CN201374794Y - Portable inter-connectable sound box and sound box combination - Google Patents

Portable inter-connectable sound box and sound box combination Download PDF

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Publication number
CN201374794Y
CN201374794Y CN200920135441U CN200920135441U CN201374794Y CN 201374794 Y CN201374794 Y CN 201374794Y CN 200920135441 U CN200920135441 U CN 200920135441U CN 200920135441 U CN200920135441 U CN 200920135441U CN 201374794 Y CN201374794 Y CN 201374794Y
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CN
China
Prior art keywords
audio
audio amplifier
interconnected
amplifier
portable
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN200920135441U
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Chinese (zh)
Inventor
黄天旭
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黄天旭
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Priority to CN200920135441U priority Critical patent/CN201374794Y/en
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Publication of CN201374794Y publication Critical patent/CN201374794Y/en
Anticipated expiration legal-status Critical
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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00Details of transducers, loudspeakers or microphones
    • H04R1/10Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H04R1/1033Cables or cables storage, e.g. cable reels
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2420/00Details of connection covered by H04R, not provided for in its groups
    • H04R2420/09Applications of special connectors, e.g. USB, XLR, in loudspeakers, microphones or headphones
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R27/00Public address systems

Abstract

The utility model belongs to the field of stereo sound boxes, in particular to a portable inter-connectable sound box, which comprises a sound box body. The sound box body is provided with at least one audio transmission hole and is connected with at least one audio cord, the audio cord of the sound box body is plugged into an audio transmission hole of another inter-connectable sound box to form audio signal interconnection between the sound boxes. The utility model further provides a portable sound box combination, which comprises a plurality of portable inter-connectable sound boxes, and the sound boxes realize audio signal interconnection by inserting the audio cords into corresponding audio transmission holes. Through the interconnection method, the sound box can not only keep a distance from other identical sound boxes but realize signal connection with the other identical sound boxes, thereby achieving a shocking effect that multiple sound boxes make stereo music simultaneously.

