CN205051866U - Sounding device - Google Patents
Sounding device Download PDFInfo
- Publication number
- CN205051866U CN205051866U CN201520669415.8U CN201520669415U CN205051866U CN 205051866 U CN205051866 U CN 205051866U CN 201520669415 U CN201520669415 U CN 201520669415U CN 205051866 U CN205051866 U CN 205051866U
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- China
- Prior art keywords
- voice coil
- magnet
- vibrating diaphragm
- installed surface
- magnetic conductive
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- 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.)
- Expired - Fee Related
Links
- 230000002093 peripheral effect Effects 0.000 claims abstract description 19
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 238000009434 installation Methods 0.000 abstract 6
- 230000008878 coupling Effects 0.000 abstract 2
- 238000010168 coupling process Methods 0.000 abstract 2
- 238000005859 coupling reaction Methods 0.000 abstract 2
- 230000001815 facial effect Effects 0.000 abstract 1
- 238000005474 detonation Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000976 Electrical steel Inorganic materials 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
Landscapes
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The utility model relates to a sounding device, include: upper cover, support, lower cover, first vibrating diaphragm, second vibrating diaphragm, first voice coil loudspeaker voice coil, second voice coil loudspeaker voice coil, first magnet, second magnet, first magnetic conduction spare and second magnetic conduction spare, the support has the first second installation face of installing the face and carrying on the back with first installation facial features, and upper cover and lower cover cover respectively locates the first and second installation faces, and the first and second installation faces are equipped with first and second steps respectively, and the outer peripheral edges of first and second vibrating diaphragms are fixed in first step and second step respectively, first installation face is located to first magnet and first magnetic conduction spare, and first voice coil loudspeaker voice coil is located in the magnet gap of first magnet and the formation of first magnetic conduction spare to with first vibrating diaphragm rigid coupling, second installation face is located to second magnet and second magnetic conduction spare, and the second voice coil loudspeaker voice coil is located in the magnet gap of second magnet and the formation of second magnetic conduction spare to with second vibrating diaphragm rigid coupling. Above -mentioned sounding device realizes supporting first vibrating diaphragm and second vibrating diaphragm simultaneously through the support, simple structure, stabilizes, is convenient for to assemble.
Description
Technical field
The utility model relates to electroacoustic field, particularly relates to a kind of sound-producing device.
Background technology
Voice coil loudspeaker voice coil refers to the wire coil be placed in sound-producing device in magnetic gap, and when tone currents is by voice coil loudspeaker voice coil, voice coil loudspeaker voice coil will produce motion in magnetic field, thus promotes the diaphragm oscillations of sound-producing device, sounds.Double voice coil generally refers on same voice coil loudspeaker voice coil axle, by two wire coils of wire coiling, for promoting two diaphragm oscillations respectively, double voice coil sound-producing device is had bass is powerful, sound is mellow and full feature, therefore, double voice coil sound-producing device is widely used gradually in the electronic products such as earphone, sound equipment, toy.
But, two vibrating diaphragms in traditional double voice coil sound-producing device are supported by two parts usually respectively, and, because in traditional double voice coil sound-producing device, the structural design of each parts is unreasonable, cause coordinating built on the sand between each parts, complicated integral structure, assembling inconvenience, add production cost.
Utility model content
Based on this, be necessary for traditional double voice coil sound-producing device Problems existing, provide a kind of structure simple, firm, and sound-producing device easy to assembly.
