second conductive patterns 520-1 and 520-2 in the state inserted from the outside through the entry hole 103 in order to measure the wireless signal performance. The switch member 400 is electrically connected to the first conductive pattern 520-1.

In addition, the entry hole 103 is preferably provided to be close to the depression 511 of the carrier 510.

In addition, the access hole 103 is a cover member (not shown) in order to prevent the penetration of foreign matters so that the entry hole 103 can be opened only when the switch member 400 is inserted to check the antenna performance. Can be closed).

In addition, the cases 101 and 102 are provided with reinforcement protrusions 104 and 105 formed along the edge of the entry hole 103, and the reinforcement protrusions 104 and 105 are provided through the entry hole 103. In addition to guiding the switch member 400 approaching, the switch member 400 serves to support the outer circumferential surface of the switch member 400 in a state where the switch member is inserted into the mobile terminal.

The switch member 500 surrounds a cable 420 having a feed terminal 421 and a ground terminal 422, and a portion of the cable 420, and exposes the terminals 421 and 422 to the outside. 410.

When the switch member 400 is accommodated in the recess 511 of the carrier 510 through the entry hole 103, the first conductive pattern 520-1 and the first conductive pattern 520-1 are formed by the front end of the housing of the switch member 400. The electrical connection relationship between the two conductive patterns 520-2 is cut off, and the feed terminal 421 is electrically connected to the other end of the first feed part 521 of the first conductive pattern 520-1. The ground terminal 422 is electrically connected to the other end portion of the first ground portion of the first conductive pattern 520-1.

Therefore, the signal line of the circuit board flows through the switch member 400, and the user can test the performance of the antenna of the mobile terminal.

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.

100: mobile terminal 101, 102: case
103: entrance hole 105: reinforcement projection
200, 500: antenna 300, 400: switch member
210, 510: carrier 220, 520: conductive pattern
310, 410: housing 320, 420: cable
321, 421: Feed terminal 322, 422: Ground terminal

Claims (14)

A case having an entry hole;
A circuit board disposed in the case and provided with a power supply and a ground pad, respectively;
An antenna mounted in the case and including a feed part for contacting the feed pad and a ground part for contacting the ground pad; And
In order to measure wireless signal performance, the switch member is electrically connected to the feed pad and the ground pad, respectively, and is electrically connected to the feed pad and the ground pad, respectively, in the state inserted from the outside through the entry hole. Mobile terminal comprising a. The method of claim 1, wherein the switch member,
A cable having a feed terminal and a ground terminal; And
And a housing surrounding a portion of the cable and exposing each terminal to the outside. The method of claim 2,
The housing has a front end portion for enclosing a portion of the circuit board, each pad is provided. The method of claim 3, wherein
The front end is a mobile terminal, characterized in that formed of a metal material. In the fourth,
And a feed terminal and a ground terminal are respectively disposed on the inner circumferential surface of the distal end portion. The method of claim 1,
The case is provided with a reinforcement protrusion formed along the edge of the entry hole. The method of claim 1,
The access hole is a mobile terminal, characterized in that provided in close proximity to the connection portion of the antenna and the circuit board. The method of claim 1,
The antenna includes an insulating carrier and a conductive pattern disposed on the carrier,
And the feed part and the ground part are respectively provided at end portions of the conductive pattern. A case having an entry hole;
A circuit board disposed in the case and provided with a power supply and a ground pad, respectively;
A first conductive pattern having a carrier mounted in the case, a first feed part and a first ground part disposed on the carrier and electrically connected to the respective pads, and a second conductive pattern electrically connected to the first conductive pattern; An antenna comprising; And
In order to measure the performance of the wireless signal, a mobile terminal comprising a switch member for blocking the electrical connection of the first and second conductive patterns in the state inserted from the outside through the entry hole, and electrically connected to the first conductive pattern. The method of claim 9, wherein the switch member,
A cable having a feed terminal and a ground terminal; And
And a housing surrounding a portion of the cable and exposing each terminal to the outside. The method of claim 9,
The carrier is provided with a depression, the mobile terminal characterized in that the first and second conductive patterns are electrically connected in the depression. The method of claim 11,
And the first and second conductive patterns are disposed in the depression with each end portion bent. The method of claim 9,
A mobile terminal characterized in that the entry hole is provided to be close to the depression of the carrier. The method of claim 9,
The case is provided with a reinforcement protrusion formed along the edge of the entry hole.

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