CN208954624U - Karaoke all-in-one machine and K sing system - Google Patents
Karaoke all-in-one machine and K sing system Download PDFInfo
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- CN208954624U CN208954624U CN201821448403.2U CN201821448403U CN208954624U CN 208954624 U CN208954624 U CN 208954624U CN 201821448403 U CN201821448403 U CN 201821448403U CN 208954624 U CN208954624 U CN 208954624U
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Abstract
The utility model discloses a kind of Karaoke all-in-one machines and K to sing system, wherein the Karaoke all-in-one machine includes shell, it is integrally disposed in the intracorporal wireless microphone receiver of shell, effect device, audio-frequency power amplifier, power circuit, program request mainboard, digital audio care and hard disk, power circuit includes: the first AC/DC converter, for the alternating current of input to be converted to the first direct current, to be supplied to audio-frequency power amplifier；First DC/DC converter, for the first direct current to be converted to the second direct current, to be respectively supplied to microphone receiver, effect device and digital audio care；2nd DC/DC converter, for the first direct current to be converted to third direct current, to be respectively supplied to program request mainboard and hard disk.The Karaoke all-in-one machine is by being integrated together multiple components to form all-in-one machine, and use the power management scheme powered independently of each other and cleverly layout structure, so that electromagnetic interference substantially reduces, so that the Highgrade integration of Karaoke all-in-one machine is possibly realized.
Description
Technical field
The utility model relates to technical field of audio/video, in particular to a kind of Karaoke all-in-one machine and a kind of K sing system.
Background technique
Development by so many years is sung in Karaoke, nowadays have become people meet make friends amusement life style it
One, and the common requirements for listening the demand of song to be also increasingly becoming family of practising singing of singing.Existing Karaoke amusement equipment are because of tradition
Manufacturing industry segmentation can only be occurred in the form of various single-items combination for many years, request a song set-top box, wireless microphone
A lot of equipment such as receiver, karaoke effect device, audio-frequency power amplifier, touch-screen display and numerous audios, view
Frequently, Network cable and power supply adaptor are dazzling, and if not professional, general user is difficult system in combination
Successfully, it is even more impossible to by system call interception to optimum experience state.The hardware complexity of system and the professional of software logic cause
Use operation inconvenience, be all to limit the universal major reason of family's Karaoke amusement equipment.
Utility model content
The application is to be made based on inventor to the research of many years of following problems and experimental verification:
Amusement equipment play Karaoka generally by speaker, requesting song set-top box, wireless microphone receiver, karaoke effect device, audio
The audio-video devices such as power amplifier, touch-screen display and various wire rods, power supply adaptor composition, then make with cooperation
One complicated audio-visual system is formed by certain connection type with the television set or video frequency projector in place.Due to equipment
Numerous, connection is complicated, while in order to protect equipment, it is also necessary to connect the power supply timing pipe for capableing of switching on and shutting down in a certain order
Device is managed, once otherwise audio-frequency power amplifier is switched at first or most shuts down slowly, the audio that other equipment are switched on or generate when shutting down
Signal impact will be output to speaker by audio-frequency power amplifier and issue huge impulsive sound, can even be burnt when serious
Ruin speaker or audio-frequency power amplifier.Also, existing Karaoke amusement equipment are higher to installation space and environmental requirement, give user
Bring inconvenience.
The utility model is intended to solve one of the technical problem in above-mentioned technology at least to a certain extent.For this purpose, this reality
It is to propose a kind of Karaoke all-in-one machine with a novel purpose, by by wireless microphone receiver, effect device, audio power
Amplifier, power circuit, program request mainboard, digital audio care and hard disk are integrated together to form all-in-one machine, and using mutually indepedent
The power management scheme of power supply and cleverly layout structure, so that electromagnetic interference substantially reduces, so that Karaoke one
The Highgrade integration of body machine is possibly realized, and is brought great convenience to user.
Another purpose of the utility model is to propose a kind of K song system.
In order to achieve the above objectives, on the one hand a kind of Karaoke all-in-one machine that the utility model proposes, including shell, wireless talking
Cylinder receiver, effect device, audio-frequency power amplifier, power circuit, program request mainboard, digital audio care and hard disk, the wireless microphone
Receiver, the effect device, the audio-frequency power amplifier, the power circuit, the program request mainboard, the digital audio care and
The hard disk is integrally disposed in the shell, wherein and the power circuit includes: the first AC/DC converter, and described first
AC/DC converter is used to the alternating current of input being converted to the first direct current, to be supplied to the audio-frequency power amplifier；First
DC/DC converter, the first DC/DC converter are connected with the first AC/DC converter, the first DC/DC converter
For first direct current to be converted to the second direct current, to be respectively supplied to the wireless microphone receiver, the effect
Device and the digital audio care, wherein the voltage of second direct current is less than the voltage of first direct current；2nd DC/DC
Converter, the 2nd DC/DC converter are connected with the first AC/DC converter, and the 2nd DC/DC converter is used for will
First direct current is converted to third direct current, to be respectively supplied to the program request mainboard and the hard disk, wherein described
The voltage of three direct currents is less than the voltage of first direct current.
According to the utility model proposes Karaoke all-in-one machine, by by wireless microphone receiver, effect device, audio power
Amplifier, power circuit, program request mainboard, digital audio care and hard disk are integrated into shell to form all-in-one machine, and using mutually only
The power management scheme of vertical power supply and cleverly layout structure, so that electromagnetic interference substantially reduces, so that Karaoke
The Highgrade integration of all-in-one machine is possibly realized, and then can be adjusted optimally equipment before factory becomes K song system
Only a set of simple portable systems of display, Karaoke all-in-one machine and speaker composition, connection is simple and convenient, is easy peace
Dress, while bringing great convenience to user, improves user experience.
In addition, can also have following additional technology special according to the utility model Karaoke all-in-one machine set forth above
Sign:
Optionally, the first DC/DC converter is identical as the 2nd DC/DC transformer configuration, and described second is straight
The voltage of galvanic electricity is equal with the voltage of the third direct current.
Specifically, the voltage of first direct current is 36V, the voltage of second direct current and the third direct current
Voltage be 12V.
Optionally, the control panel of the effect device is also integrated with output level control panel.
Optionally, the shell is made of all-metal, and the left and right sides of the shell is equipped with air grid.
Wherein, the all-metal can add aluminium for iron.
Optionally, four regions are divided into the shell, wherein the wireless microphone receiver is arranged in the firstth area
Domain, in second area, the power circuit is arranged in third area for the effect device, program request mainboard, digital audio care and hard disk setting
Domain, the audio-frequency power amplifier are arranged in the fourth region.
Optionally, the first AC/DC converter uses independent packed by metal casing, and the independent metal shell
A shielding space is limited with the shell, to place the first DC/DC converter and the 2nd DC/DC transformation
Device.
Optionally, the space of the second area is divided into three layers, and first layer is used to place the digital audio care, the second layer
To place the effect device, third layer is to place the program request mainboard and the hard disk, wherein the second layer and described the
It is separated between three layers using metal plate, so that the metal plate and the shell form two independent shielding spaces up and down.
In order to achieve the above objectives, on the other hand the utility model also proposed a kind of K song system comprising at least one sound
Case, display and above-mentioned Karaoke all-in-one machine.
According to the utility model proposes K sing system, by the Karaoke all-in-one machine of above-mentioned Highgrade integration, can go out
Equipment is adjusted optimally before factory, and can there was only a set of simple of display, Karaoke all-in-one machine and speaker composition
Portable systems, connection is simple and convenient, is easy installation, while bringing great convenience to user, improves user experience.
Detailed description of the invention
Fig. 1 is the block diagram according to the Karaoke all-in-one machine of the utility model one embodiment；
Fig. 2 is the Karaoke all-in-one machine internal power circuit electrical schematic according to the utility model one embodiment；
Fig. 3 is the structural schematic diagram according to the Karaoke all-in-one machine of the utility model one embodiment；
Fig. 4 is the outside schematic diagram according to the Karaoke all-in-one machine of the utility model one embodiment；
Fig. 5 is subregion schematic diagram in the shell according to the Karaoke all-in-one machine of the utility model one embodiment；
Fig. 6 is the back plate plug receptacle schematic diagram according to the Karaoke all-in-one machine of the utility model one embodiment；
Fig. 7 is the block diagram that system is sung according to the K of the utility model one embodiment.
