CN105846080B - A kind of double-circle polarization wave beam control inclination non-array aperture antenna and its implementation - Google Patents
A kind of double-circle polarization wave beam control inclination non-array aperture antenna and its implementation Download PDFInfo
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- CN105846080B CN105846080B CN201610308379.1A CN201610308379A CN105846080B CN 105846080 B CN105846080 B CN 105846080B CN 201610308379 A CN201610308379 A CN 201610308379A CN 105846080 B CN105846080 B CN 105846080B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/22—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the orientation in accordance with variation of frequency of radiated wave
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/24—Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
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Abstract
The present invention provides a kind of double-circle polarization wave beam control inclination non-array aperture antenna, including substrate, support rod, support base and active antenna, the present invention also provides the implementation methods that a kind of double-circle polarization wave beam controls inclination non-array aperture antenna, compared with prior art, the present invention is with following the utility model has the advantages that can not be limited by mechanical structure, therefore very high scanning speed may be implemented, can control main beam and tilt lesser angle, therefore very high-precision deflection may be implemented.
Description
Technical field
The present invention is a kind of double-circle polarization wave beam control inclination non-array aperture antenna and its implementation.
Background technique
1) mechanical scanning realizes antenna main beam according to specific rule using the entire aerial mechanical mechanism of electrical motor driven
Dip sweeping, and difference in signal strength is obtained, the control signal source as driving antenna movement direction.Due to by aerial mechanical knot
Structure and own wt, motor turn the limitation such as beam and power, and project plan comparison is heavy, and scanning speed is lower, and precision is poor.
2) pulse scans, and obtains antenna attitude information using with poor antenna wave guide network, drives antenna.This mode essence
Degree is very high, but expensive, needs high-precision track receiver.
3) phase-array scanning, this method pass through the large number of and accurate radio-frequency receiving-transmitting assembly unit component group of array all day long
Line realizes scanning beam by controlling the phase amplitude of discrete cell.This mode can form multiple scanning beams, still
Cost is extremely expensive.
Summary of the invention
In view of the deficienciess of the prior art, it is an object of the present invention to provide a kind of double-circle polarization wave beams to control inclination non-array
Aperture antenna and its implementation, to solve the problems mentioned in the above background technology, the present invention are easy to use, convenient for operating,
Stability is good, high reliablity.
To achieve the goals above, the present invention is to realize by the following technical solutions: a kind of double-circle polarization wave beam control
System inclination non-array aperture antenna, including support rod, support base and active antenna, the active antenna are installed by support rod
On support base, the active antenna is mainly by substrate, aperture antenna, radiator one, radiator two, radiator three and radiation
Device four is constituted, and the aperture antenna is mounted on the inside of substrate, fixation hole is offered on the substrate, is pacified on the radiator one
Equipped with connecting terminal, the connecting terminal is internally provided with pin one, pin two, pin three and pin four；
The radiator one, radiator two, radiator three and four circumference of radiator are symmetrical, and distribution radius is bore
The radius of antenna insulate between radiator one, radiator two, radiator three and radiator four and aperture antenna, the support
Bar connects active antenna through fixation hole, and the active antenna is realized and being fixedly connected between support rod by fixation hole；
A kind of implementation method of double-circle polarization wave beam control inclination non-array aperture antenna, comprising the following steps:
Step 1, the pin one of connecting terminal, pin two, pin three and pin four connect radiator one, radiator two,
Radiator three and radiator four, voltage signal pass through connecting terminal excitation radiation device one, radiator two, radiator three and spoke
Emitter four, at the t0 moment, pin one, pin two, pin three and the pin four of connecting terminal are all without voltage signal, radiator
One, radiator two, radiator three and radiator four are unexcited, not to the radiation field and table on bore aperture antenna face
Surface current has an impact, and the main beam direction of aperture antenna is perpendicular to bore face, does not deflect；
Step 2 begins with voltage signal on the pin one of connecting terminal at the t1 moment, pin two, pin three and
Pin four does not have voltage signal, at this point, the radiator connecting with pin one works at the beginning, and pin two, pin three and draws
