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31.发明公开公开(公告)号：US20230253710A1
公开(公告)日：2023-08-10
申请号：US18150332
申请日：2023-01-05
Applicant: CommScope Technologies LLC
Inventor： Yuanpeng Ren , Changfu Chen , Shuguang Shao
CPC classification number: H01Q9/0485 , H01Q3/2682
Abstract: The present disclosure relates to a phase shifter assembly comprising a phase shift circuit and a dielectric assembly having at least one dielectric element movable relative to the phase shift circuit for phase shifting, wherein the at least one dielectric element is disposed at a set distance from the phase shift circuit to form a gap between the at least one dielectric element and the phase shift circuit. In addition, the present disclosure also relates to a cavity phase shifter and a base station antenna.
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公开(公告)号：US20230064306A1
公开(公告)日：2023-03-02
申请号：US17879962
申请日：2022-08-03
Applicant: CommScope Technologies LLC
Inventor： Cheng Xue , Bo Wu , Fei Li , Jian Zhang , Yuanpeng Ren , Changfu Chen , Xun Zhang
Abstract: A connection assembly for an antenna includes a printed circuit board and a coaxial cable connected to the printed circuit board. A transmission trace and a solder pad are provided on the printed circuit board. An opening for receiving an end portion of the coaxial cable is also provided in the printed circuit board, and an exposed outer conductor of the end portion extends into the opening, and an exposed inner conductor reaches the solder pad. The connection assembly further includes a ground structure, which is electrically connected to a ground metal layer on a second surface of the printed circuit board, and the ground structure is at least partially arranged on both sides of the exposed inner conductor and/or the exposed outer conductor.
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公开(公告)号：US20230059701A1
公开(公告)日：2023-02-23
申请号：US17813705
申请日：2022-07-20
Applicant: CommScope Technologies LLC
Inventor： Jianpeng Lu , Changfu Chen , Fei Li
Abstract: A power divider includes: a dielectric substrate; a transmission line circuit on a first surface of the dielectric substrate, the transmission line circuit including an input trace, a first output trace and a second output trace. The transmission line circuit is configured to split a signal received at the input trace into a first sub-component that is output on the first output trace and a second sub-component that is output on the second output trace; and a reference potential layer, set on a second surface opposite the first surface of the dielectric substrate, where the reference potential layer is provided with a decoupling window that exposes a part of the dielectric substrate to reduce coupling in the transmission line circuit.
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公开(公告)号：US11552396B2
公开(公告)日：2023-01-10
申请号：US17369221
申请日：2021-07-07
Applicant: CommScope Technologies LLC
Inventor： Yiding Wang , PuLiang Tang , Changfu Chen
Abstract: The present disclosure relates to a phase shifter, which includes: a phase shift circuit board with conductive traces printed thereon; and a phase shift circuit board with conductive traces printed thereon; and a slide device with a first tooth section configured to be driven, wherein movement of the first tooth section drives the slide device to slide on the phase shift circuit board. In addition, the present disclosure further relates to a remote electrical tilt system, which includes an actuator, a transmission mechanism, and at least one phase shifter according to the present disclosure, wherein the actuator is configured to drive the transmission mechanism, and the transmission mechanism engages the first tooth section to drive the slide device to slide on the phase shift circuit board. In addition, the present disclosure also relates to a base station antenna which includes the remote electrical tilt system according to the present disclosure. The base station antenna according to the present disclosure may improve the stability of the transmission of the remote electrical tilt system and increase the space utilization of the remote electrical tilt system.
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Patent Agency Ranking
公开(公告)号：US20220352644A1
公开(公告)日：2022-11-03
申请号：US17725780
申请日：2022-04-21
Applicant: CommScope Technologies LLC
Inventor： Changfu Chen , Pengfei Guo
Abstract: A multi-band antenna includes a reflector that provides a ground plane, a first array of first radiating elements, each of the first radiating elements located on a front side of the reflector and configured to emit first electromagnetic radiation in a low frequency band, a second array of second radiating elements, each of the second radiating elements located on the front side of the reflector and configured to emit second electromagnetic radiation in a high frequency band, and an artificial magnetic conductor (AMC) plane that is located between the reflector and a radiator of the first radiating element and between the reflector and a radiator of the second radiating element. The AMC plane is configured to reflect the first electromagnetic radiation substantially in phase and to reflect the second electromagnetic radiation substantially in antiphase.
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公开(公告)号：US11380983B2
公开(公告)日：2022-07-05
申请号：US17102702
申请日：2020-11-24
Applicant: CommScope Technologies LLC
Inventor： Changfu Chen
Abstract: Radomes for a base station antenna include a first dielectric layer having a first dielectric constant and a first thickness, a second dielectric layer having a second dielectric constant and a second thickness, the second dielectric layer being positioned on an outer side of the first dielectric layer; and a third dielectric layer having a third dielectric constant and a third thickness, the third dielectric layer being positioned on an outer side of the second dielectric layer. Each of the first and third dielectric constants is greater than the second dielectric constant.
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公开(公告)号：US20210399438A1
公开(公告)日：2021-12-23
申请号：US17348890
申请日：2021-06-16
Applicant: CommScope Technologies LLC
Inventor： Changfu Chen , Xiaotuo Wang , Xun Zhang
Abstract: The present disclosure relates to an antenna device comprising: a first antenna comprising a first reflecting member configured to reflect at least a portion of a signal radiated by the antenna device; a second antenna comprising a second reflecting member configured to reflect at least a portion of the signal radiated by the antenna device, there is a spacing between the first reflecting member and the second reflecting member; and a coupling capacitor comprising a first polar plate and a second polar plate, the first polar plate is disposed on a side, close to the spacing, of a first reflecting surface of the first reflecting member, and the second polar plate is disposed on a side, close to the spacing, of a second reflecting surface of the second reflecting member.
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公开(公告)号：US20210391657A1
公开(公告)日：2021-12-16
申请号：US17316825
申请日：2021-05-11
Applicant: CommScope Technologies LLC
Inventor： Changfu Chen , Haiyan Chen , Pengfei Guo , Runmiao Wu
Abstract: An antenna includes a reflector having a front side that includes a first region and a second region that does not overlap the first region, a first column of radiating elements element that is located on the front side of the reflector and is configured to emit electromagnetic radiation within a first frequency band, the first column of radiating elements mounted to extend forwardly from the first region, and a reflection reducing component mounted forwardly of the second region, wherein the reflection reducing component is configured such that electromagnetic radiation within the first frequency band that is reflected by the reflection reducing component is weaker than electromagnetic radiation within the first frequency band that is reflected by the first region of the reflector.
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公开(公告)号：US20210378091A1
公开(公告)日：2021-12-02
申请号：US17318514
申请日：2021-05-12
Applicant: CommScope Technologies LLC
Inventor： Xiaotuo Wang , Hangsheng Wen , Xun Zhang , Changfu Chen
Abstract: A calibration circuit board for an antenna. The calibration circuit board may include: a first metal layer configured to be grounded; a first substrate over the first metal layer; a second substrate over the first substrate; and a plurality of couplers. Each coupler may include: a transmission line provided with an input port and an output port at both ends thereof, respectively; and a coupling line coupled with the transmission line and including two first portions respectively located at both sides of the transmission line, and a second portion connected between the two first portions. The coupling lines may be connected in series to provide a first calibration port and a second calibration port. One of the transmission lines and the coupling lines may be between the first substrate and the second substrate, and the other of the transmission lines and the coupling lines may be over the second substrate.
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