KR20090025065A

KR20090025065A - Portable digital device

Info

Publication number: KR20090025065A
Application number: KR1020070090120A
Authority: KR
Inventors: 서동민
Original assignee: 엘지전자 주식회사
Priority date: 2007-09-05
Filing date: 2007-09-05
Publication date: 2009-03-10

Abstract

A portable digital apparatus for converting electric signal into voice signal is provided to position a speaker on a mounting part formed in a rear of a body without exposing a speaker grill to the exterior of the body. A mounting part(16) is formed in the rear of a body(10) to be stepped. A speaker(28) is installed to be rotated in the main body in order to be selectively positioned in the front side or the settling portion of the main body. A speaker grill(34) is formed in single-side in order to face the settling portion in a state where the speaker is mounted on the mounting part.

Description

Portable digital device

The present invention relates to a portable digital device, and more particularly, to a portable digital device for converting an electrical signal into a voice signal.

With the recent development of multimedia technology, the demand for devices for reproducing them also increases. In addition, in order to easily utilize and enjoy various contents, recently, devices that can reproduce and utilize such multimedia data anytime, anywhere while storing and carrying various multimedia data have been introduced.

So-called Portable Multimedia Players (PMPs), which are capable of playing not only audio data such as MP3 (MP3) but also video data such as AVI and MPG, It is equipped with a high capacity storage device and is a portable digital device with high utilization as a portable storage device.

Such portable digital devices generally output their voices to the outside using earphones. Recently, products using speakers mounted inside the device are being introduced in parallel with the earphones.

1 is a perspective view showing the configuration of a portable digital apparatus according to the prior art.

As shown in this figure, the case 1 constituting the external appearance of the portable digital device has a substantially hexahedral shape. Inside the case 1, a configuration necessary for the operation of the device, such as various memories (ROM and RAM), an interrupt controller and a battery, is provided.

The front surface of the case 1 is provided with a display portion 3 of a substantially rectangular shape. The display unit 3 is configured by a liquid crystal panel or the like provided inside the case 1, and part of the display unit 3 is transparent so that the contents displayed on the liquid crystal panel are visible on the front surface of the case 1. The display unit 3 displays an operation state of the portable digital device or an image according to the execution of the multimedia file.

One side of the case 1 is provided with a speaker (5). The speaker 5 serves to output the sound of the music or video being played to the outside. Therefore, even when the user loses a separate voice output device such as an earphone, voice data can be output through the speaker 5.

The portable digital apparatus according to the related art having such a configuration is provided with an input unit (not shown) for operating the apparatus, such as a button array or a touch screen. The user may control the operation of the device by operating the input unit. In this case, the display unit 3 displays a screen according to the result of the processing of the image data, and audio is output to the speaker 5.

However, there are the following problems in the portable digital apparatus according to the prior art as described above.

First, in the prior art, the speaker 5 is provided at the front of the case 1 to smoothly transmit the output voice to the user. However, the speaker 5 has a problem that damages the appearance of the product.

In addition, in the use of such a portable digital device according to the prior art, while carrying, while carrying simply through a pocket or the like to watch terrestrial DMB (DMB) and the like, there is a problem that is not easy to mount.

The present invention is to solve the problems of the prior art as described above, an object of the present invention is to prevent the speaker grill is exposed to the outside in a portable digital device.

Another object of the present invention is to allow a portable digital device to be mounted on a plane such as a desk at an angle, so that the viewing of the user is made in a comfortable posture.

According to a feature of the present invention for achieving the object as described above, the present invention includes a main body is provided with a stepped mounting portion on the back; It is configured to include a speaker rotatably installed in the main body to selectively position the front or the seating portion of the main body, the speaker grill is formed on one surface to face the seating portion in a state seated in the seating.

A support for selectively supporting the main body is rotatably provided on the rear surface of the main body.

Protrusions are formed at corresponding positions of the main body and the speaker, respectively, and connectors for connecting between the protruding portions are rotatably provided at both sides of each of the protruding portions.

A contact surface for electrically connecting the inside of the speaker and the main body is formed on a corresponding surface of each of the protrusion and the connector in contact with each other.

The rear surface of the main body in which the seating portion is formed is formed by recessing the support seating recess in which the support is selectively seated.

The support is provided with an extended portion for selectively extending the length of the support to be slidable into and out of the support.

