CN203968212U - Multifunctional audio video control system - Google Patents
Multifunctional audio video control system Download PDFInfo
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- CN203968212U CN203968212U CN201420328273.4U CN201420328273U CN203968212U CN 203968212 U CN203968212 U CN 203968212U CN 201420328273 U CN201420328273 U CN 201420328273U CN 203968212 U CN203968212 U CN 203968212U
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Abstract
The utility model provides a kind of multifunctional audio video control system, belongs to audio frequency and video control technology field.This audio frequency and video control system at least comprises concentrated setting display module, requesting song module, video playback module, voice input module, power amplifier output module and switching controls module together; Wherein, switching controls module is connected with requesting song module, video playback module, voice input module, power amplifier output module and display module respectively; Described switching controls module is configured with the switch key that is switchably operated in karaoke mode or video play mode for controlling described audio frequency and video control system.This multifunctional audio video control system can easily realize the video playback capability of Kara OK function and theater type, easy switching, and manipulation is simple, and user experiences, and application scenario is very extensive.
Description
Technical field
The utility model belongs to audio frequency and video control technology field, relates in particular to a kind of multifunctional audio video control system being switchably operated under karaoke mode or video play mode.
Background technology
At present, many public situation among a small circle, in the time having a meeting, sing amusement, dancing party, film broadcasting, all adopt separately independently entertainment systems to realize, and these systems are all to adopt the mode of temporarily building to realize; For example, when meeting, need to adopt power amplifier and microphone etc., while singing amusement, need to adopt song-order machine, power amplifying device, microphone etc., film need to adopt DVD and projecting apparatus etc. while broadcasting.The establishment of this entertainment systems is a relative loaded down with trivial details process with overlap joint, wiring is numerous, and need debugging, layman cannot operate at all, and be difficult to realize multifunction, like this, limit the function of public situation party, for example, the entertainment systems that is used for the party of singing amusement can not be realized video display broadcasting, for before the entertainment systems of having a meeting meeting in session, meeting or can not realize after the meeting amusement function, the entertainment systems of playing for video display can not be used for the functions such as realization Karaoke, small-sized interim dancing party.Therefore, independently entertainment systems can not be suitable for the multifunctional application demand of similar public situation completely separately, is unsuitable for enriching the masses' culture life requirement, poor user experience.
Utility model content
The purpose of this utility model is, proposes a kind of multifunctional audio video control system easy to use, that be applicable to many applications.
For realizing above object or other objects, the utility model provides a kind of multifunctional audio video control system, and described audio frequency and video control system at least comprises concentrated setting display module, requesting song module, video playback module, voice input module, power amplifier output module and switching controls module together;
Wherein, described switching controls module is connected with described requesting song module, video playback module, voice input module, power amplifier output module and display module respectively;
Described switching controls module is configured with the switch key that is switchably operated in karaoke mode or video play mode for controlling described audio frequency and video control system.
Under described karaoke mode, the audio signal of described requesting song module and the output of described voice input module is selected to export to described power amplifier output module by described switching controls module, and the vision signal of described requesting song module output is selected to export to the video output interface of described display module and/or described audio frequency and video control system by described switching controls module;
Wherein, under described video play mode, the vision signal that described video playback module is exported is selected to export to the video output interface of described display module and/or described audio frequency and video control system by described switching controls module, the audio signal that described video playback module is exported is selected to export to described power amplifier output module by described switching controls module.
According to the audio frequency and video control system of the utility model one embodiment, wherein, also comprise terminal box, described terminal box and display module, requesting song module, video playback module, voice input module, power amplifier output module is together with switching controls module concentrated setting, in described terminal box, be provided with the video output interface of described audio frequency and video control system, audio output interface and power interface, be described display module by the power interface of described terminal box, requesting song module, video playback module, voice input module, the unified power supply of power amplifier output module and switching controls module.
Preferably, described terminal box is configured with mixed-media network modules mixed-media, is provided for the wired or wireless network interface being connected with external the Internet in mixed-media network modules mixed-media.
Preferably, described display module, requesting song module, video playback module, voice input module, power amplifier output module, switching controls module and terminal box by concentrated setting in rack.
Preferably, in described rack, be also provided with drawer box.
According to the audio frequency and video control system of the another embodiment of the utility model, wherein, described video playback module is the video disc playing device with Internet video playing function and external hard disk playing function.
