Patents by Inventor Junfeng Yu

Junfeng Yu 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: 11672093
    Abstract: The present invention relates to a cable lead-out system, configured to route at least one cable from inside of a device to outside of the device, wherein the cable lead-out system comprises: a first pressing piece having at least one through hole for leading out the cable; a second pressing piece having at least one through hole for leading out the cable; and a seal having a base sandwiched between the first pressing piece and the second pressing piece with two opposite sides thereof, and being deformable when being pressed by the first pressing piece and the second pressing piece, having the base comprising at least one through hole for leading out the cable, and at least one protrusion that protrudes from at least one of the two sides of the base, and each of the at least one protrusion being disposed around a through hole of the base, whereby the through hole of the base passes throughout the protrusion, wherein each of the at least one protrusion completely passes through a corresponding through hole of
    Type: Grant
    Filed: June 11, 2021
    Date of Patent: June 6, 2023
    Assignee: CommScope Technologies LLC
    Inventors: Xiaohua Tian, Junfeng Yu, Zhaohui Liu
  • Publication number: 20230127406
    Abstract: The present disclosure relates to a phase shifter assembly and a base station antenna, wherein the phase shifter assembly includes: a first printed circuit board; a first wiper arm, which is rotatably coupled to the first printed circuit board; a second printed circuit board; and a second wiper arm, which is rotatably coupled to the second printed circuit board; wherein the first printed circuit board and the second printed circuit board are arranged at a non-zero angle.
    Type: Application
    Filed: August 29, 2022
    Publication date: April 27, 2023
    Inventors: Yabing Liu, YueMin Li, Junfeng Yu, Long Shan, Yan Wang, Zelun Long
  • Publication number: 20230098188
    Abstract: The present application relates to an antenna assembly for a base station antenna, a base station antenna arrangement and a base station antenna. The antenna assembly has a reflector, which has a longitudinal extent, a front side and a rear side opposite the front side, where the front side is configured for radiating elements to be arranged thereon, wherein, the reflector has a first longitudinal section residing in a first plane and a second longitudinal section residing in a second plane that is adjacent to the first longitudinal section, where the first plane is rearward of the second plane. The properties of the base station antenna arrangement and the base station antenna may be improved through the antenna assembly.
    Type: Application
    Filed: September 2, 2022
    Publication date: March 30, 2023
    Inventors: YueMin Li, Junfeng Yu, PuLiang Tang, Xun Zhang, Jian Liu, Xiaohua Tian, Hangsheng Wen, Nengbin Liu, Jiajia Ni
  • Patent number: 11600906
    Abstract: The present disclosure relates to a mounting assembly and a mounting kit comprising such a mounting assembly for a base station antenna, wherein the mounting assembly has first and second connection parts, an effective length therebetween is related to the mechanical tilt of the base station antenna, and the effective length is continuously adjustable. The mounting assembly comprises a connecting rod mechanism having a first pair of connecting rods, a second pair of connecting rods, and a threaded connection device, wherein the threaded connection device connects two relatively movable hinged connection parts, the distance between the two hinged connection parts can be continuously adjusted by screwing the threaded connection device, so that the effective length can be continuously adjusted to realize continuous adjustment of the mechanical tilt of the base station antenna.
    Type: Grant
    Filed: July 30, 2021
    Date of Patent: March 7, 2023
    Assignee: CommScope Technologies LLC
    Inventors: Chen Chen, ZhaoHui Liu, Junfeng Yu, Xiaohua Tian
  • Publication number: 20230053624
    Abstract: A base station antenna includes a remote electronic tilt (“RET”) actuator, a phase shifter having a moveable element and a mechanical linkage extending between the RET actuator and the phase shifter. The mechanical linkage includes an adjustable RET linkage that has a first link that has a first connection element, a second link that has a second connection element and a connecting member that includes at least a third link. The adjustable RET linkage includes at least a first hinge and a second hinge.
