JP2005136895A - Desktop holder and viewing/listening system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To enable a user to listen to sounds with an enough volume and high quality when listening to music or the like, while looking at a display, from a mobile terminal kept in a desktop holder and having a loudspeaker on a surface except its front face, with an image display unit. <P>SOLUTION: The mobile terminal 1 comprises the loudspeakers 3L and 3R on the surfaces except the front face on, which the image display unit 2 is provided. The desktop holder 31 for holding the mobile terminal 1 in such a way that the front face of the mobile terminal 1 is facing a viewer's side is provided with a direction changing means 34 which turns at least a part of the sounds emitted from the loudspeakers 3L and 3R and to the directions other than the front direction, to the front direction. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a desktop holder that holds a mobile terminal, and a system for viewing video and audio by holding the mobile terminal on the desktop holder.

  In recent years, some mobile phones have not only a telephone call function and a mail transmission / reception function but also a function of displaying an image and a function of reproducing a ringing melody / music. Such mobile phones are not only used for phone calls and e-mails while being carried, but also used for listening to incoming melody and music while watching the display screen while being held in a desktop holder at home etc. In this way, it is conceivable that the application will expand.

  FIG. 12 is a perspective view showing a configuration example of a conventional desktop holder for a mobile phone. The desktop holder is for holding a mobile phone for charging or the like, and includes an upper case 51 in which a pocket 53 for inserting and holding the mobile phone is formed, and a lower case 52 for indicating the upper case 51. (For example, refer to Patent Document 1).

When a user wants to listen to incoming melody or music while viewing the display screen while holding the mobile phone in the desktop holder, the user should place the mobile phone on the surface on which the image display unit such as a liquid crystal display exists. It is held by the desktop holder so that it faces the holder (in the figure, diagonally left front of the desktop holder), and the display screen is viewed from the front side of the desktop holder.
JP 2002-33814 A (paragraph number 0018, FIG. 1)

  By the way, in a mobile phone having a function of reproducing ringing melody, music, etc., when a speaker for generating such sound is provided on a surface other than the front surface where the image display unit is provided, a conventional desktop holder as shown in FIG. Then, the user who visually recognizes the image display unit cannot listen to the sound with a sufficient volume or high quality sound.

  In view of the above points, the present invention is sufficient when listening to music or the like while watching a display screen with a portable terminal having a speaker provided on a surface other than the front surface where the image display unit is held in a desktop holder. It was made as an issue to be able to listen to the sound with a volume and high quality sound quality.

  In order to solve this problem, the present invention provides a desktop holder for holding a portable terminal provided with a speaker on a surface other than the front surface with the surface on which the image display unit is provided facing the observation side. Further, there is provided a direction conversion means for directing at least a part of the sound generated from the speaker toward the direction other than the front direction.

  In this desktop holder, when the portable terminal is held, sound generated from a speaker provided on a surface other than the front surface of the portable terminal and directed in a direction other than the front surface (the surface with the image display unit facing the observation side) At least a part of them is changed in direction by the direction changing means and headed in the front direction.

  As a result, the sound directed from the speaker toward the front increases, so that when listening to music or the like while watching the display screen, it is possible to listen to the sound with sufficient volume and high quality sound quality.

  When there are speakers on the left and right side surfaces of the mobile terminal, as an example, the desktop holder is provided with wraparound suppression means for suppressing the sound generated from these speakers from wrapping around the back of the mobile terminal. It is preferable to further provide.

  When there are speakers on the left and right sides of the mobile terminal, if such wraparound occurs, the sound generated from the two speakers may interfere with each other, leading to a decrease in sound volume and sound quality. . Therefore, by providing the means for suppressing this wraparound, such interference is suppressed, so that it is possible to listen to the sound with a further sufficient volume and high quality sound quality.