Preferably, on described video disc playing device, be provided with for the USB interface of external external hard disk and for the network interface of access network.
Preferably, described video playback module comprises the first memory module for supporting described Internet video playing function, described the first memory module can be arranged on to plug in described video playback module, and described the first memory module operationally by access network to carry out content update.
According to the also audio frequency and video control system of an embodiment of the utility model, wherein, in described requesting song module, be provided with the second memory module, it is at least for storing song related content, described the second memory module can be arranged on to plug requesting song module in, and described memory module operationally by access network to carry out content update.
In the audio frequency and video control system of described arbitrary embodiment before, alternatively, described voice input module is wired or wireless microphone apparatus.
In the audio frequency and video control system of described arbitrary embodiment before, preferably, described display unit is touch-screen, and described touch-screen is as the touch-control input device of described multifunctional audio video control system, and described switch key is arranged on described touch-screen.
In the audio frequency and video control system of described arbitrary embodiment before, preferably, described touch-screen telescopically is loaded in described rack.
In the audio frequency and video control system of described arbitrary embodiment before, preferably, described multifunctional audio video control system disposes remote controller, and described switch key is arranged on described remote controller.
In the audio frequency and video control system of described arbitrary embodiment before, preferably, described switch key comprises Audio conversion key and video switch key, described in while pressing described Audio conversion key, multifunctional audio video control system is operated under karaoke mode, while pressing described video switch key described in multifunctional audio video control system be operated under video play mode.
In the audio frequency and video control system of described arbitrary embodiment before, preferably, in described terminal box, be also provided with the lamp control interface for exporting acoustic control lamp light signal.
Technique effect of the present utility model is, this multifunctional audio video control system not only can realize the video playback capability of Kara OK function, theater type, and easy switching, and manipulation is simple; And wiring is simple, very easy to use, carry also very conveniently, be easy to realize mobile movie theatre, recreation center function flows.This multifunctional audio video control system can be extensive in various applications.
Brief description of the drawings
From following detailed description by reference to the accompanying drawings, will make above and other object of the present utility model and advantage more complete clear, wherein, same or analogous key element adopts identical label to represent.
Fig. 1 is according to the structural representation of the audio frequency and video control system of the utility model one embodiment.
Fig. 2 is according to the annexation schematic diagram between the modules of the audio frequency and video control system of the utility model one embodiment.
Fig. 3 is according to the modular structure schematic diagram of the switching controls module of the utility model one embodiment.
Embodiment
What introduce below is some in multiple possibility embodiment of the present utility model, aims to provide basic understanding of the present utility model, is not intended to confirm key of the present utility model or conclusive key element or limits claimed scope.Easily understand, according to the technical solution of the utility model, do not changing under connotation of the present utility model other implementations that one of ordinary skill in the art can propose mutually to replace.Therefore, below embodiment and accompanying drawing be only the exemplary illustration to the technical solution of the utility model, and should not be considered as of the present utility model all or be considered as restriction or the restriction to technical solutions of the utility model.
In the utility model, Karaoke refer to the musical background of pre-recording on storage medium in broadcasting, there is no leading singer's voice simultaneously, showing the synchronous lyrics that have beat prompting of playing on fluorescent screen, participant can see the lyrics and hold microphone singing on one side under this pattern; Video playback refers to as user provides continuous video playback and watches for user.It will be appreciated that, although also there is video playback in karaoke mode,, karaoke mode is focused on user's the experience of singing, and video play mode is focused on user's viewing experience, and therefore common video play mode is more focused on the readability of video playback.Karaoke mode and video play mode can be expanded along with the expansion of their function its definition category.
Figure 1 shows that according to the structural representation of the audio frequency and video control system of the utility model one embodiment.As shown in Figure 1, in the audio frequency and video control system 10 of this embodiment, include display 10, requesting song module 12, video playback control module 13, switching controls module 14, voice input module 15, power amplifier output module 16, be preferably also provided with terminal box 17 and drawer box 18.Wherein, display 10, requesting song module 12, video playback control module 13, switching controls module 14, voice input module 15, power amplifier output module 16, terminal box 17 and drawer box 18 by concentrated setting in rack 19, like this, the overall integrated setting of audio frequency and video control system 10, very convenient entirety carrying between each occasion.
