CN206835288U - A kind of hand microphone audio amplifier - Google Patents
A kind of hand microphone audio amplifier Download PDFInfo
- Publication number
- CN206835288U CN206835288U CN201720705294.7U CN201720705294U CN206835288U CN 206835288 U CN206835288 U CN 206835288U CN 201720705294 U CN201720705294 U CN 201720705294U CN 206835288 U CN206835288 U CN 206835288U
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- audio amplifier
- main body
- connector
- mike
- hand
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Abstract
The utility model discloses a kind of hand microphone audio amplifier, including main body audio amplifier, control unit and microphone assembly, described control unit is arranged in the main body audio amplifier, it is connected with the microphone assembly by wire, the microphone assembly includes hand holding handle, power supply and miaow head, the miaow head is located at one end of the hand holding handle, the power supply is arranged in the hand holding handle, the main body audio amplifier is fixedly connected by a rotation shaft coupling device with hollow chamber with the other end of the hand holding handle, hollow chamber of the wire through the rotation shaft coupling device, and respectively with described power supply, control unit is electrically connected with.The utility model sets a rotation shaft coupling device between main body audio amplifier and the hand holding handle of microphone, hand handle holds hand holding handle position when in use, main body audio amplifier is located at the lower section of hand, it can substantially reduce and produce mutual interference between the sound of user and main body audio amplifier sounding, the sound transmission effect of main body audio amplifier is influenceed, while user is also smaller by the negative effect of audio amplifier.
Description
Technical field
A kind of audio play-back technology field is the utility model is related to, more particularly, is related to a kind of hand microphone sound
Case.
Background technology
Karaoke OK system in existing KTV generally comprises the microphone for pickup, receives the power amplifier dress of microphone signal
Put with least one audio amplifier, sing when alignment microphone sing the song of oneself, it is defeated after the song is amplified by power amplification device
Enter and give audio amplifier playing sound, its use will be limited by place, and equipment is heavy, and microphone and audio amplifier separate, it has not been convenient to carry real
The function of now singing everywhere.
Chinese patent literature CN 206004863 discloses a kind of portable hand-hold wireless audio amplifier microphone, including microphone master
Body and microphone assembly, the top of the microphone main body are provided with the second inscription plate, microphone upper bracket, microphone undersetting and loudspeaker box device,
The bottom surface of microphone undersetting is fixed with the support meanss for fixing mobile phone, and the top of microphone main body is provided with internal screw thread, under microphone
The middle part of bearing is provided with the external screw teeth being spirally connected with the pairing of microphone undersetting external screw teeth, and the support meanss include contiguous block, support
Fixed seat and support base, contiguous block are provided with T-shaped chute, and the side of rack fixing seat is provided with the T-shaped cunning to match with T-slot
Block, the both sides of rack fixing seat extend outward is respectively provided with a supporting leg, and support base is flexibly connected with supporting leg, while in connecting hole
It is provided with adjusting screw rod.Above-mentioned document uses microphone and audio amplifier Integral design, convenient disassembly.
Chinese patent literature CN 205491072 also discloses a kind of microphone audio amplifier equipment integrating, including control list
Member, main body sound chamber and the microphone assembly being connected on the main body sound chamber, the main body sound intracavitary are provided with least two pairs
Claim the loudspeaker set, the microphone assembly includes miaow head and miaow head bracket, the miaow head and the loudspeaker respectively with the control
Unit electrical connection processed, the associated connecting member being connected with miaow head use flexible connection mode, and it can not fundamentally solve to utter long and high-pitched sounds
Problem.
Microphone audio amplifier in above-mentioned two patent document is by microphone and audio amplifier integrated design, the miaow head of microphone
Part and audio amplifier close proximity, the external pronunciation generation mutual interference of miaow head point and audio amplifier during use；Meanwhile integrated wheat
Gram wind function of loudspeaker box is single, and amusement function is not strong, can not meet diversified demand of the people to product.
Utility model content
The purpose of this utility model is to solve the problems, such as the sound mutual interference between miaow head and audio amplifier, improves the joy of microphone audio amplifier
Happy property, therefore, the utility model provides a kind of hand microphone audio amplifier.
