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公开(公告)号：US11968782B2
公开(公告)日：2024-04-23
申请号：US17386736
申请日：2021-07-28
Applicant: CommScope Technologies LLC
Inventor： Xiaotuo Wang , Changfu Chen , Hangsheng Wen
CPC classification number: H05K1/144 , H01Q1/246 , H01Q21/06 , H05K2201/10098 , H05K2201/10371
Abstract: The present disclosure relates to a coupler and a base station antenna. The coupler comprises: a first coupling member comprising a first substrate, and a first signal path and a first sub-path of a second signal path located on the first substrate, the first sub-path configured to be at least partially coupled with the first signal path to couple a portion of a signal in the first signal path into the second signal path; a second coupling member vertically stacked with the first coupling member, the second coupling member comprising a second substrate, and a second sub-path of the second signal path located on the second substrate; a shielding member disposed between the first substrate and the second substrate so as to shield the first coupling member and the second coupling member from one another, the shielding member being provided with a first connection through-hole; and a first connection member passing through the first connection through-hole and electrically connected between the first sub-path and the second sub-path.
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公开(公告)号：US20230216197A1
公开(公告)日：2023-07-06
申请号：US18093361
申请日：2023-01-05
Applicant: CommScope Technologies LLC
Inventor： Changfu Chen , Pengfei Guo
Abstract: A multi-band antenna includes a first column of radiating elements that are configured to operate in a first operating frequency band mounted on a reflecting plate; a second column of radiating elements that are configured to operate in a second operating frequency band mounted on the reflecting plate; a first fence and a second fence located on both sides of the reflecting plate that extend forward from the reflecting plate, where the first and second columns of radiating elements are arranged in between the first and second fences, the first fence and the second fence respectively comprise a frequency selective surface with a passband and a stopband, the passband covers at least the first operating frequency band, and the stopband covers at least the second operating frequency band.
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公开(公告)号：US11575197B2
公开(公告)日：2023-02-07
申请号：US17222023
申请日：2021-04-05
Applicant: CommScope Technologies LLC
Inventor： Runmiao Wu , Changfu Chen
Abstract: A multi-band antenna includes a reflector, and a plurality of first radiating elements on the reflector. The plurality of first radiating elements are configured to radiate a first antenna beam(s) in a first frequency band responsive to at least one feed signal. A passive radiation-filtering element is provided, which extends proximate the first antenna beam(s). The passive radiation-filtering element includes at least one of a low-pass LC circuit, a band-pass LC circuit, and a high-pass LC circuit therein, which is configured to provide a lower frequency-dependent impedance to radiation within the first frequency band relative to radiation at frequencies outside the first frequency band. The passive radiation-filtering element may be configured as a multi-segment fence having capacitive and inductive elements therein, which are electrically coupled in series.
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公开(公告)号：US20220123471A1
公开(公告)日：2022-04-21
申请号：US17501377
申请日：2021-10-14
Applicant: CommScope Technologies LLC
Inventor： Runmiao Wu , Changfu Chen , Hangsheng Wen , Jian Zhang , Bo Wu , YueMin Li
Abstract: A patch radiating element that includes a feeder pillar and a patch radiator mounted on the feeder pillar. The patch radiator includes a first patch portion extending in a first direction and a second patch portion extending from an outer end portion of the first patch portion in a second direction. The second direction is different from the first direction. As a result, a space interval between adjacent patch radiating elements can be increased, thereby improving the isolation between the adjacent patch radiating elements so that beamforming of an antenna can be optimized.
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公开(公告)号：US11985761B2
公开(公告)日：2024-05-14
申请号：US17318514
申请日：2021-05-12
Applicant: CommScope Technologies LLC
Inventor： Xiaotuo Wang , Hangsheng Wen , Xun Zhang , Changfu Chen
CPC classification number: H05K1/0243 , H01P5/185 , H05K2201/10098
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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Patent Agency Ranking
公开(公告)号：US20240145938A1
公开(公告)日：2024-05-02
申请号：US18493712
申请日：2023-10-24
Applicant: CommScope Technologies LLC
Inventor： Bin Sun , Changfu Chen , Jian Zhang , Cheng Xue , Pengfei Guo
CPC classification number: H01Q21/062 , H01Q5/48
Abstract: A radiating element includes: a plurality of radiators, where each radiator includes a first side arm segment and a second side arm segment; a plurality of feeder rods, where each feeder rod is electrically connected to a respective one of a plurality of first side arm segments and a plurality of second side arm segments, where each group of feeder rods and their connected side arm segments include a first portion and a second portion electrically insulating from each other; and at least one common mode current suppressing component, where each common mode current suppressing component includes a first conductive portion and a second conductive portion adjacent to each other and electrically insulating, where the first conductive portion is electrically connected between a first portion of a group of feeder rods and their connected side arm segments and a second portion of an adjacent group of feeder rods and their connected side arm segments, and the second conductive portion is electrically connected between a second portion of a group of feeder rods and their connected side arm segments and a first portion of an adjacent group of feeder rods and their connected side arm segments.
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公开(公告)号：US20230155287A1
公开(公告)日：2023-05-18
申请号：US18149869
申请日：2023-01-04
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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公开(公告)号：US11637373B2
公开(公告)日：2023-04-25
申请号：US17181443
申请日：2021-02-22
Applicant: CommScope Technologies LLC
Inventor： Changfu Chen , Runmiao Wu
Abstract: An antenna includes a first radiating element configured to emit first electromagnetic radiation in response to at least one feed signal having a frequency within a first radio frequency (RF) band. A director is provided, which is positioned forwardly of the first radiating element, and in a path of the first electromagnetic radiation. The director includes first and second passive impedance elements that provide respective first and second frequency-dependent reactances to first currents induced within the director in response to the first electromagnetic radiation. The first and second passive impedance elements may include a first inductor and a first capacitor, which are electrically coupled in series. The director may also be configured to include a plurality of passive impedance elements that are connected within an impedance loop containing a second LC circuit in series with a first LC circuit.
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公开(公告)号：US20210305697A1
公开(公告)日：2021-09-30
申请号：US17181443
申请日：2021-02-22
Applicant: CommScope Technologies LLC
Inventor： Changfu Chen , Runmiao Wu
Abstract: An antenna includes a first radiating element configured to emit first electromagnetic radiation in response to at least one feed signal having a frequency within a first radio frequency (RF) band. A director is provided, which is positioned forwardly of the first radiating element, and in a path of the first electromagnetic radiation. The director includes first and second passive impedance elements that provide respective first and second frequency-dependent reactances to first currents induced within the director in response to the first electromagnetic radiation. The first and second passive impedance elements may include a first inductor and a first capacitor, which are electrically coupled in series. The director may also be configured to include a plurality of passive impedance elements that are connected within an impedance loop containing a second LC circuit in series with a first LC circuit.
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公开(公告)号：US10950947B2
公开(公告)日：2021-03-16
申请号：US16304961
申请日：2017-05-31
Applicant: CommScope Technologies LLC
Inventor： Changfu Chen , Hangsheng Wen , YueMin Li
Abstract: A dipole antenna includes a feed line, first and second microstrip probes, a first signal transmission line coupled to the feed line and to the first microstrip probe, and a second signal transmission line coupled to the feed line and to the second microstrip probe. The first signal transmission line includes a first transmission line including a first signal conductor and a first ground conductor and a second transmission line including a second signal conductor and a second ground conductor. The first signal conductor is electrically coupled to the feed line and to the second ground conductor and the second signal conductor is electrically coupled to the first microstrip probe and the first ground conductor.
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