JP2005184050A - Acoustic box for cellular phone - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an acoustic box for a cellular phone which expand volume by utilizing a built-in speaker for reproducing a ring tone and musical sound, and serves also as a telephone stand. <P>SOLUTION: The acoustic box for a cellular phone having a simple structure without using a power source, an amplifier and a speaker has the shape of the inside of various types of horns and is also provided with a side horn. A cellular phone is put on a stand, and musical sound is reproduced with a speaker unit closed to a sound source input port, thus, the reproduced sound is expanded when the sound passes through a sound path inside the horn, and sufficient volume and sound quality can be obtained even from a sound of the built-in speaker of the telephone main body. Also, the volume and sound quality can be improved by forming the lower part of a charger and both sides into an acoustic box, the acoustic boxes on both sides and a center portion may be a separate type or an integrated type, both the internal portion and external appearance can be designed irrespective of small shape and high performance. Further, since this acoustic box for a cellular phone is also provided with a charger function, even a cellular phone whose communication function has been unnecessary is not discarded but is used for reproducing a downloaded musical sound to allow a user to listen to the sound while being used as an interior accessory. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention intends to increase the volume by using a ring tone and a built-in speaker for music playback among the functions of a mobile phone, and this acoustic box is a mobile phone acoustic box that also serves as a telephone table.

Patent Documents 1 to 3 describe a mobile phone holder provided with various devices such as a speaker, an amplifier, and an LED in an acoustic box.
JP 2001-189787 A JP 2003-61178 A JP-A-10-224446

  The built-in speaker of the mobile phone is small and high-performance, but the volume is insufficient and the dedicated charger is not complementary and not decorative. In addition, a power supply, amplifier, and speakers are required to increase volume and improve sound quality.

Therefore, the present invention provides an acoustic box for a mobile phone that has a simple structure and can obtain a sound reproduced by the mobile phone with sufficient volume and quality without using a power source, an amplifier, a speaker, or the like. The inside of the acoustic box is made into various horn types and side horns are provided. Playing music by placing the mobile phone on the pedestal and bringing the speaker part into close contact with the sound source input port, the playback sound is enlarged when passing through the sound path in the horn, and even the sound from the built-in speaker of the phone body is sufficient Can get sound quality.
The mobile phone acoustic box according to the present invention is a device for increasing the playback volume using a speaker built in the mobile phone, and is used as a mobile phone cradle, and a sound source input provided on a part of the cradle. Sound can be taken into the sound box through the mouth, improving the volume and sound quality.
Further, since the above sound box uses a built-in speaker of the mobile phone as a sound source, the sound box main body does not require a power source, an amplifier, or a speaker for increasing the sound.
The inside of the sound box forms a horn-like loudspeaker, and the shape of the horn has the characteristics that any of a backing horn, a square, a round, a trumpet, and a megaphone can be adopted.
A characteristic feature is that a partition plate for volume adjustment is attached in the middle of the horn. The sound box is provided with side horns on both sides of the sound box, a hole is formed in the sound box as a sound outlet, and the sound is picked up from the sound source intake port that is opened in a part of the side horn. Get magnified.
The volume is adjusted by providing a partition plate. The length of the sound path of the side horn makes a difference in the sound output time by making a difference in the length of the sound path of the center horn, so that the entire sound that can be heard can be widened and spread. The side horn itself has the feature that it can be designed and designed freely as a decorative figurine as long as the sound path is secured.
In addition, two holes are made in the upper part of the sound source input port of the center acoustic box, and by inserting a CD / MD / radio earphone / headphone, the volume can be heard without hitting the earphone. Moreover, since it does not require a power supply, it can be used as a sound box regardless of location.
The sound box can have a charging function by installing a telephone holder, a charging switch, and a power supply pin on the telephone stand, and attaching an A / C adapter plug socket on the back, and connecting them inside. The sound box for a mobile phone is made of a hard material such as hard vinyl chloride, porcelain, ABS resin, alloy, non-ferrous alloy, etc., to obtain a reverberant effect and to ensure sound spread.
The present invention is an acoustic box used as an external complement device for improving the volume and sound quality of a mobile phone, but is also a charger and is used as a pair with a mobile phone.

When the internal shape of the sound box is changed to various horn types and side horns are provided, music can be played with the mobile phone placed on the pedestal and the speaker unit in close contact with the sound source intake port. In addition, the playback sound is enlarged, and even the sound from the built-in speaker of the telephone body can obtain sufficient volume and sound quality.
The present invention is an acoustic box with a simple structure that functions without the need for a power source, an amplifier, and a speaker. Also, by providing a charging function to the telephone stand, it becomes an acoustic box with a charger. In addition, it can be used as a charger when using data communication that consumes the most power.

  In the present invention, the acoustic box is also used as a charger and designed and designed to be used as a decorative figurine.

By making the inside of the acoustic box into various horn types and providing side horns, sufficient sound volume and sound quality can be obtained even with sound from the built-in speaker of the telephone body.
Among the above, the horn provided on the side portion can provide a further effect of increasing the sound volume, and the appearance can be selected from various colors and shapes regardless of the shape inside the both side horns, so that it can be used as a decorative figurine.
In addition to being able to enjoy high quality sound by using the music playback function of a mobile phone, it can also be used as a charger and can be used as a decorative ornament.

  Examples 1 to 3 of the best mode are shown below.