In order to solve the above technical problems, the utility model adopts the following technical scheme that：
A kind of hand microphone audio amplifier, including main body audio amplifier, control unit and microphone assembly, described control unit are set
It is placed in the main body audio amplifier, it is connected with the microphone assembly by wire, and the microphone assembly includes hand holding handle, electricity
Source and miaow head, the miaow head are located at one end of the hand holding handle, and the power supply is arranged in the hand holding handle, the main body audio amplifier
It is fixedly connected by one with the rotation shaft coupling device of hollow chamber with the other end of the hand holding handle, the wire is through institute
The hollow chamber of rotation shaft coupling device is stated, and is electrically connected with respectively with described power supply, control unit.
The microphone assembly also includes Mike's steel mesh, Mike's gum cover and hollow Mike's decoration, Mike's decoration
The inside of part is provided with a gum cover bearing for being secured to connection, and the both ends of Mike's gum cover are consolidated with the gum cover bearing grafting
Fixed, the miaow head is fixed on the middle part of Mike's gum cover；The free end of Mike's decoration and the hand holding handle is detachable
It is fixedly connected, Mike's steel mesh is arranged at the inside of Mike's decoration, and Mike's gum cover is located at Mike's steel
The inside of net, the miaow head are connected with described power supply, control unit by wire respectively.
The gum cover bearing is a hollow columnar structures, and its free end forms locating rod, and Mike's gum cover is hollow
Cylindricality silica gel sheath, forms the clamping hangers for being secured to connection on its lateral surface, the clamping hangers respectively with the locating rod
Grafting is formed to coordinate.
The rotation shaft coupling device includes the hollow axle being coaxially disposed and the first hollow connector, first connection
One end of head rotates against tight fit connection with one end of the hollow axle in coaxial, its other end and the one of the hand holding handle
End is fixedly connected；The other end of the hollow axle is fixedly connected with the main body audio amplifier, the wire sequentially pass through it is described in
Pony axle and the first connector.
The rotation shaft coupling device includes the hollow axle being coaxially disposed and the first hollow connector, first connection
One end of head rotates against tight fit connection with one end of the hollow axle in coaxial, and its other end is consolidated with the main body audio amplifier
Fixed connection；The other end of the hollow axle is fixedly connected with one end of the hand holding handle, the wire sequentially pass through it is described in
Pony axle and the first connector.
The main body audio amplifier is less than 360 degree with the coaxial relative rotation angle between the hand holding handle.
The rotation shaft coupling device also includes a second hollow connector, and one end of second connector is arranged at institute
One end relative with first connector of hollow axle is stated, its other end is fixedly connected with the main body audio amplifier, and described
The end of two connectors and the end of the hollow axle form rotation tight fit connection, and the axis of second connector is relative
Rotation angle is formed in the axis of the hollow axle；The wire sequentially passes through first connector, hollow axle and
Two connectors.
The end for the hollow axle being connected with second connector is provided with a spherical mounting groove, and described second connects
One end of joint is arranged in the spherical mounting groove, and the two forms rotation tight fit connection, and the main body audio amplifier is relative to institute
The swing angle for stating hand holding handle is 0-90 °.
The main body audio amplifier is in spherical, is relatively set with left sound chamber and right sound chamber thereon.
The one side of the main body audio amplifier adjacent with the left sound chamber is provided with what is be electrically connected with described control unit
Light guide, the face-piece of the main body audio amplifier are provided with the multiple loopholes corresponding with the light guide position.
Wireless memory module is additionally provided with the main body audio amplifier, it is realized with computer and is wirelessly transferred.
Technical solutions of the utility model, have the following advantages that：
A. the utility model sets a rotation shaft coupling device between main body audio amplifier and the hand holding handle of microphone, hand holding handle with
Connected between main body audio amplifier by rotation shaft coupling device, miaow head is located at one end of the remote main body audio amplifier of hand holding handle, when in use hand
Hand holding handle position is held, main body audio amplifier is located at the lower section of hand, can substantially reduce and be produced between the sound of user and main body audio amplifier sounding
Raw mutual interference, the sound transmission effect of main body audio amplifier is influenceed, while user is also smaller by the negative effect of audio amplifier.
B. miaow head is suspended on the gum cover bearing of hard by the utility model by Mike's gum cover, and the gum cover bearing of hard is not
Function only as supporting the effect of fixed miaow head, while also played an important role at the anti-aspect of uttering long and high-pitched sounds of miaow head.Due to Mike's gum cover two
The clamping hangers at end is hung in the locating rod of gum cover bearing one end, and Mike's gum cover is hollow cylindrical silica gel sheath, on its lateral surface
Clamping hangers and locating rod form grafting and coordinate, it is small in the contact surface of Mike's gum cover because locating rod is thinner, can cut down significantly
Conduct vibrations, while cut down through the two-time vibration of flexible clamping hangers and Mike's gum cover, reduce significantly by effect of vibration institute
Caused miaow head is uttered long and high-pitched sounds phenomenon.
C. the utility model is provided with rotation shaft coupling device, rotating shaft connection dress between main body audio amplifier and microphone hand holding handle
It can occur coaxially to rotate against between the hollow axle and the first connector put, pass through rotating mass audio amplifier, you can realize
Rotating against between main body audio amplifier and hand holding handle, user can be manually rotated in use, and greatly strengthen makes
User's is recreational.
D. the utility model is also provided with the second connector, the second connector and hollow axle in the other end of hollow axle
Between can realize swing rotary, the other end of the second connector is fixedly connected with main body audio amplifier, by towards hand holding handle direction put
Dynamic main body audio amplifier, main body audio amplifier can be reached the state perpendicular with hand holding handle, enhance the recreational of user.
E. also by being provided with light guide on main body audio amplifier, light guide can be sent not the utility model according to selected music
With the light of color, light projects from multiple loopholes on main body voice box casing, especially at night, can be notable by light effect
Strengthen the KTV experience senses of user.
Brief description of the drawings
In order to illustrate more clearly of the utility model embodiment, will make below to required in embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are some embodiments of the present utility model, right
For those of ordinary skill in the art, on the premise of not paying creative work, it can also be obtained according to these accompanying drawings
His accompanying drawing.
Fig. 1 is hand microphone audio amplifier overall structure diagram provided by the utility model；
Fig. 2 is I portions schematic enlarged-scale view in Fig. 1；
Fig. 3 is the rotation shaft coupling device structural representation in Fig. 1；
Fig. 4 is the configuration schematic diagram of structure shown in Fig. 1；
Fig. 5 is that the amplification of gum cover bearing in structure shown in Fig. 4, Mike's gum cover, miaow head and Mike's decoration illustrates；
Fig. 6 is the attachment structure sectional view between hand holding handle, Mike's gum cover and Mike's decoration in Fig. 1.
Description of reference numerals：
1- main body audio amplifiers；
The left sound chambers of 11-, 11a- left horns, the right sound chambers of 12-, 12a- right horns, 13- light guides, 14- face-pieces, 15- drain pans,
16- rotating shaft support parts；
2- control units；
3- microphone assemblies；
31- hand holding handles, 32- power supplys, 33- miaow heads, 34- power panels, 35- Mike's decorations, 36- Mike's gum covers, 361- cards
Connect hangers；37- Mike's steel meshes, 38- gum cover bearings, 381- locating rods；
4- wires；
5- rotation shaft coupling devices；
51- hollow axles, the connectors of 52- first, the connectors of 53- second；
The spherical mounting grooves of 6-；7- loopholes；8- power keys；9- shakes film；10- shakes membrane support；20- horn decorations；30- loudspeakers
Iron net；40- function buttons.
Embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with accompanying drawing, it is clear that described
Embodiment is the utility model part of the embodiment, rather than whole embodiments.Based on the embodiment in the utility model, sheet
The every other embodiment that field those of ordinary skill is obtained under the premise of creative work is not made, belongs to this practicality
Novel protected scope.
As shown in Figure 1, Figure 2 and Figure 3, the utility model provides a kind of hand microphone audio amplifier, including main body audio amplifier
1st, control unit 2 and microphone assembly 3, control unit 2 are arranged in main body audio amplifier 1, and it passes through wire 4 with microphone assembly 3
Connection.As shown in figure 4, microphone assembly 3 therein includes hand holding handle 31, power supply 32, miaow first 33, power panel 34, hollow wheat
Gram decoration 35, Mike's gum cover 36 and Mike's steel mesh 37, a gum cover bearing 38, Mike's glue are provided with the inside of Mike's decoration 35
The both ends of set 36 and the plugged and fixed of gum cover bearing 38, miaow first 33 are fixed on the middle part of Mike's gum cover 36；Mike's decoration 35 and hand
The free end for holding handle 31 is detachably fixed connection, and Mike's steel mesh 37 is arranged at the inside of Mike's decoration 35, and Mike's gum cover 36
Positioned at the inside of Mike's steel mesh 37, miaow first 33 is connected with power supply 32, control unit 2 by wire respectively.
