WO2006011219A1 - Portable terminal - Google Patents

Abstract

A portable terminal, e.g. a portable telephone, performing processing including voice output processing, in which both portability and sound quality are enhanced. The portable terminal has a speaker (20) consisting of a stowing box (21) and a moving box (22). The moving box (22) moves between a position stowed in the stowing box (21) and a position projecting from a portable telephone (10). When the moving box (22) is in the projecting position, the internal space of the moving box (22) and the stowing space of the stowing box are combined to act as one resonance box.

Description

 Specification

 Mobile device

 Technical field

 TECHNICAL FIELD [0001] The present invention relates to a mobile terminal such as a mobile phone that executes processing including audio output processing.

 Background art

 [0002] Conventionally, a mobile phone has been provided with a speaker, and the mobile phone has been subjected to audio output processing to output audio from the speaker.

 [0003] A mobile phone is configured to be small because portability is important, and a small speaker is also built in. Usually, a speaker is equipped with a speaker box, which can improve the sound quality of bass, and it is difficult to secure enough space to form a wide speaker box inside a mobile phone.

 [0004] As one means of achieving both portability and sound quality improvement, two speakers are provided in the device, and when using the speakers, the two speakers protrude to the left and right of the device, and the distance between the speakers is increased. A technique has been proposed that enhances the stereo effect and improves portability by storing these speakers in a device when not in use (see Patent Document 1-13).

 Patent Document 1: JP-A-9-120354

 Patent Document 2: JP 2002-359890 A

 Patent Document 3: Registered Utility Model No. 3044340

 Disclosure of the invention

 Problems to be solved by the invention

However, although the technique proposed in Patent Documents 11 and 13 can improve the stereo effect, it does not improve the sound quality of the sound itself.

[0006] In view of the above circumstances, an object of the present invention is to provide a portable terminal that achieves both portability and improved sound quality.

Means for solving the problem [0007] A portable terminal of the present invention that achieves the above object is a portable terminal that executes processing including audio output processing,

 A speaker that emits sound;

 A speaker box that is partly movable to at least two positions or postures and acts as a speaker box.

 The speaker box is configured to change a volume in accordance with the movement of the part.

 [0008] Since the portable terminal of the present invention includes a speaker box that is partially moved and changes its volume by the movement, a high-quality sound is produced by emitting sound in a state where the volume of the speaker box is expanded. Excellent sound can be output.

 Here, the mobile terminal of the present invention specifically includes, for example, a storage space forming portion in which the speaker box forms a storage space inside the mobile terminal, and a storage position stored in the storage space. The mobile terminal force is movable between the protruding position and has an internal space, and a moving box formed with an opening that allows the internal space and the storage space to communicate with each other when the mobile terminal moves to the protruding position. It may consist of.

 [0010] In this case, the moving box may protrude in a lateral direction with respect to the forward direction that emits sound to the outside, or the moving box protrudes in a forward direction that emits sound to the outside. It may be a thing.

 [0011] Here, in the case of a configuration in which the movement box protrudes in the horizontal direction, two movement boxes may be provided, and each movement box may be divided into left and right protrusions.

 [0012] The moving box may be moved between a storage position and a protruding position by sliding, or the moving box is moved between the storage position and the protruding position by rotation. You may do.

 [0013] When the moving box as described above is provided, when the moving box is moved to the protruding position, a space is formed that extends both to the storage space in which the moving box is stored and to the internal space of the moving box. Is done. Therefore, when sound is emitted with the moving box moved to the protruding position, a large space is used as a resonance box, resulting in high-quality sound.

[0014] In the mobile terminal of the present invention, the mobile box emits sound to the outside. While having a 1st sound emission part, it is preferable that a storage space formation part also has a 2nd sound emission part which radiates | emits a sound outside.

[0015] With this configuration, the moving box can be moved to the protruding position to obtain high-quality sound, and sound quality is sacrificed even when the moving box is left in the storage position. can do.

 The invention's effect

 [0016] As described above, according to the present invention, both portability and improvement in sound quality can be achieved.

 Brief Description of Drawings

 FIG. 1 is a front view of a first embodiment of a mobile phone as an example of a mobile device of the present invention.

 2 is a diagram showing a speaker box built in the mobile phone shown in FIG.