According to another feature of the invention, the present invention and the main body is formed to be stepped on the rear surface; A speaker rotatably installed in the main body to be selectively positioned in front of the main body or the seating part; It is rotatably installed in the seating portion, and comprises a support for selectively supporting the main body when the speaker is located in front of the main body.

According to the present invention, when the portable digital device is not used, the speaker is placed on a seating portion formed on the rear surface of the main body so that the speaker grill is not exposed to the outside of the main body. Therefore, there is an effect that the appearance of the device is beautiful.

In addition, in the present invention, since the portable digital device can be mounted on a desk or the like by using the support, the user's convenience is increased.

Hereinafter, exemplary embodiments of a portable digital device according to the present invention having the configuration as described above will be described in detail with reference to the accompanying drawings.

2 is an exploded perspective view showing the configuration of a preferred embodiment of a portable digital device according to the present invention, Figure 3 is a perspective view showing a coupling state of the portable digital device according to the present invention.

As shown in these figures, the main body 10 forming the appearance of the portable digital device is formed in a substantially flat hexahedral shape. The main body 10 is provided with components necessary for the operation of the device such as various memories (ROM and RAM), an interrupt controller, a main board and a battery.

The front surface of the main body 10 is provided with a substantially rectangular display portion 12. The display unit 12 is configured by a liquid crystal panel or the like provided in the case 10, and part of the display unit 12 is transparent so that the contents displayed on the liquid crystal panel are visible on the front surface of the main body 10. The display unit 12 displays an operation state of a portable digital device or an image according to execution of a multimedia file.

The display unit 12 uses a touch screen method to reduce the thickness of the device.

In general, the touch screen includes an LCD (Liquid Crystal Display) panel is provided on the back of the touch glass on which the electrode is printed or vacuum-deposited. Since the touch screen module can be easily configured by those skilled in the art, a detailed description thereof will be omitted.

One end of the main body 10 is formed to protrude a first projection (14). Both side surfaces of the first protrusion 14 are formed to be stepped with the main body 10. A portion of the connector L to be described below is positioned at both sides of the first protrusion 14.

First hinge holes 14 ′ are recessed on both sides of the first protrusion 14. The hinge pin P, which will be described below, is inserted into the first hinge hole 14 ′ through the connector L.

A seating portion 16 is formed to be stepped with the main body 10 on one rear surface of the main body 10 on which the first protrusion 14 is formed. The seating portion 16 is selectively mounted to the speaker 28 to be described below.

A support seating recess 18 is recessed in the rear surface of the main body 10 in which the seating portion 16 is formed, as shown in FIG. 6. The support seating groove 18 is selectively seated support 20 to be described below.

The support 20 is rotatably provided in the support seating groove 18. The support 20 is formed in a substantially rectangular plate shape. The support 20 rotates to form a predetermined inclination angle with the main body 10, as shown in FIG. As such, the support 20 selectively supports the main body 10 to serve as a holder.

One end of the support 20 is provided with an extension 22. The extension part 22 is slidably coupled to the inside and the outside of the support 20. The extension part 22 slides in and out of the support 20 when a constant force is applied. Of course, when the extension part 22 supports the main body 10 together with the support 20, the extension part 22 extends into and out of the support 20 only by its own weight of the main body 10. It is not sliding.

The extension part 22 is selectively used to form an inclination angle suitable for the use situation of the portable digital device. As such, the situation in which the extension part 22 is selectively used can be seen by comparing FIGS. 5 and 7.

The support 20 may be empty in the middle, as shown in Figure 1, to save material. The support 20 is seated in the support seating groove 18 when not in use.

The main body 10 is provided with a connector (L) rotatably by a hinge pin (P). More specifically, the center is penetrated by the hinge pins (P, P ') in a state where the connector (L) is located on the side of the first protrusion 14, the inner both ends of the connector (L) is hinged Supported by pins P and P '. The hinge pins P and P 'are respectively inserted into the first hinge hole 14' and the second hinge hole 32 'which will be described below. The connector L rotates about a hinge pin P inserted into the first hinge hole 14 ′ with a central axis.

The connector (L) is preferably formed in a rounded circumference so that rotation can occur with respect to the main body 10 and the speaker 28 to be described below. However, the connector (L) does not rotate only by its own weight of the main body 10 or the speaker 28, the rotation occurs only when a constant external force is applied.

