CN103367932B - A kind of two-beam antenna - Google Patents
A kind of two-beam antenna Download PDFInfo
- Publication number
- CN103367932B CN103367932B CN201310268609.2A CN201310268609A CN103367932B CN 103367932 B CN103367932 B CN 103367932B CN 201310268609 A CN201310268609 A CN 201310268609A CN 103367932 B CN103367932 B CN 103367932B
- Authority
- CN
- China
- Prior art keywords
- reflecting plate
- radiating element
- horizontal plane
- antenna
- plane
- 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
- Aerials With Secondary Devices (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
A kind of two-beam antenna, including multiple radiating elements, one reflecting plate, feeding network, radiating element is fixed on reflecting plate, described reflecting plate includes a horizontal plane and arranges the bending plane of its both sides and formed along centrosymmetric irrigation canals and ditches type structure, bending plane is provided with angle with between reflecting plate horizontal plane, on the left of reflecting plate, bending plane and right side bending plane are in axial direction respectively fixed with multiple radiating elements of string, the horizontal plane of reflecting plate is in axial direction fixed with multiple radiating elements of two row, radiating element in reflecting plate bending plane and on reflecting plate horizontal plane and be adjacent between the radiating element of arrangement in cross arrangement, radiating element in bending plane and on reflecting plate horizontal plane and and the radiating element of its non-conterminous arrangement between aligned, apparatus of the present invention overall volume is little, windward side is little, practical application risk can be substantially reduced.
Description
Technical field
The present invention relates to a kind of mobile communication outdoor distribution antenna, be specifically related to a high-gain two-beam antenna, cover for outdoor mobile communication, the invention belongs to the communications field.
Background technology
Along with the increase at full speed of mobile communication subscriber, outdoor communication network regional area faces high traffic, the pressure of high load capacity. In order to strengthen antenna system capacity, helping operator to extricate oneself from a predicament, optimize existing network, company developed new product two-beam antenna both at home and abroad in recent years, squeezed into the market as new high-end antenna product.
Two-beam antenna is also called splitting antenna, it is in an antenna house entity, be integrated with two dual polarized antennas, it adopts beamforming technique, compared to common double poliarizing antenna, two-beam antenna gain declines faster, in two-beam antenna, the overlapping region between two sectors is less, advantageously reduces soft handover and More Soft Handoff. Use two-beam antenna networking, contrast ordinary base station antenna networking, do not increasing on the basis of installation cost expense, only need to change three antennas, increase by three radio-frequency modules and part accessory, network capacity can be made to increase more than 60-80%. Use two-beam antenna dilatation can realize low cost smooth expansion, there is utilization flexibly, network topology structure is affected the advantages such as little.
And the high-gain two-beam antenna that the present invention relates to, it is applied to outdoor RF wireless communication and extensively covers. Application scenarios includes the regions such as highway, railway, tunnel, long and narrow landform. The horizontal lobe width of this antenna generally selects 32 �� or following, and additionally volume is relatively big owing to oscillator quantity is more for this antenna, and overall weight is heavier.
As shown in accompanying drawing 4A and 4B, the common high-gain two-beam antenna of present technology includes antenna house 10, reflecting plate 20, multiple radiating element 30, feeding network 40, bracing frame 50, and radiating element 30 is �� 45 �� of dual polarization vibrators; As shown in fig. 4b, in the left and right sides of bracing frame, it is placed with 2Xn and arranges �� 45 degree of dual-polarization radiating units;As shown in Figure 4 C, left and right sides cell array respectively forms a dual polarization narrow beam antenna in conjunction with feeding network, and the two row first-class spacing of radiation cell array longitudinal direction are axially disposed on reflecting plate, and any two radiating element center distance is d1. Due to inner integrated two dual polarized antennas of two-beam antenna, for avoiding interfering, it is necessary to two antenna beams are carried out beam tilt, and the horizontal radiation pattern after downwards bevel beam is as shown in Figure 5. Prior art uses mechanical tilt technology to realize downwards bevel beam, namely adjusts bracing frame and realizes wave beam mechanical tilt with horizontal plane angle angle. When tilt angled down is excessive, horizontal directivity pattern deformation is serious, produces area covered, affects network communication quality. Separately as can be seen from the figure, common high-gain two-beam antenna overall structure is larger in size at width and short transverse, and antenna house to be designed to polymorphic structure, common double beam antenna is caused to there are a series of shortcomings such as volume is big, overall weight is big, windward side is big, add holistic cost, and increase due to boisterous, add the risk of practical application.
