CN205790400U - Beam-forming network - Google Patents
Beam-forming network Download PDFInfo
- Publication number
- CN205790400U CN205790400U CN201620466237.3U CN201620466237U CN205790400U CN 205790400 U CN205790400 U CN 205790400U CN 201620466237 U CN201620466237 U CN 201620466237U CN 205790400 U CN205790400 U CN 205790400U
- Authority
- CN
- China
- Prior art keywords
- network
- phase modulation
- signal
- aerial array
- bonder
- 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
Landscapes
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
This utility model discloses a kind of beam-forming network, including signal shaping network, phase modulation network and aerial array, described signal shaping network includes several power splitter, input signal is divided into multiple signals output to described phase modulation network by it, described phase modulation network includes several phase shifter and several bonder, described phase modulation network will export to aerial array corresponding antenna oscillator row after multiple signals phase modulation, bonder multiplexing oscillator row arrange with the private oscillator of power splitter, the power between each oscillator of flexible allocation and phase place.This utility model has optimum level face beam shaping, controls beam position, reduces beam-scanning angles, optimizes the advantages such as secondary lobe.
Description
Technical field
This utility model relates to communication technical field, especially relates to a kind of (many for controlling dualbeam
Wave beam) antenna beam point to beam-forming network.
Background technology
Communication refers to from any, the signal with information is passed to another process put.Move logical in the modern times
In letter field, base station is requisite, mainly provides wireless coverage, it is achieved wireline communication network with
Transmission of wireless signals between wireless terminal.Constantly improving and developing along with mobile communication technology,
In variation, the modern communications applied environment complicated, along with surge, the network of mobile subscriber's quantity
The densification of covering, wideization of overlay area, the extension of network capacity, cause capacity and covering
The orientation in region is all dynamic.When some low capacity regions, it is only necessary to a wave beam just can meet
Application, and need to become a beam splitting two wave beams in some high capacity regions, the most multiple
Wave beam, and require that beam position can be varied as desired in.
In prior art, in China Patent No. ZL 201310716957.1, disclose a kind of low sidelobe
Beamforming Method and two-beam antenna structure, it is by by 2 row, 3 row or 4 row dualbeam submatrixs
Row (module) are combined with the beam-forming network (BFN) improved, by forming different moulds
Block forms complete array.The wave beam upper position in the horizontal direction that this kind of two-beam antenna structure produces
Angle is relatively big, is unfavorable for that cell signal covers and capacity, other regions are easily caused impact.And for example China
In patent No. ZL 200610122104.5, disclose a kind of Wave beam forming net with variable beam width
Network, comprising: aerial array, arranges including multiple bays；Butler matrix network, in order to produce
The raw wave beam being differently directed, it is corresponding that its output signal is coupled in described aerial array each of correspondence
Bay row on；Hybrid network, synchronization accepts any one road input of two paths of signals,
There is provided signal output to Butler matrix network in it after phase modulation, input to butler matrix in order to change
The signal of network, and then correspondingly change feed amplitude and the phase place of the signal of aerial array.This kind of ripple
Bundle forms network, and the bay recycling rate of waterused in arranging antenna element is low, causes antenna size inclined
Greatly, being unfavorable for installing, cause the wasting of resources simultaneously, producing cost improves accordingly.
Utility model content
The purpose of this utility model is to overcome the defect of prior art, it is provided that one can reduce multi-beam
The beam-forming network of antenna beam scanning angle.
For achieving the above object, the utility model proposes following technical scheme:
A kind of beam-forming network, including signal shaping network, phase modulation network and aerial array, described
Any one road input signal is processed into multiple signals output extremely described phase modulation network by signal shaping network,
Described aerial array includes that several antenna oscillator arranges, and described phase modulation network will export after multiple signals phase modulation
Corresponding antenna oscillator row to aerial array.
Preferably, described signal shaping network includes several power splitter.
Preferably, described power splitter is in two power splitters, three power splitters, Wilkinson power divider
A kind of.
Preferably, described phase modulation network includes several bonder and several phase shifter.
Preferably, described phase modulation network includes several bonder.
Preferably, the phase change amount of described phase shifter is in the range of negative 180 degree to positive 180 degree.