  Next, the present invention holds the portable terminal in a desktop holder that holds the portable terminal provided with speakers on the left and right side surfaces with the surface on which the image display unit is provided as the front, with the front facing the observation side. A reflector that is provided at a position corresponding to the position of the speaker at the time and reflects the sound generated from the speaker and traveling toward the back of the portable terminal, and guides the portable terminal when holding the portable terminal. A rail-like member that suppresses the sound generated from the speaker from going around to the back when held and a terminal that supplies a power supply voltage supplied from the outside to a charging terminal of the portable terminal are provided.

  In this desktop holder, when the portable terminal is held, the sound generated from the speakers on the left and right side surfaces and directed in the rear direction is reflected by the reflecting plate and is front (the surface with the image display unit facing the observation side). Head in the direction. Therefore, the sound directed from the speaker toward the front of the mobile terminal increases.

  Moreover, it is suppressed by the rail-shaped member which served as the guide member of a portable terminal that the sound which generate | occur | produced from those speakers wraps around the back and interferes with each other.

  As a result, when listening to music or the like while watching the display screen, it is possible to listen to the sound with sufficient volume or high quality sound quality.

  Next, the present invention relates to a viewing system for viewing video and audio, with a surface provided with an image display unit as a front surface and a portable terminal provided with a speaker on at least a surface other than the front surface, A desktop holder for holding toward the observing side, and the desktop holder is provided with direction changing means for directing at least a part of the sound generated from the speaker toward the direction other than the front direction. It is characterized by that.

  In this viewing system, at least a part of the sound generated from the speaker of the portable terminal held by the desktop holder and directed in the direction other than the front (the surface with the image display unit facing the observation side) The direction is changed by the conversion means and heads in the front direction.

  As a result, the sound directed from the speaker toward the front increases, so that when listening to music or the like while watching the display screen, it is possible to listen to the sound with sufficient volume and high quality sound quality.

  According to the present invention, when listening to music or the like while watching a display screen while holding a portable terminal provided with a speaker on a surface other than the front surface where the image display unit is located on a desktop holder, sufficient volume and high quality The effect of being able to listen to the sound with the sound quality of is obtained.

  Hereinafter, an example in which the present invention is applied to a desktop holder for a mobile phone will be specifically described with reference to the drawings. FIG. 1 is a perspective view schematically showing the appearance of a mobile phone to be held by a desktop holder according to the present invention.

  The mobile phone 1 is provided with an LCD (liquid crystal display) 2 as an image display unit, and stereo reproduction speakers 3L and 3R are provided on the left and right sides, respectively, with the surface on which the LCD 2 is provided as the front. (The speaker 3L does not appear in the figure, but the speaker 3L is provided at a position corresponding to the position of the speaker 3R on the left side surface). In addition to the LCD, various display devices such as an OLED (organic EL display), a PDP (plasma display), and an FED (field sequential display) can be applied to the image display unit.

  The LCD 2 is used not only to display various information and characters but also to display images. The speakers 3L and 3R are used for reproducing incoming melody, music and the like.

  On the front side of the cellular phone 1, there are a mail key 4, an end key 5, a clear key 6, a disk-shaped jog dial 7, a power key 8, a start key (a key for answering outgoing and incoming calls) 9, an Internet connection key 10, Other key groups (such as numeric keys) 11, a speaker 12 and a microphone 13 for calling are also provided.

  Although not shown, a movable antenna is housed on the top surface of the mobile phone 1, and a CCD camera is provided on the back surface of the mobile phone 1.

  As shown in FIG. 2, the cellular phone 1 rotates a telephone upper part 1a provided with an LCD 2 and the like and a telephone lower part 1b provided with speakers 3L, 3R and the like in a plane parallel to the front surface. The LCD 2 can be folded toward the front side. Although illustration is omitted, the mobile phone 1 is provided with a charging terminal at a position corresponding to the bottom surface in the folded state.

