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公开(公告)号：US20240204693A1
公开(公告)日：2024-06-20
申请号：US18591610
申请日：2024-02-29
Applicant: Huawei Technologies Co., Ltd.
Inventor： Fengpei Sun , Zhihong Feng , Jinghui Xu , Xiaoshi Dong , Jianbo Sun
CPC classification number: H02N1/002 , G02B26/0833
Abstract: An actuating member and a related device are provided, and may be applied to an optical communication scenario such as OXC, VOA, or WSS, or the field of projection display. A first fastening structure (11), a second fastening structure (12), and a third fastening structure (13) are fastened to a substrate. A rotating frame (40) is connected to the first fastening structure (11) by using a first cantilever beam (21), and a first comb (31) is formed on the rotating frame (40). The first comb (31) is arranged in a staggered manner with a second comb (32), and the second comb (32) is formed on the second fastening structure (12). A rotating platform (60) is located at an inner side of the rotating frame (40), the rotating platform (60) is connected to the rotating frame (40) by using a second cantilever beam (22).
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公开(公告)号：US20240019687A1
公开(公告)日：2024-01-18
申请号：US18477744
申请日：2023-09-29
Applicant: Huawei Technologies Co., Ltd.
Inventor： Xiaoshi Dong , Jinghui Xu , Fengpei Sun
CPC classification number: G02B26/0841 , B81B7/02 , B81B2203/0136 , B81B2201/033 , B81B2201/042 , B81B2201/045
Abstract: An electrostatic MEMS micromirror is provided, and may be used in a device such as a mobile phone, a microphone, a camera, a radar, or an optical switch. The electrostatic MEMS micromirror includes a support beam, a micromirror, and a drive component. The drive component includes a comb frame and a drive comb located in the comb frame. The support beam and the micromirror are mechanically coupled using the comb frame. Two sides of the comb frame that are mechanically coupled to the micromirror are separately located on two sides of a rotating axis determined by the support beam. The drive comb includes at least one comb pair. The comb pair includes a movable comb structure and a stationary comb structure. The movable comb structure includes a plurality of movable combs. One end of the movable comb is fastened to the comb frame.
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公开(公告)号：US20240077716A1
公开(公告)日：2024-03-07
申请号：US18507537
申请日：2023-11-13
Applicant: Huawei Technologies Co., Ltd.
Inventor： Fei Zhao , Huai Yuan Chu , Jinghui Xu , Jiahao Wu
CPC classification number: G02B26/0833 , G02B6/3518 , G02B6/3588
Abstract: A micromirror assembly comprises a first position-limiting part, a micromirror chip, and a second position-limiting part that are stacked. The micromirror chip includes a fastening frame, a movable part, and a first cantilever, where the movable part is connected to the fastening frame by the first cantilever. The first position-limiting part and the second position-limiting part are separately connected to the fastening frame, the first position-limiting part and the second position-limiting part have a hollow area, and the hollow areas are opposite to the movable part. The first position-limiting part and the second position-limiting part are configured to absorb shock from a collision with the micromirror chip, and a projection of a collision part of the first position-limiting part on the micromirror chip intersects with a central axis of the first cantilever.
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公开(公告)号：US20220256128A1
公开(公告)日：2022-08-11
申请号：US17732109
申请日：2022-04-28
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Jun Feng , Ming Li , Wenzhe Liao , Hui Yang , Jinghui Xu , Jifang He
Abstract: A camera module is provided. The camera module may be separately used as a camera, or may be applied to a terminal device such as a mobile phone or a tablet computer, or a vehicle-mounted device. The camera module includes an optical lens component, a light filtering layer, an image sensor and a drive module. The optical lens component is configured to receive a light beam from a photographed object, and transmit the light beam to the light filtering layer. The light filtering layer is configured to move a position under the drive of the drive module, and respectively transmit light signals filtered at different positions to the image sensor. The image sensor is configured to receive the light signals at the different positions from the light filtering layer, and determine image information based on the light signals at the different positions.
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公开(公告)号：US12196600B2
公开(公告)日：2025-01-14
申请号：US17974326
申请日：2022-10-26
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Zhihong Feng , Danyang Yao , Jinghui Xu
Abstract: This application discloses example piezoelectric acoustic sensors and methods for manufacturing the piezoelectric acoustic sensor, and belongs to the field of electronic technologies. In one example, the piezoelectric acoustic sensor includes an anchoring unit, a piezoelectric unit, a support unit, and a hollow-out mechanical part. A back cavity is formed in the anchoring unit. The piezoelectric unit is configured to convert a sound signal that enters the back cavity into an electrical signal. The support unit covers the anchoring unit and the piezoelectric unit. The hollow-out mechanical part is connected between the anchoring unit and the piezoelectric unit, and is embedded in the support unit.
