CN116723433A - Collar clip microphone with noise reduction function and noise reduction method - Google Patents
Collar clip microphone with noise reduction function and noise reduction method Download PDFInfo
- Publication number
- CN116723433A CN116723433A CN202310983961.8A CN202310983961A CN116723433A CN 116723433 A CN116723433 A CN 116723433A CN 202310983961 A CN202310983961 A CN 202310983961A CN 116723433 A CN116723433 A CN 116723433A
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- 230000009467 reduction Effects 0.000 title claims abstract description 78
- 238000000034 method Methods 0.000 title claims abstract description 8
- 230000002265 prevention Effects 0.000 claims abstract description 25
- 230000000694 effects Effects 0.000 claims abstract description 14
- 238000003825 pressing Methods 0.000 claims abstract description 14
- 238000005507 spraying Methods 0.000 claims abstract description 12
- 241000209140 Triticum Species 0.000 claims abstract description 6
- 235000021307 Triticum Nutrition 0.000 claims abstract description 6
- 241000894006 Bacteria Species 0.000 claims description 4
- 239000007921 spray Substances 0.000 claims description 4
- 238000003860 storage Methods 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 claims description 3
- 210000001503 joint Anatomy 0.000 claims description 2
- 230000002708 enhancing effect Effects 0.000 claims 1
- 238000001914 filtration Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 239000004576 sand Substances 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/08—Mouthpieces; Microphones; Attachments therefor
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
Abstract
The application provides a collar clamp microphone with a noise reduction function and a noise reduction method, comprising a noise reduction assembly, wherein the noise reduction assembly comprises a shell, a circuit board, a clamping groove, a sinking groove, a sound receiving hole, a sound receiving pipe, a filter, a noise reduction layer, a flow guide plate, a flow guide hole, a pickup, a pressing plate, a mounting groove, a buckle and a blowout prevention sponge; the sinking groove is formed in the upper surface of the shell. According to the application, the anti-spraying sponge can play a role in preventing wheat spraying, noise in sound waves can be reduced through the noise reduction layer, then the sound pick-up converts the sound waves into signals and sends the signals to the filter, the filter filters the noise in the signals, the purpose of noise reduction is achieved, the noise reduction effect is improved through multiple times of noise reduction, the sound pick-up head is arranged in the shell and cannot rub with external clothes, and the pressing plate is connected with the shell in a clamping manner, so that the anti-spraying sponge is convenient to replace or clean.
Description
Technical Field
The application relates to a microphone, in particular to a collar clamp microphone with a noise reduction function and a noise reduction method, and belongs to the technical field of microphones.
Background
The collar clip type microphone is a wireless microphone, generally belongs to a capacitance type microphone, and can be suitable for occasions such as large-scale mobile conferences, sound recording, public transmission, outdoor lectures, lectures and the like. The collar clamp type microphone has the advantages of small volume, light weight, convenient use and capability of being clamped on the collar of a user through the clamping mechanism. When the existing collar clip type microphone is used, the impression of external noise is easy to be received, and the noise reduction capability is poor.
The known Chinese public authorized application (publication No. CN 217470220U) discloses a collar clip type microphone with anti-vibration and noise reduction functions, which has the advantages that noise reduction holes are formed in a sound head seat, so that when the sound head is impacted, the effect of adjusting the sound receiving effect of the sound head can be achieved, the influence of high-intensity sound and instant impact sound when the sound head receives sound is reduced, the sound head is protected, and the sound pickup effect and sound receiving quality of the sound head are improved;
although the noise-reducing microphone can achieve a certain noise-reducing effect, the noise is reduced only through the two noise-reducing holes, the noise-reducing mode is single, the noise-reducing effect is poor, and the radio head is arranged at the top of the shell and is easy to rub with articles such as external collars, so that certain noise can be generated.