 3 is a diagram showing a speaker box built in the mobile phone shown in FIG. 1.

 FIG. 4 is a schematic diagram showing the structure of a speaker box.

 FIG. 5 is a sectional view taken along arrows AA shown in FIG.

 FIG. 6 is a front view showing an outline of a speaker box portion in a second embodiment of the present invention.

 FIG. 7 is a front view showing an outline of a speaker box portion according to a third embodiment of the present invention.

 FIG. 8 is a front view of a mobile phone according to a fourth embodiment of the present invention.

 FIG. 9 is a side view of a mobile phone according to a fourth embodiment of the present invention.

 BEST MODE FOR CARRYING OUT THE INVENTION

Hereinafter, embodiments of the present invention will be described.

 FIG. 1 is a front view of a first embodiment of a mobile phone as an example of the mobile device of the present invention.

[0020] The mobile phone 10 has a lower housing 11 and an upper housing 12, and the lower housing 11 and the upper housing 12 are hinged to each other so as to be pivotable to be opened and closed. The front surface of the lower housing 11 is provided with various operation buttons and a communication port connected to a small built-in microphone. However, since it is not the subject of this embodiment, illustration and detailed description thereof are omitted.

[0021] In addition, the front surface of the upper housing 12 has a display screen 121 and a mesh-like audio section 122 composed of a large number of fine holes for outputting audio from an internal speaker (described later) to the outside. To do.

 [0022] In the cellular phone 10, various processes such as transmission / reception of a telephone via wireless communication, display of an image on the display screen 121, and sound generation processing from a built-in speaker (described later) accompanying reception of the telephone are performed. Executed. Since these processes themselves are well-known techniques and are not included in the problem of the present invention, detailed description thereof is omitted here.

 2 and 3 are diagrams showing a speaker box built into the mobile phone shown in FIG. 1. FIG. 2 shows a moving box constituting the speaker box fixed inside the mobile phone. 3 shows the state in which the speaker box is housed in the storage box, and FIG. 3 shows the state in which the mobile box protrudes from the mobile phone.

 As shown in FIGS. 2 and 3, the mobile phone 10 is provided with two speaker boxes 20, and the two moving boxes 22 constituting these speaker boxes 20 have two storage boxes. Each box 21 has a structure that protrudes separately on the left and right.

 FIG. 4 is a schematic diagram showing the structure of the speaker box, and FIG. 5 is a cross-sectional view taken along arrows AA shown in FIG.

 FIGS. 4 and 5 show one of the two speaker boxes shown in FIGS. 2 and 3 (the left side in FIGS. 2 and 3). However, the other speaker box has the same structure except that the left and right sides are reversed.

 The speaker box 20 includes a storage box 21 and a moving box 22, and a thin plate-like speaker 23 is fixed inside the moving box 22. In the present embodiment, this thin plate-like speaker 23 generates sound in response to an electrical signal regardless of the structure itself of the force speaker, which is a speaker configured using a piezoelectric element. Any sounding body that can be used.

[0028] The moving box 22 has a protruding position protruding from the mobile phone 10 by putting a fingernail on the nail hook 22a and pulling it out of the storage box 21, and pressing the moving box 22 with a finger. When the moving box 22 is pulled out to the protruding position, the projection 221 provided on the moving box 22 shown in FIG. A click feeling is obtained by fitting into the recess 211 on the side, and the moving box 22 is fixed at that position. On the other hand, the moving box 22 is stored in the storage box 21. At the stored position, the protruding portion 221 of the moving box 22 is fitted into the recess 212 on the back side of the storage box 21 and is prevented from inadvertently moving from the stored position.

 [0029] Further, on the front surface of the moving box 21, there is formed a sounding port 222 for outputting the sound emitted from the speaker 23 inside to the outside, and the moving box 22 on the side of the storage box 21 An opening 223 is formed on the entire surface. When the moving box 22 is pulled out to the protruding position shown in FIGS. 4 and 5 by forming the opening 223, the inner space 224 of the moving box 22 and the movement of the storage box 21 are moved. The storage space 225 for storing the box 22 is connected to one and acts as a large resonance box, and the sound emitted from the speaker 23, particularly the low frequency range, is improved, and the sound quality is improved.