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model
Limitation.
Existing Karaoke amusement equipment generally by speaker, requesting song set-top box, wireless microphone receiver, karaoke effect device,
The audio-video devices such as audio-frequency power amplifier, touch-screen display and various wire rods, power supply adaptor composition, then with match
The television set or video frequency projector for closing field of employment pass through certain connection type one complicated audio-visual system of composition.Due to
Equipment is numerous, and connection is complicated, all very high to installation space and environmental requirement, while the electromagnetic interference generated in galvanization can be made
There is interference reticulate pattern at video pictures, and speaker also has many unexpected noises, layman can not be by system tune
Optimum state is tried, and complicated switching on and shutting down program and debugging process also influence experience sense in actual use.
In order to overcome these deficiencies, the Karaoke all-in-one machine that the utility model embodiment proposes, by receiving wireless microphone
Device, effect device, audio-frequency power amplifier, power circuit, program request mainboard, digital audio care and hard disk are integrated into shell to form one
Body machine, and the power management scheme powered independently of each other and cleverly layout structure are used, so that electromagnetic interference drops significantly
It is low, so that the Highgrade integration of Karaoke all-in-one machine is possibly realized, and then equipment can be adjusted to best before factory
State makes K song system become a set of simple light system that only display, Karaoke all-in-one machine and K song system and speaker form
System, connection is simple and convenient, is easy installation, while bringing great convenience to user, improves user experience.
In order to better understand the above technical scheme, the example of the utility model is more fully described below with reference to accompanying drawings
Property embodiment.Although showing the exemplary embodiment of the utility model in attached drawing, it being understood, however, that can be in a variety of manners
It realizes the utility model and should not be limited by the embodiments set forth herein.It is to be able to more on the contrary, providing these embodiments
Thoroughly understand the utility model, and the scope of the utility model can be fully disclosed to those skilled in the art.
In order to better understand the above technical scheme, in conjunction with appended figures and specific embodiments to upper
Technical solution is stated to be described in detail.
Shown in referring to figs. 1 to Fig. 3, the Karaoke all-in-one machine of the utility model embodiment includes that shell 10, wireless microphone connect
Receive device 20, effect device 30, audio-frequency power amplifier 40, power circuit 50, program request mainboard 60, digital audio care 70 and hard disk 80.Its
In, wireless microphone receiver 20, effect device 30, audio-frequency power amplifier 40, power circuit 50, program request mainboard 60, digital audio care
70 and hard disk 80 be integrally disposed in shell 10.
Also, as shown in Figures 2 and 3, power circuit 50 includes: the first AC/DC converter 500, the first DC/DC converter
501 and the 2nd DC/DC converter 502.The friendship for the alternating current such as 220V/50Hz that first AC/DC converter 500 is used to input
Stream alternating current is converted to the first direct current, to be supplied to audio-frequency power amplifier 40；First DC/DC converter 501 and the first AC/DC
Converter 500 is connected, and the first DC/DC converter 501 is used to the first direct current being converted to the second direct current, to be respectively supplied to
Wireless microphone receiver 20, effect device 30 and digital audio care 70, wherein electricity of the voltage of the second direct current less than the first direct current
Pressure；2nd DC/DC converter 502 is connected with the first AC/DC converter 500, and the 2nd DC/DC converter 502 is used for straight by first
Galvanic electricity is converted to third direct current, to be respectively supplied to program request mainboard 60 and hard disk 80, wherein the voltage of third direct current is less than
The voltage of first direct current.
That is, Karaoke all-in-one machine is integrally disposed in shell 10 using the power source design powered independently of each other
Audio-frequency power amplifier 40, karaoke effect device 30, wireless microphone receiver 20, such as VOD(Video On of program request mainboard 60
Demand, video on demand) system board, movie and video programs song storage hard disk 80 and these functional hardware modules of digital audio care 70 need
Want respective DC power-supply circuit.