The bottom of rack 19 is provided with some feets 193, is used for fixing and supports this audio frequency and video control system 10 in the time of audio frequency and video control system 10 job applications.Preferably, bottom at rack 19 is also provided with roller (not shown), to facilitate the entirety carrying of audio frequency and video control system 10, in the time of audio frequency and video control system 10 job applications, roller is retracted and is fixed on the bottom of rack 19, in the time that entirety is carried, feet 193 is by unsettled and this audio frequency and video control system 10 of roller supporting.
Display 11 is arranged on the upper end of rack 19, and in this embodiment, upper cover 191 upwardly-openables of rack 19 also can be fixed on a certain open angle fixed support by contractile support bar 192.Preferably, display 11 by its support bar (not shown) collapsible be loaded in rack 19, thereby, in the time not using, can by upper cover 191, audio frequency and video control system 10 all parts or module lock be put in rack 19 easily, in use, as shown in Figure 1, display 11 can be necessarily to facilitate visual angle upwards to open, and the angle of the upper surface of its relative rack 19 can regulate setting.
The shape of rack 19 can be rectangular shape, still, needs to understand and be, shape, material and the size of rack 19 can be according to specific requirement and respective design, and they are not restrictive.The parts that are separated with rack 19 that drawer box 18 can be used for loading audio frequency and video control system 10, for example, microphone, remote controller, connecting line etc., thereby convenient carrying easy to use.
In this embodiment, display 11 is preferably touch-screen, therefore, it not only can be as the output block of audio frequency and video control system 10, can also be used as input block, on the interface of touch-screen, user can conveniently realize the operations such as switching controls, requesting song, video playback.The keyboard of switching controls module 14 (as shown in Figure 3 147) can be realized by the virtual key on touch-screen, preferably, on touch-screen, be at least provided with Audio conversion key and video switch key, they are used for controlling switching controls module 14, for example, so that audio frequency and video control system 10 is operated in karaoke mode or video play mode (video display broadcasting), its concrete function and realize principle will thereafter introduce.
Figure 2 shows that according to the annexation schematic diagram between the modules of the audio frequency and video control system of the utility model one embodiment; Figure 3 shows that according to the modular structure schematic diagram of the switching controls module of the utility model one embodiment.Describe the modules of audio frequency and video control system 10 in detail below in conjunction with Fig. 1, Fig. 2 and Fig. 3.
In this embodiment, requesting song module 12 can be for being mainly used in providing the similarly device such as song-order machine of Kara OK function, and requesting song module 12 is built-in with memory module, and it is at least for storing song related content.Alternatively, this memory module can be arranged on to plug in requesting song module 12, like this, if need to upgrade the content of storing in memory module, can extract this memory module, accessed outside other computers, from the content of its memory module is managed and/or is upgraded, and preferably, memory module is operationally carried out content update by the network of access.The concrete storage media types of memory module, memory capacity and/or storage song content etc. are not restrictive.
The input unit of requesting song module 12 can be realized by the virtual key of the display 11 of touch-screen in this embodiment, thereby in the time that audio frequency and video control system 10 is operated in karaoke mode, can control it by the touch-screen of display 10 easily, for example request a song, cut the operations such as song, user experiences, intuitively, operability is good.Preferably, requesting song module 12 disposes global function function of infrared remote control, in the time that audio frequency and video control system 10 is operated in karaoke mode, also can realize the control operation to requesting song module 12 by the remote controller of audio frequency and video control system 10, for example request a song, cut the operations such as song.In other embodiments, requesting song module 12 can also couple with other intelligent hand-held terminal radio communications, such as IPOD, IPAD and smart mobile phone etc., thus can carry out control operation with similar intelligent hand-held terminal to requesting song module 12 with expanding.
In this embodiment, video playback module 13 can be the video disc playing device of similar DVD, Apparatus for video CD, it can be, but not limited to support BD, DVD, VCD, CD video disc, for example, video playback module 13 can be high definition blue light DVD player, its band multichannel Doby (Duby) 7.1 sound channel surround decoder systems, the full HD image quality of the highest support 1080P, supports the former dish file of blue light BD broadcasting etc.Preferably, video playback module 13 is with Internet video playing function and external hard disk playing function; For realizing external hard disk playing function, on this video disc playing device for the USB interface of external external hard disk, thereby facilitate in displaying video playing module 13 not other entrained video contents of user of storage; For realizing Internet video playing function, on this video disc playing device, can be provided with the network interface for access network, and be built-in with memory module, for example hard disk, and this memory module is operationally carried out video content renewal by the network of access; This memory module also can be arranged on to plug in video playback module 13, like this, if need to upgrade the content of storing in memory module, can extract this memory module, accessed other outside computers, from the content of its memory module is managed and/or upgraded.The storage media types of the memory module of displaying video playing module 13, memory capacity, storage content are not restrictive.