FIG. 1 is a perspective view of Embodiment 1 of the present invention. The mobile phone 12 is placed and held on the phone holder 13 of the phone stand 3 of the central acoustic box 1.
The built-in speaker part of the mobile phone 12 is brought into close contact with the sound source taking-in port 5 opened in the telephone table 3. Surrounding the sound source intake port 5 with a rubber sponge 5a can correspond to different speaker positions depending on the model. In FIG. 1, a type in which the speaker position is on the back surface is shown, but a type in which the speaker is located on the back surface can be handled by an attachment. FIG. 3 shows the shapes of various attachments.
The sound source intake port 10 in the case of using the attachment uses the headphones and earphone insertion port 10 of an external portable audio device such as a CD / MD. In addition, an attachment 17a is attached to the reception voice opening and connected to the reception voice taking-in opening 11 so that conversation can be performed with the mobile phone 12 placed on the telephone table 3. The inside of the central acoustic box 1 having the telephone stand 3 and the acoustic boxes 2 on both sides thereof are horn-shaped, and the sound of the built-in speaker of the mobile phone 12 placed on the telephone stand 3 is received at the central acoustic box 1 when receiving a call or playing music. The volume and sound quality are improved through the internal horn 4 and output.
Furthermore, the sound from the central sound source output port 7 opened on both sides of the central acoustic box 1 is input from the sound source intake port 8 opened on a part of the both side acoustic box 2 and the internal horn 6 of the both side acoustic box 2. It can be expanded and listened to. The central acoustic box 1 and both side acoustic boxes communicate with each other through a sound source output port 7 and a sound source intake port 8. When the cellular phone 12 is held on the telephone table 3, the charger switch 9 is pushed, the charging pin 14 is energized, and charging is started.
The charging pin 14 is connected to the AC adapter 16 inside.

  FIG. 2 shows the internal structure of the central acoustic box 1 having the telephone stand 3 and the two side acoustic boxes 2, and a horn and a sound path are formed inside the acoustic box. The sound path length of the central acoustic box horn part 4 and the sound path length of the side horns 6 of the two side acoustic boxes 2 are made different so that the sound output time can be varied. Reproduced sound can be obtained with sufficient sound quality and volume without the need for a power source, an amplifier, a speaker, etc. while obtaining a wider sense of hearing.

FIG. 4 is a perspective view of the appearance of an embodiment of a sound box having only a side horn.
Although the central telephone stand 3 is a charger, the sound that has entered from the sound source intake port 5 is distributed to the left and right inside and output while being magnified by the internal horns 6 of both side acoustic boxes 2.
FIG. 5 shows a cross section of FIG. The CC cross section is (c), and the DD cross section is (d). The shape of both side horns 6 of both side acoustic boxes 4 is spiral like the internal structure of shellfish, horn, etc., and outputs while expanding the sound inside. This mobile phone acoustic box is an integral type.

FIG. 6 is a perspective view of the appearance of an embodiment of a sound box with emphasis on decorative elements.
The central mobile phone stand 3 has a charging function, and has a sound source intake port 5 as in the first and second embodiments, and expands and outputs sound inside. The acoustic box 1 is a back-loading horn, and the sound is distributed to the left and right immediately after being taken in from the sound source taking-in port 5 and outputted from the both-side acoustic box horn 6. This mobile phone acoustic box is an integral type.

  FIG. 7 is a cross-sectional view of FIG. 6 with the EE cross section taken as (e). The internal reverberation plate 19 improves sound quality and volume. In addition, the volume is large, and it can be designed as a decorative figurine, and the sound quality and sound quality obtained due to the longer sound path compared to Examples 1 and 2 are improved.

The performance test result table of Example 1 of the present invention is shown below.
Table 1 is a frequency characteristic table comparing the strength of sound for each frequency of reproduced sound when the present invention is used and not used. (F1) is the frequency characteristic of the sound reproduced using the present invention, and (f2) is the frequency characteristic of the sound output from the built-in speaker of the mobile phone. (F3) represents the audible frequency band.
Table 2 is a diagram comparing the volume and volume of the reproduced sound when the present invention is used and when not used,
(W1) represents volume data for each distance of the sound reproduced by the built-in speaker of the mobile phone.
(W2) represents volume data for each distance of the sound reproduced using the present invention.
Both results show improvements in volume and sound quality.

FIG. 1 is a perspective view of Embodiment 1 of the present invention.

FIG. 2 is a cross-sectional view of FIG. It is the internal structure represented by the cross section which makes the AA cross section of the central acoustic box 1 (a), and makes the BB cross section of both side horns 2 (b).

FIG. 3 shows various attachments of the present invention.

FIG. 4 is a perspective view of the second embodiment of the acoustic box having only the side horn.

FIG. 5 is a bird's-eye view with the CC section of FIG. 4 taken as (c) and the DD section taken as (d).

FIG. 6 is a perspective view of a third embodiment of the acoustic box with emphasis on decorative elements.

FIG. 7 is a cross-sectional view with the EE cross section of FIG.

Explanation of symbols

1 Acoustic box with charger 2 Acoustic box on both sides
3 Telephone stand 4 Central acoustic box 5 Sound source intake 5a Sound source intake rubber sponge 6 Side acoustic box horn 7 Central acoustic box sound source output
8 Sidephone sound source inlet 9 Charging switch 10 Headphone outlet 11 Earpiece voice inlet 12 Mobile phone 13 Telephone holder 14 Charging pin 15 Volume adjusting partition 16 AC adapter outlet 17 Attachment a
18 Attachment b 19 Decorative stickers / photos, etc. 20 Internal reflection version

Claims (4)

A phone holder that holds a mobile phone and a sound source intake port that takes in sound from the speaker part of the mobile phone are formed, and a phone stand that has a sound path that expands and outputs the sound taken in from the sound source intake port An acoustic box for mobile phones characterized by the above. 2. The acoustic box for a mobile phone according to claim 1, wherein a sound path is provided on both sides of the telephone stand. A sound box for a mobile phone, wherein a sound path is formed for capturing and expanding sound from both side communication ports of the telephone stand. A sound box for a mobile phone, wherein the sound path is formed in a spiral shape.

Images