KR101537697B1 - Portable terminal - Google Patents

Abstract

The present invention relates to a mobile terminal comprising: a terminal body; An earphone jack mounted inside the terminal body and having an earphone plug inserted therein; And a cap mounted on the terminal body so as to cover the ear jack, wherein the ear jack includes: a main body having an insertion hole into which the earphone plug is inserted; A cap mounting portion formed at a front end of the main body and providing a mounting space for the cap; And a connection terminal disposed at an inlet of the insertion hole and contacting the outer circumferential surface of the earphone plug when the earphone plug is inserted.

Description

[0001] PORTABLE TERMINAL [0002]

The present invention relates to a portable terminal having ear jacks for connecting earphones.

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

As the functions of the portable terminal are diversified, for example, the portable terminal has complicated functions such as photographing and photographing of a moving picture, reproduction of music or video file, reception of a game and broadcasting, and is implemented as a multimedia device .

In order to realize such a multimedia function, it is common that a portable terminal is provided with an ear jack for connection with an earphone, in addition to a speaker. In recent years, an ear jack capable of applying a 3.5 pi (pi) earphone plug to increase the output of sound has been increasingly mounted on portable terminals.

1A is a perspective view of an earphone and an ear jack having a 3.5 pi (pi) earphone plug having a general shape, and Fig. 1B is a sectional view of a portable terminal showing an earphone plug mounted in an ear jack.

The earphone 10 includes an earphone plug 11 of a conductive material and a grip portion 12 of a non-conductive material formed at an end portion of the earphone plug 11. Here, the 3.5 phi earphone plug 10 has an internationally standardized length d.

The ear jack 20 is mounted on the printed circuit board 31 inside the terminal body 30 and the jack 20 is formed with an insertion hole 21 into which the earphone plug 11 is inserted. The ear jack 20 needs to have a certain length because of the length d of the earphone plug 10.

As shown in FIG. 1B, in order to miniaturize the portable terminal, an inlet portion 22 defining an inlet of the insertion hole 21 is generally protruded or exposed to the outside of the terminal body 30. In this case, foreign matter may enter the ear jack 20. In addition, in order to prevent the occurrence of such a problem, it is difficult to apply the cap covering the jack 20 to the terminal body 30.

There may be a method in which the size of the ear jack 20 is reduced or the ear jack 20 is moved to the inside of the terminal body 30 in order to provide a space for arranging the cap. However, it is difficult to reduce the size of the ear jack 20 due to the limitation of the length of the ear jack 20. [ In addition, when the earphone 20 is moved to the inside of the terminal body 30, interference occurs between the terminal body 30 and the grip portion 22 when the earphone 10 is inserted, It is necessary to form an arrangement space for the terminal body 12, which may render the appearance of the terminal body 30 unfamiliar.

The present invention provides a portable terminal having an ear jack for connecting earphones of a standardized size, in which a cap for covering ear jacks can be applied.

According to an aspect of the present invention, An earphone jack mounted inside the terminal body and having an earphone plug inserted therein; And a cap mounted on the terminal body so as to cover the ear jack, wherein the ear jack includes: a main body having an insertion hole into which the earphone plug is inserted; A cap mounting portion formed at a front end of the main body and providing a mounting space for the cap; And a connection terminal disposed at an inlet of the insertion hole and contacting the outer circumferential surface of the earphone plug when the earphone plug is inserted.

A cap mounting groove for mounting the cap may be formed on one surface of the terminal body, and the main body may be disposed inside the cap mounting groove.

The body portion may be disposed such that the cap mounting portion is positioned on a mounting groove of the terminal body.

The earphone plug has a standard length, and the body portion may have a length shorter than the length of the plug portion.

The body portion further includes first and second speaker terminals arranged in order from the inside of the insertion hole and a ground terminal disposed outside the second speaker terminal, and the connection terminal is disposed outside the ground terminal Lt; RTI ID = 0.0 > a < / RTI >

At least one cutting portion for preventing interference with the terminal body may be formed on the body portion.

The ear jack may further include a fastening portion extending from one side of the main body and fastening the main body to a printed board mounted inside the terminal body.

The present invention realizes a structure capable of applying a cap for covering a ear jack to a terminal by forming a cap attaching portion in a main body portion of an ear jack accommodating an earphone plug having a standardized size.

In addition, the present invention can minimize the influence of reduction in the length of the main body portion by providing a connection terminal in the insertion hole inlet portion that contacts the earphone plug.

In addition, the present invention realizes a structure in which a fastening part is formed in a main body part to strengthen a fastening force with a printed circuit board, and a cutting part is formed in the main body part to prevent interference with a terminal body.

