CN104078731A - Cavity filter - Google Patents
Cavity filter Download PDFInfo
- Publication number
- CN104078731A CN104078731A CN201310109952.2A CN201310109952A CN104078731A CN 104078731 A CN104078731 A CN 104078731A CN 201310109952 A CN201310109952 A CN 201310109952A CN 104078731 A CN104078731 A CN 104078731A
- Authority
- CN
- China
- Prior art keywords
- circuit plate
- resonant
- ground floor
- cavity filter
- coupling
- 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.)
- Granted
Links
- 230000008878 coupling Effects 0.000 claims description 79
- 238000010168 coupling process Methods 0.000 claims description 79
- 238000005859 coupling reaction Methods 0.000 claims description 79
- 230000001939 inductive effect Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 208000002925 dental caries Diseases 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004512 die casting Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 230000003534 oscillatory effect Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Control Of Motors That Do Not Use Commutators (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
A cavity filter comprises a first layer grounding circuit board, a middle layer circuit board and a second layer grounding circuit board. The first layer grounding circuit board is provided with a plurality of resonant pillars. A containing groove is formed in the middle layer circuit board. Resonant cavities in one-to-one correspondence with the resonant pillars are formed in the second layer grounding circuit board. The middle layer circuit board is arranged on the first layer grounding circuit board, the resonant pillars penetrate through the containing groove respectively, and the second layer grounding circuit board is arranged on the middle layer circuit board. The resonant pillars extend into the resonant cavities to form a plurality of resonant units. The resonant units are coupled through the containing groove of the middle layer circuit board. The cavity filter is light in weight, convenient to assemble and capable of effectively lowering the cost of products.
Description
Technical field
The present invention relates to base station filter, relate in particular to a kind of cavity filter.
Background technology
Cavity filter is one of assembly common in mobile communication system.Traditional base station cavity filter generally includes cover plate and a plurality of cavity.In each cavity, be provided with a plurality of resonatrons.The function of each cavity is equivalent to a resonator, when filter is tuned to the suitable wavelength of received signal, the resonant circuit that institute's resonator forms can be expressed as the parallel oscillatory circuit that comprises inductive part and capacitive part, by adjusting inductive part or capacitive part, can adjust the resonance frequency of filter.
The cavity of traditional base station cavity filter and cover plate adopt the production technology of die casting (Die-Casting) to make conventionally.The cavity that adopts extrusion process to produce, bulky, Heavy Weight, is unfavorable for assembling and the carrying of product.Meanwhile, extrusion process need be equipped with special main equipment, develop special-purpose mould, thereby has improved the cost of product.
Summary of the invention
In view of this, need provide a kind of lightweight, cost is low, and holds easy-to-assemble cavity filter.
The cavity filter that the embodiment of the invention provides comprises ground floor earthed circuit plate, intermediate layer circuit board and second layer earthed circuit plate.Described ground floor earthed circuit plate is provided with a plurality of resonant columns, and described intermediate layer circuit board is provided with accepting groove, and described second layer earthed circuit plate is provided with and described resonant column resonant cavity one to one.Described intermediate layer circuit board is located on described ground floor earthed circuit plate, and described resonant column is respectively through described accepting groove, and described second layer earthed circuit plate is located on the circuit board of described intermediate layer.Described resonant column stretches into respectively described resonant cavity and forms a plurality of resonant elements, and the accepting groove by described intermediate layer circuit board between described resonant element is realized coupling.
Preferably, described cavity filter comprises coupling piece, and described coupling piece comprises body and be located at a pair of free end at the two ends of body, and described coupling piece is fixed on described ground floor earthed circuit plate and is located between two resonant columns.
Preferably, each free end of described coupling piece extends towards the accepting groove direction of described intermediate layer circuit board from described body, described body is fixed on described ground floor earthed circuit plate by nonconducting material, forms respectively the coupling of band line between described free end and adjacent resonant column.
Preferably, each free end of described coupling piece extends and is electrically connected with described ground floor earthed circuit plate towards the direction of described ground floor earthed circuit plate from described body, between described free end and adjacent resonant column, forms return circuit coupling.