  The circuit configuration of the mobile phone 1 is the same as that of a normal mobile phone except that the speakers 3L and 3R for reproducing the incoming melody, music, etc. are provided separately from the speaker 12 for calling. This is shown in FIG. Control unit 21, communication processing unit 22, LCD drive unit 23 (circuit for driving LCD 2 in FIG. 1), operation unit 24 (each key and jog dial 7 in FIG. 1), camera unit 25 (CCD camera and its control circuit), Each of the memories 26 is connected to a control line 27, and the communication processing unit 22, speakers 3L, 3R, 12 (FIG. 1), microphone 13 (FIG. 1), LCD driving unit 23, camera unit 25, and memory 26 are respectively connected. A data line 28 is connected.

  At the time of transmission of sound and images, data from the microphone 13, the camera unit 25, and the memory 26 is sent to the communication processing unit 22 via the data line 27, and is encoded, modulated, and uploaded under the control of the control unit 21. The signal is converted and transmitted from the antenna 29 (the aforementioned movable antenna).

  On the other hand, at the time of receiving voice or image, the data received by the antenna 29 is down-converted / demodulated / decoded by the communication processing unit 22 under the control of the control unit 21, and the speaker 3L, 3R, 12 and the LCD drive unit 23.

  Next, FIG. 4 is a perspective view showing a configuration example of the desktop holder of the present invention. This desktop holder 31 holds the cellular phone 1 folded as shown in FIG. 2, and supports the back surface of the cellular phone 1 on a holder lower portion 31a in which a pocket 32 for inserting the bottom of the cellular phone 1 is formed. A holder upper portion 31b shaped like a backrest is fixedly attached.

  Two guide rails 33 extending in the vertical direction are formed on the holder upper portion 31 b, and a flat acoustic reflector 34 is formed along the outer side of each guide rail 33. The desktop holder 31 is made of resin, and ABS resin is used for the holder upper portion 31b.

  A terminal 35 for inserting an AC adapter (not shown) for charging the mobile phone 1 is provided on the side of the holder lower portion 31a, and a power supply voltage supplied from the AC adapter is supplied to the mobile phone 1 (folded). A terminal 36 is provided in the pocket 32 for insertion into a charging terminal on the bottom surface of the mobile phone 1.

  When the cellular phone 1 is held in the desktop holder 31, the cellular phone 1 folded as shown in FIG. 2 is placed in the pocket 32 while the front is directed toward the front (obliquely left front in the figure) and the back is guided by the guide rail 33. The terminal 36 is inserted into the charging terminal of the mobile phone 1.

  FIG. 5 is a perspective view showing a state in which the mobile phone 1 is held in the desktop holder 31. The acoustic reflector 34 is provided at a position (behind the speakers 3L, 3R) corresponding to the position of the speakers 3L, 3R when the mobile phone 1 is held, and the vertical length is longer than that of the speakers 3L, 3R. It is getting longer.

  FIG. 6 shows the sound generated from the speakers 3L and 3R when the incoming melody / music is played on the speakers 3L and 3R of the mobile phone 1 with the mobile phone 1 held in the desktop holder 31 as described above. It is a figure which shows an example of a direction (figure which looked at the mobile telephone 1 from the upper side).

  When an incoming melody, music, or the like is reproduced by the speakers 3L, 3R on the side of the mobile phone 1, the sound generated from the speakers 3L, 3R toward the back of the mobile phone 1 as indicated by the arrows is reflected on the acoustic reflector. It is reflected by 34 and heads in the front direction (the surface with the LCD 2 facing the front side). Therefore, the sound toward the front direction from the speakers 3L and 3R increases. As a result, when the mobile phone 1 is held on the desktop holder 31 and listening to the incoming melody, music, etc. while watching the image displayed on the LCD 2, it is possible to listen to the sound with sufficient volume and high quality sound quality. .