Hereinafter, a portable terminal according to the present invention will be described in detail with reference to the drawings.

2 is a perspective view showing an example of the portable terminal 100 according to the present invention.

The portable terminal of the present invention includes a first body 110 and a second body 120 that is slidable along at least one direction on the first body 110. Hereinafter, a slide type terminal in which first and second bodies are slidably connected will be described, but the present invention can be applied to terminals having various structures such as a bar type, a folder type, a swing type, and a swivel type.

The first body 110 may be referred to as a closed configuration in which the first body 110 and the second body 120 are overlapped with each other and the first body 110 may be referred to as a second body 120 ) May be referred to as an open configuration.

The mobile terminal 100 operates mainly in the standby mode in the closed state, but the standby mode is also released by the user's operation. Then, the portable terminal 100 operates mainly in a communication mode in an open state, but is also switched to a standby mode by a user's operation or after a predetermined time elapses.

The casing (casing, housing, cover, etc.) constituting the outer appearance of the first body 110 is formed by the front case 11 and the rear case 12. Various electronic components are embedded in the space formed by the front case 110 and the rear case 120. [

At least one intermediate case may be further disposed between the front case 110 and the rear case 120.

The cases may be formed by injection molding a 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 113, the first sound output unit 114, the first image input unit 115, or the first operation unit 116 may be disposed in the first body 110, specifically, the front case 111. [

The display unit 113 includes a liquid crystal display (LCD) module, an OLED (Organic Light Emitting Diodes) module, etc. that visually express information, and the display unit 113 further includes a touch screen, It may also be possible to input information.

The first image output unit 114 may be implemented as a receiver or a speaker. The first image input unit 115 may be implemented as a camera module for capturing an image or a moving image of a user Can be implemented.

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

The front case 121 and the rear case 122 may form the case of the second body 120, as in the case of the first body 110. [ The second operation unit 123 may be disposed on the front surface of the second body 120, specifically, the front case 121.

At least one of the front case 121 and the rear case 122 may include a third operating unit 124, an acoustical input unit 125, and an interface 126.

The first to third operating portions 116, 123, and 124 may be collectively referred to as a manipulating portion and may be employed in any manner as long as the user operates in a tactile manner.

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

In terms of functions, the first operation unit 116 is for inputting commands such as start, end, and scrolling, and the second operation unit 123 is for inputting numbers, characters, symbols, and the like. In addition, the third operation unit 124 may operate as a hot-key for performing a special function such as activation of the first image input unit 15 or the like.

The sound input unit 125 may be implemented in the form of a microphone, for example, in order to receive voice, sound, etc. of the user.

The interface 126 is a path through which the portable terminal related to the present invention can exchange data with an external device. For example, the interface 126 may be a wired or wireless port for short range communication (e.g., an IrDA port, a Bluetooth port, a wireless LAN port, etc.) And at least one of power supply terminals for supplying power to the portable terminal.

The interface 126 may be a card socket that accepts an external card such as a subscriber identification module (SIM) or a user identity module (UIM), a memory card for information storage, and the like.

A power supply 127 for supplying power to the portable terminal is mounted on the rear case 122 side. The power supply 127 may be detachably coupled, for example, for charging, as a rechargeable battery, for example.

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

Referring to FIG. 3, a second image input unit 128 may be further mounted on a rear surface of the rear case 122 of the second body 120. The second image input unit 128 may have a photographing direction substantially opposite to that of the first image input unit 15 (see FIG. 1), and may be a camera having different pixels from the first image input unit 115.

For example, the first image input unit 115 has low pixels so that the face of the user can be photographed and transmitted to the other party in case of a video call or the like, and the second image input unit 128 photographs a general object, It is preferable to have a high pixel because it is often not transmitted.

A flash 129 and a mirror 130 are further disposed adjacent to the second image input unit 128. The flash 129 illuminates the subject when the subject is photographed by the second image input unit 128. The mirror unit 130 allows the user to illuminate the user's own face or the like when the user intends to take a picture of himself / herself (self-photographing) using the second image input unit 128.

And the second sound output unit 131 may be further disposed in the rear case 122. [

The second sound output unit 131 may implement a stereo function together with the first sound output unit 114 (see FIG. 1), and may be used for talking in a speakerphone mode.

Further, on one side of the rear case 122, a broadcast signal receiving antenna 132 may be disposed in addition to an antenna for communication. The antenna 132 may be installed to be detachable from the second body 120.

A part of the slide module 133 which slidably couples the first body 110 and the second body 120 is disposed on the rear case 112 side of the first body 110.