Disclosure of Invention
In view of the above, the present application provides a collar clip microphone with noise reduction function and a noise reduction method, so as to solve or alleviate the technical problems in the prior art, and at least provide a beneficial choice.
The technical scheme of the embodiment of the application is realized as follows: the collar clip microphone with the noise reduction function comprises a noise reduction component, wherein the noise reduction component comprises a shell, a circuit board, a clamping groove, a sinking groove, a sound receiving hole, a sound receiving pipe, a filter, a noise reduction layer, a guide plate, a guide hole, a pickup, a pressing plate, a mounting groove, a buckle and a blowout prevention sponge;
the utility model discloses a sound collecting device, including shell, recess, baffle, sound pick-up, filter, mounting plate, baffle, sound pick-up, mounting plate, draw-in groove, sinking groove set up in the upper surface of shell, the sound pick-up hole set up in the interior bottom wall of sinking groove, the draw-in groove set up in inner wall one side of sinking groove, the mounting groove set up in the lower surface of clamp plate, the buckle install in one side of clamp plate, prevent spouting the sponge scarf joint in the inside wall of mounting groove, fall the noise floor with equal fixed connection of baffle in the inside wall of sound pick-up pipe, the sound pick-up install in interior bottom wall of sound pick-up pipe, the filter install in the front surface of circuit board, the water conservancy diversion hole evenly set up in the upper surface of baffle.
Further preferably, the side of the pressing plate away from the buckle is rotationally connected to the side of the inner wall of the sinking groove away from the clamping groove, and the buckle is clamped in the clamping groove.
Further preferably, the lower surface of the blowout prevention sponge is attached to the inner bottom wall of the sinking groove, and the position of the blowout prevention sponge corresponds to the position of the sound receiving hole.
Further preferably, the sound receiving pipe is mounted on the inner top wall of the shell, the position of the sound receiving hole corresponds to that of the sound receiving pipe, and the noise reduction layer is located above the guide plate.
Further preferably, the circuit board is mounted on the inner rear wall of the housing, and the circuit board is located below the radio tube.
Further preferably, a clamping assembly is mounted on the rear surface of the shell, and comprises a clamping plate, a control button, a storage battery and an anti-slip raised line;
the clamping plate is mounted to the rear surface of the housing.
Further preferably, the control button is mounted on one side of the housing, and the battery is mounted on an inner bottom wall of the housing.
Further preferably, the anti-slip convex strips are equidistantly arranged on the front surface of the clamping plate.
The application provides a noise reduction method of a collar clamp microphone with a noise reduction function, which comprises the following steps:
s1, the shell can be clamped and fixed at the neckline of a user through the clamping plates, and the stability of the clamping plates and the shell can be enhanced through the anti-skid raised strips;
s2, when radio reception is carried out, the anti-spraying sponge can play a role in reducing wind noise and preventing wheat spraying, so that noise is reduced;
s3, the sound waves after primary noise reduction through the blowout prevention sponge enter the sound receiving pipe through the sound receiving hole and penetrate through the noise reduction layer, and at the moment, the noise in the sound waves can be reduced through the noise reduction layer, so that the effect of secondary noise reduction is achieved;
s4, sound waves downwards spread in the diversion holes, at the moment, the pickup can pick up the sound waves, and then the pickup converts the sound waves into signals and sends the signals to the filter;
s5, noise in the signal can be filtered through the filter, so that the purpose of noise reduction treatment is achieved, after the use is finished, the clamp buckle is buckled out of the clamping groove through buckling, and the pressing plate can be rotated;
s6, taking out, cleaning and replacing the blowout prevention sponge at the moment, and avoiding bacteria from growing on the surface of the blowout prevention sponge due to residual spray during speaking.
By adopting the technical scheme, the embodiment of the application has the following advantages: according to the application, the anti-spraying sponge can play a role in reducing wind noise and preventing wheat spraying, so that noise is reduced, sound waves enter the radio tube, the noise in the sound waves can be reduced through the noise reduction layer, the effect of secondary noise reduction is achieved, then the sound pickup converts the sound waves into signals and sends the signals to the filter, the filter filters the noise in the signals, the purpose of noise reduction is achieved, the noise reduction effect is improved through multiple times of noise reduction, the pickup head is arranged in the shell and cannot rub with external clothes, and the pressing plate is connected with the shell in a clamping manner, so that the anti-spraying sponge is convenient to replace or clean.
The foregoing summary is for the purpose of the specification only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments, and features described above, further aspects, embodiments, and features of the present application will become apparent by reference to the drawings and the following detailed description.
Drawings
In order to more clearly illustrate the embodiments of the application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a block diagram of the present application;
FIG. 2 is a block diagram of a noise reduction assembly of the present application;
FIG. 3 is a block diagram of a radio tube of the present application;
FIG. 4 is a block diagram of a platen according to the present application;
fig. 5 is a structural view of the splint according to the present application.
Reference numerals: 101. a noise reduction assembly; 11. a housing; 12. a circuit board; 13. a clamping groove; 14. a sinking groove; 15. a radio hole; 16. a radio tube; 17. a filter; 18. a noise reduction layer; 19. a deflector; 20. a deflector aperture; 21. a sound pickup; 22. a pressing plate; 23. a mounting groove; 24. a buckle; 25. a blowout prevention sponge; 301. a clamping assembly; 31. a clamping plate; 32. a control button; 33. a storage battery; 34. an anti-slip convex strip.
Detailed Description
Hereinafter, only certain exemplary embodiments are briefly described. As will be recognized by those of skill in the pertinent art, the described embodiments may be modified in various different ways without departing from the spirit or scope of the present application. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive.
Embodiments of the present application will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1 to 5, the embodiment of the application provides a collar clip microphone with a noise reduction function, which comprises a noise reduction component 101, wherein the noise reduction component 101 comprises a shell 11, a circuit board 12, a clamping groove 13, a sinking groove 14, a sound receiving hole 15, a sound receiving tube 16, a filter 17, a noise reduction layer 18, a guide plate 19, a guide hole 20, a pickup 21, a pressing plate 22, a mounting groove 23, a buckle 24 and a blowout prevention sponge 25;
the sinking groove 14 is formed in the upper surface of the shell 11, the sound pick-up hole 15 is formed in the inner bottom wall of the sinking groove 14, the clamping groove 13 is formed in one side of the inner wall of the sinking groove 14, the mounting groove 23 is formed in the lower surface of the pressing plate 22, the clamping buckle 24 is mounted on one side of the pressing plate 22, the blowout prevention sponge 25 is embedded in the inner side wall of the mounting groove 23, the noise reduction layer 18 and the guide plate 19 are fixedly connected to the inner side wall of the sound pick-up tube 16, the sound pick-up 21 is mounted on the inner bottom wall of the sound pick-up tube 16, the filter 17 is mounted on the front surface of the circuit board 12, and the guide holes 20 are uniformly formed in the upper surface of the guide plate 19.
In one embodiment, one side of clamp plate 22 that keeps away from buckle 24 rotates to be connected in the one side of keeping away from draw-in groove 13 of draw-in groove 14 inner wall, buckle 24 joint is in the inside of draw-in groove 13, the lower surface laminating of blowout prevention sponge 25 is in the interior bottom wall of draw-in groove 14, the position of blowout prevention sponge 25 corresponds with the position of radio bore 15, can play the effect that reduces wind noise, prevent spouting the wheat through blowout prevention sponge 25, and then reduce noise's production, clamp plate 22 installs through the mode of joint, conveniently change or wash blowout prevention sponge 25 after the microphone finishes using, the residual surface at blowout prevention sponge 25 of spray when avoiding speaking breeds the bacterium.
In one embodiment, the sound receiving tube 16 is installed on the inner top wall of the housing 11, the position of the sound receiving hole 15 corresponds to the position of the sound receiving tube 16, the noise reduction layer 18 is located above the guide plate 19, when sound is received, primary noise reduction can be performed through the blowout prevention sponge 25, then sound waves enter the sound receiving tube 16 through the sound receiving hole 15 and penetrate the noise reduction layer 18, noise can be reduced through the noise reduction layer 18, further the effect of secondary noise reduction is achieved, then the sound waves downwards propagate in the guide hole 20, at this time, the pickup 21 can pick up sound, and the noise reduction layer 18 is made of sound absorption cotton.
In one embodiment, the circuit board 12 is mounted on the inner rear wall of the housing 11, the circuit board 12 is located below the sound receiving tube 16, the sound pickup 21 receives sound and sends the sound to the filter 17, noise in the sound can be filtered by the filter 17, and further the noise reduction effect is achieved, and a wireless transmitter and a wireless receiver for signal connection are further arranged on the front surface of the circuit board 12.
In one embodiment, the rear surface of the housing 11 is mounted with a clamping assembly 301, the clamping assembly 301 comprising a clamping plate 31, a control button 32, a battery 33 and a non-slip bead 34;
the splint 31 is installed in the rear surface of shell 11, and anti-skidding sand grip 34 equidistance is installed in the front surface of splint 31, and splint 31 passes through the torsional spring to be connected with shell 11, and then can fix shell 11 centre gripping in user's collarband department through splint 31, and then can strengthen the stability of splint 31 and shell 11 through anti-skidding sand grip 34.
In one embodiment, the control button 32 is mounted on one side of the housing 11, the battery 33 is mounted on the inner bottom wall of the housing 11, the electrical output end of the battery 33 is electrically connected with the filter 17 and the electrical input end of the pickup 21 through the circuit board 12, and the signal transmitting end of the pickup 21 is communicated with the signal receiving end of the filter 17.
The application provides a noise reduction method of a collar clamp microphone with a noise reduction function, which comprises the following steps:
s1, the shell 11 can be clamped and fixed at the neckline of a user through the clamping plate 31, and the stability of the clamping plate 31 and the shell 11 can be enhanced through the anti-skid raised strips 34;
s2, when the radio is received, the anti-spraying sponge 25 can play a role in reducing wind noise and preventing wheat spraying, so that noise is reduced;
s3, the sound waves after primary noise reduction through the blowout prevention sponge 25 enter the sound receiving pipe 16 through the sound receiving hole 15 and penetrate the noise reduction layer 18, and at the moment, the noise in the sound waves can be reduced through the noise reduction layer 18, so that the effect of secondary noise reduction is achieved;
s4, the sound waves downwards propagate in the diversion holes 20, at the moment, the pickup 21 can pick up the sound, and then the pickup 21 converts the sound waves into signals and sends the signals to the filter 17;
s5, noise in the signal can be filtered through the filter 17, so that the purpose of noise reduction treatment is achieved, after the use is finished, the clamp buckle 24 is buckled out of the clamping groove 13 through buckling the clamp buckle 24, and the pressing plate 22 can be rotated;
s6, the blowout prevention sponge 25 can be taken out for cleaning or replacement at the moment, so that bacteria are prevented from growing on the surface of the blowout prevention sponge 25 due to the fact that spray remains during speaking.
The foregoing is merely illustrative of the present application, and the present application is not limited thereto, and any person skilled in the art will readily recognize that various changes and substitutions are possible within the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (9)
1. The utility model provides a collar clamp microphone with function of making an uproar falls, includes the subassembly (101) of making an uproar falls, its characterized in that: the noise reduction assembly (101) comprises a shell (11), a circuit board (12), a clamping groove (13), a sinking groove (14), a sound receiving hole (15), a sound receiving pipe (16), a filter (17), a noise reduction layer (18), a guide plate (19), a guide hole (20), a pickup (21), a pressing plate (22), a mounting groove (23), a buckle (24) and a blowout prevention sponge (25);
the utility model discloses a sound pickup device, including shell (11), sound pickup device, filter (17), filter, baffle, mounting plate (19), noise reduction layer (18) and baffle (19) all fixed connection in the inside wall of sound pickup tube (16), sound pickup device (21) install in the interior wall of sound pickup tube (16), filter (17) install in the front surface of circuit board (12), baffle (20) evenly open in the upper surface of baffle (19), install in buckle (24) one side of clamp plate (22), prevent spouting sponge (25) scarf joint in the inside wall of mounting plate (23), noise reduction layer (18) with baffle (19) all fixed connection in the inside wall of sound pickup tube (16).
2. The necktie microphone with noise reduction function according to claim 1, wherein: one side of the pressing plate (22) far away from the buckle (24) is rotationally connected to one side of the inner wall of the sinking groove (14) far away from the clamping groove (13), and the buckle (24) is clamped in the clamping groove (13).
3. The necktie microphone with noise reduction function according to claim 1, wherein: the lower surface of the blowout prevention sponge (25) is attached to the inner bottom wall of the sinking groove (14), and the blowout prevention sponge (25) corresponds to the radio hole (15).
4. The necktie microphone with noise reduction function according to claim 1, wherein: the sound receiving pipe (16) is arranged on the inner top wall of the shell (11), the position of the sound receiving hole (15) corresponds to the position of the sound receiving pipe (16), and the noise reduction layer (18) is arranged above the guide plate (19).
5. The necktie microphone with noise reduction function according to claim 1, wherein: the circuit board (12) is mounted on the inner rear wall of the outer shell (11), and the circuit board (12) is located below the radio tube (16).
6. The necktie microphone with noise reduction function according to claim 5, wherein: a clamping assembly (301) is arranged on the rear surface of the shell (11), and the clamping assembly (301) comprises a clamping plate (31), a control button (32), a storage battery (33) and an anti-slip raised line (34);
the clamping plate (31) is mounted to the rear surface of the housing (11).
7. The necktie microphone with noise reduction function according to claim 6, wherein: the control button (32) is mounted on one side of the housing (11), and the storage battery (33) is mounted on the inner bottom wall of the housing (11).
8. The necktie microphone with noise reduction function according to claim 6, wherein: the anti-slip convex strips (34) are equidistantly arranged on the front surface of the clamping plate (31).
9. A noise reduction method using the collar clip microphone with noise reduction function of any one of claims 1 to 8, comprising the steps of:
s1, clamping and fixing the shell (11) at a neckline of a user through a clamping plate (31), and enhancing the stability of the clamping plate (31) and the shell (11) through an anti-slip raised line (34);
s2, when the radio is received, the anti-spraying sponge (25) plays roles in reducing wind noise and preventing wheat spraying, so that noise is reduced;
s3, the sound waves after primary noise reduction through the blowout prevention sponge (25) enter the sound receiving pipe (16) through the sound receiving hole 15 and penetrate through the noise reduction layer (18), and at the moment, the noise in the sound waves is reduced through the noise reduction layer (18), so that the effect of secondary noise reduction is achieved;
s4, sound waves downwards propagate in the diversion holes (20), at the moment, the pickup (21) picks up sound, and then the pickup (21) converts the sound waves into signals and sends the signals to the filter (17);
s5, filtering noise in the signal through a filter (17), further achieving the purpose of noise reduction treatment, and after the use is completed, buckling the buckle (24) out of the clamping groove (13) through buckling the buckle (24), so that the pressing plate (22) can be rotated;
and S6, taking out the blowout prevention sponge (25) at the moment, cleaning or replacing, and avoiding bacteria from growing on the surface of the blowout prevention sponge (25) due to residual spray during speaking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310983961.8A CN116723433B (en) | 2023-08-07 | 2023-08-07 | Collar clip microphone with noise reduction function and noise reduction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310983961.8A CN116723433B (en) | 2023-08-07 | 2023-08-07 | Collar clip microphone with noise reduction function and noise reduction method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116723433A true CN116723433A (en) | 2023-09-08 |
| CN116723433B CN116723433B (en) | 2023-11-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310983961.8A Active CN116723433B (en) | 2023-08-07 | 2023-08-07 | Collar clip microphone with noise reduction function and noise reduction method |
Country Status (1)
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| CN (1) | CN116723433B (en) |
Citations (8)
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| CN204231600U (en) * | 2014-11-28 | 2015-03-25 | 苏贝贝 | The microphone structure of a kind of replaceable microphone sponge |
| US20150181320A1 (en) * | 2013-12-25 | 2015-06-25 | Kabushiki Kaisha Audio-Technica | Volume reduction filling member for microphone and unidirectional condenser microphone incorporating the same |
| CN209946903U (en) * | 2019-07-05 | 2020-01-14 | 安徽协创物联网技术有限公司 | Translation equipment with silicon microphone |
| CN210016587U (en) * | 2019-08-02 | 2020-02-04 | 深圳市鸿展光声科技有限公司 | Waterproof microphone convenient to clean and detachable |
| CN113228159A (en) * | 2020-07-30 | 2021-08-06 | 深圳市大疆创新科技有限公司 | Leading sound noise reduction assembly and unmanned aerial vehicle |
| CN217470220U (en) * | 2022-06-24 | 2022-09-20 | 宁波市鄞州声科电子有限公司 | Collar clamp type microphone with anti-seismic and noise-reducing functions |
| CN218499235U (en) * | 2021-11-04 | 2023-02-17 | 深圳市深创博电子有限公司 | Microphone convenient to dismantle installation |
| CN219420978U (en) * | 2023-04-14 | 2023-07-25 | 广州城建职业学院 | Collar clip type radio equipment |
-
2023
- 2023-08-07 CN CN202310983961.8A patent/CN116723433B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150181320A1 (en) * | 2013-12-25 | 2015-06-25 | Kabushiki Kaisha Audio-Technica | Volume reduction filling member for microphone and unidirectional condenser microphone incorporating the same |
| CN204231600U (en) * | 2014-11-28 | 2015-03-25 | 苏贝贝 | The microphone structure of a kind of replaceable microphone sponge |
| CN209946903U (en) * | 2019-07-05 | 2020-01-14 | 安徽协创物联网技术有限公司 | Translation equipment with silicon microphone |
| CN210016587U (en) * | 2019-08-02 | 2020-02-04 | 深圳市鸿展光声科技有限公司 | Waterproof microphone convenient to clean and detachable |
| CN113228159A (en) * | 2020-07-30 | 2021-08-06 | 深圳市大疆创新科技有限公司 | Leading sound noise reduction assembly and unmanned aerial vehicle |
| CN218499235U (en) * | 2021-11-04 | 2023-02-17 | 深圳市深创博电子有限公司 | Microphone convenient to dismantle installation |
| CN217470220U (en) * | 2022-06-24 | 2022-09-20 | 宁波市鄞州声科电子有限公司 | Collar clamp type microphone with anti-seismic and noise-reducing functions |
| CN219420978U (en) * | 2023-04-14 | 2023-07-25 | 广州城建职业学院 | Collar clip type radio equipment |
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| Publication number | Publication date |
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| CN116723433B (en) | 2023-11-07 |
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Effective date of registration: 20231225 Address after: 518000 101, jinfulai complex, 49-1 Dabao Road, Dalang community, Xin'an street, Bao'an District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Zhilian Information Technology Co.,Ltd. Address before: 518000 floor 3, building C, No. 2, Luozu Industrial Avenue, Luozu community, Shiyan street, Bao'an District, Shenzhen, Guangdong Province Patentee before: Shenzhen Badam Technology Co.,Ltd. |
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