Summary of the invention
It is an object of the invention to overcome the deficiencies in the prior art, it is provided that a kind of easy realization, low cost, miniaturization two-beam antenna, with the covering needs under satisfied outdoor different application occasion.
The technical solution adopted in the present invention is:
A kind of two-beam antenna, including multiple radiating elements, one reflecting plate, feeding network, radiating element is fixed on reflecting plate, radiating element axial direction equally arranges, described reflecting plate includes a horizontal plane and arranges the bending plane of its both sides and formed along centrosymmetric irrigation canals and ditches type structure, bending plane is provided with angle with between reflecting plate horizontal plane, on the left of reflecting plate, bending plane and right side bending plane are in axial direction respectively fixed with multiple radiating elements of string, the horizontal plane of reflecting plate is in axial direction fixed with multiple radiating elements of two row, radiating element in reflecting plate bending plane and on reflecting plate horizontal plane and be adjacent between the radiating element of arrangement in cross arrangement, radiating element in bending plane and on reflecting plate horizontal plane and and the radiating element of its non-conterminous arrangement between aligned, wherein: the axial centre of the adjacent radiation unit on same longitudinal array is smaller than the axial centre spacing between two row radiating elements of cross arrangement.
Described reflecting plate bending plane is 0 degree of-90 degree with being provided with angle between reflecting plate horizontal plane.
The axial middle ware between two row radiating elements of the described cross arrangement half from the axial spacing for the adjacent radiation on same longitudinal array.
Described radiating element is �� 45 �� of dual polarization vibrators.
The operating frequency of described dual polarization vibrator is 806MHz-960MHz.
The operating frequency of described dual polarization vibrator is 1710MHz-2170MHz.
Radiating element on described reflecting plate horizontal plane adopts change feeding potential current amplitude, phase place to realize radiating element wave beam horizontal plane electrical down-tilting.
Described feeding network is connected to the phase shifter.
Two-beam antenna of the present invention has the advantage that
1. the present invention program uses integrated two the dual polarization narrow beam antennas of same reflecting plate, there is the features such as overall structure is little, solve common double beam antenna and there are a series of shortcomings such as volume is big, overall weight is big, windward side is big, practical application risk can be substantially reduced;
2. the present invention program can use identical structure, the high-gain dualbeam antenna for base station of composition different frequency range use and dualbeam electrical tilt antenna, can meet the outdoor wireless coverage demand of different communication systems;
3. use the method for mechanical tilt and electrical down-tilting that wave beam carries out figuration, replace the mechanical tilt technology of prior art, because electrical down-tilting antenna is far superior to mechanical tilt antenna in performance, can better promote network covering property;
4., owing to the present invention program overall structure is simple, relative to common double beam antenna, holistic cost significantly reduces; Use this programme to carry out the network capacity extension and can realize low cost smooth expansion, have utilization flexibly, on series of advantages such as network topology structure impact are little.
Accompanying drawing explanation
Figure 1A is the structural representation of apparatus of the present invention;
Figure 1B is the radiating element scattergram of apparatus of the present invention;
Fig. 1 C is the radiating element schematic diagram of apparatus of the present invention;
Fig. 2 is the system schematic of dualbeam antenna for base station of the present invention;
Fig. 3 is the system schematic of dualbeam electrical tilt antenna of the present invention;
Fig. 4 A is the structural representation of common double beam antenna of the prior art;
Fig. 4 B is the radiating element scattergram of common double beam antenna of the prior art;
Fig. 4 C is common double beam antenna radiating element schematic diagram of the prior art;
Fig. 5 is two-beam antenna horizontal radiation pattern of the present invention;
Wherein:
10 antenna houses;
20 reflecting plates;
30 radiating elements;
40 feeding networks;
50 bracing frames;
60 phase shifters;
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail, but the invention is not restricted to these embodiments.