 [0030] In addition, a large number of fine hole S mesh-like sound emitting portions 214 are formed on the front surface of the storage box 21. The sound emitting unit 214 communicates with the sound generating port 222 of the moving box 22 in the state of being accommodated in the storage box 21 and the sound emitting unit 122 provided in the upper housing 12 of the mobile phone 10 shown in FIG. Therefore, in the mobile phone 10 of this embodiment, even when the moving box 22 is in the storage position stored in the storage box 21, sound can be emitted from the speaker 23 and output to the outside. However, in this case, the sound quality is sacrificed as compared to when the moving box 22 is pulled out to the protruding position.

 In the first embodiment described above, as shown in FIG. 1, the sound emitting unit 122 is a force provided at the lower part of the display screen 121. A sound emitting unit 122 may be provided. In that case, the speaker box 20 shown in FIGS. 2, 3 and the like is also arranged at the upper position corresponding to the sound emitting portion.

 [0032] FIG. 6 is a front view showing an outline of a speaker box portion in the second embodiment of the present invention.

 It should be noted that in FIG. 6, the components having the same functions as those in the respective drawings (FIG. 1 and FIG. 5) used in the description of the first embodiment described above have some structures and shapes. Differences from the first embodiment will be described by giving the same reference numerals over the differences. The same applies to drawings representing various embodiments described below and descriptions of various embodiments.

The mobile phone 10 shown in FIG. 6 is provided with two moving boxes 22 and one storage box 21 that stores both of the two moving boxes 22. Storage box 21 Built in the storage box 21 of the mobile phone 10, the two moving boxes 22 are pivotally supported by the storage box 21 by the respective rotating shafts 24, and these moving boxes 22 are respectively connected to the respective rotating shafts 24. Centered on the storage box 21, the two storage boxes 22 are divided into left and right and rotate between a protruding position protruding from the mobile phone 10. Here, in FIG. 6, the moving box in the stowed position and the moving box in the protruding position are depicted in duplicate.

 [0035] The side surface 215 of the storage box 21 is provided with an opening through which the moving box 22 enters and exits. When the moving box 22 rotates and moves to the projecting position, the projecting position of the opening of the side surface 215 It is necessary to block the upper half which is not blocked by the moving box in Therefore, in this embodiment, as shown in FIG. 6, the upper half of the opening of the side surface 215 of the storage box 21 when the moving box 22 is in the protruding position is closed on the upper part of the inner space of the storage box 21. Is provided. The shatter plate 226 is pivotally supported on the upper housing 12 of the portable telephone 10 by a pivot shaft 227 and is spring-loaded in a direction to close the opening of the side surface 215 of the storage box 21 by the panel 228. It is energized. Here, a small opening for inserting a spring is formed on the upper surface of the storage box 21, and the spring 228 is inserted into the opening to push the shatter plate 226. Therefore, when the moving box 22 rotates to the protruding position, the shirt plate 226 is pushed by the spring 228 to close the upper half of the opening of the side surface 225 of the storage box 21 that is not blocked by the moving box 22. When the moving box 22 rotates to the storage position, the shirt 226 is pushed by the moving box 22 and falls to the top of the moving box 22.

 Here, the side surface 225 of the moving box 22 when it is in the protruding position (the bottom surface when it is in the storage position) is an opening that connects the internal space of the moving box 22 and the storage space of the storage box 21. When the moving box 22 is in the protruding position, the two moving buttons 22 and the one storage box 21 form one large resonance box. The role of the resonance box is mainly to improve the sound quality in the low frequency range, and the sound in the low frequency range has relatively little sound directionality, so the sound quality can be improved even with a single acoustic box.

[0037] The two moving boxes 22 each have a thin plate-like speaker, the two moving boxes 22 have a sound generating port 222 force S on the front, and the storage box 21 has a release point. The point where the sound part 214 (see FIGS. 4 and 5) is provided is the same as in the case of the first embodiment described above.

 FIG. 7 is a front view showing an outline of a portion of the speaker box in the third embodiment of the present invention.

 In the present embodiment, the speaker box is provided at the top of the upper housing 12 of the mobile phone 10. This speaker box has two moving boxes and one storage box 21 having a storage space for storing the two moving boxes 22. In FIG. 7 as well, the moving box 22 is depicted twice when in the stowed position and when in the protruding position.

 [0040] The entire upper surface of the storage box 21 is open, and when the moving box 22 is in the storage position stored in the storage box 21, the upper surfaces of the two moving boxes 22 become the upper surface of the mobile phone 10. ing. These two moving boxes 22 are fixed to each other and protrude upward by a pop-up mechanism (not shown). The lower surface of the two moving boxes 22 has an opening connecting the inner space of the moving box 22 and the storage space of the storage box 21 when in the protruding position, and when in the protruding position, the two moving boxes 22 One resonance box is formed by the internal space of the storage space and the storage space of one storage box 21.

 [0041] A thin plate-like speaker is provided inside each of the two moving boxes 22, and a sounding opening 222 is provided on the front surface of the moving box. In addition, the storage box 21 is provided with a sound emitting unit 214 for outputting the sound generated by the speaker power in the moving box 22 in the storage position to the outside.

 [0042] In the third embodiment, the stereo effect is provided for the time being, and the two moving boxes 22 are provided. However, the stereo effect is not necessary, and only one moving box may be provided.

 8 and 9 are a front view and a side view of the mobile phone according to the fourth embodiment of the present invention.

 [0044] The mobile phone 10 of the fourth embodiment shown in Figs. 8 and 9 is similar to the mobile phone of the first, first, and third embodiments so far. And the upper housing 12 (see FIG. 9), and the sound is output from the back of the upper housing 12 in the closed state.

The speaker box 20 is a storage box carried in the upper housing 12 of the mobile phone 10. 21 and a moving box 22 that slides between a storage position stored in the storage box 21 and a protruding position drawn forward from the storage box 21. The moving box 22 is pulled out with a fingernail placed on the ridge 227 around the moving box 22. A sounding opening 222 is provided in front of the moving box 22 in the protruding direction, and the entire surface of the moving box 22 on the storage box 21 side is open. In the fourth embodiment, the speaker 21 is disposed in the storage box 21 and its position is not changed by the movement of the moving box 22. Also in the fourth embodiment, by projecting the moving box 22, the resonance box is expanded and the sound quality is improved.

[0046] In the fourth embodiment, the moving box 22 may be configured to automatically protrude at the timing when the user outputs a sound, or when the sound is output from the speaker 23.

 In each of the above embodiments, the speaker box is described as including a storage box and a moving box. However, the storage box is not necessarily required. The storage space is surrounded by one or several parts. May be used.

In addition, each of the above embodiments is an example in which the present invention is mounted on a mobile phone. However, this mobile phone does not ask about the communication method. PHS (Personal Handy Phone)

) Including any communication method.

Each of the above embodiments is an example in which the present invention is applied to a foldable mobile phone. However, the present invention is not a foldable mobile phone, for example, a flat plate type. It can also be applied to a mobile phone.

Furthermore, the present invention is not limited to the one mounted on the mobile phone, and can be similarly mounted on other mobile terminals such as PDA (Personal Data Assistant).

Claims

The scope of the claims  [1] A mobile terminal that executes processing including audio output processing  A speaker that emits sound;  A part of which is freely movable to at least two positions or postures and has a speaker box that acts as a resonance box of the speaker;  The portable terminal, wherein the speaker box changes a volume according to the movement of the part. [2] The speaker box is movable between a storage space forming portion that forms a storage space inside the mobile terminal, a storage position stored in the storage space, and a protruding position protruding from the mobile terminal. 2. The mobile terminal according to claim 1, further comprising: a moving box having an internal space and having an opening that communicates the internal space and the storage space when moved to the protruding position. 3. The mobile terminal according to claim 2, wherein the moving box protrudes in a lateral direction with respect to a forward direction that emits sound to the outside. 4. The mobile terminal according to claim 3, wherein the mobile terminal includes two moving boxes, and each moving box protrudes into left and right parts. 5. The mobile terminal according to claim 2, wherein the moving box protrudes in a forward direction that emits sound to the outside. 6. The mobile terminal according to claim 2, wherein the moving box is moved between the storage position and the protruding position by a slide. 7. The mobile terminal according to claim 2, wherein the moving box moves between the storage position and the protruding position by rotation. [8] The moving box includes a first sound emitting unit that emits sound to the outside, and the storage space forming unit also includes a second sound emitting unit that emits sound to the outside. Item 2. A mobile terminal according to item 2.