As shown in figure 5, miaow first 33 is formed grafting by the utility model by the gum cover bearing 38 of Mike's gum cover 36 and hard,
Mike's gum cover 36 not only plays a part of the fixed miaow first 33 of support, while is also played an important role at the anti-aspect of uttering long and high-pitched sounds of miaow head.
Gum cover bearing 38 is a hollow columnar structures, and its free end is provided with locating rod 381, and Mike's gum cover 36 is hollow cylindrical silica gel sheath,
The clamping hangers 361 for being secured to connection is formed on its lateral surface, clamping hangers 361 forms grafting with locating rod 381 respectively and matched somebody with somebody
Close.
Hung on due to the clamping hangers at Mike's gum cover both ends in two locating rods of gum cover bearing free end, Mike's gum cover is adopted
With hollow cylindrical silica gel sheath, the clamping hangers on its lateral surface forms grafting with locating rod and coordinated, because locating rod is thinner, its with
The contact area of Mike's gum cover is small, reduces conduct vibrations significantly, while shaking twice through flexible clamping hangers and Mike's gum cover
It is dynamic to cut down, the miaow head caused by effect of vibration is reduced significantly utters long and high-pitched sounds phenomenon.Pass through experiment, flexible Mike
The attachment structure of the gum cover bearing 38 of gum cover 38 and hard, preventing miaow head aspect of uttering long and high-pitched sounds from playing vital effect, can be with
Eliminate the miaow head caused by acoustical vibration or other focus to utter long and high-pitched sounds, thoroughly solve the problem of uttering long and high-pitched sounds caused by miaow head.
Here power supply 32 can use battery, be fixed on by power panel 34 in hand holding handle 31, power key 8 is by hand holding handle
Stretch out, facilitate Operation switch.Main body audio amplifier 1 is another by rotation shaft coupling device 5 and a hand holding handle 31 with hollow chamber
End is fixedly connected, and wire 4 and electrically connects with power supply 32, control unit 2 respectively through the hollow chamber of rotation shaft coupling device 5
Connect.By setting a rotation shaft coupling device 5, hand holding handle 31 and main body sound between main body audio amplifier 1 and the hand holding handle 31 of microphone
Connected between case 1 by rotation shaft coupling device 5, miaow head is located at one end of the remote main body audio amplifier 1 of hand holding handle 31, when in use hand handle
The position of hand holding handle 31 is held, main body audio amplifier 1 is located at the lower section of hand, and this has the sound and main body audio amplifier 1 that can substantially reduce user
Mutual interference is produced between sounding, influences the sounding effect of main body audio amplifier 1.
Rotation shaft coupling device 5 therein as shown in Figures 2 and 3, including the hollow axle 51 being coaxially disposed and hollow
One connector 52, one end of the first connector 52 rotate against tight fit connection with one end of hollow axle 51 in coaxial, and its is another
One end is fixedly connected with one end of hand holding handle 31；The other end of hollow axle 51 and the rotating shaft support part 16 on main body audio amplifier 1 are solid
Fixed connection, wire 4 sequentially pass through the connector 52 of hollow axle 51 and first.Due between the connector 52 of hollow axle 51 and first
, can be between retainer body audio amplifier 1 and hand holding handle 31 when rotating against main body 1 certain angle of audio amplifier in the presence of certain pretightning force
Relative rotation angle, when needing to change angle, it is necessary to overcome pretightning force just to make by the rotating force that additionally applies
With main body audio amplifier confronting coaxial rotation occurs for hand holding handle.
It is, of course, also possible to using following attachment structure.The hollow axle 51 that rotation shaft coupling device 5 includes being coaxially disposed is with
The first empty connector 52, one end of the first connector 52 connect with one end of hollow axle 51 in the coaxial tight fit that rotates against
Connect, i.e., there is therebetween certain pretightning force, its other end is fixedly connected with main body audio amplifier 1；The other end of hollow axle 51
It is fixedly connected with one end of hand holding handle 31, wire 4 sequentially passes through the connector 52 of hollow axle 51 and first, its effect and previous company
The implementation result of binding structure is identical, just repeats no more here.
Wherein main body audio amplifier 1 is less than 360 degree with the coaxial relative rotation angle between hand holding handle 31, and the utility model is preferably adopted
With 340 ° of the anglec of rotation of maximum, that is, it is 170 ° to realize the two left-handed maximum relative angle, and dextrorotation maximum relative angle is 170 °.
Further, as shown in figure 3, in order to strengthen the recreation experience sense of user, it is additionally provided with rotation shaft coupling device 5
One the second hollow connector 53, one end of the second connector 53 are arranged at the relative with the first connector 52 of hollow axle 51
One end, its other end are fixedly connected with main body audio amplifier 1, and the end of the second connector 53 is formed with the end of hollow axle 51 to rotate
Tight fit connection, the axis of the second connector 53 form rotation angle relative to the axis of hollow axle 51；Wire 4 sequentially passes through
First connector 52, the connector 53 of hollow axle 51 and second.As shown in figure 4, the second connector 53 on main body audio amplifier with turning
Axle support member 16 is fixedly connected, and the connection end of the second connector and the first connector is square hollow axle, and it runs through rotating shaft branch
Square hole in support member 16, it is fixed in by nut on rotating shaft support part.
Structure when second connector 53 is connected with hollow axle 51 is as follows：As shown in figure 3, it is connected with the second connector 53
The end of the hollow axle 51 connect is provided with a spherical mounting groove 6, and one end of the second connector 53 is arranged in spherical mounting groove 6,
The two forms rotation tight fit connection, and main body audio amplifier 1 is 0-90 ° relative to the swing angle of hand holding handle 31, and its swing state is such as
Shown in Fig. 1, other connected modes can also be used certainly, are just repeated no more here.
Main body audio amplifier 1 in the utility model is preferably in spherical, but is not limited to such a shape, can also use square etc.
Other shapes, left sound chamber 11 and right sound chamber 12 are relatively set with thereon, left horn 11a are provided with left sound chamber 11, in right sound
Right horn 12a is provided with chamber 12, the two sides adjacent with left sound chamber 11 and right sound chamber 12 be respectively main body audio amplifier drain pan 15 and
Face-piece 14, the light guide 13 being electrically connected with control unit 2 is additionally provided with the position of face-piece 14, is formed on face-piece 14 and leaded light
The corresponding multiple loopholes 7 in the position of part 13, light guide 13 can send the light of different colours according to selected music, and light is from main body
Projected in multiple loopholes on voice box casing, especially at night, the KTV that user can be significantly increased by light effect is experienced
Sense.
Shake film 9, shake membrane support 10, horn decoration 20 and loudspeaker iron net 30 are sequentially provided with the end of main body audio amplifier 1.
Function button is additionally provided with the face-piece of main body audio amplifier, function button 40 stretches out from face-piece, convenient operation.
The song in main body audio amplifier is upgraded in time for convenience, wireless storage mould is additionally provided with main body audio amplifier 1
Block, it is realized with computer and is wirelessly transferred.Can be whole by the transmission means such as bluetooth, wireless Wifi and computer, mobile phone or data
End connection, is updated to meet the needs of different users to the song that prestores in main body audio amplifier.
Obviously, above-described embodiment is only intended to clearly illustrate example, and is not the restriction to embodiment.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of change or
Change.There is no necessity and possibility to exhaust all the enbodiments.And the obvious change thus extended out or
Among changing still in the scope of protection of the utility model.
Claims (10)
1. a kind of hand microphone audio amplifier, including main body audio amplifier (1), control unit (2) and microphone assembly (3), the control
Unit (2) processed is arranged in the main body audio amplifier (1), and it is connected with the microphone assembly (3) by wire (4), its feature
It is, the microphone assembly (3) includes hand holding handle (31), power supply (32) and miaow head (33), and the miaow head (33) is positioned at described
One end of hand holding handle (31), the power supply (32) are arranged in the hand holding handle (31), and the main body audio amplifier (1) carries by one
The rotation shaft coupling device (5) of hollow chamber is fixedly connected with the other end of the hand holding handle (31), and the wire (4) is through institute
The hollow chamber of rotation shaft coupling device (5) is stated, and is electrically connected with respectively with described power supply (32), control unit (2).
2. hand microphone audio amplifier according to claim 1, it is characterised in that the microphone assembly (3) also includes
Mike's steel mesh (37), Mike's gum cover (36) and hollow Mike's decoration (35), the inside of Mike's decoration (35) are provided with
One is secured to the gum cover bearing (38) of connection, and the both ends of Mike's gum cover (36) and gum cover bearing (38) grafting are solid
Fixed, the miaow head (33) is fixed on the middle part of Mike's gum cover (36)；Mike's decoration (35) and the hand holding handle
(31) free end is detachably fixed connection, and Mike's steel mesh (37) is arranged at the inside of Mike's decoration (35), and
Mike's gum cover (36) is located at the inside of Mike's steel mesh (37), the miaow head (33) respectively with described power supply (32),
Control unit (2) is connected by wire.