The input unit of video playback module 13 can be realized by the virtual key of the touch-screen of display 11 in this embodiment, thereby in the time that audio frequency and video control system 10 is operated in video play mode, can control it by the touch-screen of display 10 easily, for example, carry out the operations such as F.F., played in full screen.Preferably, video playback module 13 disposes global function function of infrared remote control, in the time that audio frequency and video control system 10 is operated in video play mode, also can realize the control operation to video playback module 13 by the remote controller of audio frequency and video control system 10, for example carry out F.F., volume adjusting operation.
In this embodiment, voice input module 15 can be, but not limited to the wireless microphone system into W202R/TH, and it disposes one or more microphones, for example, can be also wire microphone system.
In this embodiment, power amplifier output module 16 can be, but not limited to as AC1800 movie theatre power amplifier, AC1800 aims at the high-performance six sound channels movie system sound intensifier of small-sized fixing movie theatre design, there is the wider voltage scope of application, for example, the voltage scope of application is 160V-240V, can be suitable for the unsettled situation of remote area power supplies completely.And, there is perfect defencive function, for example there are start delayed startup, overheat protector, direct current protecting, short-circuit protection etc., thereby guarantee product in rugged environment and not damaged under misoperation condition, improve its reliability.The cooling system of AC1800 movie theatre power amplifier adopts the large discharge capacity blower fan of low noise of two-stage speed change, ensures that complete machine is operated under lower temperature conditions.
In this embodiment, switching controls module 14 is switchably operated in karaoke mode or video play mode for controlling audio frequency and video control system 10, as shown in Figure 3, switching controls module 14 comprises Audio conversion submodule 141 and video switch submodule 142, Audio conversion submodule 141 at least receives the such as microphone from voice input module 15(), requesting song module 12(such as song-order machine) and such as DVD of video playback module 13() audio signal, video switch submodule 142 at least receives the such as song-order machine from requesting song module 12(), such as DVD of video playback module 13() vision signal, it will be appreciated that, in the time that audio frequency and video control system 10 is integrated with other audio or video output equipments, Audio conversion submodule 141 and video switch submodule 142 can also be expanded the audio signal, the vision signal that receive respectively other types.
Continue as shown in Figure 3, switching controls module 14 also comprises A/D converter 144, digital signal processor (Digital Signal Processer, DSP) 145 and D/A converter 146, the audio signal that Audio conversion submodule 141 is exported is generally analog signal, be converted to digital signal at A/D converter 144, and then in DSP145, carry out digital audio and video signals processing, for example can be, but not limited to postpone, the processing such as frequency division, reverberation, compression digital signal, prevent the audio signal distortion of output; The digital audio and video signals of DSP145 output is converted to simulated audio signal in D/A converter 146, and then export power amplifier output module 16 to, or can also export audio interface to, play thereby export to other stereo sets, for example, outside sound equipment as shown in Figure 2.External speakers can be according to the incompatible concrete option and installment of applied field.
Continue as shown in Figure 3, switching controls module 14 is also provided with master control processing unit (MCU) 143, and MCU143 is for controlling the work of Audio conversion submodule 141, video switch submodule 142 and DSP145, MCU143 can receive the instruction of the input equipment such as remote controller, keyboard on the one hand, the demonstration of display 11 is inputted and is controlled in the instruction that can also receive on the other hand the display 11 of touch-screen, carries out controlling after instruction process the work of Audio conversion submodule 141, video switch submodule 142 and DSP145 in MCU, for example, user press Audio conversion key (can on remote controller or this display 11 on) time, MCU enables Audio conversion submodule 141, video switch submodule 142 and DSP145, make Audio conversion submodule 141 selectively export the audio signal from voice input module 15 and requesting song module 12, and the audio signal of mute video playing module 13 output, simultaneously, make video switch submodule 142 selectively export the vision signal (if there is) from requesting song module 12, and shielding is from the vision signal output of video playback module 13, DSP145 is also enabled to carry out digital audio processing process by MCU143, user press video switch key (can on remote controller or this display 11 on) time, MCU enables Audio conversion submodule 141, video switch submodule 142 and DSP145, Audio conversion submodule 141 is selectively exported from the audio signal of the audio signal of video playback module 13, the also audio signal output of shielding requesting song module 12, meanwhile, video switch submodule 142 is selectively exported from the vision signal of video playback module 13, also shielding is exported (if there is) from the vision signal of requesting song module 12.