As shown in Figure 1A, Figure 1B, Fig. 1 C, first embodiment of the invention is dualbeam antenna for base station, including antenna house 10, reflecting plate 20, radiating element 30 and feeding network 40; As shown in Figure 1B, reflecting plate 20 primary structure is irrigation canals and ditches type structures, and including a horizontal plane and the bending plane being placed on horizontal plane both sides, bending plane is provided with angle, �� with between reflecting plate horizontal plane, this angle can regulate between 0 degree to 90 degree, and overall structure is along centrosymmetry; As shown in Figure 1A, in axial direction respectively it is fixed with the multiple radiating element 30 of string in reflecting plate 20 left and right sides bending plane, reflecting plate horizontal plane is in axial direction fixed with the two multiple radiating elements 30 of row; As shown in Figure 1 C, radiating element 30 is the diamond structure radiating element of four symmetrical dipole a, b, c, d compositions, has oscillator a, c and b, d of two kinds of equidirectionals in each rhombus radiating element; Oscillator a, c identical in each rhombus radiating element are connected with feeding network 40. Radiation cell array longitudinally equally arranges, radiating element in reflecting plate bending plane and on horizontal plane and be adjacent between the radiating element of arrangement in cross arrangement, radiating element 30 in bending plane and on reflecting plate horizontal plane and and the radiating element 30 of its non-conterminous arrangement between aligned, wherein: the axial centre of the adjacent radiation unit on same longitudinal array is smaller than the axial centre spacing between two row radiating elements of cross arrangement. Such as: as shown in Figure 4 C, common double beam antenna radiating element center distance is d1, as shown in Figure 1 C, in the present invention, any one is d2 with the axial center distance of adjacent radiation unit on longitudinal array, the axial centre spacing of the radiating element of adjacent two arrays is d3, this spacing is the half of same longitudinal array radiation unit center spacing, i.e. d3=d2/2, and the relation of this two spacing and common double beam antenna radiating element center distance d1 of the prior art is d3 < d1 < d2.
As shown in Fig. 1 C and Fig. 2, on the left of reflecting plate, the radiation cell array in bending plane fixes radiation cell array in conjunction with feeding network one narrow beam dual polarized antenna of composition on the right side of horizontal plane; Radiation cell array in the bending plane of right side is fixed radiation cell array on the left of horizontal plane and is formed another one narrow beam dual polarized antenna in conjunction with feeding network; This two narrow beam antenna constitutes two-beam antenna of the present invention.
The present invention is different compared with the two-beam antenna of prior art, the string radiation cell array forming single dual polarized antenna is placed on bending plane, additionally string is placed in the horizontal plane, this single dual polarized antenna is two-element antenna array, and be multiplied principle according to two-element antenna array direction, the product of the general direction function of this antenna array directivity factor equal to individual antenna and single array factor directivity factor. By adjusting horizontal plane radiation cell array feeding potential current amplitude, phase place, it is achieved radiation element wave beam horizontal plane electrical down-tilting, in conjunction with bending edges mechanical tilt wave beam, have a down dip thus realizing this side dual polarized antenna main beam horizontal plane. The present invention is by the feeding potential current amplitude between adjustment irrigation canals and ditches shape reflecting plate horizontal plane radiating element different from the angle of folding surface and same column, phase place, it may be achieved the main beam horizontal plane of two-beam antenna has a down dip.
Owing to adopting radiation cell array interleaved mode, two-beam antenna of the present invention is compared with common double beam antenna configurations, and overall structure size is greatly lowered on width and short transverse, and overall structure is upright, antenna house front face area is substantially reduced, and antenna overall weight significantly reduces.