Radiator two, radiator three and the radiator four that foot four connects are unexcited, after radiator one works, to adjacent domain
Aperture antenna part surface current intensity and field distribution have an impact and make its decrease, and neighbouring radiator two, radiator three and
The surface current intensity of the aperture antenna part of radiator four and field distribution do not change, at this point, the master of the aperture antenna at t1 moment
Wave beam is deflected due to the variation of aperture antenna surface current and field distribution, the direction of deflection and the spoke for being applied voltage signal
Biased direction of the emitter one near aperture antenna is opposite；
Step 3 begins with voltage signal on the pin two of connecting terminal at the t2 moment, pin one, pin three and
Pin four does not have voltage signal, at this point, two radiating antenna of radiator connecting with pin two is started to work, with pin one, pin
Three and pin four radiator one, radiator three, the radiator four that connect it is unexcited, after radiator two works, to neighbouring
The aperture antenna part surface current intensity in region and field distribution have an impact and make its decrease, and adjacent to radiator one, radiator
Three, the surface current intensity of the aperture antenna part of radiator four and field distribution do not change, at this point, the aperture antenna at t2 moment
Main beam is deflected due to the variation of aperture antenna surface current and field distribution, the direction of deflection and is applied voltage signal
Biased direction of the radiator two near aperture antenna is opposite；
Step 4 begins with voltage signal on the pin three of connecting terminal at the t3 moment, pin one, pin two and
Pin four does not have voltage signal, at this point, the start-up operation of radiator three connect with pin three, and pin one, pin two and draws
Radiator one, radiator two and the radiator four that foot four connects are unexcited, after radiator three works, to adjacent domain
Aperture antenna part surface current intensity and field distribution have an impact and make its decrease, and neighbouring radiator one, radiator two and
The surface current intensity of the aperture antenna part of radiator four and field distribution do not change, at this point, the master of the aperture antenna at t3 moment
Wave beam is deflected due to the variation of aperture antenna surface current and field distribution, the direction of deflection and the spoke for being applied voltage signal
Biased direction of the emitter three near aperture antenna is opposite；
Step 5 begins with voltage signal on the pin four of connecting terminal at the t4 moment, pin one, pin two and
Pin three does not have voltage signal, at this point, the start-up operation of radiator four connect with pin four, and pin one, pin two and draws
Radiator one, radiator two and the radiator three that foot three connects are unexcited, after radiator four works, to adjacent domain
Aperture antenna part surface current intensity and field distribution have an impact and make its decrease, and neighbouring radiator one, radiator two and
The surface current intensity of the aperture antenna part of radiator three and field distribution do not change, at this point, the master of the aperture antenna at t4 moment
Wave beam is deflected due to the variation of aperture antenna surface current and field distribution, the direction of deflection and the spoke for being applied voltage signal
Biased direction of the emitter four near aperture antenna is opposite.
Further, the relative height differential at the substrate and aperture antenna edge is taken as ± 10mm.
Further, the connecting terminal connects radiator one by pin one, and the connecting terminal is connected by pin two
Radiator two is connect, the connecting terminal connects radiator three by pin three, and the connecting terminal passes through the connection radiation of pin four
Device four.
A kind of beneficial effects of the present invention: double-circle polarization wave beam control inclination non-array aperture antenna of the invention and in fact
Existing method, the present invention realize main beam inclination by the frequency of setting active antenna, can not be limited by mechanical structure, therefore
Very high scanning beam degree may be implemented, can control main beam and tilt lesser angle, therefore may be implemented very high-precision inclined
Turn.
The invention has the following advantages that
1) scanning speed is fast, according to specific kinetic characteristic, road conditions or the sea situation of carrier platform, by setting active antenna
Frequency.In limit of power, high scanning beam degree may be implemented.In the case of model machine 10Mhz dominant frequency of the present invention, Ke Yishi
Existing 100-200 hertz of scanning beam degree, realizes tenacious tracking.
2) tracking accuracy is high, and the present invention realizes slant beam scanning, and 0.1 degree of tracking accuracy may be implemented.Pass through design
The paster antenna of specific dimensions realizes the control to main beam tilt angle.According to specific product require and tilt angle demand,
Specific design paster antenna.