Preferably, described bonder is 90 degree of 3db directional couplers.
Preferably, described bonder output signal is directly connected to described aerial array.
Preferably, described bonder is output as a road signal and is connected with described aerial array.
The beneficial effects of the utility model are: utilize bonder multiplexing oscillator to tie with the private oscillator of power splitter
Close, the power between each oscillator of flexible allocation and phase relation, reduce antenna beam scanning azimuth,
Optimize the comprehensive coverage cell of beam shaping, beneficially base station, reduce adjacent area interference, and oscillator can be reduced
Consumption, beneficially antenna miniaturization, lighting.
Accompanying drawing explanation
Fig. 1 is embodiment one schematic diagram of the present utility model；
Fig. 2 is embodiment two schematic diagram of the present utility model；
Fig. 3 is embodiment three schematic diagram of the present utility model；
Fig. 4 be by beam-forming network of the present utility model after wave cover effect contrast figure.
Reference: 1, signal shaping network, 2, phase modulation network, 3, aerial array, 11, first
Three power splitters, the 12, the 2nd 3 power splitter, the 13, the 1st power splitter, the 14, the 2nd 2 power splitter,
15, the first Wilkinson power divider, the 16, second Wilkinson power divider, the 21, first phase shifter,
22, the second phase shifter, the 23, first bonder, the 24, the 3rd phase shifter, the 25, the 4th phase shifter,
26, the second bonder, 31, first antenna oscillator row, 32, second antenna oscillator row, the 33, the 3rd
Antenna oscillator arranges, the 34, the 4th antenna oscillator row, the 35, the 5th antenna oscillator row, the 36, the 6th antenna
Oscillator arranges.
Detailed description of the invention
Below in conjunction with accompanying drawing of the present utility model, the technical scheme of this utility model embodiment is carried out
Clear, complete description.
Shown in Fig. 1, Fig. 2 and Fig. 3, the beam-forming network disclosed in this utility model, especially
It is a kind of 2 × N for two-beam antenna (N=3,4) beam-forming network, this Wave beam forming net
Network, including signal shaping network 1, can realize the phase modulation network 2 of phase modulation and by multiple antenna oscillators
The aerial array 3 of row composition.Signal shaping network 1 by any one road input signal process after export to
Phase modulation network 2, the signal after phase modulation network 2 will process carries out phase modulation process, changes the phase place of signal,
Signal after phase modulation exports to aerial array 3 the most at last.
Described signal shaping network 1 include several power splitter, described power splitter be selected from two power splitters,
Three power splitters, Wilkinson power divider one of which, described power splitter output work proportion by subtraction is 1:n, its
The value of middle n can be 1, for etc. merit divide state；It can also be other any arithmetic number.
Described phase modulation network 2 includes several phase shifter and several bonder or all includes several coupling
Device, the effect of described phase shifter is by one angle of phase shift of signal, including 90-degree phase shifter,
45 degree of phase shifters etc., described bonder includes being 90 degree of 3db directional couplers, 180 degree of 3db orientations
Bonder, preferably 90 degree 3db directional couplers.90 degree of 3db directional coupler Ke Jiang mono-road radio frequencies
Signal is distributed into that amplitude is equal, the signal of phase contrast 90 degree, it is also possible to by two-way phase contrast 90 degree
Radiofrequency signal is combined into a road signal.
Described aerial array 3 includes that several antenna oscillator arranges, and the radiofrequency signal after phase modulation is shaken through antenna
The backward external radiation of son forms overlay area.Aerial array 3 main purpose makes element antenna directional diagram
Direction needed for main lobe sensing, and make its zero sunken alignment interference radiating way, improve array output as much as possible
The intensity of desired signal, reduces the intensity of interference signal simultaneously, thus the letter improving array output is dried
Ratio.Input signal can effectively change beam position by after beam-forming network.