Second embodiment of the invention is as shown in Figure 3, use under first mutually isostructural reflecting plate of embodiment of Figure 1A, 1B and 1C and antenna house premise, feeding network increases the phase shifter, namely by changing coupling position angle or changing transmission line dielectric constant, change radiofrequency signal output phase place, finally realize main beam vertical electrical down-tilting. Namely increasing the phase shifter 60 on original structure in the feeding network 40 of A wave beam and B wave beam respectively can form two independent dual polarization electrical tilt antennas, and these two Dual-polarized electricities adjust antennas composition dualbeam electrical tilt antennas. Electrical tilt antenna have better improve carrier/interface ratio, improve radiation pattern distortion and reduce signal RMS(root-mean-square value) series of advantages such as delay scope. Also can increase electrical tilt antenna remote controller composition remote control dualbeam electrical tilt antenna on dualbeam electrical tilt antenna basis, have optimize antenna actual covering shape at any time, provide minimum cochannel disturb, cell edge is provided better control, the series of advantages such as optimization call quality.
Adopt first embodiment of the invention and the second embodiment scheme, use �� 45 �� of low frequency (working frequency range 806MHz-960MHz) dual polarization vibrators, high-gain dualbeam base station and the dualbeam electrical tilt antenna of dilatation needs in different communication systems such as being operated in CDMA800 and GSM900 can be formed, it is used as �� 45 �� of high frequency (working frequency range 1710MHz-2170MHz) dual polarization vibrators, the high-gain dualbeam base station and dualbeam electrical tilt antenna that are operated in the different communication systems such as GSM1800, WCDMA, CDMA2000 can be formed.
For working frequency range 806MHz-896MHz, gain 18dBi, horizontal lobe width 32 ��, preset electrical down-tilting 6 �� dualbeam antenna for base station, reflecting plate of the present invention is placed with 4X5 and arranges �� 45 �� of low frequency 806-960MHz dual polarization vibrators, this antenna horizontal radiation pattern is as shown in Figure 5, can be seen that from directional diagram, inventive antenna truly has extraordinary service behaviour, and antenna overall dimensions is 1750X575X155mm, relatively prior art two-beam antenna size 1460X1010X390mm significantly reduces.
Embodiment described above only have expressed the several embodiments of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention. It should be pointed out that, for the person of ordinary skill of the art, without departing from the inventive concept of the premise, it is also possible to making some deformation and improvement, these broadly fall into protection scope of the present invention. Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (8)
1. a two-beam antenna, including multiple radiating elements (30), one reflecting plate (20), feeding network (40), radiating element (30) is fixed on reflecting plate (20), radiating element (30) axial direction equally arranges, it is characterized in that: described reflecting plate (20) includes a horizontal plane and arranges the bending plane of its both sides and formed along centrosymmetric irrigation canals and ditches type structure, bending plane is provided with angle with between reflecting plate horizontal plane, multiple radiating elements (30) of string in axial direction it are respectively fixed with in reflecting plate (20) left side bending plane and right side bending plane, the horizontal plane of reflecting plate (20) is in axial direction fixed with multiple radiating elements (30) of two row, in cross arrangement between radiating element (30) and the radiating element (30) being positioned on reflecting plate horizontal plane and being adjacent arrangement in reflecting plate bending plane, radiating element (30) in bending plane and be positioned on reflecting plate horizontal plane and and the radiating element (30) of its non-conterminous arrangement between aligned, wherein: the axial centre of the adjacent radiation unit on same longitudinal array is smaller than the axial centre spacing between two row radiating elements of cross arrangement, on the left of described reflecting plate, the radiation cell array in bending plane fixes radiation cell array in conjunction with feeding network one narrow beam dual polarized antenna of composition on the right side of horizontal plane, radiation cell array in the bending plane of right side is fixed radiation cell array on the left of horizontal plane and is formed another one narrow beam dual polarized antenna in conjunction with feeding network, and narrow beam dual polarized antenna described in the two constitutes described two-beam antenna.
2. a kind of two-beam antenna as claimed in claim 1, it is characterised in that: described reflecting plate bending plane is 0 degree of-90 degree with being provided with angle between reflecting plate horizontal plane.