3) low in cost, the present invention realizes beam scanning, does not need motor and bascule part, is also not required to additional fragrance
And amplitude control module, do not need expensive high precision tracking receiver yet.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention,
Objects and advantages will become more apparent upon:
Fig. 1 is a kind of mounting structure schematic diagram of double-circle polarization wave beam control inclination non-array aperture antenna of the present invention；
Fig. 2 is enlarged drawing at a kind of A of double-circle polarization wave beam control inclination non-array aperture antenna of the present invention；
Fig. 3 is a kind of active antenna structural representation of double-circle polarization wave beam control inclination non-array aperture antenna of the present invention
Figure；
Fig. 4 is a kind of active antenna top view of double-circle polarization wave beam control inclination non-array aperture antenna of the present invention；
Fig. 5 is enlarged drawing at a kind of B of double-circle polarization wave beam control inclination non-array aperture antenna of the present invention；
In figure: 1- fixation hole, 2- substrate, 3- connecting terminal, 4- support rod, 5- support base, 6- aperture antenna, 7- radiator
One, 8- radiator two, 9- radiator three, 10- radiator four, 11- pin one, 12- pin two, 13- pin three, 14- pin four.
Specific embodiment
To be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, below with reference to
Specific embodiment, the present invention is further explained.
Fig. 1 to Fig. 5 is please referred to, the present invention provides a kind of technical solution: a kind of double-circle polarization wave beam control inclination non-array
Aperture antenna, including support rod 4, support base 5 and active antenna, active antenna are mounted on 5 on support base by support rod 4,
Active antenna is mainly by substrate 2, aperture antenna 6, radiator 1,4 10 structure of radiator 28, radiator 39 and radiator
At aperture antenna 6 is mounted on the inside of substrate 2, and fixation hole 1 is offered on substrate 2, is equipped with connecting terminal on radiator 1
3, connecting terminal 3 is internally provided with pin 1, pin 2 12, pin 3 13 and pin 4 14.
Radiator 1, radiator 28, radiator 39 and 4 10 circumference of radiator are symmetrical, and distribution radius is mouth
The radius of diameter antenna 6 insulate between radiator 1, radiator 28, radiator 39 and radiator 4 10 and aperture antenna 6,
Support rod 4 connects active antenna through fixation hole, and active antenna is realized and being fixedly connected between support rod by fixation hole.
A kind of implementation method of double-circle polarization wave beam control inclination non-array aperture antenna, comprising the following steps:
Step 1, pin 1, pin 2 12, pin 3 13 and the pin 4 14 of connecting terminal 3 connect radiator one
7, radiator 28, radiator 39 and radiator 4 10, voltage signal pass through 3 excitation radiation device 1 of connecting terminal, radiator
28, radiator 39 and radiator 4 10, at the t0 moment, the pin 1 of connecting terminal 3, pin 2 12, pin 3 13 with
And pin 4 14, all without voltage signal, radiator 1, radiator 28, radiator 39 and radiator 4 10 are not swashed
It encourages, the radiation field on 6 bore face of aperture antenna is not had an impact with surface current, the main beam direction of aperture antenna 6 is
Perpendicular to bore face, do not deflect；
Step 2 begins with voltage signal, pin 2 12, pin three on the pin 1 of connecting terminal 3 at the t1 moment
13 and pin 4 14 do not have voltage signal, at this point, connect with pin 1 radiator 1 start-up operation, with pin 2 12,
Radiator 28, radiator 39 and the radiator 4 10 that pin 3 13 and pin 4 14 connect are unexcited, radiator
After one 7 work, the 6 part surface current intensity of aperture antenna of adjacent domain and field distribution are had an impact and make its decrease, and it is adjacent
The surface current intensity of 6 part of aperture antenna of nearly radiator 28, radiator 39 and radiator 4 10 and field distribution do not become
Change, at this point, the main beam of the aperture antenna 6 at t1 moment is deflected due to the variation of aperture antenna 6 surface current and field distribution,
The direction of deflection is opposite with biased direction of the radiator 1 of voltage signal near aperture antenna 6 is applied；
Step 3 begins with voltage signal, pin 1, pin three on the pin 2 12 of connecting terminal 3 at the t2 moment
13 and pin 4 14 do not have voltage signal, at this point, connect with pin 2 12 28 radiating antenna of radiator start-up operation, with
Radiator 1, radiator 39, the radiator 4 10 of pin 1, pin 3 13 and the connection of pin 4 14 are unexcited,
After radiator 28 works, the 6 part surface current intensity of aperture antenna of adjacent domain and field distribution are had an impact and subtract it
It is weak, and the surface current intensity of 6 part of aperture antenna of neighbouring radiator 1, radiator 39, radiator 4 10 and field distribution do not have