Described signal shaping network 1, phase modulation network 2, each ingredient of aerial array 3 are different, can shape
Becoming different beam-forming networks, existing detailed description is as follows:
Embodiment one:
As it is shown in figure 1, described beam-forming network by signal shaping network 1, phase modulation network 2 and
Aerial array 3 forms, and described signal shaping network 1 is made up of two three power splitters, and the one or three merit is divided
Device the 11 and the 2nd 3 power splitter 12, described phase modulation network 2 includes the first phase shifter 21, the second phase shift
Device 22, the first bonder 23, the 3rd phase shifter 24, the 4th phase shifter 25, described aerial array 3
Including first antenna oscillator row 31, the second antenna oscillator row 32, third antenna oscillator row 33, the 4th
Antenna oscillator row 34, the 5th antenna oscillator row 35, the 6th antenna oscillator row 36.
Described signal shaping network 1 has two inputs a, b, and 6 outfans 11b, 11c,
11d, 12b, 12c, 12d.Described 6 outfan 1b, 11c, 11d, 12b, 12c, 12d connect
To 6 input port 21a of described phase modulation network 2,22a, 23a, 23b, 24a, 25a.Described tune
Phase network 2 has 6 delivery outlets 21b, 22b, 23d, 23c, 24b, 25b, is connected respectively to sky
Corresponding first antenna oscillator row 31, the second antenna oscillator row 32, third antenna oscillator in linear array 3
Row 33, the 4th antenna oscillator row 34, the 5th antenna oscillator row 35, the 6th antenna oscillator row 36.
Signal inputs from the input port a, b of signal shaping network 1 respectively, and port a controls wave beam 1,
Port b controls wave beam 2, and two paths of signals is respectively connected to the one or three power splitter the 11 and the 2nd 3 power splitter 12.
Signal is divided into three road signals the most afterwards from the one or three power splitter 11, and wherein, delivery outlet 11b is out
Signal exports to the input port 22a of the second phase shifter 22 in phase modulation network 2, and signal is through the second phase shift
After device 22 converts phase place, export the second oscillator row 32 to aerial array 3；Delivery outlet 11c is out
Signal output to the input 23b of the first bonder 23 in phase modulation network 2；Delivery outlet 11d is out
Signal output to the 24a mouth of phase modulation network 2 the 3rd phase shifter 24, signal converts phase through the phase shifter
After Wei, export the 5th antenna oscillator row 35 to aerial array 3.Signal is from the two or three power splitter 12
Being divided into three road signals the most afterwards, wherein, delivery outlet 12b signal out exports to phase modulation network 2
In the 21a mouth of the first phase shifter 21, signal is after phase shifter conversion phase place, and output is to aerial array
First antenna oscillator row 31 in 3；Delivery outlet 12c signal output out is in phase modulation network 2 the
The input 23a of one bonder 23；Delivery outlet 12d signal output out is in phase modulation network 2 the
The 25a mouth of four phase shifters 25, signal, after phase shifter conversion phase place, exports to aerial array 3
The 6th antenna oscillator row 36.
The first bonder 23 in described phase modulation network 2 is 90 degree of 3db directional couplers, and it is by one
The signal that road signal is distributed into constant amplitude, phase contrast is 90 degree.By 12c mouth in signal shaping network 1 and
The signal that the signal of 11c mouth output becomes constant amplitude after converting, phase contrast is 90 degree, as it can be seen, defeated
The third antenna oscillator row 33 gone out to aerial array 3, the 4th antenna oscillator row 34.
Phase shifter in phase modulation network 2 is variable, Phase delay knots modification scope be-180 degree extremely
+ 180 degree.
Embodiment two:
As in figure 2 it is shown, described beam-forming network by signal shaping network 1, phase modulation network 2 and
Aerial array 3 forms, and described signal shaping network 1 is by the one or two power splitter the 13 and the 2nd 2 power splitter
14 compositions, described phase modulation network 2 is by the second bonder 26 and two (the first phase shifters 21 phase shifter
Form with the second phase shifter 22), described aerial array 3 includes first antenna oscillator row 31, second day
Linear oscillator row 32, third antenna oscillator row 33, the 4th antenna oscillator row composition 34.
Described signal shaping network 1 has two input a, b and four outfans 13b, 13c, 14b,
14c, signal is inputted by input a, b, by four of four outfan outputs to phase modulation network 2
Input 21a, 26a, 26b, 22a, by its four outfan 21b after phase modulation network 2 phase modulation,
First antenna oscillator row in the corresponding antenna oscillator row that 26d, 26c, 22b export to aerial array 3
31, the second antenna oscillator row 32, third antenna oscillator row 33, the 4th antenna oscillator row 34.