The other part of the slide module 133 may be disposed on the front case 121 side of the second body 120 and may not be exposed to the outside as in this figure.

In the above description, the second image input unit 128 and the like are disposed in the second body 120, but the present invention is not limited thereto. For example, at least one of the configurations 128 to 132 described as being arranged in the rear case 122, such as the second image input unit 128, is connected to the first body 110, mainly the rear case 112 It is also possible to mount it. In such a case, there is an advantage that the configuration (s) disposed in the rear case 112 in the closed state is protected by the second body 120. Further, the first image input unit 115 may be rotatably formed so that the second image input unit 128 can be photographed up to the second image input unit 128, even if the second image input unit 128 is not separately provided.

The second body 120 is provided with an ear jack 150 for connection with the earphone 140 and a cap 160 covering the ear jack 150.

The earphone 140 is for outputting a sound signal transmitted from the portable terminal and can be detachably attached to the ear jack 150. The earphone 140 includes an earphone plug 141 of a conductive material inserted into the ear jack and a grip portion 142 of an insulating material formed at an end portion of the earphone plug 141. Here, the earphone plug 141 is a 3.5 pi plug, and can have a standardized size and length.

The cap 160 is mounted on the second body 120 so as to cover the insertion hole of the ear jack 150 and may be detachably mounted on the second body 120 or may be moved relative to the second body 120, Slide movement, etc.).

FIG. 4 is a perspective view showing the internal structure of the portable terminal shown in FIG. 3, and FIG. 5 is a perspective view showing a state in which an earphone plug is inserted into an ear jack. 6 is a perspective view of an ear jack according to an embodiment of the present invention, and Fig. 7 is a perspective view of an ear jack showing a shape of a cap attaching portion.

4 to 6, the ear jack 150 includes a body portion 151, a cap mounting portion 152, and a connection terminal 153.

The main body 151 may be formed in a box shape and has an insertion hole 154 into which the earphone plug 141 is inserted. The insertion hole 154 is formed in a shape corresponding to the outer peripheral surface of the earphone plug 141. The insertion hole 154 serves as a passage through which the earphone plug 141 is inserted and supports the earphone plug 141 when the earphone plug 141 is inserted.

A cap mounting groove 136 for mounting the cap 160 is formed in the second body 120 and a main body portion 151 is disposed inside the cap mounting groove 136. The main body part 151 can be mounted on the printed circuit board 135 inside the second body so that the entrance of the insertion hole 154 faces the cap mounting groove 136. [

7, the cap mounting portion 152 is formed at the tip of the main body portion 151 to provide a mounting space for the cap 160. As shown in Fig. The cap mounting portion 152 is formed in a space corresponding to the inlet portion 22 of Fig. 1A, as indicated by a dotted line in Fig. That is, the cap mounting portion 152 can be formed in the space from which the inlet portion 22 is removed.

The main body portion 151 is disposed so that the cap mounting portion 152 is positioned on the cap mounting groove 136. [ The main body 151 may have a length d shorter than the length d of the earphone plug 141, specifically, the length d from the end of the earphone plug 141 to the engaging protrusion 143. Therefore, the earphone plug 141 is not inserted into the main body 151 by the entire length d, and a part thereof is not inserted. A structure for supporting the uninserted portion of the earphone plug 141 and guiding the insertion of the earphone plug 141 may be formed around the cap mounting groove 136 of the second body 120.

The connection terminal 153 is disposed at the entrance 155 of the insertion hole 154 and extends toward the printed circuit board 135 to be connected to the printed circuit board 135. The connection terminal 153 contacts the outer circumferential surface of the earphone plug 141 when the earphone plug 141 is inserted to electrically connect the earphone plug 141 and the printed circuit board 135.

The connection terminal 153 related to the present invention is positioned at the tip of the main body part 151 so as to correspond to a decrease in the length of the main body part 151 without being located inside the main body part 151. [ At the end of the connection terminal 153, a protrusion 153a contacting the earphone plug may be formed.

The body portion 151 may be formed with a support wall 156 for supporting at least a part of the connection terminal 153. The support wall 156 has a first surface 156a facing the earphone plug 141 and a second surface 156b facing the drawing direction of the earphone plug 141 when the earphone plug 141 is inserted. The end of the connection terminal 153 is arranged to be spaced apart from the first surface 156a by a predetermined distance and is configured to be elastically deformed by contacting the earphone plug 141 when the earphone plug 141 is inserted. The first surface 156a of the support wall 156 supports the end of the connection terminal 153 so that the connection terminal 153 is not deformed beyond a certain distance.