Description

A kind of portable can interconnected audio amplifier and the audio amplifier combination
[technical field]
The utility model belongs to the stereo speaker field, relate in particular to a kind of portable can interconnected audio amplifier and the audio amplifier combination.
[background technology]
Society is along with development of science and technology and progress constantly emerge more new product, for example in recent years along with computer and networks development and universal, digital product begins constantly to enter in people's work and the life, for example digital products such as MP3 player, MP4 player, digital camera.It is exactly digital audio and video playback apparatus MP3 and MP4 player that above-mentioned these products people carry maximum at any time, these two kinds of players generally just are that a people uses earphone to use, but begun recently to occur can external broadcast miniature loudspeaker box, these audio amplifiers all are to adopt power autonomous active audio amplifier.But when in use, if only use a sound channel audio amplifier, just can't form stereophonic effect, if but use two sound channel audio amplifiers to play stereo music, do not have corresponding distance, can't reach the effect of stereo output again, the audio amplifier of two sound channels that we saw, two audio amplifiers can not separate, and can interconnect; Separated just separate, but do not have signal to connect.In addition, for portable purpose, in miniature loudspeaker box, must reduce the volume and weight of audio amplifier, small size just means can only be suitable for the small-power loudspeaker, also loses sound effect simultaneously.
[summary of the invention]
In view of this, be necessary to provide a kind of can be interconnected with other same audio amplifiers, carry out that audio signal is communicated with portable can interconnected audio amplifier, audio amplifier and other same audio amplifier are kept at a distance, can realize again with other same audio amplifier between signal be connected.
And, provide and have the portable loudspeaker box combination that audio signal connects between a kind of each audio amplifier, audio amplifier and other same audio amplifiers are kept at a distance, can realize that again the mutual signal between them connects, to reach the shock effect that a plurality of audio amplifiers send three-dimensional vocal music simultaneously.
The utility model embodiment provide a kind of portable can interconnected audio amplifier, comprise the audio amplifier body, described audio amplifier body is provided with the defeated hole of at least one audio frequency and is connected with at least one tone frequency channel wire, and the tone frequency channel wire of described audio amplifier body inserts that another is described interconnected with the audio signal that constitutes between the audio amplifier in can the defeated hole of audio frequency of interconnected audio amplifier.
The defeated hole of described at least one audio frequency has the audio frequency input/output function concurrently, and described at least one tone frequency channel wire has the audio frequency input/output function concurrently.
Defeated hole/the line of any audio frequency in the defeated hole of described at least one audio frequency and described at least one tone frequency channel wire is imported as audio frequency, and defeated hole of remaining audio frequency and tone frequency channel wire are all exported as audio frequency.
Described audio amplifier body also is provided with at least one USB seat audio port.
Described at least one USB seat audio port has the audio frequency input/output function concurrently.
Described audio amplifier body comprises loudspeaker located therein, circuit board and rechargeable battery, is provided with the elastic telescopic organ for resonance of wave structure in the described audio amplifier body.
The present invention also provides the combination of a kind of portable loudspeaker box, it comprise aforesaid a plurality of portable can interconnected audio amplifier, fail corresponding the patching in hole by described tone frequency channel wire with corresponding audio frequency between described a plurality of audio amplifiers and carry out the interconnected of audio signal.
Be series connection or symmetry connection between described a plurality of audio amplifier.
Have in described a plurality of audio amplifier between two audio amplifiers that to carry out audio signal by a data wire interconnected at least.
It is interconnected to have at least an audio amplifier and at least three audio amplifiers to carry out audio signal in described a plurality of audio amplifier.
By adopting above-mentioned technical scheme, described portable can interconnected audio amplifier and the audio amplifier combination obtained following technological merit and effect: by the defeated hole of at least one audio frequency on each audio amplifier and at least one tone frequency channel wire, make audio amplifier and other same audio amplifiers interconnected, both realize the separation between audio amplifier, can also carry out simultaneously interconnected on the audio signal.When a plurality of audio amplifiers formed the audio amplifier combination, a plurality of audio amplifiers sent three-dimensional vocal music simultaneously, and volume that exportable power is powerful or amount of bass reinforced effects can realize the shock effect that the heavy caliber loudspeaker are sent fully.In addition, owing to can carry out the interconnected of a plurality of audio amplifiers by simply patching, use simple, with low cost, the individual only need hold a portable loudspeaker box, connects with source of sound or other audio amplifiers, save the space, under the condition that environment allows, invite many portable loudspeaker boxes to add formation audio amplifier combination cluster with said function, just can reach multimedia and home theater shock effect whenever and wherever possible.
[description of drawings]
Fig. 1 is that the portable of the utility model embodiment can interconnected audio amplifier schematic perspective view;
Fig. 2 is the end view of the audio amplifier among Fig. 1;
Fig. 3 stretches out the end view of organ for resonance for the audio amplifier among Fig. 1;
Fig. 4 is the upward view of the audio amplifier among Fig. 1;
Fig. 5 is the perspective exploded view of the audio amplifier among Fig. 1, but does not show drain pan;
Fig. 6 is the first kind of connecting mode structural representation of audio amplifier among a plurality of Fig. 1;
Fig. 7 is the second kind of connecting mode structural representation of audio amplifier among a plurality of Fig. 1;
Fig. 8 is the third connecting mode structural representation of audio amplifier among a plurality of Fig. 1;
Fig. 9 is the 4th kind of connecting mode structural representation of audio amplifier among a plurality of Fig. 1.
[embodiment]
Below in conjunction with accompanying drawing the utility model embodiment is further described:
Shown in Fig. 1-4, be that the portable of the utility model embodiment can interconnected audio amplifier, comprise audio amplifier body 10, described audio amplifier body 10 is provided with the defeated hole 12 of at least one audio frequency and is connected with at least one tone frequency channel wire 14, and the tone frequency channel wire 12 of audio amplifier body 10 can insert that another is described interconnected with the audio signal that constitutes between the audio amplifier in can the defeated hole 14 of audio frequency of interconnected audio amplifier.
The defeated hole 12 of each audio frequency has the audio frequency input/output function concurrently, and each tone frequency channel wire 14 also has the audio frequency input/output function concurrently.Defeated hole/the line of any audio frequency in the defeated hole 12 of this at least one audio frequency and this at least one tone frequency channel wire 14 is imported as audio frequency, and defeated hole of remaining audio frequency and tone frequency channel wire are all exported as audio frequency.When soon certain tone frequency channel wire 14 was defined as the audio frequency input, then defeated hole 12 of other audio frequency and tone frequency channel wire 14 automatically switched to audio frequency output.When the defeated hole of certain audio frequency was defined as the audio frequency input, then tone frequency channel wire 14 automatically switched to audio frequency output.Wherein, the defeated hole 12 of audio frequency is the defeated holes of 3.5 millimeters audio frequency, earpiece holes for example, and tone frequency channel wire 14 is 3.5 millimeters an audio frequency terminal head extended line.
In addition, as shown in Figure 2, audio amplifier body 10 also is provided with at least one USB seat audio port 15.Each USB seat audio port has the audio frequency input/output function concurrently.In illustrated embodiment, the audio amplifier body is provided with the defeated hole of an audio frequency 12, a tone frequency channel wire 14 and a USB seat audio port 15, certainly, can be according to the demand of practical application, the three can be respectively or two or more selectively is set, as a tone frequency channel wire 14 is set, and defeated hole 12 of two or more audio frequency and two or more USB seat audio ports 15, the present invention is not limited to this.
Therefore, in illustrated embodiment, three kinds of possible I/O modes are arranged: when USB seat audio port 15 being defined as audio frequency input, then the tone frequency channel wire 14 of the defeated hole 12 of 3.5 millimeters audio frequency and 3.5 millimeters automatically switches to audio frequency output; When 3.5 millimeters tone frequency channel wire 14 being defined as the audio frequency input, then defeated hole 12 of 3.5 millimeters audio frequency and USB seat audio port 15 automatically switch to audio frequency output; Perhaps, the defeated hole 12 of 3.5 millimeters audio frequency is defined as the audio frequency input, then 3.5 millimeters tone frequency channel wire 14 and USB seat audio port 15 automatically switch to audio frequency output.
Shown in Fig. 3 and 4, the bottom of audio amplifier body 10 is provided with accepting groove 102, when tone frequency channel wire 14 does not use, can be housed in this accepting groove 102, hides tone frequency channel wire 14 thus, is convenient for carrying.
Shown in Fig. 3 and 5, this audio amplifier body 10 comprises interconnective mesochite 8 and base 9, is connected with the elastic telescopic organ for resonance 16 of wave structure on the mesochite 8, and an end of this organ for resonance 16 is connected with mesochite 8, and the other end is connected with fore shell 11.The outside of fore shell 11 is equipped with horn mesh enclosure 17, and organ for resonance 16 can stretch between mesochite 8 and fore shell 11.Adopt the audio amplifier of this structure can be when elasticity organ for resonance 16 stretches out, significantly increase the volume of audio amplifier organ for resonance 16, improve the tonequality of audio amplifier significantly, especially use in the miniature loudspeaker box of small size, the audio amplifier of this structure can significantly promote tone color, and especially the expressive force of centering low frequency audio frequency is improved significantly.
These audio amplifier body 10 inside also are provided with loudspeaker 6, circuit board 7 and rechargeable battery 13, and general loudspeaker 6 and circuit board 7 are arranged in the cavity that mesochite 8 and drain pan 9 constituted.Certainly also can be located in the organ for resonance 16.Also the SD card can be set on this audio amplifier body 10, store a certain amount of music data in it, can be used as the source of sound of single audio amplifier, certainly also can connect external sound source by tone frequency channel wire 14 or USB seat audio port 15, as MP3, MP4, tone frequency channel wire 14, the defeated hole 12 of audio frequency or USB seat audio port 15 can also be as power inputs simultaneously.As shown in Figure 5, the defeated hole 12 of USB seat audio port 15 and audio frequency is arranged on the circuit board 7.As shown in Figure 4, tone frequency channel wire 14 is extend in the mesochite 8 by the bottom of audio amplifier body 10 and is connected with circuit board 7, and is not shown in Fig. 5.
In addition, mesochite 8 and fore shell 11 opposed edges are provided with syndeton, for example, comprise lug 112 and buckle 82 shown in Fig. 3 and 5.By pressing down lid 11, syndeton between mesochite 8 and the fore shell 11 is that lug 112 and buckle 82 fasten mutually, 16 of organ for resonance are compressed the cavity inside that is hidden in mesochite 8 and fore shell 11 formation, and are as illustrated in fig. 1 and 2, also invisible when elastic telescopic organ for resonance 16 shrinks.When untiing syndeton, scalable organ for resonance 16 promptly extends, as shown in Figure 3.
As shown in Figure 6, show that the portable of a plurality of present embodiments can interconnected audio amplifier cascaded structure.By an audio amplifier tone frequency channel wire 14 corresponding defeated holes 12 of audio frequency of inserting another audio amplifier, three audio amplifiers are together in series, form an audio amplifier combination.Carry out audio signal transmission by tone frequency channel wire 14 and the defeated hole 12 of audio frequency between the audio amplifier in this audio amplifier combination.In this audio amplifier combination, after at least one audio amplifier connects source of sound, for example be connected in the audiogenic device by the defeated hole 12 of the audio frequency of one of them audio amplifier free time, tone frequency channel wire 14 or USB seat audio port 15, open each audio amplifier then, can realize a plurality of audio amplifiers playing back music simultaneously, certainly, be respectively arranged with volume control key 18 (as shown in Figure 4) on each audio amplifier, thereby the volume of each audio amplifier, unlatching can independently be controlled, and are not subjected to the influence of other audio amplifiers.
See also Fig. 7, show the structure of a plurality of audio amplifier series connection, a plurality of audio amplifier signals link to each other, and form an audio amplifier combination.Connection between each audio amplifier is similar to connected mode shown in Figure 6, and difference is have among Fig. 7 between two audio amplifiers to link to each other by USB port.For example, two audio amplifiers insert their USB seat audio port 15 by a USB line 19, realize the connection of two audio amplifiers.14 free time of tone frequency channel wire of one of them audio amplifier, certainly also tone frequency channel wire 14 that should the free time can be inserted in the defeated hole of audio frequency of same audio amplifier, make this audio amplifier and three audio amplifiers link, when more tone frequency channel wire 14, the defeated hole of audio frequency or USB seat audio port 15 were set on the audio amplifier, this audio amplifier also can link with the audio amplifier more than three.
See also Fig. 8, show the structure that head and the tail are connected mutually between a plurality of audio amplifiers, promptly the tone frequency channel wire 14 of last audio amplifier is inserted in the defeated hole 12 of audio frequency of first audio amplifier, forms the coupling ring of a sealing, becomes a loop-type audio amplifier combination.In this connecting mode, the USB seat audio port 15 in a plurality of audio amplifiers is an idle condition, and one of them can be received on the external sound source, as MP3 and MP4 player, as the source of sound input of this audio amplifier combination.
See also Fig. 9, show a kind of audio amplifier combination of symmetrical draw bail between a plurality of audio amplifiers, said in addition " symmetry connect " refers to and unlike carrying out head and the tail connecting mode in turn between a plurality of audio amplifiers in front, but with two audio amplifiers be in the middle of starting point, in the defeated hole 12 of two audio frequency of two audio amplifiers, insert the tone frequency channel wire of other audio amplifiers simultaneously, link to each other 14 free time of tone frequency channel wire (promptly not inserting in other audio amplifiers) of these two audio amplifiers by USB line 19 between these two audio amplifiers.Like this, as shown in the figure, be the equal of other audio amplifiers be with these two audio amplifiers as symmetric points, and the bilateral symmetry of this two audio amplifier be coupled to each other, form the draw bail of a symmetry.Certainly, also can be that the audio amplifier of a side is more, be not limited to the audio amplifier quantity of symmetry fully.The tone frequency channel wire 14 of an audio amplifier in two audio amplifiers of centre can be connected to an external sound source, for example illustrated MP3 player 20.
When above-mentioned each audio amplifier is used in combination, only need one of them audio amplifier to use the defeated hole 12 of tone frequency channel wire 14 or USB seat audio port 15 or audio frequency to connect audio-frequence player device, other audio amplifier is realized transmission of audio signals between the audio amplifier by the defeated hole 12 of above-mentioned tone frequency channel wire 14, USB seat audio port 15 or audio frequency.Therefore, described portable can interconnected audio amplifier and the audio amplifier combination can obtain following technological merit and effect: by defeated hole 12 of the audio frequency on each audio amplifier and tone frequency channel wire 14, make audio amplifier and other same audio amplifiers interconnected, both realize the separation between audio amplifier, can also carry out simultaneously interconnected on the audio signal.When a plurality of audio amplifiers formed the audio amplifier combination, a plurality of audio amplifiers sent three-dimensional vocal music simultaneously, and volume that exportable power is powerful or amount of bass reinforced effects can realize the shock effect that the heavy caliber loudspeaker are sent fully.In addition, owing to can carry out the interconnected of a plurality of audio amplifiers by simply patching, use simple, with low cost, the individual only need hold a portable loudspeaker box, connects with source of sound or other audio amplifiers, save the space, under the condition that environment allows, invite many portable loudspeaker boxes to add formation audio amplifier combination cluster with said function, just can reach multimedia and home theater shock effect whenever and wherever possible.
Foregoing description can only be counted as preferred embodiment.Those those of skill in the art in the art and those manufacturings or use people of the present invention should recognize other multiple variation pattern of the present invention.Therefore, it being understood that the above-mentioned illustrated embodiment usefulness that only presents a demonstration, it can't be construed as limiting scope of the present invention, scope of the present invention by according to the principle of Patent Law, comprise that the following claim that the principle of equivalent is explained limits.

Claims (10)

1, a kind of portable can interconnected audio amplifier, comprise the audio amplifier body, it is characterized in that, described audio amplifier body is provided with the defeated hole of at least one audio frequency and is connected with at least one tone frequency channel wire, and the tone frequency channel wire of described audio amplifier body inserts that another is described interconnected with the audio signal that constitutes between the audio amplifier in can the defeated hole of audio frequency of interconnected audio amplifier.
2, according to claim 1 portable can interconnected audio amplifier, it is characterized in that the defeated hole of described at least one audio frequency has the audio frequency input/output function concurrently, described at least one tone frequency channel wire has the audio frequency input/output function concurrently.
3, according to claim 2 portable can interconnected audio amplifier, it is characterized in that, defeated hole/the line of any audio frequency in the defeated hole of described at least one audio frequency and described at least one tone frequency channel wire is imported as audio frequency, and defeated hole of remaining audio frequency and tone frequency channel wire are all exported as audio frequency.
4, according to claim 1 portable can interconnected audio amplifier, it is characterized in that described audio amplifier body also is provided with at least one USB seat audio port.
5, according to claim 4 portable can interconnected audio amplifier, it is characterized in that described at least one USB seat audio port has the audio frequency input/output function concurrently.
6, according to claim 1 portable can interconnected audio amplifier, it is characterized in that described audio amplifier body comprises loudspeaker located therein, circuit board and rechargeable battery, be provided with the elastic telescopic organ for resonance of wave structure in the described audio amplifier body.
7, a kind of portable loudspeaker box combination is characterized in that, comprise a plurality of as claim 1 to 6 each described portable can interconnected audio amplifier, fail corresponding the patching in hole by described tone frequency channel wire and audio frequency accordingly between described a plurality of audio amplifiers and carry out the interconnected of audio signal.
8, portable loudspeaker box combination according to claim 7 is characterized in that, is series connection or symmetry connection between described a plurality of audio amplifiers.
9, portable loudspeaker box according to claim 7 combination is characterized in that, has in described a plurality of audio amplifiers between two audio amplifiers that to carry out audio signal by a data wire interconnected at least.
10, portable loudspeaker box according to claim 7 combination is characterized in that, it is interconnected to have at least an audio amplifier and at least three audio amplifiers to carry out audio signal in described a plurality of audio amplifiers.
CN200920135441U 2009-03-03 2009-03-03 Portable inter-connectable sound box and sound box combination Expired - Fee Related CN201374794Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN200920135441U CN201374794Y (en) 2009-03-03 2009-03-03 Portable inter-connectable sound box and sound box combination