  Further, as shown in FIG. 6, when the mobile phone 1 is held in the desktop holder 31, the guide rail 33 prevents the sound generated from the speakers 3 </ b> L and 3 </ b> R from turning around the back of the mobile phone 1. The

  When such wraparound occurs, the sound generated from the speakers 3L and 3R may interfere with each other, resulting in a decrease in sound volume and sound quality. However, such interference is suppressed by the presence of the guide rail 33. In that respect as well, the sound can be heard with sufficient volume and high quality sound.

  In the above example, the desktop holder 31 is provided with the flat acoustic reflector 34. As an example of changing the shape of the acoustic reflector, speakers 3L and 3R are connected to the cellular phone 1 as shown in FIG. You may make it provide the dome-shaped acoustic reflection board 41 covered from a back surface direction to a side surface direction.

  FIG. 8 is a diagram illustrating an example of the direction of sound generated from the speakers 3L and 3R when the acoustic reflector 41 is provided. The sound generated from the speakers 3L and 3R toward the back of the mobile phone 1 is reflected by the acoustic reflector 41 in the same manner as shown in FIG. Sounds generated from the speakers 3L and 3R and directed toward the side of the mobile phone 1 are also reflected by the acoustic reflector 41 and directed in the front direction. Therefore, the sound traveling from the speakers 3L and 3R in the front direction further increases.

  Further, in the above example, the acoustic reflector 34 is provided in the desktop holder 31, but instead of the acoustic reflector, the sound generated from the speakers 3L and 3R is transmitted in the front direction of the mobile phone 1 as shown in FIG. A horn (tube) -like member 42 is provided at a position corresponding to the position of the speakers 3L and 3R when the mobile phone 1 is held (a position where one end of the opening faces the speakers 3L and 3R). Also good.

  FIG. 10 is a view of the cross-sectional structure of the horn-shaped member 42 as viewed from above with the mobile phone 1 held on the desktop holder 31.

  By providing such a horn-shaped member 42, the sound generated from the speakers 3L and 3R is efficiently directed to the front direction through the horn-shaped member 42, so that the sound directed from the speakers 3L and 3R to the front direction is generated. It will increase even more.

  The horn-shaped member 42 may be detachably attached to the desktop holder.

  Further, in the above example, the charging terminals 35 and 36 are provided on the desktop holder 31, but these terminals may not be provided.

  In the above example, the present invention is applied to a desktop holder that holds a mobile phone provided with stereo playback speakers on the left and right side surfaces. However, the present invention is not limited thereto, and speakers are provided only on one side surface. The present invention may also be applied to a desktop holder that holds a mobile phone.

  In the above example, the present invention is applied to a desktop holder that holds a mobile phone provided with a speaker on the side surface. However, the present invention is not limited thereto, and the side surface is a surface other than the front surface where the image display unit is located. The present invention may also be applied to a desktop holder that holds a mobile phone provided with speakers on different surfaces.

  FIG. 11 shows an example in which the present invention is applied to a desktop holder that holds a mobile phone 43 in which an LCD 44 as an image display unit is provided on the front surface and a speaker 45 is provided on the upper surface. The desktop holder 46 reflects sound generated from the speaker 45 toward the back of the mobile phone 43 at a position corresponding to the position of the speaker 45 when the mobile phone 43 is held (behind the speaker 45). An acoustic reflector 47 that is directed in the front direction is provided.

  In the above example, the present invention is applied to the desktop holder that holds the mobile phone. However, the present invention is not limited to this, and a speaker is provided on a surface other than the front surface of the mobile terminal other than the mobile phone and having the image display unit. You may apply this invention also to the desktop holder holding the portable terminal (for example, PDA, a portable television receiver etc.) provided.