3. a kind of two-beam antenna as claimed in claim 1 or 2, it is characterised in that: the half from the axial spacing for the adjacent radiation on same longitudinal array of the axial middle ware between two row radiating elements of described cross arrangement.
4. a kind of two-beam antenna as claimed in claim 1 or 2, it is characterised in that: described radiating element (30) is �� 45 �� of dual polarization vibrators.
5. a kind of two-beam antenna as claimed in claim 4, it is characterised in that: the operating frequency of described dual polarization vibrator is 806MHz-960MHz.
6. a kind of two-beam antenna as claimed in claim 4, it is characterised in that: the operating frequency of described dual polarization vibrator is 1710MHz-2170MHz.
7. a kind of two-beam antenna as described in claim 1 or 2 or 5 or 6, it is characterised in that: the radiating element on described reflecting plate (20) horizontal plane adopts change feeding potential current amplitude, phase place to realize radiating element wave beam horizontal plane electrical down-tilting.
8. a kind of two-beam antenna as described in claim 1 or 2 or 5 or 6, it is characterised in that: described feeding network (40) is connected to the phase shifter (60).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310268609.2A CN103367932B (en) | 2013-06-28 | 2013-06-28 | A kind of two-beam antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310268609.2A CN103367932B (en) | 2013-06-28 | 2013-06-28 | A kind of two-beam antenna |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103367932A CN103367932A (en) | 2013-10-23 |
| CN103367932B true CN103367932B (en) | 2016-06-08 |
Family
ID=49368768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310268609.2A Active CN103367932B (en) | 2013-06-28 | 2013-06-28 | A kind of two-beam antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103367932B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105576351B (en) * | 2014-11-05 | 2018-05-22 | ***通信集团设计院有限公司 | A kind of antenna radiation unit and antenna |
| CN106711622B (en) * | 2017-01-22 | 2023-09-01 | 京信通信技术(广州)有限公司 | Antenna array and antenna |
| CN107276651B (en) * | 2017-07-07 | 2020-04-28 | 西北大学 | Down inclination angle optimization and power distribution method for vertical sector splitting |
| CN108448237A (en) * | 2018-05-22 | 2018-08-24 | 广东博纬通信科技有限公司 | A kind of two-way covering antenna of ultra-wideband dual polarization |
| CN112437998B (en) | 2019-06-25 | 2023-07-18 | 康普技术有限责任公司 | Multibeam base station antenna with broadband radiating element |
| US11056773B2 (en) | 2019-06-28 | 2021-07-06 | Commscope Technologies Llc | Twin-beam base station antennas having thinned arrays with triangular sub-arrays |
| WO2021194652A1 (en) * | 2020-03-27 | 2021-09-30 | Commscope Technologies Llc | Shared-aperture base station antennas with tri-beam and twin-beam generation |
| CN113161744B (en) * | 2021-04-16 | 2023-01-31 | 国网陕西省电力公司电力科学研究院 | Array antenna based on dual-beam conversion |
| CN116404417A (en) * | 2021-12-27 | 2023-07-07 | 普罗斯通信技术（苏州）有限公司 | Radiation array group, radiation array and dual-beam antenna |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2560107Y (en) * | 2002-08-02 | 2003-07-09 | 西安海天天线科技股份有限公司 | Double-polarization shaped wave beam base station antenna |
| CN1615562A (en) * | 2002-08-07 | 2005-05-11 | 英特尔公司 | Antenna system for improving the performance of a short range wireless network |
| CN1898885A (en) * | 2003-11-24 | 2007-01-17 | 香港应用科技研究院有限公司 | Low cost multi-beam, multi-band and multi-diversity antenna systems and methods for wireless communications |
| CN201336371Y (en) * | 2008-12-22 | 2009-10-28 | 东莞市晖速天线技术有限公司 | Staggered-arrangement flat plate directional intelligent antenna array |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009052218A1 (en) * | 2007-10-16 | 2009-04-23 | Powerwave Technologies, Inc. | Dual beam sector antenna array with low loss beam forming network |
| US8362967B2 (en) * | 2008-10-15 | 2013-01-29 | Powerwave Technologies, Inc. | Low power multi-beam active array for cellular communications |