Signal inputs from the input a, b of signal shaping network 1 respectively, the signal warp of port a input
It is divided into two paths of signals after crossing the one or two power splitter 13, exports to tune from the signal of delivery outlet 13b output
The input port 21a of the first phase shifter 21 in phase network 2, after phse conversion, signal exports extremely
The first antenna oscillator row 31 being connected with the first phase shifter 21 in aerial array 3；From delivery outlet 13c
The signal of output exports the input 26a of the second bonder 26 to phase modulation network 2.Port b is defeated
The signal entered is divided into two paths of signals after the two or two power splitter 14, from the letter of delivery outlet 14c output
Number output is to the second phase shifter 22 in phase modulation network 2, and after phse conversion, signal exports to sky
The 4th antenna oscillator row 34 being connected with the second phase shifter 22 in linear array 3；Export from delivery outlet 14a
Signal output to the input 26b of the second bonder 26 in phase modulation network 2.
The second bonder 26 in described phase modulation network 2 is 90 degree of 3db directional couplers, has four
Port, the signal that a road signal can be distributed into constant amplitude by it, phase contrast is 90 degree.By signal processing
The letter that the signal that in network 1,13c mouth and 14b mouth export becomes constant amplitude after converting, phase contrast is 90 degree
Number, shaken by the corresponding third antenna in delivery outlet 22d, 22c output to aerial array 3
Sub-row 33, the 4th antenna oscillator row 34.
In embodiment two and embodiment three, 3db directional coupler two outfan arranges with antenna oscillator respectively
Connecting, the signal after changing phase place is directly output in antenna oscillator row.One road signal passes through a mouth
Input to signal shaping network 1, the power splitter effect in signal shaping network 1, be divided into many
Road signal exports to phase modulation network 2, wherein has two paths of signals to export the coupling to phase modulation network 2 respectively
Two inputs of clutch.After this two-way input signal passes through bonder, beamformer output 1.In like manner,
After another road signal is by b mouth input to beam-forming network, produce wave beam 2, wave beam 1 and wave beam 2
Multiplex antenna oscillator, can reduce the consumption of oscillator, beneficially antenna miniaturization, lighting.
Embodiment three:
As it is shown on figure 3, described beam-forming network by signal shaping network 1, phase modulation network 2 and
Aerial array 3 forms, and described signal shaping network 1 includes two Wilkinson power dividers, the first prestige
Er Jinsen power splitter 15 and the second Wilkinson power divider 16.Described phase modulation network 2 includes two couplings
Clutch, the first bonder 23 and the second bonder 26.Described aerial array 3 includes that three antennas shake
Son row, first antenna oscillator row 31, the second antenna oscillator row 32 and third antenna oscillator row 33.
Signal inputs from the input a, b of signal shaping network 1 respectively, from the signal of port a input
It is divided into two paths of signals after the first Wilkinson power divider 15, defeated from the signal of delivery outlet 15b output
Go out to phase modulation network 2 the input 26a of the second bonder 26, from the signal of delivery outlet 15c output
Export to the input 23a of the first bonder 23 in phase modulation network 2；Signal warp from port b input
It is divided into two paths of signals after crossing the second Wilkinson power divider 16, defeated from the signal of delivery outlet 16b output
Go out to phase modulation network 2 the input 23b of the first directional coupler 23, from delivery outlet 12c output
Signal exports to the input 26b of the second directional coupler 26 in phase modulation network 2.
Phase modulation network 2 includes two directional couplers, the first directional coupler 23 and the second directional couple
Device 26.Described directional coupler is 90 degree of 3db directional couplers, wherein the second directional coupler 26
Two outfan 26c, 26d be output as a road signal, with the second antenna oscillator in aerial array 3
Row 32 are connected.
In the present embodiment, the second directional coupler 26 liang outfan is output as a road signal, shakes with antenna
Son row connect.By this kind of connected mode, can effectively reduce phase contrast between oscillator row, control wave beam
Antenna points to, and reduces beam-scanning angles, more reduces oscillator number of columns.