3. hand microphone audio amplifier according to claim 2, it is characterised in that the gum cover bearing (38) is one hollow
Column structure, its free end form locating rod (381), and Mike's gum cover (36) is hollow cylindrical silica gel sheath, its lateral surface
Upper formation is secured to the clamping hangers (361) of connection, and the clamping hangers (361) is formed with the locating rod (381) respectively
Grafting coordinates.
4. according to any described hand microphone audio amplifiers of claim 1-3, it is characterised in that the rotation shaft coupling device
(5) including the hollow axle (51) being coaxially disposed and hollow the first connector (52), one end of first connector (52)
Tight fit connection is rotated against in coaxial with one end of the hollow axle (51), its other end and the one of the hand holding handle (31)
End is fixedly connected；The other end of the hollow axle (51) is fixedly connected with the main body audio amplifier (1), and the wire (4) is successively
Through the hollow axle (51) and the first connector (52).
5. according to any described hand microphone audio amplifiers of claim 1-3, it is characterised in that the rotation shaft coupling device bag
Include the hollow axle (51) being coaxially disposed and hollow the first connector (52), one end of first connector (52) with it is described
In coaxially tight fit connection is rotated against, its other end is fixedly connected with the main body audio amplifier (1) for one end of hollow axle (51)；
The other end of the hollow axle (51) is fixedly connected with one end of the hand holding handle (31), and the wire (4) sequentially passes through institute
State hollow axle (51) and the first connector (52).
6. hand microphone audio amplifier according to claim 3, it is characterised in that the main body audio amplifier (1) and the hand
The coaxial relative rotation angle held between handle (31) is less than 360 degree.
7. hand microphone audio amplifier according to claim 4, it is characterised in that the rotation shaft coupling device (5) is also wrapped
Include hollow second connector (53), one end of second connector (53) be arranged at the hollow axle (51) with institute
The relative one end of the first connector (52) is stated, its other end is fixedly connected with the main body audio amplifier (1), second connector
(53) end and the end of the hollow axle (51) form rotation tight fit connection, the axis of second connector (53)
Rotation angle is formed relative to the axis of the hollow axle (51)；The wire (4) sequentially passes through first connector
(52), hollow axle (51) and the second connector (53).
8. hand microphone audio amplifier according to claim 7, it is characterised in that be connected with second connector (53)
The end of the hollow axle (51) connect is provided with a spherical mounting groove (6), and one end of second connector (53) is arranged at
In the spherical mounting groove (6), the two forms rotation tight fit connection, and the main body audio amplifier (1) is relative to the hand holding handle
(31) swing angle is 0-90 °.
9. hand microphone audio amplifier according to claim 8, it is characterised in that the main body audio amplifier (1) in spherical, its
On be relatively set with left sound chamber (11) and right sound chamber (12).
10. hand microphone audio amplifier according to claim 9, it is characterised in that adjacent with the left sound chamber (11)
The one side of the main body audio amplifier (1) is provided with the light guide (13) being electrically connected with described control unit (2), the main body sound
The face-piece (14) of case (1) is provided with the multiple loopholes (7) corresponding with the light guide (13) position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720705294.7U CN206835288U (en) | 2017-06-16 | 2017-06-16 | A kind of hand microphone audio amplifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720705294.7U CN206835288U (en) | 2017-06-16 | 2017-06-16 | A kind of hand microphone audio amplifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206835288U true CN206835288U (en) | 2018-01-02 |
Family
ID=60775137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720705294.7U Expired - Fee Related CN206835288U (en) | 2017-06-16 | 2017-06-16 | A kind of hand microphone audio amplifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206835288U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107205181A (en) * | 2017-06-16 | 2017-09-26 | 深圳市唱枪科技有限公司 | A kind of hand microphone audio amplifier |
-
2017
- 2017-06-16 CN CN201720705294.7U patent/CN206835288U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107205181A (en) * | 2017-06-16 | 2017-09-26 | 深圳市唱枪科技有限公司 | A kind of hand microphone audio amplifier |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180102 Termination date: 20210616 |