Video switch submodule 142 selects the vision signal of output on display 11, to show, also can export the video output interface of audio frequency and video control system 10 to, by external display device, for example, projecting apparatus 92 as shown in Figure 2 etc., realize the video playback capability of theater type.
In this embodiment, as depicted in figs. 1 and 2, for reducing audio frequency and video control system 10 wiring work in use, the terminal box 17 of having gone back concentrated setting in rack 19, as shown in Figure 2,17a is depicted as the positive interface of terminal box 17, and 17b is depicted as the interface at the back side of terminal box 17; The interface at the back side is connected for for example, carrying out wiring with other internal modules of audio frequency and video control system 10 (video playback module 13, voice input module 15, power amplifier output module 16 switching controls module 14), this is conventionally integrated in rack 19, and be fixedly connected with, positive interface is for being connected with the external component of audio frequency and video control system 10 and for accessing power supply, network signal etc., thereby without numerous and diverse wiring, also convenient with the wiring of external equipment, be easy to the multi-functional entertainment systems of fast construction.
On the front of terminal box 17, be provided with video output interface, audio output interface, network interface and the power interface of audio frequency and video control system 10, wherein, power interface external power supply, can be display module 11, requesting song module 12, video playback module 13, voice input module 15, power amplifier output module 16 and the unified power supply of switching controls module 14 by the power module wherein arranging, and arrange mains switch can be set on the front of terminal box 17, for example DZ47-60-C10-2P air switch, thus security reliability improved.Video output interface can external projecting apparatus 92 etc.Terminal box 17 receives from the audio frequency output of switching controls module 14 and video output, and audio signal can export outside stereo set to by audio output interface, and vision signal can export outside display device to by video output interface.
In another embodiment, the front of terminal box 17 is also provided with lamp control interface, Karaoke module 12 can accompanying audio signal output acoustic control lamp light signal, this acoustic control lamp light signal is switched control module 14 under karaoke mode selects to export to the lamp control interface of terminal box 17.Connect by connecting line and outside acoustic control lamp photosystem, can control acoustic control lamp photosystem, thereby the perfection that can be issued to sound, light, audiovisual at karaoke mode is enjoyed.
Therefore, the audio frequency and video control system 10 of the utility model embodiment not only can realize the video playback capability of Kara OK function, theater type, and easy switching, and manipulation is simple; And wiring is simple, very easy to use, carry also very conveniently, be easy to realize mobile movie theatre, recreation center function flows.This audio frequency and video control system 10 can be, but not limited to be applicable to following applications: (1) network on-line meeting and training (particularly in outdoor occasion); (2) the online digital movie of network and relevant entertainment are play; (3) karaoke and the dancing party of outdoor or indoor scenarios; (4) occasion of assembling a crowd such as wedding celebration, dinner party; (5) place such as publicity such as the canteen culture of NGO etc.; (6) the political culture recreation place of Basic Government tissue etc.
To understand, herein, " on ", the directional terminology such as D score, " front ", " reverse side " is to define with respect to the orientation of audio frequency and video control system in accompanying drawing, these directional terminology are relative concepts, they for respect to description and clarification, it can be the variation in the orientation of placing and correspondingly changing according to audio frequency and video control.
To understand, when it is said that when parts be ' attach ' to another parts, it can be directly connected to another parts maybe can exist intermediate member.
Above example has mainly illustrated multifunctional audio video control system of the present utility model.Although only some of them execution mode of the present utility model is described, those of ordinary skill in the art should understand, and the utility model can be implemented not departing from its purport and scope with many other forms.Therefore, the example of showing and execution mode are regarded as illustrative and not restrictive, and in the situation that not departing from the utility model spirit as defined in appended each claim and scope, the utility model may be contained various amendments and replacement.