The connector (L) is provided with a configuration for electrically connecting the main unit (not shown) provided inside the main body 10 and the voice unit 38 to be described below. For example, an electrical contact point (not shown) is provided on a corresponding surface of each of the first protrusion 14 and the connector L that are in contact with each other, so as to generate an electrical signal of the main board 38. ) Can be delivered. The contact is configured such that the relative position does not change even when the connector L rotates. This configuration also applies to the relationship between the connector L and the second protrusion 32 to be described below.

Meanwhile, the speaker 28 is rotatably installed in the main body 10. The exterior of the speaker 28 is formed by the speaker case 30 and the base plate 36.

The speaker case 30 is formed of a substantially hexahedron. The speaker case 30 is connected to the main body 10 through the connector (L). A second protrusion 32 is stepped on one end of the speaker case 30 corresponding to the first protrusion 14. Part of the connector L is located at both sides of the second protrusion 32.

Second hinge holes 32 ′ are recessed on both sides of the second protrusion 32. The hinge pin P 'is inserted through the connector L in the second hinge hole 32'.

The speaker grill 34 is formed on an upper surface of the speaker case 30. The speaker grills 34 are formed in plural through the speaker case 30. The speaker grill 34 allows the voice signal generated by the speech unit 38 to be described below to be transmitted to the outside.

A base plate 36 is provided on the bottom of the speaker case 30. The base plate 36 cooperates with the speaker case 30 to form a predetermined space therein. The base plate 36 is formed in a rectangular plate shape corresponding to the speaker case 30. The base plate 36 may be integrally formed with the speaker case 30 according to design conditions.

The base plate 36 is provided with a voice unit 38. The speech unit 38 is a part for converting an electrical signal into a voice signal. The voice unit 38 generates vibration of air to generate a voice signal. The voice unit 38 is provided with a configuration for electrically connecting with the main board provided in the main body 10. For example, a wire (not shown) connecting the voice unit 38 and the main board passes through the connector L and is connected to the inside of the main body 10.

Hereinafter will be described in detail the operation of the portable digital device according to the present invention having the configuration as described above.

4A to 4D are diagrams illustrating an operation state in which a speaker rotates in the portable digital device according to the preferred embodiment of the present invention, and FIGS. 5 and 6 show the portable digital device according to the embodiment of the present invention. 6 and 7 show perspective views showing a state in which a portable digital device according to an embodiment of the present invention is mounted using a speaker.

First, when the coupling state of the portable digital device according to the present invention, the speaker case 30, the speaker unit 30 is electrically connected to the main board (not shown) provided in the interior of the main body 10 ( 38) is installed.

The speaker 28 is rotatably coupled to the connector L by a hinge pin P ', and the connector L is rotatably coupled to the main body 10 by a hinge pin P. . Since the connector L is configured to rotate when a constant external force is applied, the connector L does not rotate arbitrarily by its own weight of the main body 10 or the speaker 28.

In addition, the support seating groove 18 formed on the rear surface of the main body 10 is seated on the support 20 and the extension portion 22, the support 20 is rotatable in the support seating groove 18. It is provided. The support 20 is located between the main body 10 and the speaker 28 when the speaker 28 is located on the seating portion 16.

Next, an operation state of the portable digital device according to the present invention will be described.

As shown in FIG. 4A, when a user outputs voice by earphones without using the speaker 28, the speaker 28 is seated on the seating part 16. In order for a user to use the speaker 28 without using an earphone, as shown in FIG. 4B, the speaker 28 is rotated clockwise around the hinge pin P '. At this time, the speaker 28 is located on the extension line of the connector (L) from the seating portion 16.

In this state, the connector L is rotated clockwise about the hinge pin P together with the speaker 28. At this time, the speaker 28 is moved to the front of the main body 10, as shown in Figure 4c.

When the speaker 28 is rotated once more about the hinge pin P 'while the speaker 28 is moved to the front of the main body 10, the speaker 28 is connected to the connector L. Perpendicular to). At this time, the speaker grill 34 of the speaker 28 faces the same direction as the front surface of the main body 10.

In this state, in order to mount the main body 10 on a desk or the like, the support 20 seated on the support seating groove 18 is rotated counterclockwise. When the support 20 is located on the rear surface of the main body 10 from the support seating recess 18, the user can operate the portable digital device by mounting it on a desk or the like. This state is shown in FIG. 4D.

