CN202425021U - Multi-track home theater system - Google Patents
Multi-track home theater system Download PDFInfo
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- CN202425021U CN202425021U CN2011205504849U CN201120550484U CN202425021U CN 202425021 U CN202425021 U CN 202425021U CN 2011205504849 U CN2011205504849 U CN 2011205504849U CN 201120550484 U CN201120550484 U CN 201120550484U CN 202425021 U CN202425021 U CN 202425021U
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- rotating shaft
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Abstract
The utility model relates to a multi-track home theater system, which comprises a multi-track sound box component containing a plurality of sound boxes, a sound source apparatus outputting an audio signal to the multi-track sound box component, and a lifting device for lifting the sound boxes in the multi-track sound box component to the same height. The system integrates all sound boxes into a cellular case in which all lines are contained. The case is installed above the head of a listener, so during use, the listener can finish connecting all lines of the theater system only by plugging a power line, which is simple and applicable and improves the popularization of the multi-track home theater system. Each sound box descends from the case to a position level with the ear of the listener in a hanging way, and the laying positions of the multi-track sound boxes meet acoustic requirements best; meanwhile, the sound boxes are near the listener, so that the remarkable sound effect can be achieved only by a low power amplifier and sound box system, and the system cost and energy consumption are greatly reduced.
Description
Technical field
The utility model relates to the stereo set technical field, relates in particular to a kind of multichannel household audio and video system.
Background technology
As user at home during movie; In order to produce the acoustics of movie theatre at home, produce enough sound pressure levels, and telepresenc true to nature; At present; 5.1 household audio and video systems that existing multichannel household audio and video system generally adopts Doby AC-3 standard to make, it comprises sound source, decoding, 5.1 sound channel power amplifiers, and 5.1 sound channel sound box systems.
Before using 5.1 household audio and video systems, need 5 audio amplifiers (left front, mid-, right front a, left side around, right around) be arranged in correct position, room, its standard, meet the disposing way that acoustic technique requires and be; When the auditor is in the middle of the room; Left front, mid-, right front three audio amplifiers are placed in auditor the place ahead, and the auditor will form equilateral triangle with left front and right front audio amplifier, a left side around with the right side around being placed in auditor's proceeds posterolateral respectively; Simultaneously; The height of five audio amplifiers should with height such as auditor's ear height grade, make 5 audio amplifiers around surrounding the auditor, if can not put the audio amplifier position according to this requirement; Then can't reach the specification requirement of Doby 5.1 home theaters fully, the auditor also just can't enjoy the acoustics of Doby 5.1 home theaters to the full.
Therefore, the science of audio amplifier position is put, and is the most important factor that 5.1 household audio and video systems are installed, and can it have determined system experience really for the best audition of auditor.
But, because the requirement of acoustic technique makes existing 5.1 household audio and video systems have following difficult point installing:
1, need the output line of 5.1 sound channel power amplifiers be connected 5 audio amplifiers respectively, 5 audio amplifiers are placed on the position that meets specification requirement, under the situation that home decoration has been accomplished, it is attractive in appearance that external audio amplifier line has a strong impact on family;
2, since 5 sound channel audio amplifiers put requirement for height and height such as auditor's ear grade, in general family, surrounding sound speaker put highly with this will to influence the room attractive in appearance; Bring insecurity to children simultaneously, therefore, in actual the use; Surrounding sound speaker is often high to be hung on the wall; More than the 180cm of ground,, run counter to the specification requirement of 5.1 household audio and video systems thus considerably beyond auditor's ear height;
3, in actual use; Left front, right front, center channels audio amplifier generally apart from about auditor 2-3 rice, reach enough sound pressure levels, and 5.1 power amplifiers and sound box system must have enough power; The use of high-power power amplifier and audio amplifier then brings higher cost, has increased energy consumption simultaneously;
4, complicated and loaded down with trivial details line brings the trouble of installing and using to the user, and the line loose contact brings puzzlement to the user.
The utility model content
The main purpose of the utility model is to provide a kind of integrated form multichannel household audio and video system simple in structure, easy to use.
In order to achieve the above object; The utility model proposes a kind of multichannel household audio and video system, comprising: comprise the multichannel audio amplifier assembly of a plurality of audio amplifiers, to the audiogenic device of said multichannel audio amplifier assembly output audio signal and be used for going up and down said each audio amplifier of multichannel audio amplifier assembly and make the identical lowering or hoisting gear of each audio amplifier adjustable height.