Preferably, described cavity filter comprises input and output, and described input is realized and being of coupled connections by input coupling piece and described resonant column, and described output is realized coupling by output coupling piece and described resonant column.
Preferably, each resonant column is provided with the first tapped through hole, described ground floor earthed circuit plate is provided with and described resonant column location hole one to one, described resonant column is positioned respectively described location hole, and the first tapped through hole that debugging screw passes the corresponding location hole of described ground floor earthed circuit plate and stretches into corresponding resonant column from the bottom of described ground floor earthed circuit plate is to regulate the resonance frequency of described cavity filter.
Preferably, between two adjacent resonant columns of described ground floor earthed circuit plate, be provided with the second tapped through hole, the nut of coupling screw is fixed on the bottom of described ground floor earthed circuit plate, and described coupling screw is through described nut and stretch into described the second tapped through hole to regulate the coupling frequency of described cavity filter.
Cavity filter provided by the invention is by three layer circuit boards and be located at the resonant column on ground floor circuit board and be located at the assembling of resonant cavity on second layer circuit board and form, and described cavity filter has lightweight, ease of assembly, can effectively reduce the cost of product.
Accompanying drawing explanation
Fig. 1 is the three-dimensional assembly diagram of the cavity filter of the embodiment of the invention.
Fig. 2 is the bottom schematic view of the cavity filter of Fig. 1.
Fig. 3 is the exploded perspective view of the cavity filter of Fig. 1.
Fig. 4 is that in Fig. 3, intermediate layer circuit board group installs to the schematic diagram on ground floor earthed circuit plate.
Fig. 5 is along the generalized section of V-V direction in Fig. 1.
Fig. 6 is with the view of line coupling in the cavity filter of Fig. 1, wherein, the total length of coupling piece is less than λ/2.
Fig. 7 is with the view of line coupling in the cavity filter of Fig. 1, wherein, the total length of coupling piece is greater than λ/2.
Fig. 8 is the view of return circuit coupling in the cavity filter of Fig. 1, and wherein the total length of coupling piece is less than λ/2.
Fig. 9 is the view of return circuit coupling in the cavity filter of Fig. 1, and wherein the total length of coupling piece is greater than λ/2.
Main element symbol description
Cavity filter 100
Ground floor earthed circuit plate 10
Intermediate layer circuit board 20
Accepting groove 21
Second layer earthed circuit plate 30
Resonant cavity 31
Resonant column 40
The first tapped through hole 41
Coupling piece 50
Body 51
Free end 52
Input 60
Input coupling line 61
Output 70
Output coupling line 71
Debugging screw 80
Coupling screw 90
Nut 91
Resonant element 200
Following embodiment further illustrates the present invention in connection with above-mentioned accompanying drawing.
Embodiment
Referring to Fig. 1, Fig. 2 and Fig. 3, the cavity filter 100 providing in the embodiment of the invention comprises ground floor earthed circuit plate 10, intermediate layer circuit board 20 and second layer earthed circuit plate 30.Ground floor earthed circuit plate 10 is provided with a plurality of resonant columns 40, and intermediate layer circuit board 20 is provided with accepting groove 21, and second layer earthed circuit plate 30 is provided with and the resonant column 40 of ground floor earthed circuit plate 10 resonant cavity 31 one to one.Intermediate layer circuit board 20 is located on ground floor earthed circuit plate 10, resonant column 40 is respectively through accepting groove 21, second layer earthed circuit plate 30 is located on intermediate layer circuit board 20, and the resonant column 40 of ground floor earthed circuit plate 10 stretches into respectively in the resonant cavity 31 of second layer earthed circuit plate 30 to form a plurality of resonant elements 200.Accepting groove 21 by intermediate layer circuit board 20 between described resonant element 200 is realized coupling.
Cavity filter 100 provided by the invention is by three layer circuit boards and be located at the resonant column 40 on ground floor earthed circuit plate 10 and be located at 31 assemblings of resonant cavity on second layer earthed circuit plate 30 and form, described cavity filter 100 has lightweight, ease of assembly, can effectively reduce the cost of product.
Referring to Fig. 2, Fig. 3 and Fig. 5, ground floor earthed circuit plate 10 is provided with a plurality of and resonant column 40 location hole 11 one to one, and each resonant column 40 comprises the first tapped through hole 41.During installation, one end of described resonant column 40 is positioned respectively in the corresponding location hole 11 of described ground floor earthed circuit plate 10, and the other end stretches into respectively in the corresponding resonant cavity 31 of second layer earthed circuit plate 30.The first tapped through hole 41 of described resonant column 40 communicates with the location hole 11 of ground floor earthed circuit plate 10 respectively.Debugging screw 80 from the bottom of described ground floor earthed circuit plate 10 through corresponding location hole 11 and go deep into the interior precession of the first tapped through hole 41 of corresponding resonant column 40/the screw out resonance frequency that described the first tapped through hole 41 regulates described cavity filter 100.In present embodiment, resonant column 40 is positioned in the location hole of ground floor earthed circuit plate 10 by the mode of welding.In other embodiments, resonant column 40 also can be positioned in the location hole 11 of ground floor earthed circuit plate 10 by surperficial technology for applying.
In present embodiment, between every two resonant columns 40 of ground floor earthed circuit plate 10, be provided with the second tapped through hole 12, the nut 91 of coupling screw 90 is fixed on corresponding second tapped through hole 12 places, bottom of described ground floor earthed circuit plate 10, coupling screw 90 is through described nut 91 and stretch into described the second tapped through hole 12 precessions/screw out described the second tapped through hole 12 to regulate the coupling frequency of described cavity filter 100, as shown in Figures 2 and 3.The frequency difference that cavity filter 100 is caused by processing procedure can be compensated by the fine setting screw 90 that is coupled.
The debugging screw 80 of cavity filter 100 of the present invention regulates the frequency of cavity filter 100 from bottom to top from the bottom of cavity filter 100, debugging screw 80, directly by the internal diameter tapping of resonant column 40, can effectively reduce the cost of product.Meanwhile, the nut 91 of coupling screw 90 is fixed on the bottom of ground floor earthed circuit plate 10, can effectively shorten the distance between cavity filter 100 chambeies and chamber, thereby dwindle the size of cavity filter 100, has reduced volume.Debugging screw 80 is adjusting from bottom to top with the debugging direction of coupling screw 90, keeps same debugging direction, is convenient to the commissioning operation of described cavity filter 100.
The setting of the layout on ground floor earthed circuit plate 10 according to the resonant column 40 of cavity filter 100 of accepting groove 21 shapes of intermediate layer circuit board 20 and large I.When second layer earthed circuit plate 30 is installed on intermediate layer circuit board 20, accepting groove 21 between every two resonant cavitys 31 just forms an air duct, when cavity filter 100 normal work, between every two resonant elements 200, by described accepting groove 21, realize coupling, can effectively reduce loss.In present embodiment, the size of variable accepting groove 21 changes the size of coupling amount.
As a further improvement on the present invention, cavity filter 100 comprises coupling piece 50, and described coupling piece 50 is fixed on ground floor earthed circuit plate 10 and is located between two resonant columns 40.When intermediate layer circuit board 20 is installed on ground floor earthed circuit plate 10, described coupling piece 50 is contained in the accepting groove 21 of described intermediate layer circuit board 20.Being provided for of coupling piece 50 makes to produce inductance coupling high or capacitive coupling between corresponding two resonant columns 40.
In present embodiment, coupling piece 50 comprises body 51 and is located at respectively a pair of free end 52 at the two ends of body 51.Each free end 52 of coupling piece 50 extends from described body 51 and towards accepting groove 21 directions of intermediate layer circuit board 20, body 51 is fixed on described ground floor earthed circuit plate 10 by nonconducting material, forms the coupling of band line between described free end 52 and adjacent resonant column 40.If the total length of coupling piece 50 is less than λ/2, be capacitive couplings (negative coupling), as shown in Figure 6.If the total length of coupling piece 50 is greater than λ/2, be inductive couplings (being just coupled), as shown in Figure 7.
