CN103281641B - A kind of audio amplifier - Google Patents
A kind of audio amplifier Download PDFInfo
- Publication number
- CN103281641B CN103281641B CN201310244379.6A CN201310244379A CN103281641B CN 103281641 B CN103281641 B CN 103281641B CN 201310244379 A CN201310244379 A CN 201310244379A CN 103281641 B CN103281641 B CN 103281641B
- Authority
- CN
- China
- Prior art keywords
- audio amplifier
- screw hole
- projection
- amplifier body
- convex edge
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000012528 membrane Substances 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000012943 hotmelt Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 239000007769 metal material Substances 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
- H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
- H04R1/021—Casings; Cabinets ; Supports therefor; Mountings therein incorporating only one transducer
Abstract
The present invention discloses a kind of audio amplifier, and comprise audio amplifier body and the base being arranged on described audio amplifier body bottom portion, described base and described audio amplifier body are screwed.The present invention is owing to detachably fixing between base and audio amplifier body, and particularly base is screwed in audio amplifier body bottom portion, screw fixation, and easily dismantles, thus is convenient for people to use.
Description
Technical field
The present invention relates to household appliance technical field, in particular, relate to a kind of audio amplifier.
Background technology
I devises a kind of audio amplifier, comprise audio amplifier body and the water injector being arranged on audio amplifier body top, be provided with the container of opening bottom described water injector comprises, be placed on the liquid in container and close the rubber membrane of described opening, the loudspeaker arranged in audio amplifier body cause the liquid in container from rubber membrane upwards shakes by the vibrations of audio frequency height, form droplet or little water column, there is very high ornamental value.Described audio amplifier also comprises horn hood for fixing loudspeaker and the base that is arranged between audio amplifier body and horn hood, horn hood is fixed on base together with loudspeaker, and the horn hood be fixed thereon is fixed on audio amplifier body by hot melt by base together with loudspeaker.This scheme is unexposed.Because hot melt is fixing not quick detachable, thus check once the intrinsic device failure of audio amplifier with regard to not easily carrying out or keep in repair.
Summary of the invention
Technical problem to be solved by this invention is to provide detachable fixing audio amplifier between a kind of audio amplifier body and base.
The object of the invention is to be achieved through the following technical solutions: a kind of audio amplifier, comprise audio amplifier body and be arranged on the base of described audio amplifier body bottom portion, described base and described audio amplifier body are screwed.
Preferably, described audio amplifier body bottom portion is provided with inwardly protruded first convex edge, described first convex edge is provided with screw hole, and corresponding described base is provided with inwardly protruding second convex edge, and described second convex edge is provided with the screw hole coordinated with the screw hole on described first convex edge.First convex edge and the second convex edge arrange the screw hole cooperatively interacted, is then fixed by screw, screw convenient fixing is dismantled, fixation.
Preferably, described audio amplifier body bottom portion is provided with inwardly protruded projection, described projection is provided with screw hole, and corresponding described base projection is also provided with inwardly protruded projection, and described base projection is provided with the screw hole coordinated with the screw hole in described audio amplifier body protrusions.Projection is set, directly screw hole is set on projection, can material be saved.
Preferably, described first convex edge is provided with inwardly protruded projection, and described screw hole is arranged on described projection; Corresponding described second convex edge is also provided with inwardly protruded projection, and described screw hole is also arranged on described projection.Projection is arranged on convex edge, saving material that can not only be appropriate, but also the intensity at screw hole place can be increased.
Preferably, described base is extended with adapter sleeve up or down along screw hole, and described adapter sleeve inwall is provided with the screw thread with the threaded engagement of screw hole inwall.Adapter sleeve is set and strengthens fixed-area, thus make fixing more firm.
Preferably, the projection on described audio amplifier body is upwards provided with the groove coordinated with the adapter sleeve on described base along screw hole, described adapter sleeve is placed in described groove.Adapter sleeve is directly inserted in groove, thus groove just can play position-limiting action to adapter sleeve, facilitate screw to fix, and fixing more firm.
Preferably, described audio amplifier body is extended with adapter sleeve downward or upward along screw hole, and described adapter sleeve inwall is provided with the screw thread with the threaded engagement of screw hole inwall.This is the another kind of mode arranging adapter sleeve, can play the effect increasing fix tightly solidity equally.
Preferably, the projection on described base is along screw hole to having the groove coordinated with the adapter sleeve on audio amplifier body, and described adapter sleeve is placed in described groove.Adapter sleeve is directly inserted in groove, thus groove just can play position-limiting action to adapter sleeve, facilitate screw to fix, and fixing more firm.
Preferably, the number of described screw hole is three, and uniform setting.Three screws are fixed, and are 3 average points, thus make fixing uniform force, fixation.
Preferably, have certain distance between described first convex edge and described audio amplifier body bottom portion edge, described base top to be inserted in described audio amplifier body and to coordinate with described first convex edge.Base inserts in audio amplifier body, base engagement audio amplifier body is arranged, thus audio amplifier body is to base, and direction is spacing around, and also the first convex edge contact cooperation of base upper end, thus the first convex edge is carried out spacing to base in an upward direction, and then make the fixing more firm of base.
The present invention is owing to detachably fixing between base and audio amplifier body, and particularly base is screwed in audio amplifier body bottom portion, screw fixation, and easily dismantles, thus is convenient for people to use.
Accompanying drawing explanation
Fig. 1 is the overall structure figure of audio amplifier of the present invention;
Fig. 2 is that audio amplifier described in the embodiment of the present invention one splits schematic diagram;
Fig. 3 is the structural representation of audio amplifier body described in the embodiment of the present invention one;
Fig. 4 is the structural representation of base described in the embodiment of the present invention one.
Wherein: 1, audio amplifier body; 11, the first convex edge; 12, projection; 13, adapter sleeve; 2, base; 21, the second convex edge; 22, projection; 23, adapter sleeve; 24, groove; 3, container; 31, opening; 4, rubber membrane; 5, fixture; 6, color lamp; 7, becket; 8, loudspeaker; 9, horn hood.
Embodiment
Below in conjunction with accompanying drawing and preferred embodiment, the invention will be further described.
The present invention discloses a kind of audio amplifier, and comprise audio amplifier body and the base being arranged on described audio amplifier body bottom portion, as the embodiment of the present invention one, as shown in Figures 1 to 4, described base 2 is screwed in bottom audio amplifier body 1.The present invention is owing to detachably fixing between base 2 and audio amplifier body 1, and particularly base 2 is screwed in bottom audio amplifier body 1, screw fixation, and easily dismantles, thus is convenient for people to use.
In the present embodiment, as depicted in figs. 1 and 2, audio amplifier of the present invention also comprises water injector, be provided with the container 3 of opening 31 bottom described water injector comprises, be placed on the liquid in container 3 and close the rubber membrane 4 of described opening 31, the loudspeaker 8 arranged in audio amplifier body 1 cause the liquid in container 3 from rubber membrane 4 upwards shakes by the vibrations of audio frequency height, form droplet or little water column, there is very high ornamental value.Described rubber membrane 4 is by fixture 5 together insertion opening 31, fixture 5 and rubber membrane 4 are equipped with, and fixture 5 is communicated with rubber membrane 4 coordinates opening 31 to arrange, because rubber membrane 4 has good elasticity, thus just can prevent the liquid in container 3 from spilling from opening 31.Be fixed with color lamp 6 in fixture 5 bottom, color lamp 6 have LED lamp, and is communicated with circuit board, when audio amplifier works, color lamp 6 can send colorful light, coordinates the liquid in container 3 more attractive in appearance.Opening 31 end that audio amplifier body 1 is socketed in container 3 realizes fixing, the becket 7 that one is socketed in both junctions is had in the junction of audio amplifier body 1 and container 3, becket is that metal material is made, and has good intensity, thus it is fixing more firm to make between audio amplifier body 1 and container 3.Bottom base 2, connection one is for the horn hood 9 of fixing loudspeaker 8, and loudspeaker 8 are first fixed on horn hood 9, and then are fixed on base 2, and base 2 and horn hood 9 all coordinate the vibrational power flow of loudspeaker 8, thus just can firmly fix loudspeaker 8.
In the present embodiment, an inwardly protruded circle convex edge is provided with bottom described audio amplifier body 1, it is the first convex edge 11, corresponding described base 2 being also provided with an inwardly protruded circle convex edge, is that the second convex edge, convex edge 21, two is equipped with, and described first convex edge 11 is provided with inwardly protruded projection 12, described screw hole is arranged on described projection 12, and corresponding described second convex edge 21 is also provided with inwardly protruded projection 22, and described screw hole is also arranged on described projection 22.Convex edge arranges projection, then screw hole is set on projection, saving material that can not only be appropriate, but also the intensity at screw hole place can be increased.