Claims (15)
1. a multifunctional audio video control system, is characterized in that, described audio frequency and video control system at least comprises concentrated setting display module, requesting song module, video playback module, voice input module, power amplifier output module and switching controls module together;
Wherein, described switching controls module is connected with described requesting song module, video playback module, voice input module, power amplifier output module and display module respectively;
Described switching controls module is configured with the switch key that is switchably operated in karaoke mode or video play mode for controlling described audio frequency and video control system.
2. audio frequency and video control system as claimed in claim 1, it is characterized in that, also comprise terminal box, described terminal box and display module, requesting song module, video playback module, voice input module, power amplifier output module is together with switching controls module concentrated setting, in described terminal box, be provided with the video output interface of described audio frequency and video control system, audio output interface and power interface, be described display module by the power interface of described terminal box, requesting song module, video playback module, voice input module, the unified power supply of power amplifier output module and switching controls module.
3. audio frequency and video control system as claimed in claim 2, is characterized in that, described terminal box is configured with mixed-media network modules mixed-media, is provided for the wired or wireless network interface being connected with external the Internet in mixed-media network modules mixed-media.
4. audio frequency and video control system as claimed in claim 2, is characterized in that, described display module, requesting song module, video playback module, voice input module, power amplifier output module, switching controls module and terminal box by concentrated setting in rack.
5. audio frequency and video control system as claimed in claim 4, is characterized in that, is also provided with drawer box in described rack.
6. audio frequency and video control system as claimed in claim 1, is characterized in that, described video playback module is the video disc playing device with Internet video playing function and external hard disk playing function.
7. audio frequency and video control system as claimed in claim 6, is characterized in that, is provided with for the USB interface of external external hard disk and for the network interface of access network on described video disc playing device.
8. the audio frequency and video control system as described in claim 6 or 7, it is characterized in that, described video playback module comprises the first memory module for supporting described Internet video playing function, described the first memory module can be arranged on to plug in described video playback module, and described the first memory module operationally by access network to carry out content update.
9. multifunctional audio video control system as claimed in claim 1, it is characterized in that, in described requesting song module, be provided with the second memory module, it is at least for storing song related content, described the second memory module can be arranged on to plug requesting song module in, and described memory module operationally by access network to carry out content update.
10. multifunctional audio video control system as claimed in claim 1, is characterized in that, described voice input module is wired or wireless microphone apparatus.
11. multifunctional audio video control system as claimed in claim 4, is characterized in that, described display unit is touch-screen, and described touch-screen is as the touch-control input device of described multifunctional audio video control system, and described switch key is arranged on described touch-screen.
12. multifunctional audio video control system as claimed in claim 11, is characterized in that, described touch-screen telescopically is loaded in described rack.
13. multifunctional audio video control system as claimed in claim 1, is characterized in that, described multifunctional audio video control system disposes remote controller, and described switch key is arranged on described remote controller.
14. multifunctional audio video control system as described in claim 1 or 11 or 13, it is characterized in that, described switch key comprises Audio conversion key and video switch key, described in while pressing described Audio conversion key, multifunctional audio video control system is operated under karaoke mode, while pressing described video switch key described in multifunctional audio video control system be operated under video play mode.
15. audio frequency and video control system as claimed in claim 2 or claim 3, is characterized in that, are also provided with the lamp control interface for exporting acoustic control lamp light signal in described terminal box.
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|---|---|---|---|
| CN201420328273.4U CN203968212U (en) | 2014-06-19 | 2014-06-19 | Multifunctional audio video control system |
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| CN201420328273.4U CN203968212U (en) | 2014-06-19 | 2014-06-19 | Multifunctional audio video control system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105116787A (en) * | 2015-06-26 | 2015-12-02 | 宁波音王电声股份有限公司 | Controller of audio and video media center system |
| CN105208248A (en) * | 2014-06-19 | 2015-12-30 | 宁波音王电声股份有限公司 | Multifunctional audio and video control system |
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2014
- 2014-06-19 CN CN201420328273.4U patent/CN203968212U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105208248A (en) * | 2014-06-19 | 2015-12-30 | 宁波音王电声股份有限公司 | Multifunctional audio and video control system |
| CN105116787A (en) * | 2015-06-26 | 2015-12-02 | 宁波音王电声股份有限公司 | Controller of audio and video media center system |
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