公开(公告)号：US20180309181A1

公开(公告)日：2018-10-25

申请号：US16020404

申请日：2018-06-27

Applicant: Huawei Technologies Co., Ltd.

Inventor： Dantao CAI

IPC: H01P1/213 ,  H04B1/10 ,  H04B1/12

Abstract: Embodiments of this disclosure provide a combiner, which includes an external conductor and an internal conductor, the external conductor and the internal conductor form at least two band-stop filters, and the at least two band-stop filters form at least two passbands; the at least two passbands include a first target combined passband and a second target combined passband, and a frequency of the first target combined passband is lower than a frequency of the second target combined passband; and a signal channel is included between a signal input end and a signal output end of a band-stop filter to which the second target combined passband belongs, the signal channel is formed by the internal conductor, and the internal conductor forming the signal channel includes a capacitor. Implementing the present invention can shorten a length of a main transmission line of the signal channel, and reduce a volume of the combiner.

公开(公告)号：US20190296412A1

公开(公告)日：2019-09-26

申请号：US16435552

申请日：2019-06-09

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Liangyong DENG ,  Dantao CAI

IPC: H01P1/203 ,  H01P7/08

Abstract: Embodiments provide a filtering device, to effectively simplify assembly and tuning processes. The filtering device includes: a housing, including an inner cavity; a resonant conductor, having a resonance function, and disposed inside the inner cavity; and a pressing element, having one end disposed on the housing and another end suspended, and facing a position of an open-circuit end of the resonant conductor. A distance between the pressing element and the resonant conductor is changeable when the pressing element is pressed or drawn to adjust a resonant frequency. The filtering device provided in various embodiments is applicable to a plurality of communications devices for selecting a signal frequency.

公开(公告)号：US20200303838A1

公开(公告)日：2020-09-24

申请号：US16899096

申请日：2020-06-11

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Weihong XIAO ,  Dantao CAI ,  Junfeng LU ,  Shuangfei WANG

IPC: H01Q23/00

Abstract: This application discloses a feeding device, an antenna, and an electronic device, and belongs to the communications field. The feeding device includes a phase shifter, a combiner, and a jumper component. The phase shifter has a first cavity, the combiner has a second cavity, the first cavity is adjacently connected to the second cavity, and the phase shifter is connected to the combiner by using the jumper component. In this application, costs of the feeding device can be reduced, and a signal loss of the feeding device can be reduced.

公开(公告)号：US20210344091A1

公开(公告)日：2021-11-04

申请号：US17325958

申请日：2021-05-20

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Liangyong DENG ,  Dantao CAI

IPC: H01P1/203 ,  H01P7/08 ,  H01P1/207

Abstract: Embodiments provide a filtering device, to effectively simplify assembly and tuning processes. The filtering device includes: a housing, including an inner cavity; a resonant conductor, having a resonance function, and disposed inside the inner cavity; and a pressing element, having one end disposed on the housing and another end suspended, and facing a position of an open-circuit end of the resonant conductor. A distance between the pressing element and the resonant conductor is changeable when the pressing element is pressed or drawn to adjust a resonant frequency. The filtering device provided in various embodiments is applicable to a plurality of communications devices for selecting a signal frequency.

公开(公告)号：US20250096472A1

公开(公告)日：2025-03-20

申请号：US18961843

申请日：2024-11-27

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Liangyong DENG ,  Wen DUAN ,  Dantao CAI ,  Weihong XIAO ,  Rui JIN

IPC: H01Q9/04 ,  H01Q1/24 ,  H01Q21/06

Abstract: This application provides example antennas and example base stations. One example antenna includes a reflection panel, a radiating element, and a resonator group. The resonator group is disposed between the reflection panel and the radiating element. The resonator group includes a first resonator, a second resonator, and a third resonator. The third resonator has a first connection portion and a second connection portion that are located at at least one open-circuit end. The first resonator is coupled to the first connection portion. The second resonator is coupled to the second connection portion. The third resonator is further coupled to the radiating element, and a signal may be transmitted between the third resonator and the radiating element. The first resonator is configured to transmit a signal in a first frequency band. The second resonator is configured to transmit a signal in a second frequency band.

公开(公告)号：US20250087895A1

公开(公告)日：2025-03-13

申请号：US18960469

申请日：2024-11-26

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Wen DUAN ,  Dantao CAI ,  Liangyong DENG ,  Weihong XIAO ,  Zijing DU

IPC: H01Q19/10 ,  H01Q9/04 ,  H01Q13/10

Abstract: The present disclosure relates to antennas, communication devices, and communication systems. One example antenna includes a plurality of coupled resonators. The plurality of resonators are disposed on a side of a reflection plate. The plurality of resonators may have symmetry, and a first resonator in the plurality of resonators includes a plurality of portions with different extension directions.