The body portion 151 is formed with a cutting portion 158 'for preventing interference with the inner wall surface of the second body 120. The cutting portion 158 'is provided for eliminating the interference between the main body 151 and the second body 120 as the ear jack 150 is arranged as close as possible to the inner wall surface of the second body 120. This can alleviate the restriction of the arrangement space of the main body portion due to the reduction of the length of the main body portion 151. [ The cutting portion 158 'may be formed in various shapes according to the inner wall shape of the second body 120, or may be formed around the front end of the body portion 151.

On one side of the body portion 151, a fastening portion 158 for fastening the body portion 151 to the printed circuit board 135 may be formed. The fastening portion 158 may be formed to extend in one direction from the side surface of the body portion 151. The fastening portion 158 may be formed with a screw hole 159 for screw tightening. The main body 151 can be fixed to the printed circuit board 135 by surface mounting the connection terminals 153 on the printed circuit board 135. The main body 151 can be further fixed to the main body 151 So that the lowering of the fastening force due to the reduction of the length of the main body 151 is reinforced.

8 is a sectional view of the ear jack with the jack plug inserted.

In this embodiment, it is assumed that the earphone plug 141 has the first to fourth poles 141a to 141d, and a partition line of an insulating material is formed between the poles. The first to fourth poles 141a to 141d may be implemented in the form of an L-pole, an R-pole, a ground pole, and a microphone pole, respectively.

A plurality of terminals, which are in contact with the earphone plug 141, are disposed inside the body 151. The plurality of terminals are configured to respectively contact the poles of the earphone plug 141 when the earphone plug 141 is inserted.

The terminals include a first speaker terminal 171a, a second speaker terminal 171b, and a ground terminal 171c, which are disposed in order from the inside of the insertion hole 154.

The first and second speaker terminals 171a and 171b are brought into contact with the L-pole 141a and the R-pole 141b of the earphone plug 141 so that signals related to the sound are transmitted to the right and left speakers of the earphone 140 do. The ground terminal 171c is in contact with the ground pole 141c of the earphone plug 141 when the earphone plug 141 is inserted.

The connection terminal 153 disposed at the entrance of the insertion hole 154 described above may be embodied as a microphone terminal 153. The microphone terminal 153 is brought into contact with the microphone pole 141d of the earphone plug 141 when the earphone plug 141 is inserted.

The first speaker terminal 171a, the second speaker terminal 171b, the ground terminal 171c and the microphone terminal 153 may extend to the printed circuit board 135 and may be surface mounted on the printed circuit board 135 .

9 is a perspective view showing a connection terminal of an ear jack according to another embodiment of the present invention.

The ear jack associated with this embodiment has the same configuration as the previous embodiment except for the connection terminal 253. The description of the same configuration as the previous embodiment will be omitted from the above description.

The connection terminal 253 related to the present embodiment has a bent portion 253b bent from the first surface 156a toward the second surface 156b. With this structure, the end of the connection terminal 253 is supported by the second surface 156b of the support wall 156. [

Since the connection terminal 253 related to the present invention is exposed to the outer surface of the main body 151, it is likely to come into contact with the end of the earphone plug 141 in the process of inserting the earphone plug 141. The connection terminal 253 is held by the second surface 156b so that it is prevented from being bent or permanently deformed as it comes into contact with the end portion of the earphone plug 141. [

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

10, a portable terminal according to an exemplary embodiment of the present invention includes a wireless communication module 181, operation units 116, 123 and 124, image input units 115 and 128, an acoustic input unit 125, a display unit 113, A sensing unit 186, an interface 126, a broadcast receiving module 185, a memory 184, a power supply unit 127, and a control unit 180.

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

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

The operation units 116, 123, and 124 are configured as shown in FIG. 1, and provide the control unit 180 with key input data that the user inputs for controlling the operation of the terminal. The operation units 116, 123, and 124 include a dome switch, a touch pad (static / static), a jog wheel, a jog switch, and the like.

The image input units 115 and 128 process image frames such as still images or moving images obtained by the image sensor in the video communication mode or the photographing mode. The processed image frame is converted into image data that can be displayed on the display unit 113 and output to the display unit 113.

The image frames processed by the image input units 115 and 128 are stored in the memory 184 under the control of the control unit 180 or transmitted to the outside through the wireless communication module 181. [

The sound input unit 125 receives an external sound signal by a microphone in a communication mode, a recording mode, a voice recognition mode, and the like, and processes it as electrical voice data. The processed voice data is converted into a form that can be transmitted to the mobile communication base station via the wireless communication module 181 in the communication mode, and is output to the wireless communication module 181. In the record mode, the processed voice data is output to be stored in the memory 184. [

The sound input unit 125 may be implemented with various noise reduction algorithms for eliminating noise generated in the process of receiving an external sound signal.