It changes, at this point, variation of the main beam of the aperture antenna 6 at t2 moment due to aperture antenna 6 surface current and field distribution, occurs inclined
Turn, the direction of deflection is opposite with biased direction of the radiator 28 of voltage signal near aperture antenna 6 is applied；
Step 4 begins with voltage signal, pin 1, pin two on the pin 3 13 of connecting terminal 3 at the t3 moment
12 and pin 4 14 do not have voltage signal, at this point, connect with pin 3 13 radiator 39 start-up operation, with pin 1,
Radiator 1, radiator 28 and the radiator 4 10 that pin 2 12 and pin 4 14 connect are unexcited, radiator
After 39 work, the 6 part surface current intensity of aperture antenna of adjacent domain and field distribution are had an impact and make its decrease, and it is adjacent
The surface current intensity of 6 part of aperture antenna of nearly radiator 1, radiator 28 and radiator 4 10 and field distribution do not become
Change, at this point, the main beam of the aperture antenna 6 at t3 moment is deflected due to the variation of aperture antenna 6 surface current and field distribution,
The direction of deflection is opposite with biased direction of the radiator 39 of voltage signal near aperture antenna 6 is applied；
Step 5 begins with voltage signal, pin 1, pin two on the pin 4 14 of connecting terminal 3 at the t4 moment
12 and pin 3 13 do not have voltage signal, at this point, connect with pin 4 14 radiator 4 10 start-up operation, with pin one
11, radiator 1, radiator 28 and the radiator 39 that pin 2 12 and pin 3 13 connect are unexcited, radiation
After device 4 10 works, its decrease is had an impact and makes to the 6 part surface current intensity of aperture antenna of adjacent domain and field distribution, and
The surface current intensity of 6 part of aperture antenna of neighbouring radiator 1, radiator 28 and radiator 39 and field distribution do not become
Change, at this point, the main beam of the aperture antenna 6 at t4 moment is deflected due to the variation of aperture antenna 6 surface current and field distribution,
The direction of deflection is opposite with biased direction of the radiator 4 10 of voltage signal near aperture antenna 6 is applied.
The relative height differential at 6 edge of substrate 2 and aperture antenna is taken as ± 10mm.
Connecting terminal 3 connects radiator 1 by pin 1, and connecting terminal 3 connects radiator two by pin 2 12
8, connecting terminal 3 connects radiator 39 by pin 3 13, and connecting terminal 3 connects radiator 4 10 by pin 4 14.
The present invention motivates paster antenna due to using chip controls, controls radiation by the connecting terminal 3 of active antenna
The working condition of device 1, radiator 28, radiator 39 and radiator 4 10 realizes main beam inclination, can not be by machinery
The limitation of structure, therefore very high scanning beam degree may be implemented.The present invention designs corresponding antenna according to specific aperture antenna, can
Lesser angle is tilted to control main beam, therefore very high-precision deflection may be implemented.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention, for this field skill
For art personnel, it is clear that invention is not limited to the details of the above exemplary embodiments, and without departing substantially from spirit of the invention or
In the case where essential characteristic, the present invention can be realized in other specific forms.Therefore, in all respects, should all incite somebody to action
Embodiment regards exemplary as, and is non-limiting, the scope of the present invention by appended claims rather than on state
Bright restriction, it is intended that including all changes that fall within the meaning and scope of the equivalent elements of the claims in the present invention
It is interior.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (4)
1. a kind of double-circle polarization wave beam control inclination non-array aperture antenna, including support rod, support base and active antenna,
Be characterized in that: the active antenna is mounted on support base by support rod, and the active antenna is mainly by substrate, bore day
Line, radiator one, radiator two, radiator three and radiator four are constituted, and the aperture antenna is mounted on the inside of substrate, institute
It states and offers fixation hole on substrate, connecting terminal is installed on the radiator one, the connecting terminal is internally provided with pin
One, pin two, pin three and pin four；
The radiator one, radiator two, radiator three and four circumference of radiator are symmetrical, and distribution radius is aperture antenna
Radius, insulate between the radiator one, radiator two, radiator three and radiator four and aperture antenna, the support
Bar connects active antenna through fixation hole, and the active antenna is connect by fixation hole realization and being fixedly connected between support rod
Pin one, pin two, pin three and the pin four of line terminals connect radiator one, radiator two, radiator three and radiation
Device four.