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN200920135441U CN201374794Y (en) 2009-03-03 2009-03-03 Portable inter-connectable sound box and sound box combination
HK10100209A HK1135279A2 (en) 2009-03-03 2010-01-08 A portable inter-connectable sound box and portable sound box assembly
PCT/CN2010/070486 WO2010099712A1 (en) 2009-03-03 2010-02-03 Portable interconnectable loudspeaker and loudspeaker combination

Publications (1)

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CN201374794Y true CN201374794Y (en) 2009-12-30

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HK (1) HK1135279A2 (en)
WO (1) WO2010099712A1 (en)

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WO2010099712A1 (en) * 2009-03-03 2010-09-10 深圳市亚冠电子有限公司 Portable interconnectable loudspeaker and loudspeaker combination
CN102378081A (en) * 2010-08-23 2012-03-14 联想(北京)有限公司 Electronic device and sound producing method thereof and sound box
CN103096194A (en) * 2013-01-16 2013-05-08 刘骏涛 Voice box
CN103581775A (en) * 2012-08-06 2014-02-12 刘骏涛 Miniature sound box
CN103581778A (en) * 2012-08-08 2014-02-12 刘骏涛 Micro loudspeaker box with telescopic resonance chamber
CN103581776A (en) * 2012-08-08 2014-02-12 刘骏涛 Micro loudspeaker box with telescopic resonance chamber
CN103596081A (en) * 2012-08-15 2014-02-19 刘骏涛 Miniature sound box provided with telescopic resonance cavity
CN103596080A (en) * 2012-08-15 2014-02-19 刘骏涛 Miniature sound box provided with telescopic resonance cavity
CN103596079A (en) * 2012-08-15 2014-02-19 刘骏涛 Miniature sound box provided with telescopic resonance cavity
CN103596083A (en) * 2012-08-17 2014-02-19 刘骏涛 Miniature sound box with telescopic resonance cavity
WO2014026357A1 (en) * 2012-08-15 2014-02-20 Liu Juntao Miniature sound box with telescopic resonance cavity
WO2014029072A1 (en) * 2012-08-20 2014-02-27 Liu Juntao Miniature sound box with telescopic resonance cavity
WO2014032308A1 (en) * 2012-08-31 2014-03-06 Liu Juntao Miniature sound box having telescopic resonance chamber
WO2014032309A1 (en) * 2012-08-31 2014-03-06 Liu Juntao Miniature sound box having telescopic resonance chamber
CN103634713A (en) * 2012-08-20 2014-03-12 刘骏涛 Miniature sound box with telescopic resonance cavity
CN103686477A (en) * 2012-08-31 2014-03-26 刘骏涛 Miniature soundbox with telescopic resonance chamber
CN103780984A (en) * 2012-10-22 2014-05-07 苏州辛瑞拉光电科技有限公司 High-definition sound device
CN103796118A (en) * 2013-12-24 2014-05-14 昆山市圣光新能源科技有限公司 Portable loudspeaker box with SD card data reading function
CN104602160A (en) * 2014-11-25 2015-05-06 李世煌 Digital loudspeaker and connection method thereof
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WO2010099712A1 (en) * 2009-03-03 2010-09-10 深圳市亚冠电子有限公司 Portable interconnectable loudspeaker and loudspeaker combination
CN102378081A (en) * 2010-08-23 2012-03-14 联想(北京)有限公司 Electronic device and sound producing method thereof and sound box
WO2014022978A1 (en) * 2012-08-06 2014-02-13 Liu Juntao Mini sound box
CN103581775A (en) * 2012-08-06 2014-02-12 刘骏涛 Miniature sound box
CN103581778A (en) * 2012-08-08 2014-02-12 刘骏涛 Micro loudspeaker box with telescopic resonance chamber
CN103581776A (en) * 2012-08-08 2014-02-12 刘骏涛 Micro loudspeaker box with telescopic resonance chamber
WO2014023019A1 (en) * 2012-08-08 2014-02-13 Liu Juntao Miniature sound box provided with telescopic resonance cavity
WO2014026366A1 (en) * 2012-08-15 2014-02-20 Liu Juntao Miniature sound box with telescopic resonance cavity
CN103596081A (en) * 2012-08-15 2014-02-19 刘骏涛 Miniature sound box provided with telescopic resonance cavity
CN103596080A (en) * 2012-08-15 2014-02-19 刘骏涛 Miniature sound box provided with telescopic resonance cavity
CN103596079A (en) * 2012-08-15 2014-02-19 刘骏涛 Miniature sound box provided with telescopic resonance cavity
WO2014026357A1 (en) * 2012-08-15 2014-02-20 Liu Juntao Miniature sound box with telescopic resonance cavity
WO2014026359A1 (en) * 2012-08-15 2014-02-20 Liu Juntao Miniature sound box with telescopic resonance cavity
CN103596083A (en) * 2012-08-17 2014-02-19 刘骏涛 Miniature sound box with telescopic resonance cavity
WO2014026394A1 (en) * 2012-08-17 2014-02-20 Liu Juntao Micro louderspeaker box with telescopic resonance cavity
CN103634713A (en) * 2012-08-20 2014-03-12 刘骏涛 Miniature sound box with telescopic resonance cavity
WO2014029072A1 (en) * 2012-08-20 2014-02-27 Liu Juntao Miniature sound box with telescopic resonance cavity
CN103634714A (en) * 2012-08-20 2014-03-12 刘骏涛 Miniature sound box with telescopic resonance cavity
WO2014032308A1 (en) * 2012-08-31 2014-03-06 Liu Juntao Miniature sound box having telescopic resonance chamber
WO2014032309A1 (en) * 2012-08-31 2014-03-06 Liu Juntao Miniature sound box having telescopic resonance chamber
CN103686476A (en) * 2012-08-31 2014-03-26 刘骏涛 Miniature soundbox with telescopic resonance chamber
CN103686477A (en) * 2012-08-31 2014-03-26 刘骏涛 Miniature soundbox with telescopic resonance chamber
CN103686478A (en) * 2012-08-31 2014-03-26 刘骏涛 Miniature soundbox with telescopic resonance chamber
CN103780984A (en) * 2012-10-22 2014-05-07 苏州辛瑞拉光电科技有限公司 High-definition sound device
CN103096194A (en) * 2013-01-16 2013-05-08 刘骏涛 Voice box
WO2014110738A1 (en) * 2013-01-16 2014-07-24 Liu Juntao Loudspeaker
CN103796118A (en) * 2013-12-24 2014-05-14 昆山市圣光新能源科技有限公司 Portable loudspeaker box with SD card data reading function
WO2015100671A1 (en) * 2013-12-30 2015-07-09 刘骏涛 Miniature audio electronic
CN104602160A (en) * 2014-11-25 2015-05-06 李世煌 Digital loudspeaker and connection method thereof
CN104602160B (en) * 2014-11-25 2018-11-06 新加坡振源科技有限公司 A kind of digital sound box and attaching method thereof

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