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

The sound output units 114 and 131 receive sound data received from the wireless communication module 181 under control of the control unit 180 in a call signal reception mode, a communication mode or a recording mode, a voice recognition mode, Converts the stored sound data and outputs it to the outside.

In addition, the sound output units 114 and 131 output sound signals related to functions (e.g., call signal reception sound, message reception sound, etc.) performed in the portable terminal.

The sensing unit 186 senses the current state of the portable terminal, such as the open / close state of the portable terminal, the position of the portable terminal, whether or not the user touches the portable terminal, and generates a sensing signal for controlling the operation of the portable terminal. For example, if the portable terminal is in the form of a slide phone, it senses whether the slide phone is opened or closed, and outputs the sensing result to the controller 180 so that the operation of the terminal is controlled. And a sensing function related to whether or not the power supply 127 is powered on, whether the interface 126 is coupled to an external device, and the like.

The interface 126 may be any type of interface card such as a wired / wireless headset, an external charger, a wired / wireless data port, a card socket (e.g. a memory card, a SIM / UIM card) It serves as an interface with the device. The interface 126 receives data from an external device or receives power from the external device, transfers the data to each component in the portable terminal, or transmits data in the portable terminal to an external device.

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

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

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

The broadcast receiving module 185 receives broadcast signals transmitted through satellite or terrestrial waves and converts the received broadcast signals into broadcast data types that can be output to the sound output units 114 and 131 and the display unit 113 and outputs the broadcast data formats to the controller 180. In addition, the broadcast receiving module 185 receives additional data (e.g., EPG (Electric Program Guide), channel list, etc.) related to broadcasting. The broadcast data and the additional data converted by the broadcast receiving module 185 may be stored in the memory 184. [

The power supply unit 127 receives external power and internal power under the control of the controller 180 and supplies power necessary for operation of the respective components.

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

FIG. 1A is a perspective view of an earphone and ear jack having a 3.5 pi (pi) earphone plug having a general shape; FIG.

1B is a cross-section of a mobile terminal in which an earphone plug is shown mounted to an ear jack;

2 is a rear perspective view of a portable terminal according to an embodiment of the present invention;

3 is a perspective view of a plug and ear jack of an earphone according to an embodiment of the present invention;

4 is a perspective view showing the internal structure of the portable terminal shown in FIG.

5 is a perspective view showing a section of a state in which an earphone plug is inserted into an ear jack;

6 is a perspective view of an ear jack in accordance with one embodiment of the present invention;

7 is a perspective view of an ear jack showing the shape of a cap mounting portion;

8 is a sectional view of the ear jack with the jack plug inserted thereafter;

9 is a perspective view showing a connection terminal of an ear jack according to another embodiment of the present invention;

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

Claims (10)

Terminal body; An earphone jack mounted inside the terminal body and having an earphone plug inserted therein; And And a cap mounted on the terminal body to cover the ear jack, The ear jack, A main body having an insertion hole into which the earphone plug is inserted; A cap mounting portion formed at a front end of the main body and providing a mounting space for the cap; And And a connection terminal disposed at an inlet of the insertion hole and contacting the outer circumferential surface of the earphone plug when the earphone plug is inserted. The method according to claim 1, A cap mounting groove for mounting the cap is formed on one surface of the terminal body, And the main body is disposed inside the cap mounting groove. The method according to claim 1, Wherein the main body part is disposed such that the cap mounting part is positioned on a mounting groove of the terminal body. The method according to claim 1, The earphone plug has a standard length, Wherein the main body part has a length shorter than a length of the earphone plug. The method according to claim 1, The main body further includes first and second speaker terminals arranged in order from the inside of the insertion hole and a ground terminal disposed outside the second speaker terminal, And the connection terminal is a microphone terminal disposed outside the ground terminal. The method according to claim 1, Wherein the main body portion is formed with a support wall for supporting at least a part of the connection terminal. The method according to claim 6, Wherein the supporting wall has a first surface facing the earphone plug when the earphone plug is inserted and a second surface facing the drawing direction of the earphone plug, Wherein the connection terminal has a bent portion bent toward the second surface from the first surface so as to be supported by the second surface. The method according to claim 1, Wherein at least one cutting portion for preventing interference with the terminal body is formed on the body portion. 2. The earphone according to claim 1, Further comprising a fastening portion extending from one surface of the main body and fastening the main body to a printed board mounted inside the terminal body. 10. The method of claim 9, Wherein the fastening portion is formed with a screw hole for fastening the screw.

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