2. a kind of double-circle polarization wave beam control inclination non-array aperture antenna according to claim 1, it is characterised in that: institute
The relative height differential for stating substrate and aperture antenna edge is taken as ± 10mm.
3. a kind of double-circle polarization wave beam control inclination non-array aperture antenna according to claim 1, it is characterised in that: institute
It states connecting terminal and radiator one is connected by pin one, the connecting terminal connects radiator two, the wiring by pin two
Terminal connects radiator three by pin three, and the connecting terminal connects radiator four by pin four.
4. a kind of implementation method of double-circle polarization wave beam control inclination non-array aperture antenna, it is characterised in that: including following step
It is rapid:
Step 1, pin one, pin two, pin three and the pin four of connecting terminal connect radiator one, radiator two, radiation
Device three and radiator four, voltage signal pass through connecting terminal excitation radiation device one, radiator two, radiator three and radiator
Four, at the t0 moment, pin one, pin two, pin three and the pin four of connecting terminal all without voltage signal, radiator one,
Radiator two, radiator three and radiator four are unexcited, not on bore aperture antenna face radiation field and surface
Electric current has an impact, and the main beam direction of aperture antenna is perpendicular to bore face, does not deflect；
Step 2 begins with voltage signal, pin two, pin three and pin on the pin one of connecting terminal at the t1 moment
Four do not have voltage signal, at this point, the radiator connecting with pin one works at the beginning, with pin two, pin three and pin four
The radiator two of connection, radiator three and radiator four are unexcited, after radiator one works, to the bore of adjacent domain
Antenna part surface current intensity and field distribution have an impact and make its decrease, and adjacent to radiator two, radiator three and radiation
The surface current intensity of the aperture antenna part of device four and field distribution do not change, at this point, the main beam of the aperture antenna at t1 moment
Due to the variation of aperture antenna surface current and field distribution, deflect, the direction of deflection and the radiator for being applied voltage signal
One biased direction near aperture antenna is opposite；
Step 3 begins with voltage signal, pin one, pin three and pin on the pin two of connecting terminal at the t2 moment
Four do not have voltage signal, at this point, connect with pin two two radiating antenna of radiator start-up operation, with pin one, pin three with
And radiator one, radiator three, the radiator four that pin four connects are unexcited, after radiator two works, to adjacent domain
Aperture antenna part surface current intensity and field distribution have an impact and make its decrease, and neighbouring radiator one, radiator three, spoke
The surface current intensity of the aperture antenna part of emitter four and field distribution do not change, at this point, the main wave of the aperture antenna at t2 moment
Beam is deflected due to the variation of aperture antenna surface current and field distribution, the direction of deflection and the radiation for being applied voltage signal
Biased direction of the device two near aperture antenna is opposite；
Step 4 begins with voltage signal, pin one, pin two and pin on the pin three of connecting terminal at the t3 moment
Four do not have voltage signal, at this point, the radiator three connecting with pin three is started to work, with pin one, pin two and pin four
The radiator one of connection, radiator two and radiator four are unexcited, after radiator three works, to the bore of adjacent domain
Antenna part surface current intensity and field distribution have an impact and make its decrease, and adjacent to radiator one, radiator two and radiation
The surface current intensity of the aperture antenna part of device four and field distribution do not change, at this point, the main beam of the aperture antenna at t3 moment
Due to the variation of aperture antenna surface current and field distribution, deflect, the direction of deflection and the radiator for being applied voltage signal
Three biased directions near aperture antenna is opposite；
Step 5 begins with voltage signal, pin one, pin two and pin on the pin four of connecting terminal at the t4 moment
Three do not have voltage signal, at this point, the radiator four connecting with pin four is started to work, with pin one, pin two and pin three
The radiator one of connection, radiator two and radiator three are unexcited, after radiator four works, to the bore of adjacent domain
Antenna part surface current intensity and field distribution have an impact and make its decrease, and adjacent to radiator one, radiator two and radiation
The surface current intensity of the aperture antenna part of device three and field distribution do not change, at this point, the main beam of the aperture antenna at t4 moment
Due to the variation of aperture antenna surface current and field distribution, deflect, the direction of deflection and the radiator for being applied voltage signal
Four biased directions near aperture antenna is opposite.
