Patents by Inventor Qingchen Chu

Qingchen Chu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11205836
    Abstract: An antenna array module includes at least two antenna units mounted on a surface of a feed network circuit board with two power division circuits, and a filter mounted on a surface of the feed network circuit board with two coupling circuits. Each power division circuit includes an input end and a plurality of output ends. One power division circuit feeds an antenna unit for ?45° polarization, and the other power division circuit feeds an antenna unit for +45° polarization. Each coupling circuit includes a radio frequency input end and an output end, and the output end of the coupling circuit is electrically connected to the input end of the power division circuit. The filter includes at least two output ends that are electrically connected to the radio frequency input end of the coupling circuit. A base station antenna includes a mounting structure and a connection structure.
    Type: Grant
    Filed: September 7, 2017
    Date of Patent: December 21, 2021
    Assignee: TONGYU COMMUNICATION INC.
    Inventors: Qingchen Chu, Mulin Liu, Zhonglin Wu, Wei Zhao, Wenlan Wang, Zhuofeng Gao, Lidong Zhang
  • Patent number: 11108138
    Abstract: An antenna system includes: a radiating sheet provided with an elastic first fixing portion; an insulating bracket including a bracket body, and mounting portions, a second fixing portion and a first assembling portion; coupling circuit sheets, each of which is provided with a coupling circuit at a single side thereof and fixed in a slide rail of the mounting portion in such a manner that a feeding pin at a bottom of the coupling circuit sheet extends out of the one mounting portion; and a feeding network circuit board. In the antenna system and an assembly method thereof, and a base station array antenna, there is various one-time fixing structures, which makes the assembly to be simple and efficient, and there are few feeding welding points, which is suitable for automatic production.
    Type: Grant
    Filed: August 19, 2020
    Date of Patent: August 31, 2021
    Assignee: AAC Technologies Pte. Ltd.
    Inventors: Qingchen Chu, Li Han, Yuehua Yue
  • Patent number: 11024978
    Abstract: An antenna includes an antenna body, a feeding network board screw-connected to the antenna body, and a feeding spring pin connecting the coupling feeding branch with a feeding network of the feeding network board. The antenna body includes a plastic bracket, an antenna radiating sheet provided on a top of the plastic bracket, and a coupling feeding branch provided on a side portion of the plastic bracket. The plastic bracket is formed into one piece, the antenna radiating sheet and the coupling feeding branch are spaced apart from and coupled with each other. The antenna of the present invention has good consistency, high reliability, is easy to assemble without welding, and has a simple overall structure, low cost and small size, and can be used for 5G large-scale antenna array deployment.
    Type: Grant
    Filed: August 19, 2020
    Date of Patent: June 1, 2021
    Assignee: AAC Technologies Pte. Ltd.
    Inventors: Jianchuan Liu, Yuehua Yue, Qingchen Chu
  • Patent number: 10886634
    Abstract: A filter feeding network, including a dielectric substrate, where a surface of the dielectric substrate's one side is provided a microstrip line, and a surface of the dielectric substrate's other side is provided with a metal ground; the microstrip line includes first and second power division circuits, and first and second filter circuits; an input and output end of the first filter circuit are respectively connected to the first power division circuit's input and output end correspondingly, the second filter circuit's input and output end are respectively connected to the second power division circuit's input and output end correspondingly, and the input end of the first filter circuit and second filter circuit are in conduction with the metal ground; and first and second power division circuit's output end feeds at least two array antenna units for ?45° polarization and +45° polarization respectively.
    Type: Grant
    Filed: November 11, 2016
    Date of Patent: January 5, 2021
    Assignee: TONGYU COMMUNICATION INC.
    Inventors: Wei Zhao, Zhuofeng Gao, Xiangxi Yao, Wenlan Wang, Mulin Liu, Samb Doudou, Qingchen Chu, Bin Wang
  • Publication number: 20200411963
    Abstract: An radiating device includes a vibrator radiator; a supporting plate parallel to and spaced apart from the vibrator radiator; a vibrator support provided between the vibrator radiator and the supporting plate; four vibrator radiating wires; and two differential feeding wires. The vibrator support includes an annular body and four supporting tabs extending outward from an outer periphery of the body and equally distributed in a circumference of the body. The supporting tab is perpendicularly connected to the supporting plate. Each differential feeding wire includes a differential feeding port and two feeding output ports that are respectively connected to two vibrator radiating wires that are not adjacent in the circumference of the body. The vibrator radiator, the supporting plate, the vibrator support, the vibrator radiating wire, and the differential feeding wire are manufactured separately and then assembled together, which simplifies the assembly and reduces assembly cost.
    Type: Application
    Filed: August 13, 2020
    Publication date: December 31, 2020
    Inventors: Li Han, Qingchen Chu, Hua Jiang
  • Publication number: 20200411968
    Abstract: An antenna system includes: a radiating sheet provided with an elastic first fixing portion; an insulating bracket including a bracket body, and mounting portions, a second fixing portion and a first assembling portion; coupling circuit sheets, each of which is provided with a coupling circuit at a single side thereof and fixed in a slide rail of the mounting portion in such a manner that a feeding pin at a bottom of the coupling circuit sheet extends out of the one mounting portion; and a feeding network circuit board. In the antenna system and an assembly method thereof, and a base station array antenna, there is various one-time fixing structures, which makes the assembly to be simple and efficient, and there are few feeding welding points, which is suitable for automatic production.
    Type: Application
    Filed: August 19, 2020
    Publication date: December 31, 2020
    Inventors: Qingchen Chu, Li Han, Yuehua Yue
  • Publication number: 20200412013
    Abstract: An antenna includes an antenna body, a feeding network board screw-connected to the antenna body, and a feeding spring pin connecting the coupling feeding branch with a feeding network of the feeding network board. The antenna body includes a plastic bracket, an antenna radiating sheet provided on a top of the plastic bracket, and a coupling feeding branch provided on a side portion of the plastic bracket. The plastic bracket is formed into one piece, the antenna radiating sheet and the coupling feeding branch are spaced apart from and coupled with each other. The antenna of the present invention has good consistency, high reliability, is easy to assemble without welding, and has a simple overall structure, low cost and small size, and can be used for 5G large-scale antenna array deployment.
    Type: Application
    Filed: August 19, 2020
    Publication date: December 31, 2020
    Inventors: Jianchuan Liu, Yuehua Yue, Qingchen Chu
  • Publication number: 20200412008
    Abstract: The antenna device includes first and second metal plates; parasitic posts each having one end electrically connected to the first metal plate and the other end in no electrical connection; four feeding posts each having one end electrically connected to the first metal plate; and a feeding plate provided with two differential feeding ports each electrically connected to two feeding posts. A straight line connecting connection points at which the two feeding posts corresponding to one differential feeding port are connected to the first metal plate, is orthogonal to a straight line connecting connection points at which the two feeding posts corresponding to the other one differential feeding port are connected to the first metal plate, to allow the antenna device to generate orthogonal polarization. The antenna device has a small diameter and a low height to allow the antenna to be conformal to a carrier in limited space.
    Type: Application
    Filed: August 19, 2020
    Publication date: December 31, 2020
    Inventors: Jianchuan Liu, Yuehua Yue, Qingchen Chu
  • Publication number: 20200412010
    Abstract: A lightweight antenna unit and an assembly method therefor, and an array antenna are provided. The antenna unit includes: a radiating sheet including elastic first fixing portions; an insulating bracket including a bracket body, mounting portions, and second fixing portions and first assembling portions that are respectively provided at top and bottom of the bracket body; feeding sheets received in the mounting portion in such a manner that a feeding pin at bottom of the feeding sheet extends out of the mounting portion; and a feeding network circuit board including second assembling portions fixedly cooperating with the first assembling portions to mount the insulating bracket to it. The first and second fixing portions cooperate to mount the radiating sheet to the insulating bracket. The lightweight antenna unit and the array antenna reduce cost, have few welding points and good assembly consistency, and are suitable for automated production.
    Type: Application
    Filed: August 19, 2020
    Publication date: December 31, 2020
    Inventors: Qingchen Chu, Lulong Li, Yuehua Yue, Shuming Li, Hongjun Wang
  • Publication number: 20200411965
    Abstract: A wireless access device includes a shell, a processing assembly, an antenna assembly, and a deflector. A side plate of the shell is provided with an air inlet hole. A bottom plate of the shell is provided with an air outlet hole. The processing assembly is arranged on the bottom plate and forms a gap with the side plate. The deflector is disposed in the shell and located above the processing assembly. An end surface of an end of the deflector is an inclined surface, and a spacing between the inclined surface and the side plate gradually increases from top to bottom, which can achieve better heat dissipation of the processing assembly through guidance of the deflector to the wind. The wireless access device provided by the present invention also has characteristic of simple structure and convenient production and manufacturing.
    Type: Application
    Filed: August 14, 2020
    Publication date: December 31, 2020
    Inventors: Qingchen Chu, Hongjun Wang, Lei Zheng, Yuehua Yue
  • Patent number: 10826625
    Abstract: An antenna calibration network system, an antenna calibration network and a MIMO antenna are provided, and the antenna calibration network system includes a substrate, directional coupler groups provided on the substrate and arranged in a horizontal direction, and a multi-stage combiner network provided at front ends of the directional coupler groups. A parallel coupled line of each directional coupler extends along a horizontal direction. The multi-stage combiner network includes first-stage combiners arranged at one side of the directional coupler groups, and second-stage combiners cascaded with the first-stage combiner and passing between the two directional coupler groups corresponding to the two first-stage combiners to the other side of the plurality of the directional coupler groups. A space utilization rate of the calibration network board can be improved, a size of the calibration network board can be reduced, and antenna cost can be reduced.
    Type: Grant
    Filed: August 14, 2020
    Date of Patent: November 3, 2020
    Assignee: AAC Technologies Pte. Ltd.
    Inventors: Qingchen Chu, Li Han, Yuehua Yue
  • Publication number: 20200313285
    Abstract: An antenna array module includes at least two antenna units mounted on a surface of a feed network circuit board with two power division circuits, and a filter mounted on a surface of the feed network circuit board with two coupling circuits. Each power division circuit includes an input end and a plurality of output ends. One power division circuit feeds an antenna unit for ?45° polarization, and the other power division circuit feeds an antenna unit for +45° polarization. Each coupling circuit includes a radio frequency input end and an output end, and the output end of the coupling circuit is electrically connected to the input end of the power division circuit. The filter includes at least two output ends that are electrically connected to the radio frequency input end of the coupling circuit. A base station antenna includes a mounting structure and a connection structure.
    Type: Application
    Filed: September 7, 2017
    Publication date: October 1, 2020
    Applicant: TONGYU COMMUNICATION INC.
    Inventors: Qingchen CHU, Mulin LIU, Zhonglin WU, Wei ZHAO, Wenlan WANG, Zhuofeng GAO, Lidong ZHANG
  • Publication number: 20190207325
    Abstract: A filter feeding network, including a dielectric substrate, where a surface of the dielectric substrate's one side is provided a microstrip line, and a surface of the dielectric substrate's other side is provided with a metal ground; the microstrip line includes first and second power division circuits, and first and second filter circuits; an input and output end of the first filter circuit are respectively connected to the first power division circuit's input and output end correspondingly, the second filter circuit's input and output end are respectively connected to the second power division circuit's input and output end correspondingly, and the input end of the first filter circuit and second filter circuit are in conduction with the metal ground; and first and second power division circuit's output end feeds at least two array antenna units for ?45° polarization and +45° polarization respectively.
    Type: Application
    Filed: November 11, 2016
    Publication date: July 4, 2019
    Applicant: TONGYU COMMUNICATION INC.
    Inventors: Wei ZHAO, Zhuofeng GAO, Xiangxi YAO, Wenlan WANG, Mulin LIU, Samb DOUDOU, Qingchen CHU, Bin WANG
  • Patent number: 7590228
    Abstract: A general charging method includes establishing a charging strategy and performing the charging according to the charging strategy. The charging strategy includes at least one priority each of which includes at least one time period and each of the time periods is provided at least one rate segment in each of which there is at least one rate. Performing the charging includes: matching with a corresponding charging strategy upon the time a subscriber uses a service and/or the subscriber's current resource, and determining a charging mode; searching for a corresponding priority; performing the charging according to the charging mode. With such a structure of general charging strategy, the method can satisfy various charging demands and provide generality and adequate expansibility. Also, the method enables subscribers to configure different charging methods as necessary.
    Type: Grant
    Filed: November 8, 2007
    Date of Patent: September 15, 2009
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Zhijian Lu, Xin Zhang, Xiaozheng Guo, Qingchen Chu, Youkun Chen
  • Patent number: 7526075
    Abstract: A method for realizing charging includes setting up mapping relation between service attribute and charging rule acquiring service attribute of the to-be-charged service when it is demanded to charge the to-be-charged service acquiring charging rule of the to-be-charged service according to service attribute of the to-be-charged service, and charging the to-be-charged service according to the acquired charging rule. Also disclosed is a charging system having an acquiring charging rule module and charging processing module. When it is demanded to develop new services or modify charging rules of original services, it can be fulfilled by modifying the service information provided for charging processing module accordingly, thus charging requirements of various services can be satisfied. Charging processing module of charging system is independent of services, so that cost of charging system is reduced, and stability, reliability and versatility of charging system are improved.
    Type: Grant
    Filed: July 30, 2004
    Date of Patent: April 28, 2009
    Assignee: Huawei Technologies Co., Ltd
    Inventors: Xiaozheng Guo, Zhijian Lu, Xin Zhang, Qingchen Chu, Youkun Chen
  • Publication number: 20080065571
    Abstract: A general charging method includes establishing a charging strategy and performing the charging according to the charging strategy. The charging strategy includes at least one priority each of which includes at least one time period and each of the time periods is provided at least one rate segment in each of which there is at least one rate. Performing the charging includes: matching with a corresponding charging strategy upon the time a subscriber uses a service and/or the subscriber's current resource, and determining a charging mode; searching for a corresponding priority; performing the charging according to the charging mode. With such a structure of general charging strategy, the method can satisfy various charging demands and provide generality and adequate expansibility. Also, the method enables subscribers to configure different charging methods as necessary.
    Type: Application
    Filed: November 8, 2007
    Publication date: March 13, 2008
    Applicant: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Zhijian LU, Xin ZHANG, XiaoZheng GUO, Qingchen CHU, Youkun CHEN
  • Patent number: 7313230
    Abstract: The present invention provides a general charging method applicable to a charging system in the communication field, comprising steps of establishing a charging strategy and performing the charging based upon the charging strategy. The charging strategy comprises a plurality of priorities each of which comprises a plurality of periods of time, and each of the periods of time corresponds to a type of rate segmentation and is provided a plurality of rate segments in each of which there are a plurality of rates. The step of performing the charging comprises steps of: searching for the highest priority in the charging strategy; searching for a corresponding period of time in the priority based upon the time a subscriber uses a service, and if found, performing the charging based upon the rate segments in the period of time; when the charging has been completed or the priorities have been searched through, and if there is any usage quantity that can't be charged, recording it and terminating the charging.
    Type: Grant
    Filed: December 31, 2003
    Date of Patent: December 25, 2007
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Zhijian Lu, Xin Zhang, Xiaozheng Guo, Qingchen Chu, Youkun Chen
  • Publication number: 20070274481
    Abstract: A method for realizing charging includes setting up mapping relation between service attribute and charging rule, acquiring service attribute of the to-be-charged service when it is demanded to charge the to-be-charged service, acquiring charging rule of the to-be-charged service according to service attribute of the to-be-charged service, and charging the to-be-charged service according to the acquired charging rule. Also disclosed is a charging system having an acquiring charging rule module and charging processing module. When it is demanded to develop new services or modify charging rules of original services, it can be fulfilled by modifying the service information provided for charging processing module accordingly, thus charging requirements of various services can be satisfied. Charging processing module of charging system is independent of services, so that cost of charging system is reduced, and stability, reliability and versatility of charging system are improved.
    Type: Application
    Filed: July 30, 2004
    Publication date: November 29, 2007
    Applicant: Huawei Technologies Co., Ltd.
    Inventors: Xiaozheng Guo, Zhijian Lu, Xin Zhang, Qingchen Chu, Youkun Chen
  • Publication number: 20060253292
    Abstract: The present invention provides a general charging method applicable to a charging system in the communication field, comprising steps of establishing a charging strategy and performing the charging based upon the charging strategy. The charging strategy comprises a plurality of priorities each of which comprises a plurality of periods of time, and each of the periods of time corresponds to a type of rate segmentation and is provided a plurality of rate segments in each of which there are a plurality of rates. The step of performing the charging comprises steps of: searching for the highest priority in the charging strategy; searching for a corresponding period of time in the priority based upon the time a subscriber uses a service, and if found, performing the charging based upon the rate segments in the period of time; when the charging has been completed or the priorities have been searched through, and if there is any usage quantity that can't be charged, recording it and terminating the charging.
    Type: Application
    Filed: December 31, 2003
    Publication date: November 9, 2006
    Applicant: HUAWEI TECHNOLOGIES CO., LTD
    Inventors: Zhijian Lu, Xin Zhang, Xiaozheng Guo, Qingchen Chu, Youkun Chen