Wherein, audio-frequency power amplifier needs the first powered by direct current, such as the high efficiency DC power supply of 36V/10A or more
Power supply；Karaoke effect device, wireless microphone receiver and digital audio care need the second powered by direct current, such as independent 12V/3A
High efficiency DC power supply power supply；VOD system mainboard, movie and video programs song storage hard disk need third powered by direct current, such as
The high efficiency DC power supply of independent 12V/23A is powered.
Using above-mentioned independently-powered power source design, circuit is separated, making will not be because electric power loop be mixed between each functional module
Disorderly interfere and deteriorating process audio-video quality, make it possible play Karaoka all-in-one machine Highgrade integration.
As an example, the first AC/DC converter 500 can be provided with the 36V/15A high efficiency of independent metal shell
DC power supply, the first DC/DC converter 501 and the 2nd DC/DC converter 502 can provide two blocks of full isolated DC conversion electricity
36V direct current can be converted into the 12V DC electricity completely isolated with input terminal, to realize all-in-one machine three zones by source
The autonomous power supply system of module.
One embodiment according to the present utility model, the first DC/DC converter 501 and 502 structure of the 2nd DC/DC converter
It is identical, and the voltage of the second direct current is equal with the voltage of third direct current, such as is 12V.
Specifically, the voltage of first direct current is 36V, the voltage of second direct current and the third direct current
Voltage be 12V.
In order to further integrate, in one embodiment of the utility model, as shown in figure 3, the control panel 301 of effect device
It is also integrated with output level control panel 302, i.e., the two is realized using one piece of circuit board.
Specifically, as an example, power circuit part occupied space can be 1/3 left side in entire enclosure interior space
The right side is preferably radiated and power supply anti-jamming effectiveness to realize in this way, is made as shown in figure 4, all-metal can be used in shell 10, and
The left and right sides of shell is equipped with air grid 100.
Wherein, all-metal can add aluminium for iron.
That is, shell uses full metal jacket, preferable effectiveness can be obtained, and pass through left and right two
Air grid is arranged in side, realizes cross-ventilation, reaches preferable heat dissipation effect.
In one embodiment of the utility model, in conjunction with shown in Fig. 3 and Fig. 5, four regions are divided into shell 10,
In, wireless microphone receiver 20 is arranged in first area 101, and effect device 30, program request mainboard 60, digital audio care 70 and hard disk 80 are set
It sets in second area 102, the setting of power circuit 50 is arranged in third region 103, audio-frequency power amplifier 40 in the fourth region
104。
Wherein, as shown in figure 3, the first AC/DC converter 500 uses independent packed by metal casing, and independent metal
Shell and shell limit a shielding space, to place the first DC/DC converter 501 and the 2nd DC/DC converter 502.
That is, having independent metal shell and providing the first AC/DC converter of 36V/15A high efficiency DC power supply
500 are placed in the all-in-one machine left side, cross one close to full-shield space, to place two pieces of full isolation with all-in-one machine machine shell
DC conversion power i.e. the first DC/DC converter 501 and the 2nd DC/DC converter 502 ensures that the first DC/DC becomes in this way
Parallel operation 501 and the 2nd DC/DC converter 502 are minimum to the high frequency electromagnetic radiation interference of complete machine.
As shown in figure 3, audio-frequency power amplifier 40 is placed on the right of machine, the setting of wireless microphone receiver 20 is on a machine left side
Rear, such microphone are also just preferably minimized with the interference of power amplifier high frequency electromagnetic radiation, reduce the amplitude that power amplifier exports useless harmonic wave.
Wherein, the air grid 100 on the left of the side face machine of power circuit 50, the other side of power circuit 50 and sound
Fan 90, the ventilation on the right side of the other side face machine of audio-frequency power amplifier 40 are set between the side of frequency power amplifier 40
Grid 100, it is hereby achieved that preferable heat dissipation effect.
One embodiment according to the present utility model, as shown in figure 3, the space of second area 102 is divided into three layers, first layer
To place digital audio care 70, the second layer to place effect device 30, third layer to place program request mainboard 60 and hard disk 80,
In, it is separated between the second layer and the third layer using metal plate 200, so that metal plate 200 and shell are formed up and down
Two independent shielding spaces.