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| CN201610308379.1A CN105846080B (en) | 2016-05-11 | 2016-05-11 | A kind of double-circle polarization wave beam control inclination non-array aperture antenna and its implementation |
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| CN101273491A (en) * | 2005-07-12 | 2008-09-24 | 欧洲Gnss监督管理局 | Multi-band antenna for satellite positioning system |
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| CN101881972A (en) * | 2009-05-06 | 2010-11-10 | 北京中星讯达科技有限公司 | Method for controlling moving carrier satellite antenna receiving and tracking system |
| US20130278457A1 (en) * | 2012-04-23 | 2013-10-24 | Honda Elesys Co., Ltd. | Direction detection apparatus, direction detection method, and direction detection program |
| CN205583144U (en) * | 2016-05-11 | 2016-09-14 | 海中信（北京）卫星通信股份公司 | Non - array aperture antenna of two circular polarized wave beam control systems slope |
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2016
- 2016-05-11 CN CN201610308379.1A patent/CN105846080B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101273491A (en) * | 2005-07-12 | 2008-09-24 | 欧洲Gnss监督管理局 | Multi-band antenna for satellite positioning system |
| US20100194386A1 (en) * | 2007-07-20 | 2010-08-05 | Koninklijke Philips Electronics N.V. | Magnetic sensor device |
| CN101881972A (en) * | 2009-05-06 | 2010-11-10 | 北京中星讯达科技有限公司 | Method for controlling moving carrier satellite antenna receiving and tracking system |
| US20130278457A1 (en) * | 2012-04-23 | 2013-10-24 | Honda Elesys Co., Ltd. | Direction detection apparatus, direction detection method, and direction detection program |
| CN205583144U (en) * | 2016-05-11 | 2016-09-14 | 海中信（北京）卫星通信股份公司 | Non - array aperture antenna of two circular polarized wave beam control systems slope |
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Denomination of invention: Double circular polarized wave beam control inclination non-array aperture antenna and realization method thereof Effective date of registration: 20200428 Granted publication date: 20190514 Pledgee: Bank of Jiangsu, Limited by Share Ltd, Taishan Nanjing road subbranch Pledgor: NANJING KEYIDEA INFORMATION TECHNOLOGY Co.,Ltd. Registration number: Y2020980001887 |
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Address after: 210012 No. 168 software Avenue, Yuhuatai District, Nanjing, Jiangsu province (D01 4, D area, Yun He software outsourcing park) Patentee after: Kairui Xingtong information technology (Nanjing) Co.,Ltd. Address before: 210012 No. 168 software Avenue, Yuhuatai District, Nanjing, Jiangsu province (D01 4, D area, Yun He software outsourcing park) Patentee before: NANJING KEYIDEA INFORMATION TECHNOLOGY Co.,Ltd. |
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Date of cancellation: 20210630 Granted publication date: 20190514 Pledgee: Bank of Jiangsu Limited by Share Ltd. Taishan Nanjing road subbranch Pledgor: NANJING KEYIDEA INFORMATION TECHNOLOGY Co.,Ltd. Registration number: Y2020980001887 |
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