It is a perspective view which shows schematically the external appearance of the mobile telephone used as the object hold | maintained with the desktop holder by this invention. It is a perspective view which shows the state which folded the mobile telephone of FIG. FIG. 2 is a block diagram illustrating an outline of a circuit configuration of the mobile phone in FIG. 1. It is a perspective view which shows the structural example of the desktop holder of this invention. It is a perspective view which shows the state which hold | maintained the mobile telephone of FIG. 1 to the desktop holder of FIG. It is a figure which shows an example of the direction of the sound emitted from the speaker of the mobile telephone hold | maintained at the desktop holder of FIG. It is a perspective view which shows the example of a change of the structure of the desktop holder of this invention. It is a figure which shows an example of the direction of the sound generated from the speaker of the mobile telephone hold | maintained at the desktop holder of FIG. It is a perspective view which shows the example of a change of the structure of the desktop holder of this invention. It is a figure which shows the cross-section of the horn-shaped member of FIG. It is a perspective view which shows the example of a change of the structure of the desktop holder of this invention. It is a perspective view which shows the structural example of the desktop holder for the conventional mobile telephones.

Explanation of symbols

1 Mobile phone 2 LCD
3L speaker 3R speaker 31 desktop holder 33 guide rail 34 acoustic reflector 41 acoustic reflector 42 horn-shaped member

Claims (12)

In a desktop holder for holding a portable terminal provided with a speaker on at least a surface other than the front surface with the surface on which the image display unit is provided, facing the front side toward the observation side,
A desktop holder, comprising: direction changing means for directing at least a part of a sound generated from the speaker toward a direction other than the front direction toward the front direction. In the desktop holder of Claim 1,
The desktop holder, wherein the direction changing means is a member that is provided at a position corresponding to the position of the speaker when the portable terminal is held and guides the sound generated from the speaker in the front direction. In the desktop holder of Claim 2,
The desktop holder, wherein the direction changing means is a reflecting plate that reflects sound generated from the speaker and directed toward the back of the portable terminal. In the desktop holder of Claim 3,
The desktop holder, wherein the reflector is shaped to cover the speaker from the back direction to the front direction of the mobile terminal. In the desktop holder of Claim 1,
The desktop holder characterized in that the direction changing means is a tubular member that is provided at a position corresponding to the position of the speaker when the portable terminal is held and guides the sound generated from the speaker in the front direction. . In the desktop holder of Claim 1,
The mobile terminal has speakers on the left and right sides,
A desktop holder, further comprising a wraparound suppressing unit that suppresses a sound generated from the speaker from wrapping around a back surface of the mobile terminal. In the desktop holder of Claim 6,
A desktop holder comprising: a member that guides the portable terminal when the portable terminal is held; and the member also serves as the wraparound suppressing means. In the desktop holder of Claim 7,
The desktop holder, wherein the member is a rail-shaped member. In the desktop holder of Claim 1,
The desktop holder, wherein the speaker provided in the portable terminal is provided on a side surface with a surface on which the image display unit is provided as a front surface. In the desktop holder of Claim 1,
A desktop holder, further comprising a terminal for supplying a power supply voltage supplied from the outside to a charging terminal of the portable terminal. In the desktop holder that holds the portable terminal provided with speakers on the left and right side surfaces with the surface provided with the image display unit as the front, with the front facing the observation side,
A reflector that is provided at a position corresponding to the position of the speaker when the portable terminal is held, and that reflects sound generated from the speaker toward the back side of the portable terminal;
A rail-shaped member that guides the portable terminal when holding the portable terminal and suppresses the sound generated from the speaker from wrapping around the back when the portable terminal is held;
A desktop holder comprising: a terminal for supplying a power supply voltage supplied from outside to a charging terminal of the portable terminal. In a viewing system for viewing video and audio,
A portable terminal provided with a speaker on at least a surface other than the front surface with the surface on which the image display unit is provided as a front surface;
A desktop holder that holds the portable terminal with the front facing the viewing side,
The desktop holder is
A viewing system, comprising: direction changing means for directing at least a part of a sound generated from the speaker toward a direction other than the front direction toward the front direction.

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