The utility model embodiment provides a kind of sound-producing device, comprising: upper cover, support, lower cover, the first vibrating diaphragm, the second vibrating diaphragm, the first voice coil loudspeaker voice coil, the second voice coil loudspeaker voice coil, the first magnet, the second magnet, the first magnetic conductive part and the second magnetic conductive part;
Described support has the first installed surface and second installed surface opposing with described first installed surface, described upper cover and described lower cover cover at described first installed surface and described second installed surface respectively, described first installed surface and described second installed surface are respectively equipped with first step and second step, and the outer peripheral edges of described first vibrating diaphragm and the outer peripheral edges of described second vibrating diaphragm are individually fixed in described first step and described second step;
Described first magnet and described first magnetic conductive part are located at described first installed surface, and one end of described first voice coil loudspeaker voice coil is located in the magnetic gap of described first magnet and described first magnetic conductive part formation, and the other end is fixedly connected with described first vibrating diaphragm;
Described second magnet and described second magnetic conductive part are located at described second installed surface, and one end of described second voice coil loudspeaker voice coil is located in the magnetic gap of described second magnet and described second magnetic conductive part formation, and the other end is fixedly connected with described second vibrating diaphragm.
Above-mentioned sound-producing device, by the first step that the first vibrating diaphragm and the second vibrating diaphragm is individually fixed in the first installed surface of support and the second installed surface and formed and second step, realizes supporting the first vibrating diaphragm and the second vibrating diaphragm by support simultaneously, simplifies the structure.And by upper cover and lower cover being covered at respectively the first installed surface and second installed surface of support, first voice coil loudspeaker voice coil is located in the magnetic gap of the first magnet and the formation of the first magnetic conductive part, and to be fixedly connected with the first vibrating diaphragm and the second voice coil loudspeaker voice coil is located in the magnetic gap that the second magnet and the second magnetic conductive part formed, and be fixedly connected with the second vibrating diaphragm, the structure realizing sound-producing device is simple, firm, and is convenient to the assembling of each parts in sound-producing device.
Wherein in an embodiment, the middle part of described second installed surface is formed with depression, described second magnet and described second magnetic conductive part are located in described depression, described second magnet and described second magnetic conductive part are placed up and down, and and leave space between the inwall of described depression, one end of described second voice coil loudspeaker voice coil to be located in described space and around the inwall of described depression.
Wherein in an embodiment, described first installed surface has been recessed to form cannelure around described, described first magnet and described first magnetic conductive part setting up and down in described cannelure, and and leave space between the inwall of described cannelure, one end of described first voice coil loudspeaker voice coil to be located in described space and around described cannelure.
Wherein in an embodiment, described support comprises support arm and is located at the inner support in described support arm, the part of described second installed surface between described depression and described support arm forms described second step, described first installed surface forms described first step in described ring slot outside, and the outer peripheral edges of described upper cover and the outer peripheral edges of described lower cover abut with the madial wall of described support arm respectively.
Wherein in an embodiment, also comprise pcb board, described pcb board is located on described support arm, and arranges around described lower cover; Described first voice coil loudspeaker voice coil and described second voice coil loudspeaker voice coil are electrically connected with described pcb board by wire.
Wherein in an embodiment, outer peripheral edges around described first vibrating diaphragm are connected with the first ring portion, outer peripheral edges around described second vibrating diaphragm are connected with the second ring portion, and described first ring portion and described second ring portion are individually fixed in described first step and described second step.
Wherein in an embodiment, the middle part of described upper cover offers the first sender, and the middle part of described inner support offers through hole, and the second sender is offered at the middle part of described lower cover.
Wherein in an embodiment, described first magnet and described first magnetic conductive part are the identical ring-shaped in aperture, and described second magnet and described second magnetic conductive part are the identical ring-shaped in aperture.
Wherein in an embodiment, described support arm and described inner support are formed in one structure.
Wherein in an embodiment, described first magnetic conductive part and described second magnetic conductive part are iron plate.
The sound-producing device that the utility model provides, by the first vibrating diaphragm and the second vibrating diaphragm being individually fixed in the first installed surface and second installed surface of support, realize supporting the first vibrating diaphragm and the second vibrating diaphragm by support, structure is simple, firm simultaneously, easy to assembly, reduce costs.
Accompanying drawing explanation
Fig. 1 is the generalized section of the sound-producing device of the utility model one embodiment;
The detonation configuration schematic diagram that Fig. 2 is sound-producing device shown in Fig. 1.
Embodiment
As depicted in figs. 1 and 2, wherein, Fig. 1 is the generalized section of the sound-producing device 10 of the utility model one embodiment, the detonation configuration schematic diagram that Fig. 2 is sound-producing device 10 shown in Fig. 1.
Sound-producing device 10 comprises: upper cover 11, support 12, lower cover 13, first vibrating diaphragm 141, second vibrating diaphragm 142, first voice coil loudspeaker voice coil 151, second voice coil loudspeaker voice coil 152, first magnet 161, second magnet 162, first magnetic conductive part 171 and the second magnetic conductive part 172.
Support 12 has the first installed surface 121 and second installed surface 122 opposing with the first installed surface 121, and upper cover 11 and lower cover 13 cover at the first installed surface 121 and the second installed surface 122 respectively.First installed surface 121 and the second installed surface 122 are respectively equipped with first step 123 and second step 124, the outer peripheral edges of the first vibrating diaphragm 141 and the outer peripheral edges of the second vibrating diaphragm 142 are individually fixed in first step 123 and second step 124, like this, realize supporting the first vibrating diaphragm 141 and the second vibrating diaphragm 142 by support 12 simultaneously, simplify the structure, also improve stability when the first vibrating diaphragm 141 and the second vibrating diaphragm 142 vibrate simultaneously.
In order to improve stability when the first vibrating diaphragm 141 and the second vibrating diaphragm 142 vibrate further, in the present embodiment, outer peripheral edges around the first vibrating diaphragm 141 are connected with the first ring portion 181, outer peripheral edges around the second vibrating diaphragm 142 are connected with the second ring portion 182, first ring portion 181 and the second ring portion 182 is individually fixed in first step 123 and second step 124.First ring portion 181 and the second ring portion 182 are preferably becket, such as copper ring, iron hoop etc.
First magnet 161 and the first magnetic conductive part 171 are located at the first installed surface 121.One end of first voice coil loudspeaker voice coil 151 is located in the magnetic gap of the first magnet 161 and the formation of the first magnetic conductive part 171, the other end of the first voice coil loudspeaker voice coil 151 is fixedly connected with the first vibrating diaphragm 141, such as, the other end being realized the first voice coil loudspeaker voice coil 151 by glue is fixedly connected with the first vibrating diaphragm 141.In actual applications, when ac signal flows through the first voice coil loudspeaker voice coil 151, under the magnetic fields that the first voice coil loudspeaker voice coil 151 produces at this magnetic gap, the first vibrating diaphragm 141 is driven to vibrate and sounding.
Second magnet 162 and the second magnetic conductive part 172 are located at the second installed surface 122 of support 12.One end of second voice coil loudspeaker voice coil 152 is located in the magnetic gap of the second magnet 162 and the formation of the second magnetic conductive part 172, the other end of the second voice coil loudspeaker voice coil 152 is fixedly connected with the second vibrating diaphragm 142, such as, the other end being realized the second voice coil loudspeaker voice coil 152 by glue is fixedly connected with the second vibrating diaphragm 142.In actual applications, when ac signal flows through the second voice coil loudspeaker voice coil 152, under the magnetic fields that the second voice coil loudspeaker voice coil 152 produces at this magnetic gap, the second vibrating diaphragm 142 is driven to vibrate and sounding.
In the present embodiment, because the second vibrating diaphragm 142 is for generation of high frequency, first vibrating diaphragm 141 is for generation of low frequency, therefore, the thickness of the first vibrating diaphragm 141 is greater than the thickness of the second vibrating diaphragm 142, the size of the first vibrating diaphragm 141 is greater than the size of the second vibrating diaphragm 142, and that is, the projected area of the first vibrating diaphragm 141 is greater than the projected area of the second vibrating diaphragm 142.Thickness and the size of the second vibrating diaphragm 142 is greater than based on the thickness of the first vibrating diaphragm 141 and size, the middle part of the second installed surface 122 is formed with depression 125, second magnet 162 and the second magnetic conductive part 172 are located in depression 125, second magnet 162 and the second magnetic conductive part about 172 are placed, and and leave Second gap between the inwall of depression 125, one end of second voice coil loudspeaker voice coil 152 is located in this Second gap and around the madial wall of depression 125 and is arranged, avoid the second magnet 162, second magnetic conductive part 172 and the second voice coil loudspeaker voice coil 152 are subjected to displacement at the first installed surface 121, affect the audio of sound-producing device 10.
First installed surface 121 is formed with cannelure 126 around depression 125, first magnet 161 and the first magnetic conductive part 171 setting up and down in cannelure 126, and and leave the first space between the inwall of cannelure 126, one end of first voice coil loudspeaker voice coil 151 is located in this first space and around the madial wall of cannelure 126 and is arranged, avoid the first magnet 161, first magnetic conductive part 171 and the first voice coil loudspeaker voice coil 151 to be subjected to displacement at the second installed surface 122, affect the audio of sound-producing device 10.
In the present embodiment, support 12 comprises support arm 210 and is located at the inner support 220 in support arm 210, and support arm 210 and inner support 220 can be formed in one structure.The part of the second installed surface 122 between depression 125 and support arm 210 forms second step 124, first installed surface 121 forms first step 123 outside cannelure 126, the outer peripheral edges of upper cover 11 and the outer peripheral edges of lower cover 13 abut with the madial wall of support arm 210 respectively, better upper cover 11 and lower cover 13 are firmly covered at the first installed surface 121 and the second installed surface 122 respectively.
In the present embodiment, the first magnet 161 and the first magnetic conductive part 171 are the identical ring-shaped in aperture, and the second magnet 162 and the second magnetic conductive part 172 are the identical ring-shaped in aperture.First magnetic conductive part 171 and the second magnetic conductive part 172 are preferably iron plate, also can be silicon steel sheet.The middle part of upper cover 11 offers the first sender 110, and the middle part of inner support 220 offers through hole 120, and the second sender 130 is offered at the middle part of lower cover 13.
In the present embodiment, sound-producing device 10 also comprises pcb board 191, and pcb board 191 is located on support arm 127, and arranges around lower cover 13.First voice coil loudspeaker voice coil 151 and the second voice coil loudspeaker voice coil 152 are electrically connected with pcb board 191 by wire (not shown).Pcb board 191 is ring-shaped, also can be part ring-shaped.
The first step 123 that above-mentioned sound-producing device 10 is formed by the first installed surface 121 and the second installed surface 122 the first vibrating diaphragm 141 and the second vibrating diaphragm 142 being individually fixed in support 12 and second step 124, realize supporting the first vibrating diaphragm 141 and the second vibrating diaphragm 142 by support 12 simultaneously, simplify the structure.And by upper cover 11 and lower cover 13 being covered at respectively the first installed surface 121 and the second installed surface 122 of support 12, first voice coil loudspeaker voice coil 151 is located in the magnetic gap of the first magnet 161 and the formation of the first magnetic conductive part 171, and to be fixedly connected with the first vibrating diaphragm 141 and the second voice coil loudspeaker voice coil 152 is located in the magnetic gap that the second magnet 162 and the second magnetic conductive part 172 formed, and be fixedly connected with the second vibrating diaphragm 142, the structure realizing sound-producing device 10 is simple, firm, and is convenient to the assembling of each parts in sound-producing device 10.
Each technical characteristic of the above embodiment can combine arbitrarily, for making description succinct, the all possible combination of each technical characteristic in above-described embodiment is not all described, but, as long as the combination of these technical characteristics does not exist contradiction, be all considered to be the scope that this specification is recorded.