| CN201584489U (en) * | 2009-12-21 | 2010-09-15 | 摩比天线技术（深圳）有限公司 | Double-frequency dual-polarization antenna oscillator |
-
2013
- 2013-06-28 CN CN201310268609.2A patent/CN103367932B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2560107Y (en) * | 2002-08-02 | 2003-07-09 | 西安海天天线科技股份有限公司 | Double-polarization shaped wave beam base station antenna |
| CN1615562A (en) * | 2002-08-07 | 2005-05-11 | 英特尔公司 | Antenna system for improving the performance of a short range wireless network |
| CN1898885A (en) * | 2003-11-24 | 2007-01-17 | 香港应用科技研究院有限公司 | Low cost multi-beam, multi-band and multi-diversity antenna systems and methods for wireless communications |
| CN201336371Y (en) * | 2008-12-22 | 2009-10-28 | 东莞市晖速天线技术有限公司 | Staggered-arrangement flat plate directional intelligent antenna array |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103367932A (en) | 2013-10-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103367932B (en) | A kind of two-beam antenna | |
| CN105356062B (en) | Broadband array antenna | |
| CN202474228U (en) | Dual-polarization five-beam antenna for mobile communication base station | |
| CN104733844A (en) | Planar-broadband dual-polarization base station antenna | |
| US20130044035A1 (en) | Dual-Polarized Microstrip Antenna | |
| CN205004448U (en) | Wide band array antenna | |
| CN102790284B (en) | A kind of antenna assembly and reflecting plate thereof with multiple border | |
| CN202474227U (en) | Dual-polarized tri-beam antenna for mobile communication base station | |
| CN105609921A (en) | Small high and low frequency coaxial dual-polarized base station antenna unit | |
| CN107732465B (en) | Dual-band dual-polarization fast drop rectangular shaped array antenna | |
| CN101789548A (en) | Mobile communication base station antenna | |
| CN102110908B (en) | TD-LTE (Time Division-Long Term Evolution) indoor dual-polarized antenna | |
| CN112585818B (en) | Split diamond antenna elements for controlling azimuth pattern in different array configurations | |
| CN206225561U (en) | A kind of big angle of declination antenna for base station of biserial | |
| CN105896033A (en) | High-isolation MIMO antenna system | |
| CN106159465A (en) | Wideband five beam array antenna | |
| CN2881992Y (en) | Antenna of 3G dipole mobile communication base station | |
| CN203631723U (en) | Single-polarization antenna array element radiation unit, dual-polarization antenna array element radiation unit, broadband antenna and multi-band antenna | |
| CN103531916A (en) | Adjustable base station antenna reflection frame | |
| CN201060942Y (en) | Dual-frequency dual polarization electric modulation antenna | |
| CN206322856U (en) | The beam array antenna of wideband three | |
| CN103474754B (en) | A kind of single, double poliarizing antenna a period of time radiating element and antenna | |
| CN116417786A (en) | Indoor distributed dual-polarized directional wall-mounted antenna with mobile broadband | |
| CN211088520U (en) | Three-dimensional multi-beam antenna and network access system | |
| CN2877062Y (en) | 3G single-pole mobile communication base station antenna |
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 | ||
| CP03 | Change of name, title or address |
Address after: 430205 Hubei city of Wuhan province Jiangxia Hidden Dragon Island Tan lake two Road No. 1 Patentee after: CITIC Mobile Communication Technology Co., Ltd Address before: 430073 Hubei province Wuhan Dongxin East Lake high tech Development Zone, Road No. 5 Patentee before: Wuhan Hongxin Telecommunication Technologies Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 430205 No.1 tanhu 2nd Road, Canglong Island, Jiangxia District, Wuhan City, Hubei Province Patentee after: CITIC Mobile Communication Technology Co.,Ltd. Address before: 430205 No.1 tanhu 2nd Road, Canglong Island, Jiangxia District, Wuhan City, Hubei Province Patentee before: CITIC Mobile Communication Technology Co., Ltd |
|
| CP01 | Change in the name or title of a patent holder |