In other embodiments, each free end 52 of coupling piece 50 extends and is electrically connected with ground floor earthed circuit plate 10 towards the direction of ground floor earthed circuit plate 10.Now, between the free end 52 of coupling piece 50 and adjacent resonant column 40, form return circuit coupling to strengthen coupling.If the total length of coupling piece 50 is less than λ/2, be inductive couplings (being just coupled), as shown in Figure 8.If the total length of coupling piece 50 is greater than λ/2, be capacitive couplings (negative coupling), as shown in Figure 9.
The visual cavity filter 100 of size of the quantity of coupling piece 50, position and size actual frequency needs and arrange.
Cavity filter 100 provided by the invention comprises input 60 and the output 70 of being located on ground floor earthed circuit plate 10.Described input 60 is realized input coupling by input coupling line 61 and resonant column 40, and output 70 is realized output coupling by output coupling line 71 and resonant column 40.
In sum, cavity filter 100 of the present invention forms by three layer circuit boards and by the resonant cavity 31 of being located at the resonant column 40 on ground floor earthed circuit plate 10 and be located on second layer earthed circuit plate 30, and lightweight, volume is little, convenient carrying, can effectively reduce the cost.The coupling framework of described cavity filter 100 is by making to form air duct to form coupling path between two cavitys in 20 groovings of intermediate layer circuit board, can effectively reducing loss.Meanwhile, the debugging screw 80 of described cavity filter 100 and coupling screw 90 all regulate from bottom to top from the bottom of cavity filter 100, not only can dwindle the size of cavity filter 100, can also greatly facilitate debugging operations.
Claims (7)
1. a cavity filter, comprise ground floor earthed circuit plate, intermediate layer circuit board and second layer earthed circuit plate, described ground floor earthed circuit plate is provided with a plurality of resonant columns, described intermediate layer circuit board is provided with accepting groove, described second layer earthed circuit plate is provided with and described resonant column resonant cavity one to one, described intermediate layer circuit board is located on described ground floor earthed circuit plate, described resonant column is respectively through described accepting groove, described second layer earthed circuit plate is located on the circuit board of described intermediate layer, described resonant column stretches into respectively described resonant cavity and forms a plurality of resonant elements, accepting groove by described intermediate layer circuit board between described resonant element is realized coupling.
2. cavity filter as claimed in claim 1, it is characterized in that, described cavity filter comprises coupling piece, and described coupling piece comprises body and be located at a pair of free end at the two ends of body, and described coupling piece is fixed on described ground floor earthed circuit plate and is located between two resonant columns.
3. cavity filter as claimed in claim 2, it is characterized in that, each free end of described coupling piece extends towards the accepting groove direction of described intermediate layer circuit board from described body, described body is fixed on described ground floor earthed circuit plate by nonconducting material, forms respectively the coupling of band line between described free end and adjacent resonant column.
4. cavity filter as claimed in claim 2, it is characterized in that, each free end of described coupling piece extends and is electrically connected with described ground floor earthed circuit plate towards the direction of described ground floor earthed circuit plate from described body, between described free end and adjacent resonant column, forms return circuit coupling.
5. cavity filter as claimed in claim 1, it is characterized in that, described cavity filter comprises input and output, and described input is realized and being of coupled connections by input coupling piece and described resonant column, and described output is realized coupling by output coupling piece and described resonant column.
6. cavity filter as claimed in claim 1, it is characterized in that, each resonant column is provided with the first tapped through hole, described ground floor earthed circuit plate is provided with and described resonant column location hole one to one, described resonant column is positioned respectively described location hole, and the first tapped through hole that debugging screw passes the corresponding location hole of described ground floor earthed circuit plate and stretches into corresponding resonant column from the bottom of described ground floor earthed circuit plate is to regulate the resonance frequency of described cavity filter.
7. cavity filter as claimed in claim 1, it is characterized in that, between two adjacent resonant columns of described ground floor earthed circuit plate, be provided with the second tapped through hole, the nut of coupling screw is fixed on the bottom of described ground floor earthed circuit plate, and described coupling screw is through described nut and stretch into described the second tapped through hole to regulate the coupling frequency of described cavity filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310109952.2A CN104078731B (en) | 2013-03-29 | 2013-03-29 | Cavity filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310109952.2A CN104078731B (en) | 2013-03-29 | 2013-03-29 | Cavity filter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104078731A true CN104078731A (en) | 2014-10-01 |
| CN104078731B CN104078731B (en) | 2016-09-07 |
Family
ID=51599861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310109952.2A Expired - Fee Related CN104078731B (en) | 2013-03-29 | 2013-03-29 | Cavity filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104078731B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107359394A (en) * | 2017-08-15 | 2017-11-17 | 罗森伯格技术（昆山）有限公司 | Adjustable electromagnetic hybrid coupled wave filter |
| CN108123194A (en) * | 2016-11-30 | 2018-06-05 | 凯镭思通讯设备（上海）有限公司 | A kind of thin-walled stretches cavity body filter and production method |
| CN110867634A (en) * | 2018-08-28 | 2020-03-06 | 罗森伯格技术（昆山）有限公司 | Electromagnetic hybrid coupling filter |
| WO2021081769A1 (en) * | 2019-10-29 | 2021-05-06 | 华为技术有限公司 | Cavity filter and electromagnetic wave device |
| CN114024112A (en) * | 2021-12-08 | 2022-02-08 | 江苏贝孚德通讯科技股份有限公司 | Direct-discharge cavity capacitive coupling structure and coupling method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2276276A (en) * | 1993-03-17 | 1994-09-21 | Marconi Gec Ltd | Coaxial resonator and multi-layer circuit board arrangement for a band stop filter |
| CN1231526A (en) * | 1998-04-06 | 1999-10-13 | 阿尔卑斯电气株式会社 | Dielectric resonator and the dielectric filter using same |
| US7777598B2 (en) * | 2008-04-14 | 2010-08-17 | Radio Frequency Systems, Inc. | Dielectric combine cavity filter having ceramic resonator rods suspended by polymer wedge mounting structures |
| CN102025012A (en) * | 2010-12-08 | 2011-04-20 | 深圳市华思科技股份有限公司 | Multi-frequency combiner |
| US20120169435A1 (en) * | 2011-01-04 | 2012-07-05 | Noriaki Kaneda | Microwave and millimeter-wave compact tunable cavity filter |
-
2013
- 2013-03-29 CN CN201310109952.2A patent/CN104078731B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2276276A (en) * | 1993-03-17 | 1994-09-21 | Marconi Gec Ltd | Coaxial resonator and multi-layer circuit board arrangement for a band stop filter |
| CN1231526A (en) * | 1998-04-06 | 1999-10-13 | 阿尔卑斯电气株式会社 | Dielectric resonator and the dielectric filter using same |
| US7777598B2 (en) * | 2008-04-14 | 2010-08-17 | Radio Frequency Systems, Inc. | Dielectric combine cavity filter having ceramic resonator rods suspended by polymer wedge mounting structures |
| CN102025012A (en) * | 2010-12-08 | 2011-04-20 | 深圳市华思科技股份有限公司 | Multi-frequency combiner |
| US20120169435A1 (en) * | 2011-01-04 | 2012-07-05 | Noriaki Kaneda | Microwave and millimeter-wave compact tunable cavity filter |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108123194A (en) * | 2016-11-30 | 2018-06-05 | 凯镭思通讯设备（上海）有限公司 | A kind of thin-walled stretches cavity body filter and production method |
| WO2018098940A1 (en) * | 2016-11-30 | 2018-06-07 | 凯镭思通讯设备（上海）有限公司 | Thin-wall stretching cavity filter and manufacturing method thereof |
| CN107359394A (en) * | 2017-08-15 | 2017-11-17 | 罗森伯格技术（昆山）有限公司 | Adjustable electromagnetic hybrid coupled wave filter |
| CN107359394B (en) * | 2017-08-15 | 2020-09-11 | 罗森伯格技术有限公司 | Adjustable electromagnetic hybrid coupling filter |
| CN110867634A (en) * | 2018-08-28 | 2020-03-06 | 罗森伯格技术（昆山）有限公司 | Electromagnetic hybrid coupling filter |
| CN110867634B (en) * | 2018-08-28 | 2022-06-24 | 罗森伯格技术有限公司 | Electromagnetic hybrid coupling filter |