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Patent Agency Ranking
公开(公告)号：US20220324699A1
公开(公告)日：2022-10-13
申请号：US17854668
申请日：2022-06-30
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Fengpei Sun , Zhihong Feng , Jinghui Xu
Abstract: Micro-electro-mechanical systems and a preparation method thereof are provided. The micro-electro-mechanical systems include first fixed comb fingers, second fixed comb fingers, a support beam, a movable platform, and movable comb fingers. The first fixed comb fingers and the second fixed comb fingers are fastened to a substrate, and the first fixed comb fingers are electrically isolated from the second fixed comb fingers. Two ends of the support beam are fastened to the substrate, and the movable platform is coupled to the support beam. The movable comb fingers are coupled to the movable platform, and form a three-layer comb finger structure with the first fixed comb fingers and the second fixed comb fingers. This structure improves drive efficiency of the micro-electro-mechanical systems.
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公开(公告)号：US20220264229A1
公开(公告)日：2022-08-18
申请号：US17733148
申请日：2022-04-29
Applicant: Huawei Technologies Co., Ltd.
Inventor： Danyang Yao , Jinghui Xu
IPC: H04R17/00 , B81B7/02 , H01L41/113
Abstract: A piezoelectric MEMS sensor and a related device is disclosed, applied to scenarios such as a terminal, a smart acoustic system, a wireless Bluetooth headset, an active noise reduction headset, a notebook computer, and an automobile industry, including a substrate including a sound entry channel and at least one cantilever. The cantilever includes a first region and a second region that are connected to each other. The first region includes a first side face and a second side face, the first side face is a side face that is of the first region and that faces a target face, and the target face is a face that is of the cantilever and that is connected to the substrate. An included angle between the first side face and the second side face is greater than or equal to 90 degrees and less than 180 degrees.
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公开(公告)号：US20250071401A1
公开(公告)日：2025-02-27
申请号：US18725405
申请日：2022-11-29
Applicant: Huawei Technologies Co., Ltd.
Inventor： Xiaoshi Dong , Jun Feng , Huaiyuan Chu , Jinghui Xu
Abstract: In accordance with an embodiment, a drive apparatus includes a substrate, a first movable structure, a second movable structure, a first fastening structure, a second fastening structure, a first connecting piece, a second connecting piece, and a drive structure. The first fastening structure is fastened to the substrate, and the first movable structure is connected to the first fastening structure by using the first connecting piece. The second movable structure is connected to the second fastening structure by using the second connecting piece, and the second movable structure is fastened to the first movable structure. A thickness of a first area on the first fastening structure is less than a thickness of a second area. A thickness of a third area on the second fastening structure is less than a thickness of a fourth area.
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公开(公告)号：US12219273B2
公开(公告)日：2025-02-04
申请号：US17732109
申请日：2022-04-28
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Jun Feng , Ming Li , Wenzhe Liao , Hui Yang , Jinghui Xu , Jifang He
Abstract: A camera module is provided. The camera module may be separately used as a camera, or may be applied to a terminal device such as a mobile phone or a tablet computer, or a vehicle-mounted device. The camera module includes an optical lens component, a light filtering layer, an image sensor and a drive module. The optical lens component is configured to receive a light beam from a photographed object, and transmit the light beam to the light filtering layer. The light filtering layer is configured to move a position under the drive of the drive module, and respectively transmit light signals filtered at different positions to the image sensor. The image sensor is configured to receive the light signals at the different positions from the light filtering layer, and determine image information based on the light signals at the different positions.
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公开(公告)号：US20250023550A1
公开(公告)日：2025-01-16
申请号：US18901776
申请日：2024-09-30
Applicant: Huawei Technologies Co., Ltd.
Inventor： Fengpei Sun , Zhihong Feng , Jinghui Xu , Linhai Huang
IPC: H03H9/24
Abstract: A resonator includes a first sub-resonator and a plurality of second sub-resonators. The first sub-resonator in vibration deforms in at least two non-parallel directions. The first sub-resonator is connected to the second sub-resonators in all the at least two non-parallel directions, and deformations in all the at least two non-parallel directions couple the first sub-resonator to the second sub-resonators. Then, the resonator can balance a Q value and Rm, and can have a higher Q value and lower Rm.
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