As shown in Figure 4, comparison diagram before and after wave cover effect.Wherein, figure represents not shown in dotted line
By the wave cover design sketch formed after the beam-forming network in above-described embodiment, solid line institute in figure
Show the wave cover design sketch represented by being formed after the beam-forming network in above-described embodiment.By scheming
Understand, the wave beam formed by beam-forming network, effectively reduce beam-scanning angles, optimize
Wave beam forming, meanwhile, optimizes secondary lobe.
This utility model has and utilizes bonder multiplexing oscillator, and power splitter is independent to be combined with oscillator, flexibly
Distribute the power between each oscillator and phase relation, optimum level face beam shaping, it is achieved control ripple
Shu Zhixiang, reduces beam-scanning angles, optimizes secondary lobe.Coupler output is output as a road signal,
Common antenna oscillator arranges, and reduces phase contrast between oscillator row, reduces beam-scanning angles.
Technology contents of the present utility model and technical characteristic have revealed that as above, but are familiar with the skill of this area
Art personnel are still potentially based on teaching of the present utility model and announcement and make all without departing substantially from this utility model essence
The replacement of god and modification, therefore, it is interior that this utility model protection domain should be not limited to disclosed in embodiment
Hold, and should include various without departing substantially from replacement of the present utility model and modification, and be present patent application right
Require to be contained.
Claims (9)
1. a beam-forming network, it is characterised in that described beam-forming network includes signal processing net
Network, phase modulation network and aerial array, described signal shaping network is connected with described phase modulation network, its
Any one road input signal is processed into multiple signals output to described phase modulation network, described phase modulation network
Being connected with aerial array, described aerial array includes that several antenna oscillator arranges, and described phase modulation network will
Corresponding antenna oscillator row are exported to aerial array after multiple signals phase modulation.
Beam-forming network the most according to claim 1, it is characterised in that described signal processing net
Network includes several power splitter.
Beam-forming network the most according to claim 2, it is characterised in that described power splitter is selected from
One in two power splitters, three power splitters, Wilkinson power divider.
Beam-forming network the most according to claim 1, it is characterised in that described phase modulation network packet
Include several bonder and several phase shifter.
Beam-forming network the most according to claim 1, it is characterised in that described phase modulation network packet
Include several bonder.
Beam-forming network the most according to claim 4, it is characterised in that the phase of described phase shifter
Position knots modification is in the range of negative 180 degree to positive 180 degree.
7. according to the beam-forming network described in claim 4 or 5, it is characterised in that described bonder
It is 90 degree of 3db directional couplers.
8. according to the beam-forming network described in claim 4 or 5, it is characterised in that described bonder
Output signal arranges with the antenna oscillator in described aerial array and is directly connected to.
Beam-forming network the most according to claim 5, it is characterised in that described bonder exports
It is that a road signal is connected with the antenna oscillator row in described aerial array.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620466237.3U CN205790400U (en) | 2016-05-20 | 2016-05-20 | Beam-forming network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620466237.3U CN205790400U (en) | 2016-05-20 | 2016-05-20 | Beam-forming network |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205790400U true CN205790400U (en) | 2016-12-07 |
Family
ID=58116859
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620466237.3U Active CN205790400U (en) | 2016-05-20 | 2016-05-20 | Beam-forming network |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205790400U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109216944A (en) * | 2018-09-18 | 2019-01-15 | 重庆金美通信有限责任公司 | A kind of small-sized multi-beam plate aerial |