    Type: Application
    Filed: October 11, 2022
    Publication date: February 23, 2023
    Inventors: Sean Gregory Thomas, Chongli Yang, Guomin Ding, Junfeng Yu, Zhaohui Liu
  • Publication number: 20230056237
    Abstract: Base station antennas include an externally accessible active antenna module releasably coupled to a recessed segment that is over a chamber in the base station antenna and that is longitudinally and laterally extending along and across a rear of a base station antenna housing. The base station antenna housing has a passive antenna assembly that cooperates with the active antenna module.
    Type: Application
    Filed: October 20, 2022
    Publication date: February 23, 2023
    Inventors: XiaoHua Hou, Yongjie Xu, Xiang Li, Peter J. Bisiules, Samantha Merta, Haifeng Li, Mohammad Vatankhah Varnoosfaderani, Bo Wu, Xiaohua Tian, Junfeng Yu, Dongmin Wang, Shanguang Zhang, Jian Liu
  • Patent number: 11572196
    Abstract: A method for controlling a movable object is provided. A user input that includes a first parameter corresponding to a first coordinate system is received and an operation mode is determined. In response to determining the operation mode being a first operation mode, a second parameter corresponding to a second coordinate system is generated and the movable object is controlled to move based on the second parameter. In response to determining the operation mode being a second operation mode, the first parameter is translated to a third parameter corresponding to the second coordinate system and the movable object is controlled to move based on the third parameter.
    Type: Grant
    Filed: March 1, 2021
    Date of Patent: February 7, 2023
    Assignee: SZ DJI TECHNOLOGY CO., LTD.
    Inventors: Jie Qian, Cong Zhao, You Zhou, Xuyang Feng, Junfeng Yu
  • Patent number: 11557832
    Abstract: The present invention relates to a sealing member for a base station antenna and a base station antenna comprising the same as well as a method and device for manufacturing the sealing member. The sealing member (2) is flexible and resilient and is configured to form a seal between an open end (5) of a radome (3) and an end cap (1) of the base station antenna. The sealing member is an elongated sealing strip having two ends, wherein the two ends of the sealing member are lappable with each other, and the sealing member has a groove extending over its entire length, which groove is defined by two side limbs and a bottom limb connecting the two side limbs of the sealing member, wherein the groove is configured to engage with an edge of the open end (5) of the radome, and wherein the sealing member is configured to be received in an annular recess of the end cap (1) and isolate an interior of the radome (3) from the environment.
    Type: Grant
    Filed: March 18, 2020
    Date of Patent: January 17, 2023
    Assignee: CommScope Technologies LLC
    Inventors: Lei Ju, Peng Xiao, Hong Ye, Junfeng Yu, Qingyun Chen, Jin Xu, Yingin Shao
  • Patent number: 11502407
    Abstract: A base station antenna includes a remote electronic tilt (“RET”) actuator, a phase shifter having a moveable element and a mechanical linkage extending between the RET actuator and the phase shifter. The mechanical linkage includes an adjustable RET linkage that has a first link that has a first connection element, a second link that has a second connection element and a connecting member that includes at least a third link. The adjustable RET linkage includes at least a first hinge and a second hinge.
    Type: Grant
    Filed: June 27, 2019
    Date of Patent: November 15, 2022
    Assignee: CommScope Technologies LLC
    Inventors: Sean Gregory Thomas, Chongli Yang, Guomin Ding, Junfeng Yu, Zhaohui Liu
  • Patent number: 11482774
    Abstract: Base station antennas include an externally accessible active antenna module releasably coupled to a recessed segment that is over a chamber in the base station antenna and that is longitudinally and laterally extending along and across a rear of a base station antenna housing. The base station antenna housing has a passive antenna assembly that cooperates with the active antenna module.
    Type: Grant
    Filed: March 23, 2021
    Date of Patent: October 25, 2022
    Assignee: COMMSCOPE TECHNOLOGIES LLC
    Inventors: Xiaohua Hou, Yongjie Xu, Xiang Li, Peter J. Bisiules, Samantha Merta, Haifeng Li, Mohammad Vatankhah Varnoosfaderani, Bo Wu, Xiaohua Tian, Junfeng Yu, Dongmin Wang, Shanguang Zhang, Jian Liu
  • Patent number: 11455018
    Abstract: This application provides an optical proximity sensor component that includes an optical proximity sensor and a light guide body. The light guide body includes a first end face. The light guide body is disposed on the optical proximity sensor, and the light guide body is configured to transfer, to the optical proximity sensor, light that enters from the first end face, and send out, through the first end face, light that is emitted by the optical proximity sensor. No additional connector or supporting component is required in the optical proximity sensor, which has a simple structure and is easy to assemble.
    Type: Grant
    Filed: July 23, 2019
    Date of Patent: September 27, 2022
    Inventors: Junfeng Yu, Tao Wang, Chaoliang Yang, Xiaoyong Wang
  • Publication number: 20220271443
    Abstract: A radiator assembly for a base station antenna includes two dipoles arranged in a cross-over manner, each dipole including two dipole arms, and two feeding lines, each feeding line being associated with a respective one of the dipoles. Each dipole arm is integrally formed of sheet metal, and includes a radiating surface and a leg projecting from the radiating surface at an angle with the radiating surface, where the leg is electrically grounded.
    Type: Application
    Filed: February 9, 2022
    Publication date: August 25, 2022
    Inventors: YueMin Li, Long Shan, Junfeng Yu, Yabing Liu, GuoLong Xu
  • Publication number: 20220122279
    Abstract: An imaging method includes determining a target position in an imaging frame of an image capturing mechanism connected with a positioning mechanism; detecting a human face from a scene captured by the imaging capturing mechanism; determining a current position of the detected human face in the imaging frame; calculating a positional relationship between the current position and the target position; calculating motion parameters of the positioning mechanism according to the positional relationship; and outputting a control instruction to move the positioning mechanism to move the image capturing mechanism according to the motion parameters so as to position a facial feature of the detected human face at the target position.
    Type: Application
    Filed: December 27, 2021
    Publication date: April 21, 2022
    Inventors: Xuyang FENG, Cong ZHAO, Junfeng YU, Jie QIAN
  • Publication number: 20220102830
    Abstract: The present disclosure has disclosed an antenna mounting device configured to collectively mount a plurality of base station antennas on a mast of a communication tower. The antenna mounting device is substantially in the shape of a polygon, and the mast is disposed at a center of the polygon. The antenna mounting device comprises: a plurality of brackets, which are elongated and include a head bracket, at least one intermediate bracket and a tail bracket attached sequentially; and a bracket fastening mechanism which is disposed between two adjacent ends of the head bracket and an adjacent intermediate bracket, or disposed between two adjacent ends of the adjacent intermediate brackets, or disposed between two adjacent ends of the tail bracket and the adjacent intermediate bracket, and which is configured to move two adjacent ends of the adjacent brackets from a position away from each other to a position close to each other.
    Type: Application
    Filed: January 9, 2020
    Publication date: March 31, 2022
    Inventors: Maosheng Liu, Zhaohui Liu, PuLiang Tang, Ruixin Su, Junfeng Yu
  • Patent number: 11283194
    Abstract: A radiator assembly for a base station antenna includes two dipoles arranged in a cross-over manner, each dipole including two dipole arms, and two feeding lines, each feeding line being associated with a respective one of the dipoles. Each dipole arm is integrally formed of sheet metal, and includes a radiating surface and a leg projecting from the radiating surface at an angle with the radiating surface, where the leg is electrically grounded.
    Type: Grant
    Filed: November 1, 2019
    Date of Patent: March 22, 2022
    Assignee: CommScope Technologies LLC
    Inventors: YueMin Li, Long Shan, Junfeng Yu, Yabing Liu, GuoLong Xu
  • Publication number: 20220069447
    Abstract: The present disclosure relates to a mounting assembly and a mounting kit comprising such a mounting assembly for a base station antenna, wherein the mounting assembly has first and second connection parts, an effective length therebetween is related to the mechanical tilt of the base station antenna, and the effective length is continuously adjustable. The mounting assembly comprises a connecting rod mechanism having a first pair of connecting rods, a second pair of connecting rods, and a threaded connection device, wherein the threaded connection device connects two relatively movable hinged connection parts, the distance between the two hinged connection parts can be continuously adjusted by screwing the threaded connection device, so that the effective length can be continuously adjusted to realize continuous adjustment of the mechanical tilt of the base station antenna.
    Type: Application
    Filed: July 30, 2021
    Publication date: March 3, 2022
    Inventors: Chen Chen, ZhaoHui Liu, Junfeng Yu, Xiaohua Tian
  • Publication number: 20220069452
    Abstract: Base station antennas, and components for base station antennas, such as reflectors, feeder components, frames, and column components. A base station antenna may include a reflector; a first radiator located at the front side of the reflector; mutually parallel first and second ground plates extending backward from the reflector and basically perpendicular to the reflector; and a first conductor strip extending between the first and second ground plates and configured to feed power to the first radiator. The first conductor strip and the first and second ground plates may be configured as a first stripline transmission line. The reflector and the first and second ground plates may be configured as one piece so that the reflector is grounded via the first and second ground plates without soldering.
    Type: Application
    Filed: September 2, 2021
    Publication date: March 3, 2022
    Inventors: YueMin Li, Long Shan, Yabing Liu, Yan Wang, Junfeng Yu, Hangsheng Wen
  • Publication number: 20220037753
    Abstract: A phase shifter assembly, suitable for a base station antenna, includes a main printed circuit board with opposing first and second primary sides. The main printed circuit board has a plurality of radio frequency (RF) transmission paths on the first primary side and a plurality of RF transmission paths on the second primary side. The phase shifter assembly also includes a first wiper arm rotatably coupled to the main printed circuit board and electrically coupled to the plurality of transmission paths on the first primary side of the main printed circuit board; and a second wiper arm rotatably coupled to the main printed circuit board and electrically coupled to the plurality of transmission paths on the second primary side of the main printed circuit board. Rearwardly extending phase shifter assemblies that are oriented perpendicular to a plane defined by a reflector within a base station antenna are also provided.
    Type: Application
    Filed: September 19, 2019
    Publication date: February 3, 2022
    Inventors: Haidan Tang, Junfeng Yu, Dongmin Wang, Chaohui Liu, Samantha L. Merta, Hangsheng Wen, Amit Kaistha, Muhammed Ameer P
  • Publication number: 20220007529
    Abstract: The present invention relates to a cable lead-out system, configured to route at least one cable from inside of a device to outside of the device, wherein the cable lead-out system comprises: a first pressing piece having at least one through hole for leading out the cable; a second pressing piece having at least one through hole for leading out the cable; and a seal having a base sandwiched between the first pressing piece and the second pressing piece with two opposite sides thereof, and being deformable when being pressed by the first pressing piece and the second pressing piece, having the base comprising at least one through hole for leading out the cable, and at least one protrusion that protrudes from at least one of the two sides of the base, and each of the at least one protrusion being disposed around a through hole of the base, whereby the through hole of the base passes throughout the protrusion, wherein each of the at least one protrusion completely passes through a corresponding through hole of
    Type: Application
    Filed: June 11, 2021
    Publication date: January 6, 2022
    Inventors: Xiaohua Tian, Junfeng Yu, Zhaohui Liu
  • Publication number: 20210408679
    Abstract: The present disclosure relates to a switchable transmission mechanism for a base station antenna.
    Type: Application
    Filed: May 21, 2021
    Publication date: December 30, 2021
    Inventors: Qiang Wang, Junfeng Yu, Dongmin Wang