The above embodiment only have expressed several execution mode of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to utility model patent scope.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection range of the present utility model.Therefore, the protection range of the utility model patent should be as the criterion with claims.
Claims (10)
1. a sound-producing device, is characterized in that, comprising: upper cover, support, lower cover, the first vibrating diaphragm, the second vibrating diaphragm, the first voice coil loudspeaker voice coil, the second voice coil loudspeaker voice coil, the first magnet, the second magnet, the first magnetic conductive part and the second magnetic conductive part;
Described support has the first installed surface and second installed surface opposing with described first installed surface, described upper cover and described lower cover cover at described first installed surface and described second installed surface respectively, described first installed surface and described second installed surface are respectively equipped with first step and second step, and the outer peripheral edges of described first vibrating diaphragm and the outer peripheral edges of described second vibrating diaphragm are individually fixed in described first step and described second step;
Described first magnet and described first magnetic conductive part are located at described first installed surface, and one end of described first voice coil loudspeaker voice coil is located in the magnetic gap of described first magnet and described first magnetic conductive part formation, and the other end is fixedly connected with described first vibrating diaphragm;
Described second magnet and described second magnetic conductive part are located at described second installed surface, and one end of described second voice coil loudspeaker voice coil is located in the magnetic gap of described second magnet and described second magnetic conductive part formation, and the other end is fixedly connected with described second vibrating diaphragm.
2. sound-producing device according to claim 1, it is characterized in that, the middle part of described second installed surface is formed with depression, described second magnet and described second magnetic conductive part are located in described depression, described second magnet and described second magnetic conductive part are placed up and down, and and leave space between the inwall of described depression, one end of described second voice coil loudspeaker voice coil to be located in described space and around the inwall of described depression.
3. sound-producing device according to claim 2, it is characterized in that, described first installed surface has been recessed to form cannelure around described, described first magnet and described first magnetic conductive part setting up and down in described cannelure, and and leave space between the inwall of described cannelure, one end of described first voice coil loudspeaker voice coil to be located in described space and around described cannelure.
4. sound-producing device according to claim 3, it is characterized in that, described support comprises support arm and is located at the inner support in described support arm, the part of described second installed surface between described depression and described support arm forms described second step, described first installed surface forms described first step in described ring slot outside, and the outer peripheral edges of described upper cover and the outer peripheral edges of described lower cover abut with the madial wall of described support arm respectively.
5. sound-producing device according to claim 4, is characterized in that, also comprises pcb board, and described pcb board is located on described support arm, and arranges around described lower cover; Described first voice coil loudspeaker voice coil and described second voice coil loudspeaker voice coil are electrically connected with described pcb board by wire.
6. the sound-producing device according to claim 1-4 any one, it is characterized in that, outer peripheral edges around described first vibrating diaphragm are connected with the first ring portion, outer peripheral edges around described second vibrating diaphragm are connected with the second ring portion, and described first ring portion and described second ring portion are individually fixed in described first step and described second step.
7. sound-producing device according to claim 4, is characterized in that, the middle part of described upper cover offers the first sender, and the middle part of described inner support offers through hole, and the second sender is offered at the middle part of described lower cover.
8. sound-producing device according to claim 1, is characterized in that, described first magnet and described first magnetic conductive part are the identical ring-shaped in aperture, and described second magnet and described second magnetic conductive part are the identical ring-shaped in aperture.
9. sound-producing device according to claim 4, is characterized in that, described support arm and described inner support are formed in one structure.
10. sound-producing device according to claim 1, is characterized in that, described first magnetic conductive part and described second magnetic conductive part are iron plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520669415.8U CN205051866U (en) | 2015-08-31 | 2015-08-31 | Sounding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520669415.8U CN205051866U (en) | 2015-08-31 | 2015-08-31 | Sounding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205051866U true CN205051866U (en) | 2016-02-24 |
Family
ID=55345404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520669415.8U Expired - Fee Related CN205051866U (en) | 2015-08-31 | 2015-08-31 | Sounding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205051866U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109511061A (en) * | 2018-12-27 | 2019-03-22 | 歌尔股份有限公司 | Mini-sound device and electronic product |
| WO2020020067A1 (en) * | 2018-07-26 | 2020-01-30 | 维沃移动通信有限公司 | Sounding structure and terminal |
| CN111083617A (en) * | 2019-12-20 | 2020-04-28 | 歌尔股份有限公司 | Sound production device and electronic equipment |
| CN111641906A (en) * | 2020-06-24 | 2020-09-08 | 瑞声科技(新加坡)有限公司 | Sound production device |
| WO2020181891A1 (en) * | 2019-03-14 | 2020-09-17 | 歌尔股份有限公司 | Sound production apparatus and electronic device |
| WO2021174570A1 (en) * | 2020-03-05 | 2021-09-10 | 瑞声声学科技(深圳)有限公司 | Loudspeaker box |
| WO2024164657A1 (en) * | 2023-02-10 | 2024-08-15 | 深圳市大十未来科技有限公司 | Acoustic output device, earphone, and super-linear multi-magnetic dual-diaphragm speaker |
-
2015
- 2015-08-31 CN CN201520669415.8U patent/CN205051866U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020020067A1 (en) * | 2018-07-26 | 2020-01-30 | 维沃移动通信有限公司 | Sounding structure and terminal |
| US11490207B2 (en) * | 2018-07-26 | 2022-11-01 | Vivo Mobile Communication Co., Ltd. | Sound emitting structure and terminal |
| CN109511061A (en) * | 2018-12-27 | 2019-03-22 | 歌尔股份有限公司 | Mini-sound device and electronic product |
| CN109511061B (en) * | 2018-12-27 | 2024-04-05 | 歌尔股份有限公司 | Miniature sound generating device and electronic product |
| WO2020181891A1 (en) * | 2019-03-14 | 2020-09-17 | 歌尔股份有限公司 | Sound production apparatus and electronic device |
| CN111083617A (en) * | 2019-12-20 | 2020-04-28 | 歌尔股份有限公司 | Sound production device and electronic equipment |
| WO2021174570A1 (en) * | 2020-03-05 | 2021-09-10 | 瑞声声学科技(深圳)有限公司 | Loudspeaker box |
| CN111641906A (en) * | 2020-06-24 | 2020-09-08 | 瑞声科技(新加坡)有限公司 | Sound production device |
| CN111641906B (en) * | 2020-06-24 | 2021-07-09 | 瑞声科技(新加坡)有限公司 | Sound production device |
| WO2024164657A1 (en) * | 2023-02-10 | 2024-08-15 | 深圳市大十未来科技有限公司 | Acoustic output device, earphone, and super-linear multi-magnetic dual-diaphragm speaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 35th floor, block a, Tanglang City, 3333 Liuxian Avenue, Nanshan District, Shenzhen, Guangdong 518000 Patentee after: Wanmo acoustics Co.,Ltd. Address before: 35th floor, block a, Tanglang City, 3333 Liuxian Avenue, Nanshan District, Shenzhen, Guangdong 518000 Patentee before: 1MORE Inc. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP03 | Change of name, title or address |
Address after: 35th floor, block a, Tanglang City, 3333 Liuxian Avenue, Nanshan District, Shenzhen, Guangdong 518000 Patentee after: 1MORE Inc. Address before: Room 201, Building A, No. 1 Qianwan Road, Qianhai Shenzhen-Hong Kong Cooperation Zone, Shenzhen, Guangdong 518000:Shenzhen City, Nanshan Taoyuan street, Tian Lao industrial area A Tian Lao building 1403 518000 Room 201, building a, No.1 Qianwan 1st Road, Qianhai Shenzhen Hong Kong cooperation zone, Shenzhen City, Guangdong Province Patentee before: 1MORE Inc. |
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| CP03 | Change of name, title or address | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160224 |