| CN109830804A (en) * | 2019-03-26 | 2019-05-31 | 中国人民解放军空军工程大学 | Eight yuan of broadband double-circle polarization and beam-forming network and design method |
| WO2019201142A1 (en) * | 2018-04-20 | 2019-10-24 | 华为技术有限公司 | Feed signal forming method and related apparatus thereof |
| CN111869005A (en) * | 2018-03-27 | 2020-10-30 | 维尔塞特公司 | Circuit architecture for distributed multiplexing of control signals and element signals for phased array antennas |
-
2016
- 2016-05-20 CN CN201620466237.3U patent/CN205790400U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111869005A (en) * | 2018-03-27 | 2020-10-30 | 维尔塞特公司 | Circuit architecture for distributed multiplexing of control signals and element signals for phased array antennas |
| US11831077B2 (en) | 2018-03-27 | 2023-11-28 | Viasat, Inc. | Circuit architecture for distributed multiplexed control and element signals for phased array antenna |
| WO2019201142A1 (en) * | 2018-04-20 | 2019-10-24 | 华为技术有限公司 | Feed signal forming method and related apparatus thereof |
| CN110391829A (en) * | 2018-04-20 | 2019-10-29 | 上海华为技术有限公司 | Electric feed signal forming method and its relevant device |
| CN110391829B (en) * | 2018-04-20 | 2021-05-11 | 上海华为技术有限公司 | Feed signal forming method and related equipment |
| CN109216944A (en) * | 2018-09-18 | 2019-01-15 | 重庆金美通信有限责任公司 | A kind of small-sized multi-beam plate aerial |
| CN109216944B (en) * | 2018-09-18 | 2021-04-16 | 重庆金美通信有限责任公司 | Small multi-beam panel antenna |
| CN109830804A (en) * | 2019-03-26 | 2019-05-31 | 中国人民解放军空军工程大学 | Eight yuan of broadband double-circle polarization and beam-forming network and design method |
| CN109830804B (en) * | 2019-03-26 | 2023-11-03 | 中国人民解放军空军工程大学 | Broadband eight-element double circular polarization and wave beam forming network and design method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205790400U (en) | Beam-forming network | |
| CN100512044C (en) | Wave beam forming network with variable beam width | |
| US10594043B2 (en) | Antenna device and system having active modules | |
| CN102859789B (en) | Aerial array, antenna assembly and base station | |
| CN102683897B (en) | Antenna, base station and beam processing method | |
| CN108390703B (en) | Multi-beam phased array antenna mechanism | |
| US7511666B2 (en) | Shared phased array cluster beamformer | |
| CN103633452B (en) | A kind of antenna and wireless signal sending, receiving method | |
| CN102082326B (en) | Intelligent antenna equipment and method for supporting independent intersystem electric regulation | |
| CN101467303A (en) | Phased array antenna system with two dimensional scanning | |
| CN106602265A (en) | Wave beam forming network, input structure thereof, input/output method of wave beam forming network, and three-beam antenna | |
| KR20160148712A (en) | Multi-beam antenna system and phase adjustment method thereof, and dual-polarization antenna system | |
| CN106329124A (en) | Phase shifter and antenna | |
| CN203277650U (en) | Multi-beam width antenna system and feed network | |
| EP3163933B1 (en) | Beam forming network and base station antenna | |
| CN103840261A (en) | Antenna assembly and method for adjusting antenna beams | |
| CN207134475U (en) | Multisystem is coplanar antenna integrated | |
| CN102647213A (en) | Wireless communication system and method | |
| US20200212566A1 (en) | Dual band beam generator | |
| CN105680178A (en) | Two-dimensional electronic scanning antenna | |
| CN109755746B (en) | Feed network and triple-beam antenna | |
| CN106229685A (en) | Wave-packet shaping network and dual polarization five beam antenna | |
| CN102509891B (en) | Frequency-adjustable Butler matrix | |
| US10205236B2 (en) | Antenna system | |
| CN105896081B (en) | A kind of automatically controlled restructural butler matrix feed networks of double frequency |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: Kunshan Dianshan Lake Town City Suzhou city Jiangsu province 215345 Shen road, No. 6 Patentee after: Rosenberg Technology Co.,Ltd. Address before: Kunshan Dianshan Lake Town City Suzhou city Jiangsu province 215345 Shen Dinglu No. 6 Patentee before: ROSENBERGER TECHNOLOGY ( KUNSHAN) Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 215345 No. 6 Shen'an Road, Dianshan Lake Town, Kunshan City, Suzhou City, Jiangsu Province Patentee after: ProLogis Communication Technology (Suzhou) Co.,Ltd. Address before: 215345 No. 6 Shen'an Road, Dianshan Lake Town, Kunshan City, Suzhou City, Jiangsu Province Patentee before: Rosenberg Technology Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |