CN104577330A - MIMO antenna - Google Patents
MIMO antenna Download PDFInfo
- Publication number
- CN104577330A CN104577330A CN201310467470.4A CN201310467470A CN104577330A CN 104577330 A CN104577330 A CN 104577330A CN 201310467470 A CN201310467470 A CN 201310467470A CN 104577330 A CN104577330 A CN 104577330A
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- antenna
- main body
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- substrate
- vertical portion
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- 239000000758 substrate Substances 0.000 claims abstract description 50
- 238000002955 isolation Methods 0.000 claims abstract description 32
- 230000005855 radiation Effects 0.000 claims description 41
- 238000003780 insertion Methods 0.000 claims description 8
- 230000037431 insertion Effects 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 2
- 239000002184 metal Substances 0.000 abstract description 9
- 238000010586 diagram Methods 0.000 description 7
- 239000004973 liquid crystal related substance Substances 0.000 description 3
- 206010057855 Hypotelorism of orbit Diseases 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Abstract
The invention relates to an MIMO antenna which is arranged on a substrate. The substrate comprises a ground layer printed on the substrate. The MIMO antenna comprises a first antenna, a second antenna and a bridging part, wherein the bridging part is printed on the substrate and connected between the first antenna and the second antenna; an isolation groove is formed between the ground layer and the bridging part, so that the ground layer is not connected with the bridging part. The first antenna and the second antenna adopt a three-dimensional antenna structure combining metal with a microstrip line and connected with each other through the bridging part, and the isolation groove is formed between the bridging part and the ground layer, so that the isolation between the first antenna and the second antenna and the efficiency are improved, and the communication quality of the MIMO antenna is improved.
Description
Technical field
The present invention relates to antenna, particularly relate to a kind of multi-input/output antenna.
Background technology
Along with advancing by leaps and bounds of wireless communication technology, universal (Interactive Personality TV, the IPTV) of especially Web TV, make TV to access broadband network, the Web TV of the type comprises wireless communication module.
Above-mentioned Web TV generally needs to be designed to thinner thickness, multiple-input and multiple-output (Multiple Input Multiple Output, MIMO) antenna is one of assembly of its indispensability, due to its thinner thickness, the liquid crystal metal decking of television internal and the hypotelorism of mimo antenna, and then mimo antenna performance is had an impact, as: the isolation variation of mimo antenna, efficiency step-down, gain become large.Therefore, how designing a kind of mimo antenna to overcome the problems referred to above is then a major challenge, also becomes the target that current industry is badly in need of improving.
Summary of the invention
In view of this, be necessary to provide a kind of mimo antenna, the liquid crystal metal decking that can reduce television internal is on the impact of antenna performance and have excellent radiance.
An embodiment of the present invention provides a kind of mimo antenna, is arranged on substrate, and described substrate comprises the ground plane being printed in substrate surface.Described mimo antenna comprises the first antenna, the second antenna and bridge part.Described bridge part is printed on described substrate, and is connected between described first antenna and the second antenna.Wherein between described ground plane and described bridge part, be provided with isolation channel, described ground plane is not connected with described bridge part.
Preferably, described first antenna and described second antenna are three-dimensional ironware antennas.
Preferably, described first antenna and described second center of antenna are symmetricly set in the two ends that described bridge part meets portion.
Preferably, described first antenna comprises the first Department of Radiation and the first feeding portion.Described first Department of Radiation comprises the first vertical portion, the second vertical portion and the first main body.Described first vertical portion is connected with described substrate to downward-extension from an ending vertical of described first main body, the tie point of described first vertical portion and described substrate is the first fixed part, described second vertical portion is connected with described first feeding portion to downward-extension from another ending vertical of described first main body, and the tie point of described second vertical portion and described first feeding portion is the first load point.Described second antenna comprises the second Department of Radiation and the second feeding portion.Described second Department of Radiation comprises the 3rd vertical portion, the 4th vertical portion and the second main body.Described 3rd vertical portion is connected with described substrate to downward-extension from an ending vertical of described second main body, the tie point of described 3rd vertical portion and described substrate is the second fixed part, described 4th vertical portion is connected with described second feeding portion to downward-extension from another ending vertical of described second main body, and the tie point of described 4th vertical portion and described second feeding portion is the second load point.
Preferably, described first fixed part and described second fixed part lay respectively at two relative edges of described substrate.
Preferably, described bridge part comprises rectangular portion, the first connecting portion and the second connecting portion.Described first connecting portion one end is connected to described rectangular portion, and the other end is connected to the first load point of described first antenna.Described second connecting portion one end is connected to described rectangular portion, and the other end is connected to the second load point of the second antenna.
Preferably, described first connecting portion, the second connecting portion are L-type structure.
Preferably, the two ends of described isolation channel extend along the direction of described first main body, described second main body respectively, and the length of described isolation channel is less than the length of described bridge part.
Preferably, described isolation channel is the list structure being located at described substrate.
Preferably, the length of described bridge part equals 1/2nd of the electromagnetic wavelength that described antenna transmission receives.
The present invention is by the 3 D antenna structure that this first antenna and the second antenna is made into metal and is combined with microstrip line and be connected with the second antenna by the first antenna by bridge part, and isolation channel is set between bridge part and ground plane, improve the first antenna and the second isolation between antennae, efficiency, thus improve the communication quality of mimo antenna.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view in mimo antenna one execution mode of the present invention.
Fig. 2 overlooks scale diagrams in mimo antenna one execution mode of the present invention.
Fig. 3 is the backsight scale diagrams in the first Department of Radiation one execution mode of the present invention first antenna.
Fig. 4 is the schematic diagram of isolation between the first antenna and the second antenna in an embodiment of the present invention.
Main element symbol description
Mimo antenna 100
Substrate 10
Ground plane 20
First antenna 30
First Department of Radiation 31
First main body 310
First disk 310a
First vertical portion 312
First fixed part 314
Second vertical portion 316
First bar shaped portion 316a
First insertion section 316b
First load point 318
First feeding portion 32
Second antenna 40
Second Department of Radiation 41
Second main body 410
Second disk 410a
3rd vertical portion 412
Second fixed part 414
4th vertical portion 416
Second bar shaped portion 416a
Second insertion section 416b
Second load point 418
Second feeding portion 42
Bridge part 50
First connecting portion 502
Rectangular portion 504
Second connecting portion 506
Isolation channel 60
Following embodiment will further illustrate the present invention in conjunction with above-mentioned accompanying drawing.
Embodiment
Fig. 1 is the schematic perspective view of mimo antenna 100 in an embodiment of the present invention.In the present embodiment, mimo antenna 100 is arranged on substrate 10, and substrate 10 is provided with ground plane 20, and ground plane 20 is for being printed in the metal level on substrate 10.Mimo antenna 100 comprises the first antenna 30 for transceiving electromagnetic ripple, the second antenna 40, the bridge part 50 for transceiving electromagnetic ripple.Wherein, between ground plane 20 and bridge part 50, be also provided with isolation channel 60, ground plane 20 is not connected with bridge part 50.
First antenna 30 comprises the first Department of Radiation 31 and the first feeding portion 32.First feeding portion 32 for being arranged at the microstrip line on substrate 10, for feed-in electromagnetic wave signal.First Department of Radiation 31 is metal ironware structure, for radiated electromagnetic wave signal.
In the present embodiment, the first Department of Radiation 31 comprises the first main body 310, first vertical portion 312, first fixed part 314 and the second vertical portion 316.First main body 310 is the radiating principal of the first Department of Radiation 31, the first main body 310 is also provided with the first disk 310a, to facilitate Placement first Department of Radiation 31 on substrate 10.First fixed part 314 is for being fixed on substrate 10 by the first Department of Radiation 31.First vertical portion 312 to downward-extension, and is connected on the first fixed part 314 with substrate 10 from an ending vertical of the first main body 310.Second vertical portion 316 is connected with the first feeding portion 32 to downward-extension from another ending vertical of the first main body 310, the tie point of the second vertical portion 316 and the first feeding portion 32 is that the electromagnetic wave signal of the first feeding portion 32 feed-in is transferred to the first Department of Radiation 31 by the first load point 318, first load point 318.
In the present embodiment, the first main body 310, first vertical portion 312 and the second vertical portion 316 form a n shape or breach rectangular shape.First main body 310 is wider than its elsewhere in the first disk 310a place, and the first disk 310a is circular configuration.First vertical portion 312 is in strip.First fixed part 314 is L-shaped.Second vertical portion 316 comprises the first bar shaped portion 316a and the first insertion section 316b.
Second antenna 40 comprises the second Department of Radiation 41 and the second feeding portion 42.Second feeding portion 42 for being arranged at microstrip line on substrate 10, for feed-in electromagnetic wave signal.Second Department of Radiation 41 is metal ironware structure, for radiated electromagnetic wave signal.
In the present embodiment, the second Department of Radiation 41 comprises the second main body 410, the 3rd vertical portion 412, second fixed part 414 and the 4th vertical portion 416.Second main body 410 is the radiating principal of the second Department of Radiation 41, the second main body 410 also has the second disk 410a, to facilitate Placement second Department of Radiation 41 on substrate 10.Second fixed part 414 is for being fixed on substrate 10 by the second Department of Radiation 41.3rd vertical portion 412 is connected on second fixed part 414 to downward-extension with substrate 10 from an ending vertical of the second main body 410.4th vertical portion 416 is connected with the second feeding portion 42 to downward-extension from another ending vertical of the second main body 410, the tie point of the 4th vertical portion 416 and the second feeding portion 42 is that the electromagnetic wave signal of the second feeding portion 42 feed-in is transferred to the second Department of Radiation 41 by the second load point 418, second load point 418.
In the present embodiment, the second main body 410, the 3rd vertical portion 412 and the 4th vertical portion 416 form a n shape or breach rectangular shape.Second main body 410 is wider than its elsewhere in the second disk 410a place, and the second disk 410a is circular configuration.3rd vertical portion 412 is in strip.Second fixed part 414 is L-shaped.4th vertical portion 416 comprises the second bar shaped portion 416a and the second insertion section 416b.
In the present embodiment, first fixed part 314 paster is welded in the front of substrate 10, first insertion section 316b passes substrate 10 and is welded in the reverse side of substrate 10, and the first bar shaped portion 316a mono-end is connected with the first main body 310, and another end of the first bar shaped portion 316a is connected with the first load point 318.Second fixed part 414 paster is welded in the front of substrate 10, second insertion section 416b passes substrate 10 and is welded in the reverse side of substrate 10, second bar shaped portion 416a mono-end is connected with the second main body 410, and another end of the second bar shaped portion 416a is connected with the second load point 418.In other embodiments, different welding manner can also be changed according to different demand.
In the present embodiment, the first feeding portion 32 and the second feeding portion 42 are rectangular configuration.In other embodiments of the present invention, the first feeding portion 32 and the second feeding portion 42 also can be the structure of other geometries.
In the present embodiment, first Department of Radiation 31 is identical with the second Department of Radiation 41 structure, first Department of Radiation 31 and the second Department of Radiation 41 can share one set of die, and the first Department of Radiation 31 and the second Department of Radiation 41 Central Symmetry are arranged at the two ends of bridge part 50, also namely the first antenna 30 and the second antenna 40 Central Symmetry are arranged at the two ends of bridge part 50.
Bridge part 50 is for connecting the first antenna 30 and the second antenna 40, and bridge part 50 comprises rectangular portion 504, first connecting portion 502 and the second connecting portion 506.In the present embodiment, bridge part 50 is printed on substrate 10.In the present embodiment, the first connecting portion 502 and the second connecting portion 506 are L-type structure, and first connecting portion 502 one end is connected to rectangular portion 504, and the other end is connected to the second vertical portion 316 and the first load point 318 of the first antenna 30.Second connecting portion 506 one end is connected to rectangular portion 504, and the other end is connected to the 4th vertical portion 416 and the second load point 418 of the second antenna 40.In the present embodiment, the length of bridge part 50 equals the outer peripheral air line distance of outward flange to the second connecting portion 506 of the first connecting portion 502, the length of bridge part 50 is preferably the half of electromagnetic wavelength that mimo antenna 100 is launched or received, first antenna 30 and the second antenna 40 are linked together by bridge part 50, increase the isolation between the first antenna 30 and the second antenna 40, reduce because the liquid crystal metal decking of television internal and the hypotelorism of mimo antenna 100 have an impact to antenna performance, make mimo antenna 100 gain more stable, also the efficiency of mimo antenna 100 is improved.
Isolation channel 60 is arranged between ground plane 20 and bridge part 50, thus ground plane 20 is not connected with bridge part 50, is specially the list structure of the straight line between ground plane 20 and bridge part 50.The two ends of isolation channel 60 extend along the direction of the second main body 410 of the first main body 310 of the first antenna 30 and the second antenna 40 respectively.In the present embodiment, the length of isolation channel 60 is less than the length of bridge part 50.Isolation channel 60 avoids the edge current of ground plane 20 to the interference of the first antenna 30 and the second antenna 40, increases the isolation between the first antenna 30 and the second antenna 40, and then improves the communication quality of mimo antenna 100.
It should be noted that, in order to increase the isolation of the first antenna 30 and the second antenna 40 further, first antenna 30 and the second antenna 40 are arranged at the two ends of substrate 10 respectively, first fixed part 314 of the first antenna 30 and the second fixed part 414 of the second antenna 40 are positioned at two relative edges of substrate 10, and then add the physical distance of the first antenna 30 and the second antenna 40, improve the isolation of the first antenna 30 and the second antenna 40.
Fig. 2 be in an embodiment of the present invention mimo antenna 100 overlook scale diagrams.In the present embodiment, the width of substrate 10 is 40.0 millimeters, and the first feeding portion 32 is identical with the width of the second feeding portion 42, is 1.0 millimeters.The length of the first Department of Radiation 31 is 9.7 millimeters, and width is 4.5 millimeters, and the width of the first main body 310 is 2.0 millimeters, and the diameter of the first disk 310a is 3.0 millimeters, each several part size of the second Department of Radiation 41 and each several part of the first Department of Radiation 31 measure-alike.The length of bridge part 50 is 19.7 millimeters, and the length of isolation channel 60 and width are respectively 14.3 millimeters, 0.8 millimeter.The spacing of the first vertical portion 312 of the first antenna 30 and the 3rd vertical portion 412 of the second antenna 40 is 37.4 millimeters.But the present invention does not limit above size, in other embodiments of the invention, above-mentioned each parts also can have other size.
Fig. 3 is the backsight scale diagrams of the first Department of Radiation 31 of the first antenna 30 in an embodiment of the present invention.In the present embodiment, because the first Department of Radiation 31 of the first antenna 30 is identical with the second Department of Radiation 41 structure of the second antenna 40, therefore only provide the scale diagrams of the first Department of Radiation 31 of the first antenna 30 at this, and be only described in detail with the size of the first Department of Radiation 31 of the first antenna 30 below.
In the present embodiment, the length of the first main body 310 of the first Department of Radiation 31 is 9.7 millimeters, and the length of the first vertical portion 312 is 4.0 millimeters, and the length of the second vertical portion 316 is 5.0 millimeters, and the width of the first fixed part 314 is 2.5 millimeters.But the present invention does not limit above size, in other embodiments of the invention, the first Department of Radiation 31 also can have other size.
Fig. 4 is the schematic diagram of isolation between the first antenna 30 and the second antenna 40 in an embodiment of the present invention.Wherein, X-axis is the frequency range that mimo antenna 100 works, and Y-axis is isolation between the first antenna 30 and the second antenna 40.As we know from the figure, when mimo antenna 100 works in 2.4GHz, 2.45GHz and 2.5GHz tri-frequencies, between first antenna 30 and the second antenna 40, isolation is respectively-14.42dB ,-16.57dB and-10.36dB, is all less than-10dB, also all has good isolation.
The present invention is by the 3 D antenna structure that this first antenna 30 and the second antenna 40 is made into metal and is combined with microstrip line and be connected with the second antenna 40 by the first antenna 30 by bridge part 50, and isolation channel 60 is set between bridge part 50 and ground plane 20, improve isolation, the efficiency between the first antenna 30 and the second antenna 40, thus improve the communication quality of mimo antenna.
Claims (17)
1. a multi-input/output antenna, be arranged on substrate, described substrate comprises the ground plane being printed in substrate surface, described multi-input/output antenna comprises the first antenna and the second antenna, it is characterized in that, described multi-input/output antenna also comprises bridge part, described bridge part is printed on described substrate, and be connected between described first antenna and the second antenna, wherein, between described ground plane and described bridge part, be provided with isolation channel, described ground plane is not connected with described bridge part.
2. multi-input/output antenna as claimed in claim 1, is characterized in that, described first antenna and described second antenna are three-dimensional ironware antennas.
3. multi-input/output antenna as claimed in claim 1, it is characterized in that, described first antenna and described second center of antenna are symmetricly set in the two ends of described bridge part.
4. multi-input/output antenna as claimed in claim 1, is characterized in that, described bridge part is in the shape of falling M structure.
5. multi-input/output antenna as claimed in claim 1, it is characterized in that, described first antenna comprises the first Department of Radiation and the first feeding portion, described first Department of Radiation comprises the first vertical portion, second vertical portion and the first main body, described first vertical portion is connected with described substrate to downward-extension from an ending vertical of described first main body, the tie point of described first vertical portion and described substrate is the first fixed part, described second vertical portion is connected with described first feeding portion to downward-extension from another ending vertical of described first main body, the tie point of described second vertical portion and described first feeding portion is the first load point,
Described second antenna comprises the second Department of Radiation and the second feeding portion, described second Department of Radiation comprises the 3rd vertical portion, the 4th vertical portion and the second main body, described 3rd vertical portion is connected with described substrate to downward-extension from an ending vertical of described second main body, the tie point of described 3rd vertical portion and described substrate is the second fixed part, described 4th vertical portion is connected with described second feeding portion to downward-extension from another ending vertical of described second main body, and the tie point of described 4th vertical portion and described second feeding portion is the second load point.
6. multi-input/output antenna as claimed in claim 5, it is characterized in that, described first main body is also provided with the first disk, described first main body is wider than the width of its elsewhere in described first disk place, described second main body is also provided with the second disk, and described second main body is wider than the width of its elsewhere in described second disk place.
7. multi-input/output antenna as claimed in claim 5, it is characterized in that, described first fixed part and described second fixed part lay respectively at two relative edges of described substrate.
8. multi-input/output antenna as claimed in claim 5, it is characterized in that, described first fixed part, described second fixed part are L-type structure.
9. multi-input/output antenna as claimed in claim 5, it is characterized in that, described first vertical portion, described 3rd vertical portion are strip structure.
10. multi-input/output antenna as claimed in claim 5, it is characterized in that, described second vertical portion comprises:
First bar shaped portion, one end is connected to the first main body, and the other end is connected to the first load point;
First insertion section, one end is connected to the first bar shaped portion and the first load point, and the other end passes substrate and is welded in substrate back side;
Described 4th straight portion comprises:
Second bar shaped portion, one end is connected to the second main body, and the other end is connected to the second load point;
Second insertion section, one end is connected to the second bar shaped portion and the second load point, and the other end passes substrate and is welded in substrate back side.
11. multi-input/output antennas as claimed in claim 5, it is characterized in that, described first main body, described first vertical portion and described second vertical portion form a n shape structure, and described second main body, described 3rd vertical portion and described 4th vertical portion form a n shape structure.
12. multi-input/output antennas as claimed in claim 5, is characterized in that, the two ends of described isolation channel extend along the direction of described first main body, described second main body respectively, and the length of described isolation channel is less than the length of described bridge part.
13. multi-input/output antennas as claimed in claim 5, it is characterized in that, described bridge part comprises:
Rectangular portion;
First connecting portion, one end is connected to described rectangular portion, and the other end is connected to the first load point of described first antenna;
Second connecting portion, one end is connected to described rectangular portion, and the other end is connected to the second load point of the second antenna.
14. multi-input/output antennas as claimed in claim 13, it is characterized in that, described first connecting portion, the second connecting portion are L-type structure.
15. multi-input/output antennas as claimed in claim 13, it is characterized in that, the width that described first connecting portion is connected to described rectangular portion is wider than the width of the first load point being connected to described first antenna, and the width that described second connecting portion is connected to described rectangular portion is wider than the width of the second load point being connected to described second antenna.
16. multi-input/output antennas as claimed in claim 1, it is characterized in that, described isolation channel is the list structure being located at described substrate.
17. multi-input/output antennas as claimed in claim 1, is characterized in that, the length of described bridge part equals 1/2nd of the electromagnetic wavelength that described antenna transmission receives.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310467470.4A CN104577330B (en) | 2013-10-09 | 2013-10-09 | Multi-input/output antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310467470.4A CN104577330B (en) | 2013-10-09 | 2013-10-09 | Multi-input/output antenna |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104577330A true CN104577330A (en) | 2015-04-29 |
| CN104577330B CN104577330B (en) | 2018-02-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310467470.4A Active CN104577330B (en) | 2013-10-09 | 2013-10-09 | Multi-input/output antenna |
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| CN (1) | CN104577330B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107437655A (en) * | 2016-05-31 | 2017-12-05 | 松下知识产权经营株式会社 | Dielectric base plate and antenna assembly |
| CN109861000A (en) * | 2019-03-01 | 2019-06-07 | 深圳市信维通信股份有限公司 | Compact 5G mimo antenna system and mobile terminal |
| TWI790824B (en) * | 2021-11-18 | 2023-01-21 | 和碩聯合科技股份有限公司 | Three-dimensional antenna module |
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| CN101615719A (en) * | 2008-06-27 | 2009-12-30 | 华硕电脑股份有限公司 | Antenna assembly |
| JP2011077608A (en) * | 2009-09-29 | 2011-04-14 | Alps Electric Co Ltd | Antenna device |
| CN102110881A (en) * | 2009-12-25 | 2011-06-29 | 鸿富锦精密工业（深圳）有限公司 | Multi-band antenna |
| CN102280696A (en) * | 2011-04-28 | 2011-12-14 | 上海交通大学 | Half-wave transmission decoupling small-space microstrip array antenna |
| CN102544705A (en) * | 2010-11-23 | 2012-07-04 | 株式会社Mobitech | MIMO antenna having plurality of isolation adjustment portions |
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2013
- 2013-10-09 CN CN201310467470.4A patent/CN104577330B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101615719A (en) * | 2008-06-27 | 2009-12-30 | 华硕电脑股份有限公司 | Antenna assembly |
| JP2011077608A (en) * | 2009-09-29 | 2011-04-14 | Alps Electric Co Ltd | Antenna device |
| CN102110881A (en) * | 2009-12-25 | 2011-06-29 | 鸿富锦精密工业（深圳）有限公司 | Multi-band antenna |
| CN102544705A (en) * | 2010-11-23 | 2012-07-04 | 株式会社Mobitech | MIMO antenna having plurality of isolation adjustment portions |
| CN102280696A (en) * | 2011-04-28 | 2011-12-14 | 上海交通大学 | Half-wave transmission decoupling small-space microstrip array antenna |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107437655A (en) * | 2016-05-31 | 2017-12-05 | 松下知识产权经营株式会社 | Dielectric base plate and antenna assembly |
| CN107437655B (en) * | 2016-05-31 | 2021-01-12 | 松下知识产权经营株式会社 | Dielectric substrate and antenna device |
| CN109861000A (en) * | 2019-03-01 | 2019-06-07 | 深圳市信维通信股份有限公司 | Compact 5G mimo antenna system and mobile terminal |
| TWI790824B (en) * | 2021-11-18 | 2023-01-21 | 和碩聯合科技股份有限公司 | Three-dimensional antenna module |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104577330B (en) | 2018-02-13 |
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Effective date of registration: 20180224 Address after: 201613 Shanghai city south of Songjiang Export Processing Zone Road No. 1925 Patentee after: Ambit Microsystems (Shanghai) Ltd. Address before: 201613 Shanghai City, Songjiang District Songjiang Export Processing Zone South Road No. 1925 Co-patentee before: HON HAI PRECISION INDUSTRY Co.,Ltd. Patentee before: Ambit Microsystems (Shanghai) Ltd. |
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Effective date of registration: 20191111 Address after: Room 2, west of the second floor, No. 355, Huanbei West Road, Weitang street, Jiashan County, Jiaxing City, Zhejiang Province Patentee after: Jiashan Weitang Asset Management Co.,Ltd. Address before: 201613 Shanghai city south of Songjiang Export Processing Zone Road No. 1925 Patentee before: Ambit Microsystems (Shanghai) Ltd. |
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Denomination of invention: MIMO antenna Effective date of registration: 20210531 Granted publication date: 20180213 Pledgee: Weitang sub branch of Zhejiang Jiashan Rural Commercial Bank Co.,Ltd. Pledgor: Jiashan Weitang Asset Management Co.,Ltd. Registration number: Y2021980004130 |
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Date of cancellation: 20231018 Granted publication date: 20180213 Pledgee: Weitang sub branch of Zhejiang Jiashan Rural Commercial Bank Co.,Ltd. Pledgor: Jiashan Weitang Asset Management Co.,Ltd. Registration number: Y2021980004130 |
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Denomination of invention: Multiple input multiple output antenna Effective date of registration: 20231127 Granted publication date: 20180213 Pledgee: Weitang sub branch of Zhejiang Jiashan Rural Commercial Bank Co.,Ltd. Pledgor: Jiashan Weitang Asset Management Co.,Ltd. Registration number: Y2023330002807 |