Preferably, said lowering or hoisting gear comprises: motor, multiple rotating shaft and many up-down ropes, wherein:
Said multiple rotating shaft connects with said motor, by said electrode drive rotation; Said multiple rotating shaft is positioned at the top of said a plurality of audio amplifiers, and said multiple rotating shaft is provided with the circular orbit of a plurality of depressions vertically, the corresponding said audio amplifier of each said track;
Its other end was wrapped in respectively on the circular orbit of said multiple rotating shaft after each said up-down rope one end hung said audio amplifier.
Preferably, each said up-down rope upper sleeve through have one be used for said up-down rope is imported the corresponding orbital position of said multiple rotating shaft guide pipe.
Preferably, said track is provided with the installing hole that the up-down rope is installed, and screws in a screw after said up-down rope one end inserts in the said installing hole said up-down rope is fixed.
Preferably, said multiple rotating shaft is a hollow pipe, and the rotating shaft of said motor is inserted in the centre bore of said multiple rotating shaft one end, and is fixedly connected with said multiple rotating shaft.
Preferably, said system comprises that also one is used for the cabinet of ccontaining said multichannel audio amplifier assembly and lowering or hoisting gear; Said cabinet bottom is provided with the confession via hole that rope wears that respectively goes up and down.
Preferably, said lowering or hoisting gear comprises that also one is used to locate the hub of each said guide pipe, and said hub is fixed in the said cabinet through the screw hole of side.
Preferably, said audiogenic device passes through the ANTENNAUDIO transmitter module to said multichannel audio amplifier assembly output audio signal; Said multichannel audio amplifier assembly also comprises ANTENNAUDIO receiver module, power supply and sound channel power amplifier, said ANTENNAUDIO receiver module and the wireless connections of said ANTENNAUDIO transmitter module; Said power supply and sound channel power amplifier are connected between said ANTENNAUDIO receiver module and each the said audio amplifier.
Preferably, said system also comprises display device, is connected with said audiogenic device, receives the picture signal of said audiogenic device output.
Preferably, said system also comprise be used to control said motor just/controller of counter-rotating, the forwards/reverse rotation through said multiple rotating shaft makes twines up-down rope declines/rises above that, thereby controls the height that audio amplifier hangs; Height after each said audio amplifier descends and auditor's height such as ear.
A kind of multichannel household audio and video system that the utility model proposes; All audio amplifiers in the multichannel household audio and video system all are integrated in the cellular cabinet, and all lines all are contained in cabinet inside, and cabinet is installed on the position of auditor's overhead; When using; Line can be accomplished whole lines of cinema system as long as the auditor plugs in, and is simple, and overcome the loaded down with trivial details wiring of traditional multichannel household audio and video system; And the influence attractive in appearance to family that brings thus, thereby but improved the generalization of multichannel household audio and video system; Each audio amplifier drops to the position with height such as auditor's ear grade with the mode of dangling from cabinet; Can realize meeting the multichannel audio amplifier putting position of acoustics requirement; Simultaneously, audio amplifier is very near apart from the auditor, adopts low power power amplifier and sound box system; Can realize the acoustics that shakes significantly reducing system cost and energy consumption.
Description of drawings
Fig. 1 is the theory diagram of the utility model multichannel household audio and video system preferred embodiment;
Fig. 2 is the sketch map that is connected of lowering or hoisting gear and each audio amplifier in the preferred embodiment of the utility model multichannel household audio and video system;
Fig. 3 is the structural representation of multiple rotating shaft shown in Figure 2;
Fig. 4 is a up-down rope scheme of installation in orbit shown in Figure 2;
Fig. 5 is the position distribution sketch map of each audio amplifier in cabinet shown in Figure 2.
Clearer for the technical scheme that makes the utility model, clear, will combine accompanying drawing to do further to detail below.
Embodiment
The utility model embodiment solution mainly is: all audio amplifiers in the multichannel household audio and video system all are integrated in the cellular cabinet; All lines all are contained in cabinet inside; Cabinet is installed on the position of auditor's overhead; When using, line can be accomplished whole lines of cinema system as long as the auditor plugs in.In addition, each audio amplifier drops to the position with height such as auditor's ear grade with the mode of dangling from cabinet, can realize meeting the multichannel audio amplifier putting position of acoustics requirement.