As such, when the device is not used or earphones are used, the speaker 28 may be placed on the rear surface of the main body 10 to cleanly design the appearance of the portable digital device.

In addition, when the speaker 28 is to be used, the speaker 28 may be placed on the front of the main body 10 to output voice, and at the same time, a tilt angle may be formed so that the portable digital device is placed on a desk or the like. (DMB) You can watch broadcasts.

In the portable digital apparatus according to the present embodiment, as shown in FIG. 7, it is possible to form an inclination angle using the speaker 28, which will be briefly described.

The speaker 28 is rotated about the hinge pin (P ') as a central axis in a state located on the seating portion (16). Then, the supporter 20 located in the support seating groove 18 is drawn out while the speaker 28 is sufficiently rotated.

As described above, since the extension part 22 is provided to be slidable into and out of the support 20, the extension part 22 is moved to the inside of the support 20 by applying a constant force to the extension part 22. In this state, when the speaker 28 is rotated toward the seating part 16 to support one end of the support 20, the portable digital device can be mounted. This is applied when the portable digital device is mounted in a state where the speaker 28 is not used, and the extension 22 selectively extends the support 20 to tilt the portable digital device. Can be mounted with

The rights of the present invention are not limited to the embodiments described above, but are defined by the claims, and those skilled in the art can make various modifications and adaptations within the scope of the claims. It is self-evident.

1 is a perspective view showing the configuration of a portable digital device according to the prior art.

Figure 2 is an exploded perspective view showing the configuration of a preferred embodiment of a portable digital device according to the present invention.

Figure 3 is a perspective view showing a coupling state of the portable digital device according to the present invention.

4A to 4D are diagrams illustrating an operation of a speaker rotating in a portable digital device according to an embodiment of the present invention.

5 and 6 are perspective views showing a state in which the portable digital device according to an embodiment of the present invention is mounted.

7 is a perspective view showing a portable digital device is mounted using a speaker according to an embodiment of the present invention.

Explanation of symbols on the main parts of the drawings

10: main body 12: display unit

14: first protrusion 16: the seating portion

18: support mounting groove 20: support

22: extension 28: speaker

30: speaker case 32: second projection

34: speaker grille 36: bass plate

38: vocal unit

Claims

A main body having a seating portion formed on the rear surface thereof;

And a speaker rotatably installed on the main body so as to be selectively positioned on the front surface of the main body or the seating part, and a speaker grill is formed on one surface of the main body to face the seating part in a state in which the seating part is seated. Portable digital devices.

The portable digital device as claimed in claim 1, wherein a support for selectively supporting the main body is rotatably provided on the rear surface of the main body.

3. The portable digital device as claimed in claim 2, wherein protrusions are formed at corresponding positions of the main body and the speaker, respectively, and connectors for connecting between the protrusions are rotatably provided at both sides of each of the protrusions.

4. The portable digital device as claimed in claim 3, wherein a contact point for electrically connecting the inside of the speaker and the main body is formed on a corresponding surface of each of the protrusions and the connector in contact with each other.

The portable digital device as claimed in any one of claims 2 to 4, wherein a support seating recess in which the support is selectively seated is formed on a rear surface of the main body on which the seating part is formed.

6. The portable digital device as claimed in claim 5, wherein the support is provided with an extension part for selectively extending the length of the support so as to slide in and out of the support.

A main body having a seating portion formed on the rear surface thereof;

A speaker rotatably installed in the main body to be selectively positioned in front of the main body or the seating part;

And a support rotatably installed on the seating portion, the support for selectively supporting the main body when the speaker is located in front of the main body.

8. The portable digital device as claimed in claim 7, wherein protrusions are formed at corresponding positions of the main body and the speaker, respectively, and connectors for connecting the protrusions are rotatably provided at both sides of each of the protrusions.

The portable digital device as claimed in claim 8, wherein a contact point for electrically connecting the inside of the speaker and the main body is formed on a corresponding surface of each of the protruding portion and the connector in contact with each other.

The portable digital apparatus as claimed in any one of claims 7 to 9, wherein a support seating recess in which the support is selectively seated is formed on a rear surface of the main body on which the seating part is formed.

The portable digital device as claimed in claim 10, wherein the support is provided with an extension part for selectively extending the length of the support to be slidable into and out of the support.