In other words, program request mainboard 60 and hard disk 80 are installed on machine back lower place (not shown), digital effecter of playing Karaoka
30 are installed on machine back upper place, have piece of metal plate such as iron plate to separate in-between, the iron plate and shell upper and lower plates and after
Plate forms two independent shielding spaces up and down, makes program request mainboard 60, hard disk 80 and Karaoke digital effecter 30 mutually electricity
Magnetic disturbance is reduced to minimum.
As an example, as shown in fig. 6, all audio signal plug receptacles, vision signal plug receptacle, network plug receptacle all
It is arranged in machine back plate, and is the portions such as VOD system mainboard, hard disk, Karaoke digital effecter, wireless microphone receiver
The load plug receptacle of part is directly sent out, and harassing for outer signal mouth is minimized inside machine between functional component each in this way, is kept away
Exempt to interfere.
In conclusion the utility model is by wireless microphone receiver, effect device, audio-frequency power amplifier, power circuit, point
It broadcasts mainboard, digital audio care and hard disk to be integrated together to form Karaoke all-in-one machine, and internal signal wire uses reasonable cloth
Line mode connects and the intracorporal component of shell uses cleverly layout structure and the power management scheme powered independently of each other,
And equipment is adjusted optimally before factory make K song system become only touch-screen display, Karaoke all-in-one machine and
A set of simple portable systems of speaker and or earphone composition, connection is simple and convenient, and general user instructs in instruction for mounting
Under system can be installed and used easily, bring great advantage to the user.
Therefore, according to the Karaoke all-in-one machine of the utility model embodiment, by by wireless microphone receiver, effect device,
Audio-frequency power amplifier, power circuit, program request mainboard, digital audio care and hard disk are integrated into shell to form all-in-one machine, and are adopted
With the power management scheme powered independently of each other and cleverly layout structure, so that electromagnetic interference substantially reduces, to make
The Highgrade integration of all-in-one machine of must playing Karaoka is possibly realized, and then can be adjusted optimally equipment before factory sings K
System becomes a set of simple portable systems of only display, Karaoke all-in-one machine and speaker composition, and connection is simple and convenient,
It is easy installation, while bringing great convenience to user, improves user experience.
As shown in fig. 7, the utility model embodiment also proposed a kind of K song system 1000 comprising at least one speaker
2000, display 3000 and the Karaoke all-in-one machine 4000 of above-described embodiment description, to be adjusted to equipment before factory
Optimum state, it will be able to K song system be made to become a set of simple light system of only display, Karaoke all-in-one machine and speaker composition
System.
System is sung according to the K of the utility model embodiment, passes through the Karaoke all-in-one machine of above-mentioned Highgrade integration, Neng Gou
Equipment is adjusted optimally before factory, and can there was only a set of letter of display, Karaoke all-in-one machine and speaker composition
Single portable systems, connection is simple and convenient, is easy installation, while bringing great convenience to user, improves user's body
It tests.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " suitable
The orientation or positional relationship of the instructions such as hour hands ", " counterclockwise " is to be based on the orientation or positional relationship shown in the drawings, merely to just
In description the utility model and simplify description, rather than the device or element of indication or suggestion meaning there must be specific side
Position is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.The meaning of " plurality " is two or two in the description of the present invention,
More than, unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be
Mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary
The interaction relationship of connection or two elements inside element.It for the ordinary skill in the art, can basis
Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature the "upper" of second feature or it
"lower" may include that the first and second features directly contact, and also may include that the first and second features are not direct contacts but lead to
Cross the other characterisation contact between them.Moreover, fisrt feature includes above the second feature " above ", " above " and " above "
One feature is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.First is special
Sign is directly below and diagonally below the second feature including fisrt feature under the second feature " below ", " below " and " below ", or only
Indicate that first feature horizontal height is less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term
Stating, which should not be construed as, must be directed to identical embodiment or example.Moreover, description specific features, structure, material or
Feature can be combined in any suitable manner in any one or more of the embodiments or examples.In addition, those skilled in the art
Different embodiments or examples described in this specification can be engaged and be combined by member.
Although the embodiments of the present invention have been shown and described above, it is to be understood that above-described embodiment is
Illustratively, it should not be understood as limiting the present invention, those skilled in the art are in the scope of the utility model
Inside it can make changes, modifications, alterations, and variations to the above described embodiments.