5.1 household audio and video system, 7.1 household audio and video systems and other multichannel household audio and video systems all can adopt the utility model multichannel household audio and video system, following examples illustrate with 5.1 household audio and video systems.
Please with reference to Fig. 1 and shown in Figure 2, Fig. 1 is the theory diagram of the utility model multichannel household audio and video system preferred embodiment; Fig. 2 is the sketch map that is connected of lowering or hoisting gear 5 and each audio amplifier in the preferred embodiment of the utility model multichannel household audio and video system.A kind of multichannel household audio and video system that the utility model preferred embodiment proposes comprises: multichannel audio amplifier assembly 1, audiogenic device 2, display device 4 and lowering or hoisting gear 5, wherein:
Particularly, as shown in Figure 1, multichannel audio amplifier assembly 1 comprises multichannel audio amplifier 12, ANTENNAUDIO receiver module 11, power supply and sound channel power amplifier 13.Wherein, multichannel audio amplifier 12 comprises a plurality of audio amplifiers of different sound channels, ANTENNAUDIO receiver module 11 and 3 wireless connections of ANTENNAUDIO transmitter module; Power supply and sound channel power amplifier 13 are connected between ANTENNAUDIO receiver module 11 and each audio amplifier.
Each audio amplifier in the multichannel audio amplifier assembly 1 carries out oscilaltion through lowering or hoisting gear 5; When the user need use the multichannel household audio and video system of present embodiment; Lowering or hoisting gear 5 is reduced to correct position with said each audio amplifier, to reach the best acoustics of multichannel household audio and video system.
Particularly, present embodiment lowering or hoisting gear 5 comprises: cabinet 6, motor 51, multiple rotating shaft 52, many up-down ropes 53, guide pipe 54 and hubs 55, wherein:
Multiple rotating shaft 52 connects with motor 51, by motor 51 driven in rotation for being provided with the hollow circular-tube of a plurality of depression circular orbits 521.
When concrete the installation, the rotating shaft of motor 51 is inserted in the centre bore 524 of multiple rotating shaft 52 1 ends, and the outer circumferential side of multiple rotating shaft 52 1 ends is provided with motor 51 installing holes 523, inserts these motor 51 installing holes 523 through screw, and motor 51 is fixedly connected with multiple rotating shaft 52.
In order to realize the oscilaltion to each audio amplifier, multiple rotating shaft 52 places the top of each audio amplifier in the present embodiment, and it is axially arranged with the circular orbit 521 of a plurality of depressions in multiple rotating shaft 52 upper edges simultaneously, each track 521 corresponding audio amplifier; And with corresponding audio amplifier between be connected with a up-down rope 53, be wrapped on the above-mentioned depression circular orbit 521 through up-down rope 53, the audio amplifier of correspondence is suspended in the multiple rotating shaft 52.
Wherein, like Fig. 3 and shown in Figure 4, the following mode of fixedly employing of the track 521 of up-down rope 53 in multiple rotating shaft 52:
The installing hole 522 that up-down rope 53 is installed is set on track 521, and the shape of this installing hole 522 is preferable with the little waist-shaped hole of the big other end of an end, wherein; A little end is up-down rope 53 patchhole A; Be used for inserting up-down rope 53, a big end is screw insertion hole B, is used for mounting screw 526.
When mounted; At first up-down rope 53 connects the right angle Z font that an end of tracks 521 is set to turn round; Inserting installing hole 522 little ends is in the rope patchhole A; And turn round and extend to the bottom of screw insertion hole B, then screw 526 is screwed in the screw insertion hole B, thereby an end of up-down rope 53 is fixed.When multiple rotating shaft 52 rotations, up-down rope 53 is wrapped on the track 521 of multiple rotating shaft 52 naturally.Can guarantee that through multiple rotating shaft 52 each audio amplifier adjustable height is consistent.
With 5.1 household audio and video systems is example, comprises five audio amplifiers, is respectively: L channel audio amplifier 121, center-channel speaker 122, R channel audio amplifier 123, left surround speaker 124 and right surround speaker 125.
The track 521 that five depressions are arranged in the multiple rotating shaft 52; When reality is used; The axle of motor 51 is inserted in the hollow pipe of multiple rotating shaft 52 and with screw and pin, can drive multiple rotating shaft 52 rotations, the up-down rope 53 of five audio amplifiers 121,122,123,124,125 is wrapped in respectively on five tracks 521; Follow multiple rotating shaft 52 and rotate together, audio amplifier is gone up and down.After five audio amplifiers 121,122,123,124,125 descended, the position distribution mode below cabinet 6 was as shown in Figure 2.
In addition, attractive in appearance for the ease of family, present embodiment is contained in multichannel audio amplifier assembly 1 and lowering or hoisting gear 5 in the cabinet 6.Cabinet 6 is suspended on the top in room, specifically can be positioned at auditor's overhead; Simultaneously, be provided with the confession via hole 61 that rope 53 wears that respectively goes up and down in cabinet 6 bottoms.In the time need not using audio amplifier, cabinet 6 all is integrated together all audio amplifiers in the multichannel household audio and video system, and just as a honeycomb, all lines are all in cabinet 6 inside.When the auditor need use audio amplifier, line had just been accomplished whole lines of cinema system as long as the auditor plugs in, under the effect of lowering or hoisting gear 5; Audio amplifier drops to the position with height such as auditor's ear grade with the mode of dangling from cabinet 6, thus, can realize meeting most the multichannel audio amplifier putting position of acoustics requirement; Simultaneously; Because audio amplifier is very near apart from the auditor, can adopt low power power amplifier 13 and sound box system, can realize the acoustics that shakes; Reach and reduce cost the purpose that cuts down the consumption of energy.
Wherein, The auditor can realize through controllers such as remote controllers the control of lowering or hoisting gear 5; By controller control motor just/counter-rotating; And then drive the forwards/reverse rotation of above-mentioned multiple rotating shaft 52, make to be wrapped in up-down rope 53 declines/rise in the multiple rotating shaft 52, thereby control the height that audio amplifier hangs.
Particularly, when the auditor needs lowering or hoisting gear 5 work, give 51 1 positive voltage signal of motor through controller; Motor 51 forward rotation drive multiple rotating shaft 52 forward rotation, and the up-down rope 53 on each track 521 unclamps; After each audio amplifier drops to correct height together; Motor 51 quits work, and each audio amplifier is maintained at same working depth, to satisfy the acoustics requirement.
When the user stops using lowering or hoisting gear 5, give 51 1 negative voltage signals of motor, motor 51 backward rotation through controller; Driving multiple rotating shaft 52 reverse rotations rises each audio amplifier jointly; Receipts avoid audio amplifier to damage because of reasons such as collisions as in the cabinet 6, keep room environment attractive in appearance simultaneously.
Further, for the ease of up-down rope 53 being imported track 521 positions of multiple rotating shaft 52 correspondences, present embodiment also has guide pipe 54 at each root up-down rope 53 upper sleeve through.
One end of the suspension cord of audio amplifier is wrapped in the multiple rotating shaft 52; The other end passes guide pipe 54 and is connected with audio amplifier; Guide pipe 54 can fitly be directed into the up-down rope 53 of different directions track 521 positions of multiple rotating shaft 52, and is fixed in the installing hole 522 of insertion up-down rope 53.
In addition; For each up-down rope 53 is better located, present embodiment is fixed a plurality of guide pipes 54 through hub 55 as a whole, and the side of hub 55 is provided with screw hole 525; Through the screw hole 525 of hub 55 sides, hub 55 can be fixed in the cabinet 6.
In use, only need cabinet 6 is installed on family's correct position, for example on the wall behind the sofa; Again ANTENNAUDIO transmitter module 3 is inserted on the audiogenic device 2, has accomplished the connection of whole systems thus, for the user; Only needing increases a supply socket to system; Simple, overcome the loaded down with trivial details wiring of traditional multichannel household audio and video system, and the influence attractive in appearance to family that brings thus.
Be the operation principle that example further specifies present embodiment with 5.1 household audio and video systems below:
The audiogenic device 2 of 5.1 household audio and video systems is put with display device 4; The audio amplifier 121,122,123,124,125 of five sound channels is all concentrated and is contained in the cabinet 6 (as shown in Figure 5); Simultaneously, also be equipped with lowering or hoisting gear 5, power supply and 5.1 sound channel power amplifiers 13 and ANTENNAUDIO receiver module 11 in the cabinet 6.
When the auditor needs the work of 5.1 household audio and video systems; Audiogenic device 2 with wired mode transmitted image signal to display device 4; The multi-channel audio signal of audiogenic device 2 is launched through ANTENNAUDIO transmitter module 3, offers the ANTENNAUDIO receiver module 11 in the cabinet 6.
ANTENNAUDIO receiver module 11 sends to 5.1 sound channel power amplifiers, 13,5.1 sound channel power amplifiers 13 with corresponding audio signal output to multichannel audio amplifier 12 with the audio signal that receives.
Simultaneously, through the control of auditor, and then motor 51 is just being changeed to controller; Driving multiple rotating shaft 52 rotates; Five audio amplifiers, 121,122,123,124,125 corresponding up-down ropes 53 are unclamped, and after each audio amplifier dropped to correct height together, motor 51 quit work; Each audio amplifier is maintained at same working depth, makes the auditor obtain best movie theatre effect.
When the user need not use audio amplifier; Give 51 1 reverse signals of motor through controller; Driving multiple rotating shaft 52 by motor 51 rotates; Five audio amplifiers, 121,122,123,124,125 corresponding up-down ropes 53 are upwards promoted, five audio amplifiers 121,122,123,124,125 are received to cabinet 6, reach room effect attractive in appearance thus.
Through said structure, present embodiment has overcome prior art installation wiring difficulty, the shortcoming that each audio amplifier can't rationally be put in the use, power causes the cost height greatly, energy consumption is high.The user only need plug a power line, ANTENNAUDIO transmitter module 3 is inserted on the audiogenic devices 2 such as DVD again, has promptly accomplished the whole installation work of home theater, and is simple and convenient.
Compare prior art, present embodiment multichannel household audio and video system has the following advantages:
1, can guarantee to meet 5.1 home theater building modes of Principles of Acoustics from putting position, reach the unapproachable movie theatre experience effect of existing average family cinema system;
2, audio amplifier can be placed in the height very near apart from the auditor, and therefore, system can guarantee best acoustics with very little power output.Is example with audio amplifier apart from auditor 30cm, supposes that single audio amplifier sensitivity is 84dB1 watt 1 meter, if will reach the acoustic pressure loudness of 100dB to the auditor, then only needs the power of output 4W to reach; And if audio amplifier if will reach 100dB acoustic pressure loudness equally, then need be exported the power of 130W apart from 2 meters of auditors' distance; Therefore, the utility model can significantly reduce system cost and energy consumption;
3, the present embodiment technical scheme can realize 5.1 systems, 7.1 systems, various multichannel household audio and video system schemes such as system N.1 easily; Give 6.1,7.1, N.1 wait more senior multichannel cinema system entering family that good product solution is provided; And present traditional-family's movie theatre technology will realize the more household audio and video system of multichannel, because complicacy is put in the audio amplifier position; Influence to home environment is bigger, is difficult to promote entering family.
In sum, the utility model embodiment multichannel household audio and video system all is integrated into all audio amplifiers in the multichannel household audio and video system in the cellular cabinet 6; All lines all are placed in cabinet 6 inside; Cabinet 6 is installed on the position of auditor's overhead, and when using, line can be accomplished whole lines of cinema system as long as the auditor plugs in; Simple; And overcome the loaded down with trivial details wiring of traditional multichannel household audio and video system, and the influence attractive in appearance that brings thus to family, thereby but improved the generalization of multichannel household audio and video system; Each audio amplifier drops to the position with height such as auditor's ear grade with the mode of dangling from cabinet 6; Can realize meeting the multichannel audio amplifier putting position of acoustics requirement; Simultaneously, audio amplifier is very near apart from the auditor, adopts low power power amplifier and sound box system; Can realize the acoustics that shakes significantly reducing system cost and energy consumption.
The above is merely the preferred embodiment of the utility model; Be not thus the restriction the utility model claim; Every equivalent structure or flow process conversion that utilizes the utility model specification and accompanying drawing content to be done; Or directly or indirectly be used in other relevant technical field, all in like manner be included in the scope of patent protection of the utility model.
Claims (10)
1. multichannel household audio and video system; It is characterized in that, comprising: comprise the multichannel audio amplifier assembly of a plurality of audio amplifiers, to the audiogenic device of said multichannel audio amplifier assembly output audio signal and be used for going up and down said each audio amplifier of multichannel audio amplifier assembly and make the identical lowering or hoisting gear of each audio amplifier adjustable height.
2. system according to claim 1 is characterized in that, said lowering or hoisting gear comprises: motor, multiple rotating shaft and many up-down ropes, wherein:
Said multiple rotating shaft connects with said motor, by said electrode drive rotation; Said multiple rotating shaft is positioned at the top of said a plurality of audio amplifiers, and said multiple rotating shaft is provided with the circular orbit of a plurality of depressions vertically, the corresponding said audio amplifier of each said track;
Its other end was wrapped in respectively on the circular orbit of said multiple rotating shaft after each said up-down rope one end hung said audio amplifier.
3. system according to claim 2 is characterized in that, each said up-down rope upper sleeve through have one be used for said up-down rope is imported the corresponding orbital position of said multiple rotating shaft guide pipe.
4. system according to claim 2 is characterized in that, said track is provided with the installing hole that the up-down rope is installed, and screws in a screw after said up-down rope one end inserts in the said installing hole said up-down rope is fixed.
5. system according to claim 2 is characterized in that, said multiple rotating shaft is a hollow pipe, and the rotating shaft of said motor is inserted in the centre bore of said multiple rotating shaft one end, and is fixedly connected with said multiple rotating shaft.
6. system according to claim 3 is characterized in that, said system comprises that also one is used for the cabinet of ccontaining said multichannel audio amplifier assembly and lowering or hoisting gear; Said cabinet bottom is provided with the confession via hole that rope wears that respectively goes up and down.
7. system according to claim 6 is characterized in that, said lowering or hoisting gear comprises that also one is used to locate the hub of each said guide pipe, and said hub is fixed in the said cabinet through the screw hole of side.
8. according to each described system among the claim 1-7, it is characterized in that said audiogenic device passes through the ANTENNAUDIO transmitter module to said multichannel audio amplifier assembly output audio signal; Said multichannel audio amplifier assembly also comprises ANTENNAUDIO receiver module, power supply and sound channel power amplifier, said ANTENNAUDIO receiver module and the wireless connections of said ANTENNAUDIO transmitter module; Said power supply and sound channel power amplifier are connected between said ANTENNAUDIO receiver module and each the said audio amplifier.
9. system according to claim 8 is characterized in that said system also comprises display device, is connected with said audiogenic device, receives the picture signal of said audiogenic device output.
10. system according to claim 2; It is characterized in that; Said system also comprise be used to control said motor just/controller of counter-rotating, the forwards/reverse rotation through said multiple rotating shaft makes twines up-down rope declines/rises above that, thereby controls the height that audio amplifier hangs; Height after each said audio amplifier descends and auditor's height such as ear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205504849U CN202425021U (en) | 2011-12-26 | 2011-12-26 | Multi-track home theater system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205504849U CN202425021U (en) | 2011-12-26 | 2011-12-26 | Multi-track home theater system |
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| Publication Number | Publication Date |
|---|---|
| CN202425021U true CN202425021U (en) | 2012-09-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205504849U Expired - Lifetime CN202425021U (en) | 2011-12-26 | 2011-12-26 | Multi-track home theater system |
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| Country | Link |
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| CN (1) | CN202425021U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104902379A (en) * | 2015-03-30 | 2015-09-09 | 佛山市毅丰电器实业有限公司 | Sound system |
| WO2015149680A1 (en) * | 2014-04-04 | 2015-10-08 | Sengled Optoelectronics Co., Ltd | Led lighting device, wireless speaker system, and wireless audio playing method |
-
2011
- 2011-12-26 CN CN2011205504849U patent/CN202425021U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015149680A1 (en) * | 2014-04-04 | 2015-10-08 | Sengled Optoelectronics Co., Ltd | Led lighting device, wireless speaker system, and wireless audio playing method |
| US9826298B2 (en) | 2014-04-04 | 2017-11-21 | Sengled Optoelectronics Co., Ltd | LED lighting device, wireless speaker system, and wireless audio playing method |
| CN104902379A (en) * | 2015-03-30 | 2015-09-09 | 佛山市毅丰电器实业有限公司 | Sound system |
| CN104902379B (en) * | 2015-03-30 | 2018-05-01 | 佛山市毅丰电器实业有限公司 | A kind of sound system |
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