| WO2021081769A1 (en) * | 2019-10-29 | 2021-05-06 | 华为技术有限公司 | Cavity filter and electromagnetic wave device |
| CN114024112A (en) * | 2021-12-08 | 2022-02-08 | 江苏贝孚德通讯科技股份有限公司 | Direct-discharge cavity capacitive coupling structure and coupling method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104078731B (en) | 2016-09-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104078731A (en) | Cavity filter | |
| TWI505541B (en) | Cavity filter | |
| CN202888383U (en) | Four-stage strip line cavity directional coupler | |
| CN101276952B (en) | Mixed coupling coaxial cavity filter capable of controlling electromagnetism | |
| CN201181730Y (en) | Controllable electromagnetic mixed coupling coaxial cavity wave filter | |
| CN102324602A (en) | Inductance coupling device for TE01delta mode dielectric resonator | |
| CN103682535B (en) | Coaxial cavity dual-band filter based on Stepped Impedance structure | |
| CN102544650A (en) | Coaxial resonant cavity mixed coupling method | |
| CN202308240U (en) | Small cavity filter suitable for low-pressure environment | |
| CN202275899U (en) | Coupling adjusting structure of medium filter | |
| CN202210676U (en) | Multi-port communication radio-frequency lightning protection device | |
| CN101800347A (en) | Cavity radio frequency device and fly bar thereof for capacitive cross coupling | |
| CN202977664U (en) | Double-layer cavity radio frequency device | |
| CN202178356U (en) | Band-stop filter with tuning apparatus | |
| CN201256175Y (en) | Dual capacitor loading band-pass filter | |
| CN202905948U (en) | Composite left/right hand transmission line device and antenna thereof | |
| CN202839917U (en) | Low-frequency wide-band high-power band pass filter | |
| CN103985946B (en) | A kind of miniature parallel resonator | |
| CN104900972A (en) | Novel coupler | |
| CN202839912U (en) | Filter coupling structure | |
| CN103682538A (en) | Modified half-mode substrate integrated waveguide inductive band filter | |
| CN112768855A (en) | High-performance miniaturized base station antenna built-in cavity duplexer | |
| CN207134453U (en) | A kind of built-in combiner of intelligent electrical tilt antenna | |
| CN204538162U (en) | The coupled structure of cavity body filter, cavity body filter, duplexer and radio frequency remote equipment | |
| CN202564513U (en) | Cavity filter and power amplifier module |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180226 Address after: The Guangxi Zhuang Autonomous Region Nanning hi tech Zone headquarters Road No. 18, China ASEAN enterprise headquarters base three 5# workshop Patentee after: NANNING FUGUI PRECISION INDUSTRIAL CO., LTD. Address before: 518109 Guangdong city of Shenzhen province Baoan District Longhua Town Industrial Zone tabulaeformis tenth East Ring Road No. 2 two Co-patentee before: Hon Hai Precision Industry Co., Ltd. Patentee before: Hongfujin Precise Industry (Shenzhen) Co., Ltd. |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20181227 Address after: Room 1, 1903, No. 3, Marriott City, 298 Yinhuan Road, Xihu District, Nanchang City, Jiangxi Province Patentee after: Jiangxi golden Xuan Enterprise Consulting Service Co., Ltd. Address before: 530007 the Guangxi Zhuang Autonomous Region Nanning hi tech Zone headquarters road 18, China ASEAN enterprise headquarters three phase 5 factory building Patentee before: NANNING FUGUI PRECISION INDUSTRIAL CO., LTD. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190430 Address after: 051130 Tianshan International Manufacturing Base, Nanbailou Village, Suyang Township, Yuanshi County, Shijiazhuang City, Hebei Province Patentee after: Shijiazhuang Dongchang Machinery Manufacturing Co., Ltd. Address before: Room 1, 1903, No. 3, Marriott City, 298 Yinhuan Road, Xihu District, Nanchang City, Jiangxi Province Patentee before: Jiangxi golden Xuan Enterprise Consulting Service Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160907 Termination date: 20200329 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |