JPWO2006011219A1 - Mobile device - Google Patents

Abstract

The present invention relates to a portable terminal such as a mobile phone that executes processing including voice output processing, and achieves both portability and improved sound quality. A speaker 20 including a storage box 21 and a moving box 22 is provided, and the moving box 22 moves between a storage position stored in the storage box 21 and a protruding position protruding from the mobile phone 10, and moves to the protruding position. A combination of the internal space of the moving box 22 and the storage space of the storage box is made to act as one resonance box.

Description

  The present invention relates to a mobile terminal such as a mobile phone that executes processing including audio output processing.

  2. Description of the Related Art Conventionally, a mobile phone has been provided with a speaker. In the mobile phone, audio output processing is performed to output audio from the speaker.

  A mobile phone is configured to be small because portability is important, and a small speaker is built in. Usually, a speaker is provided with a speaker box, so that the sound quality of bass is improved. However, it is difficult to secure a space enough to form a large speaker box inside the mobile phone.

As a means to achieve both portability and improved sound quality, the device is equipped with two speakers, and when using speakers, the two speakers protrude to the left and right of the device to increase the stereo effect by increasing the distance between the speakers. In addition, there has been proposed a technique for improving portability by housing these speakers in a device when not in use (see Patent Documents 1 to 3).
JP-A-9-120354 JP 2002-359890 A Registered Utility Model No. 3044340

  However, although the techniques proposed in Patent Documents 1 to 3 can improve the stereo effect, the quality of the sound itself is not improved.

  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.

The portable terminal of the present invention that achieves the above object is a portable terminal that executes processing including voice output processing,
A speaker that emits sound;
A portion of which is freely movable to at least two positions or postures and has a speaker box that acts as a resonance box for the speaker;
The speaker box is configured to change a volume in accordance with the movement of the part.

  Since the portable terminal of the present invention includes a speaker box that partially moves and changes the volume by the movement, the high-quality excellent sound is output by emitting a sound in a state where the volume of the speaker box is expanded. can do.

  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, a storage position stored in the storage space, and the mobile terminal. The movable box is movable between the projecting position and the inner space, and has a moving box formed with an opening that communicates the inner space and the storage space when moved to the projecting position. Also good.

  In this case, the moving box may protrude in the lateral direction with respect to the forward direction that emits sound to the outside, or the moving box may protrude in the forward direction to emit sound to the outside. Good.

  Here, in the case of a configuration in which the moving box protrudes in the horizontal direction, two moving boxes may be provided, and each moving box may protrude separately on the left and right.

  The moving box may be moved between a storage position and a protruding position by a slide, or the moving box is moved between a storage position and a protruding position by rotation. There may be.

  When the moving box as described above is provided, a space is formed that extends into both the storage space in which the moving box is stored and the internal space of the moving box when the moving box is moved to the protruding position. Therefore, when sound is emitted in a state where the moving box is moved to the protruding position, a wide space is used as a resonance box, and high-quality sound is obtained.

  In the portable terminal of the present invention, the moving box has a first sound emitting unit that emits sound to the outside, and the storage space forming unit also has a second sound emitting unit that emits sound to the outside. Is preferred.

  According to this configuration, the moving box can be moved to the protruding position to obtain high-quality sound, and even if the moving box is left in the storage position, sound can be generated although the sound quality is sacrificed. .

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

It is a front view of 1st Embodiment of the mobile telephone which is an example of the portable apparatus of this invention. It is a figure which shows the speaker box built in the mobile telephone shown in FIG. It is a figure which shows the speaker box built in the mobile telephone shown in FIG. It is a schematic diagram which shows the structure of a speaker box. It is sectional drawing which follows the arrow AA shown in FIG. It is a front view which shows the outline | summary of the part of the speaker box in 2nd Embodiment of this invention. It is a front view which shows the outline | summary of the part of the speaker box in 3rd Embodiment of this invention. It is a front view of the mobile telephone of 4th Embodiment of this invention. It is a side view of the mobile telephone of 4th Embodiment of this invention.

  Embodiments of the present invention will be described below.

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

  The cellular phone 10 includes a lower housing 11 and an upper housing 12, and the lower housing 11 and the upper housing 12 are hinged to each other and turnably open and close. 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 a subject matter here, illustration and detailed description thereof are omitted.

  In addition, the front surface of the upper housing 12 includes a display screen 121 and a mesh-like sound unit 122 including a large number of fine holes for outputting sound from a built-in speaker (described later) to the outside.

  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) associated with reception of the telephone are executed. . Since these processes themselves are well-known techniques and deviate from the subject of the present invention, a detailed description thereof is omitted here.

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

  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 are respectively connected to the two storage boxes 21. It has a structure that protrudes into left and right.

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

  FIGS. 4 and 5 show one of the two speaker boxes shown in FIGS. 2 and 3 (the left side of 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, the thin plate-like speaker 23 is a speaker configured using a piezoelectric element, but the speaker itself may have any structure and generates sound in response to an electric signal. Any sounding body that can be used.

  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 the movement box 22 is pushed into the storage box 21 by pushing the moving box 22 with a finger. When the movable box 22 is slid between the housed storage position and the moving box 22 is pulled out to the protruding position, the protrusion 221 provided on the moving box 22 shown in FIG. 5 is inserted into the recess 211 on the outlet side of the storage box 21. A click feeling is obtained, and the moving box 22 is fixed at that position. On the other hand, in the storage position where the moving box 22 is stored in the storage box 21, the protruding portion 221 of the moving box 22 is prevented from fitting into the recess 212 on the back side of the storage box 21 and inadvertently moving from the storage position. The

  In addition, a sound generating port 222 for outputting the sound emitted from the speaker 23 inside the moving box 21 to the outside is formed on the front surface of the moving box 21, and the moving box 22 spreads over the entire surface on the storage box 21 side. An opening 223 is formed. By forming the opening 223, when the moving box 22 is pulled out to the protruding position shown in FIGS. 4 and 5, the internal space 224 of the moving box 22 and the moving box 22 of the storage box 21 are stored. The storage space 225 is connected to one, acts as a large resonance box, and the sound emitted from the speaker 23 is improved, particularly in the low sound range, and the sound quality is improved.

  In addition, a sound emitting part 214 in which many fine holes are formed in a mesh shape is formed on the front surface of the storage box 21. The sound emitting unit 214 communicates with the sound output port 222 of the moving box 22 in a 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, a 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, the sound emitting unit 122 is provided at the lower part of the display screen 121 as shown in FIG. A sound unit 122 may be provided. In that case, the speaker box 20 shown in FIGS. 2, 3 and the like is also disposed at an upper position corresponding to the sound emitting portion.

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

  In FIG. 6, the constituent elements having the same functions as the constituent elements in the respective drawings (FIGS. 1 to 5) used in the description of the first embodiment described above exceed some structural and shape differences. Differences from the first embodiment will be described. The same applies to drawings representing various embodiments described below and descriptions of various embodiments.

  The mobile phone 10 shown in FIG. 6 includes two moving boxes 22 and one storage box 21 that stores both of the two moving boxes 22. The storage box 21 is built in the storage box 21 of the mobile phone 10, and the two moving boxes 22 are pivotally supported on the storage box 21 by the respective rotating shafts 24. Rotating between the storage position stored in the storage box 21 and the projecting position where the two moving boxes 22 are divided into right and left and project from the mobile phone 10 around each rotation shaft 24. Here, in FIG. 6, the moving box in the storage position and the moving box in the protruding position are depicted twice.

  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 protruding position, the moving box at the protruding position of the opening of the side surface 215. It is necessary to close the upper half which is not blocked depending on. Therefore, in this embodiment, as shown in FIG. 6, a shutter plate 226 that closes 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 provided in the upper part of the internal space of the storage box 21. It has been. The shutter plate 226 is pivotally supported on the upper housing 12 of the mobile phone 10 by a pivot shaft 227 and is spring-biased by a spring 228 in a direction to close the opening of the side surface 215 of the storage box 21. ing. 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 shutter plate 226. Therefore, when the moving box 22 rotates to the protruding position, the shutter 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 and moves. When the box 22 rotates to the storage position, the shutter 226 is pushed by the moving box 22 and falls to the top of the moving box 22.

  Here, an opening that connects the internal space of the moving box 22 and the storage space of the storage box 21 is formed on the side surface 225 (bottom surface when in the storage position) of the movement box 22 at the protruding position. When the moving box 22 is in the protruding position, the two moving boxes 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. Since the sound in the low frequency range has relatively no sound directionality, the sound quality can be improved even with one acoustic box.

  The point that a thin plate-like speaker is provided in each of the two moving boxes 22, the point that the sound generation port 222 is provided on the front surface of the two moving boxes 22, and the sound emitting unit 214 (FIG. 4). The point etc. which are provided are the same as that of the above-mentioned 1st Embodiment.

  FIG. 7 is a front view showing an outline of a speaker box portion according to 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. Also in FIG. 7, the moving box 22 is depicted in a double manner when it is in the storage position and when it is in the protruding position.

  The entire upper surface of the storage box 21 is open. 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 are the upper surface of the mobile phone 10. These two moving boxes 22 are fixed to each other and protrude upward by a pop-up mechanism (not shown). The lower surfaces of the two moving boxes 22 have openings that connect the internal space of the moving box 22 and the storage space of the storage box 21 when in the protruding position, and the two moving boxes 22 when in the protruding position. One resonance box is constituted by the internal space of the storage space and the storage space of one storage box 21.

  Each of the two moving boxes 22 is provided with a thin plate-like speaker, and has a sound generation port 222 on the front surface of the moving box. In addition, the storage box 21 is provided with a sound emitting unit 214 for outputting sound emitted from a speaker in the moving box 22 at the storage position to the outside.

  In the third embodiment, the two moving boxes 22 are provided for the purpose of a temporary stereo effect. However, the stereo effect is not necessary and only one moving box may be used.

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

  The cellular phone 10 according to the fourth embodiment shown in FIGS. 8 and 9 is similar to the cellular phones according to the first to third embodiments so far. It consists of a body 12 (see FIG. 9), and is configured to output sound from the back surface of the upper casing 12 in a closed state.

  The speaker box 20 slides between a storage box 21 embedded in the upper housing 12 of the mobile phone 10, 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 configured to move. The moving box 22 is pulled out by placing a fingernail on the ridge 227 around the moving box 22. The sound generation port 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 this 4th Embodiment, the speaker 21 is arrange | positioned in the storage box 21, and the position is unchanged by the movement of the movement box 22. FIG. Also in the fourth embodiment, by projecting the moving box 22, the resonance box is expanded and the sound quality is improved.

  In the fourth embodiment, the moving box 22 is configured to be pulled out by the user. However, the moving box 22 may be configured to automatically protrude at the timing of outputting sound 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 always necessary, and a storage space surrounded by one or several parts is used. You may do.

  Further, each of the above embodiments is an example in which the present invention is mounted on a mobile phone, but this mobile phone does not ask any communication method, and any communication method including PHS (Personal Handy Phone). It may be a thing.

  In addition, each of the above embodiments is an example in which the present invention is applied to a foldable mobile phone, but the present invention is also applied to a mobile phone of a type other than a foldable type, for example, a flat plate type mobile phone. Is possible.

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 (8)

In a mobile terminal that executes processing including audio output processing,
A speaker that emits sound;
A portion 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 its volume according to the movement of the part. 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 portable terminal according to claim 1, further comprising: a moving box having a space and having an opening that allows the internal space and the storage space to communicate with each other when moved to the protruding position. The portable 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 two mobile boxes are provided, and each mobile box protrudes into left and right parts. 3. The portable terminal according to claim 2, wherein the moving box protrudes in a forward direction that emits sound to the outside. The mobile terminal according to claim 2, wherein the moving box is moved between the storage position and the protruding position by a slide. The mobile terminal according to claim 2, wherein the moving box is moved between the storage position and the protruding position by rotation. The said moving box has a 1st sound emission part which radiates | emits a sound outside, and the said storage space formation part also has a 2nd sound emission part which radiates | emits a sound outside. Mobile device.

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