In the present embodiment, described base 2 is extended with adapter sleeve 23 downwards along screw hole, and adapter sleeve 23 inwall is provided with the screw thread with the threaded engagement of screw hole inwall, arranges adapter sleeve 23 and strengthens fixed-area, thus makes fixing more firm.Described audio amplifier body 1 is extended with adapter sleeve 13 downwards along screw hole, described adapter sleeve 13 inwall is provided with the screw thread with the threaded engagement of screw hole inwall, adapter sleeve 13 is set equally and strengthens fixed-area, thus make fixing more firm, in addition, projection 22 on described base 2 is along screw hole to having the groove 24 coordinated with the adapter sleeve 13 on audio amplifier body, described adapter sleeve 13 is placed in groove 24, adapter sleeve 13 is directly inserted in groove 24, thus groove 24 just can play position-limiting action to adapter sleeve 13, screw is facilitated to fix, and fixing more firm.
Certainly, the present embodiment also can by base along screw hole upwards extended adapter sleeve, described adapter sleeve inwall is provided with the screw thread with the threaded engagement of screw hole inwall, described audio amplifier body is upwards extended with adapter sleeve along screw hole, described adapter sleeve inwall is provided with the screw thread with the threaded engagement of screw hole inwall, projection on described audio amplifier body is upwards provided with the groove coordinated with the adapter sleeve on base along screw hole, described adapter sleeve is placed in groove, adapter sleeve is directly inserted in groove, same groove just can play position-limiting action to adapter sleeve, screw is facilitated to fix, and it is fixing more firm.
In the present embodiment, the number of described screw hole is three, and uniform setting.Three screws are fixed, and are 3 average points, thus make fixing uniform force, fixation.Certainly, the present embodiment also screw that can arrange more than three is fixed, and evenly arranges, and makes stress balance.
In the present embodiment, certain distance is had between described first convex edge 11 and audio amplifier body 1 bottom sides edge, described base 2 top to be inserted in audio amplifier body 1 and to coordinate with the first convex edge 11, base 2 inserts in audio amplifier body 1, base 2 coordinates audio amplifier body 1 to arrange, thus audio amplifier body 1 pair of base 2 direction is spacing around, and base 2 upper end contacts cooperation with the first convex edge 11, thus the first convex edge 11 is carried out spacing to base 2 in an upward direction, and then make the fixing more firm of base 2.
Audio amplifier of the present invention also comprises and is bonded in circuit board on audio amplifier body 1 inner surface and battery by glue, wherein, circuit board is provided with the charging inlet for charging, corresponding audio amplifier body 2 is provided with the through hole for placing described charging inlet, through hole described as seen from Figure 3, thus be convenient for people to use.
Embodiment two as audio amplifier of the present invention is with the difference of embodiment one, described audio amplifier body bottom portion is provided with an inwardly protruded circle convex edge, be the first convex edge, described first convex edge is provided with screw hole, corresponding base is also provided with an inwardly protruded circle convex edge, it is the second convex edge, described second convex edge is provided with the screw hole coordinated with the screw hole on the first convex edge, convex edge arranges screw hole fastness good, is then fixed by screw, screw convenient fixing is dismantled, fixation.Other settings are identical with embodiment one with beneficial effect, tell about no longer one by one here.
Be with the difference of embodiment one as audio amplifier embodiment three of the present invention, described audio amplifier body bottom portion is provided with inwardly protruded projection, described projection is provided with screw hole, corresponding base is also provided with the projection of inside projection, described projection is provided with the screw hole coordinated with the screw hole on audio amplifier body,, directly screw hole is set on projection, can material be saved.Other settings are identical with embodiment one with beneficial effect, tell about no longer one by one here.
The present invention also can arrange convex edge on audio amplifier body, screw hole is established in convex edge, base directly arranges projection, projection establishes screw hole, then carries out cooperation and fixes.Certainly, also on audio amplifier body, directly projection can be set, projection establish screw hole, base arranges convex edge, screw hole is established in convex edge, then carry out cooperation and fix.
Above content is in conjunction with concrete preferred implementation further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, some simple deduction or replace can also be made, all should be considered as belonging to protection scope of the present invention.
Claims (10)
1. an audio amplifier, comprise audio amplifier body and the base being arranged on described audio amplifier body bottom portion, it is characterized in that, described base and described audio amplifier body are screwed; Described audio amplifier also comprises water injector, described water injector comprises bottom and is provided with the container of opening and closes the rubber membrane of described opening, the openend that described audio amplifier body is socketed in container realizes fixing, and the loudspeaker arranged in described audio amplifier body cause the liquid in container from rubber membrane upwards shakes by the vibrations of audio frequency height.
2. audio amplifier as claimed in claim 1, it is characterized in that, described audio amplifier body bottom portion is provided with inwardly protruded first convex edge, described first convex edge is provided with screw hole, corresponding described base is provided with inwardly protruded second convex edge, and described second convex edge is provided with the screw hole coordinated with the screw hole on described first convex edge.
3. audio amplifier as claimed in claim 1, it is characterized in that, described audio amplifier body bottom portion is provided with inwardly protruded projection, described projection is provided with screw hole, corresponding described base is also provided with inwardly protruded projection, and described base projection is provided with the screw hole coordinated with the screw hole in described audio amplifier body protrusions.
4. audio amplifier as claimed in claim 2, it is characterized in that, described first convex edge is provided with inwardly protruded projection, and described screw hole is arranged on described projection; Corresponding described second convex edge is also provided with inwardly protruded projection, and described screw hole is also arranged on described projection.
5. the audio amplifier as described in claim 3 or 4, is characterized in that, described base is extended with adapter sleeve up or down along screw hole, and described adapter sleeve inwall is provided with the screw thread with the threaded engagement of screw hole inwall.
6. audio amplifier as claimed in claim 5, it is characterized in that, the projection on described audio amplifier body is upwards provided with the groove coordinated with the adapter sleeve on base along screw hole, described adapter sleeve is placed in described groove.
7. the audio amplifier as described in claim 3 or 4, is characterized in that, described audio amplifier body is extended with adapter sleeve downward or upward along screw hole, and described adapter sleeve inwall is provided with the screw thread with the threaded engagement of screw hole inwall.
8. audio amplifier as claimed in claim 7, it is characterized in that, the projection on described base is along screw hole to having the groove coordinated with the adapter sleeve on audio amplifier body, and described adapter sleeve is placed in described groove.
9. the audio amplifier as described in as arbitrary in claim 2 to 4, it is characterized in that, the number of described screw hole is three, and uniform setting.
10. audio amplifier as claimed in claim 2, is characterized in that there is certain distance between described first convex edge and described audio amplifier body bottom portion edge, and described base top to be inserted in described audio amplifier body and to coordinate with described first convex edge.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310244379.6A CN103281641B (en) | 2013-06-19 | 2013-06-19 | A kind of audio amplifier |
| PCT/CN2013/077626 WO2014201681A1 (en) | 2013-06-19 | 2013-06-21 | Speaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310244379.6A CN103281641B (en) | 2013-06-19 | 2013-06-19 | A kind of audio amplifier |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103281641A CN103281641A (en) | 2013-09-04 |
| CN103281641B true CN103281641B (en) | 2016-03-30 |
Family
ID=49064059
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310244379.6A Active CN103281641B (en) | 2013-06-19 | 2013-06-19 | A kind of audio amplifier |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103281641B (en) |
| WO (1) | WO2014201681A1 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103281640A (en) * | 2013-06-19 | 2013-09-04 | 刘骏涛 | Sound box |
| CN103297879B (en) * | 2013-06-19 | 2016-06-08 | 邢皓宇 | A kind of audio amplifier |
| CN103475960A (en) * | 2013-09-12 | 2013-12-25 | 刘骏涛 | Voice box |
| CN103475957A (en) * | 2013-09-12 | 2013-12-25 | 刘骏涛 | Voice box |
| CN104301832B (en) * | 2014-09-30 | 2018-05-01 | 五川音响电子科技(东莞)有限公司 | A kind of loudspeaker box device of high intensity |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1949936A (en) * | 2005-10-11 | 2007-04-18 | 华硕电脑股份有限公司 | Loudspeaker device with vibration-proof design |
| CN201869336U (en) * | 2010-10-12 | 2011-06-15 | 胡秋月 | Earphone structure capable of being combined with hat |
| CN202617305U (en) * | 2012-04-11 | 2012-12-19 | 东科控股股份有限公司 | Self-locking loudspeaker single body and mounting and fixing structure thereof |
| CN203327196U (en) * | 2013-06-19 | 2013-12-04 | 刘骏涛 | Sound box |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5789396A (en) * | 1980-11-25 | 1982-06-03 | Sumitomo Special Metals Co Ltd | Plane-plate speaker |
| JP2010062819A (en) * | 2008-09-03 | 2010-03-18 | Kenwood Corp | Speaker device |
| CN201403179Y (en) * | 2009-04-10 | 2010-02-10 | 深圳Tcl新技术有限公司 | Separation-and-combination structure of strip-type loudspeaker |
| CN202873010U (en) * | 2012-09-06 | 2013-04-10 | 覃丽 | Pop-top can sound equipment |
-
2013
- 2013-06-19 CN CN201310244379.6A patent/CN103281641B/en active Active
- 2013-06-21 WO PCT/CN2013/077626 patent/WO2014201681A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1949936A (en) * | 2005-10-11 | 2007-04-18 | 华硕电脑股份有限公司 | Loudspeaker device with vibration-proof design |
| CN201869336U (en) * | 2010-10-12 | 2011-06-15 | 胡秋月 | Earphone structure capable of being combined with hat |
| CN202617305U (en) * | 2012-04-11 | 2012-12-19 | 东科控股股份有限公司 | Self-locking loudspeaker single body and mounting and fixing structure thereof |
| CN203327196U (en) * | 2013-06-19 | 2013-12-04 | 刘骏涛 | Sound box |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103281641A (en) | 2013-09-04 |
| WO2014201681A1 (en) | 2014-12-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103281641B (en) | A kind of audio amplifier | |
| CN203940346U (en) | Electronic fountain candle | |
| CN103281642A (en) | Sound box | |
| US8585234B2 (en) | Swingable electronic candle | |
| CN203327196U (en) | Sound box | |
| CN103281640A (en) | Sound box | |
| CN103297880A (en) | Speaker | |
| CN103297879A (en) | Loudspeaker box | |
| CN203327194U (en) | Sound box | |
| CN203313355U (en) | Sound box | |
| CN103297881A (en) | Speaker | |
| CN203313352U (en) | Sound box | |
| CN203313356U (en) | Sound box | |
| CN203313354U (en) | Sound box | |
| CN203597924U (en) | Shoe drier | |
| CN203989843U (en) | A kind of electronics stamp | |
| CN204372715U (en) | Led lamp | |
| CN202149397U (en) | Craftwork flower lamp | |
| CN203893043U (en) | Crystal lamp holder convenient to assemble and disassemble | |
| CN203842307U (en) | Electronic percussion stick | |
| CN206176183U (en) | Novel transparent module of light source | |
| CN103629643B (en) | A kind of line card fixation for LED streetlamp power source output lead | |
| CN205306614U (en) | Multi -functional purification cup | |
| CN103949061B (en) | A kind of electronics stamp | |
| CN203927734U (en) | A kind of down straight aphototropism mode set |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20160129 Address after: 518000 Shenzhen City, Futian District province Hongling building,, 1 25B Applicant after: Xing Haoyu Address before: 518000 Guangdong city of Shenzhen province Futian District Bagua road Pengyi garden five building 1208 room Applicant before: Liu Juntao |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zheng Yiqing Inventor before: Liu Juntao |
|
| CB03 | Change of inventor or designer information | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170815 Address after: 363601, Fujian Province, Nanjing County town, Tai Chi Village, cap hill 9 Patentee after: Zheng Yiqing Address before: 518000 Shenzhen City, Futian District province Hongling building,, 1 25B Patentee before: Xing Haoyu |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20180223 Address after: 102600, No. 3, building 2, building 4, Paradise Road, Beijing, Daxing District, 1, unit 317 Patentee after: Beijing informed investment home intellectual property rights Operation Co., Ltd. Address before: 363601, Fujian Province, Nanjing County town, Tai Chi Village, cap hill 9 Patentee before: Zheng Yiqing |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181102 Address after: 210008 Hankou Road, Drum Tower District, Nanjing, Jiangsu Province, No. 22 Patentee after: Wei Deying Address before: 102600 3 floor, 2 building, No. 4 Daxing District Garden Road, Beijing, 1 unit 317 Patentee before: Beijing informed investment home intellectual property rights Operation Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190115 Address after: 510800 Fuyuan Road, Xinya Street, Huadu District, Guangzhou City, Guangdong Province, No. 18 D Patentee after: Guangzhou West European visual and audio-visual technology Co., Ltd. Address before: 210008 Hankou Road, Drum Tower District, Nanjing, Jiangsu Province, No. 22 Patentee before: Wei Deying |
|
| TR01 | Transfer of patent right |