Claims (10)
1. a kind of Karaoke all-in-one machine, which is characterized in that including shell, wireless microphone receiver, effect device, Audio power amplifier
Device, power circuit, program request mainboard, digital audio care and hard disk, the wireless microphone receiver, the effect device, the audio function
Rate amplifier, the power circuit, the program request mainboard, the digital audio care and the hard disk are integrally disposed in the shell
It is interior, wherein the power circuit includes:
First AC/DC converter, the first AC/DC converter are used to the alternating current of input being converted to the first direct current, with
It is supplied to the audio-frequency power amplifier；
First DC/DC converter, the first DC/DC converter are connected with the first AC/DC converter, the first DC/
DC converter is used to first direct current being converted to the second direct current, be respectively supplied to the wireless microphone receiver,
The effect device and the digital audio care, wherein the voltage of second direct current is less than the voltage of first direct current；
2nd DC/DC converter, the 2nd DC/DC converter are connected with the first AC/DC converter, the 2nd DC/
DC converter is used to first direct current being converted to third direct current, to be respectively supplied to the program request mainboard and described hard
Disk, wherein the voltage of the third direct current is less than the voltage of first direct current.
2. Karaoke all-in-one machine as described in claim 1, which is characterized in that the first DC/DC converter and described second
DC/DC transformer configuration is identical, and the voltage of second direct current is equal with the voltage of the third direct current.
3. Karaoke all-in-one machine as described in claim 1, which is characterized in that the voltage of first direct current is 36V, described
The voltage of the voltage of second direct current and the third direct current is 12V.
4. as described in claim 1 Karaoke all-in-one machine, which is characterized in that the control panel of the effect device also with output level
Control panel integrates.
5. such as Karaoke all-in-one machine of any of claims 1-4, which is characterized in that the shell uses all-metal system
At, and the left and right sides of the shell is equipped with air grid.
6. Karaoke all-in-one machine as claimed in claim 5, which is characterized in that the all-metal is that iron adds aluminium.
7. such as Karaoke all-in-one machine of any of claims 1-4, which is characterized in that be divided into four in the shell
Region, wherein the wireless microphone receiver is arranged in first area, the effect device, program request mainboard, digital audio care and hard disk
Setting is in second area, and in third region, the audio-frequency power amplifier is arranged in the fourth region for the power circuit setting.
8. Karaoke all-in-one machine as claimed in claim 7, which is characterized in that the first AC/DC converter is using independent
Packed by metal casing, and the independent metal shell and the shell limit a shielding space, to place described the
One DC/DC converter and the 2nd DC/DC converter.
9. Karaoke all-in-one machine as claimed in claim 7, which is characterized in that the space of the second area is divided into three layers, the
One layer to place the digital audio care, the second layer is to place the effect device, and third layer is to place the program request mainboard
With the hard disk, wherein separated between the second layer and the third layer using metal plate, so as to the metal plate and institute
It states shell and forms two independent shielding spaces up and down.
10. a kind of K sings system, which is characterized in that including any at least one speaker, display and such as claim 1-9
Karaoke all-in-one machine described in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821448403.2U CN208954624U (en) | 2018-09-05 | 2018-09-05 | Karaoke all-in-one machine and K sing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821448403.2U CN208954624U (en) | 2018-09-05 | 2018-09-05 | Karaoke all-in-one machine and K sing system |
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| Publication Number | Publication Date |
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| CN208954624U true CN208954624U (en) | 2019-06-07 |
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ID=66737014
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| CN201821448403.2U Active CN208954624U (en) | 2018-09-05 | 2018-09-05 | Karaoke all-in-one machine and K sing system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114697589A (en) * | 2020-12-31 | 2022-07-01 | 广州艾美网络科技有限公司 | Audio and video all-in-one machine equipment circuit |
-
2018
- 2018-09-05 CN CN201821448403.2U patent/CN208954624U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114697589A (en) * | 2020-12-31 | 2022-07-01 | 广州艾美网络科技有限公司 | Audio and video all-in-one machine equipment circuit |
| CN114697589B (en) * | 2020-12-31 | 2023-11-24 | 广州艾美网络科技有限公司 | Audio and video all-in-one equipment circuit |
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