公开(公告)号：EP4030600A1

公开(公告)日：2022-07-20

申请号：EP20880723.0

申请日：2020-10-15

申请人： Huawei Technologies Co., Ltd.

发明人： DUAN, Ran ,  HE, Yingyong ,  WAN, Haibo ,  LI, Dengfeng

IPC分类号： H02K41/035

摘要： Disclosed are a motor (20, 40, 50, 60, 70, 80), a camera module (100), and a mobile terminal (200). A motor (20, 40, 50, 60, 70, 80) includes a base (21, 41, 51, 61, 71, 81), a support base (23, 43, 53, 63, 73, 83), and a shape memory alloy actuator (25). The shape memory alloy actuator (25) is fixedly connected between the base (21, 41, 51, 61, 71, 81) and the support base (23, 43, 53, 63, 73, 83), and the shape memory alloy actuator (25) is configured to drive the support base (23, 43, 53, 63, 73, 83) to move relative to the base (21, 41, 51, 61, 71, 81). The motor (20) further includes an eccentricity-prevention magnetic assembly (27, 47, 57), the eccentricity-prevention magnetic assembly (27, 47, 57) includes a first eccentricity-prevention member (271, 471, 571, 771, 871) and a second eccentricity-prevention member (273, 473, 573, 773, 873), the first eccentricity-prevention member (271, 471, 571, 771, 871) is disposed on the base (21, 41, 51, 61, 71, 81), the second eccentricity-prevention member (273, 473, 573, 773, 873) is disposed on the support base (23, 43, 53, 63, 73, 83), and when the motor is in a powered-off state, a first central axis of the base (21, 41, 51, 61, 71, 81) coincides with a second central axis of the support base (23, 43, 53, 63, 73, 83) under the action of magnetostatic forces between the first eccentricity-prevention member (271, 471, 571, 771, 871) and the second eccentricity-prevention member (273, 473, 573, 773, 873), to resolve the problem of eccentricity of the motor (20, 40, 50, 60, 70, 80).

公开(公告)号：EP4266671A1

公开(公告)日：2023-10-25

申请号：EP21922680.0

申请日：2021-12-29

申请人： Huawei Technologies Co., Ltd.

发明人： LI, Dengfeng ,  YOU, Zhongcheng ,  WAN, Haibo ,  WANG, Gang

IPC分类号： H04N5/232

摘要： This application provides a pan-tilt-zoom module, a camera module, and an electronic device, and relates to the field of electronic device technologies, to implement optical image stabilization, increase an image stabilization angle, and reduce a size of the camera module. The pan-tilt-zoom module includes a housing, a carrier, an image sensor, and an SMA motor. An accommodating cavity is formed in the housing, and a first opening in communication with the accommodating cavity is provided on the housing. The carrier is located in the accommodating cavity, the carrier has a lens mounting hole, and an opening at one end of the lens mounting hole faces the first opening. The image sensor is located in the accommodating cavity and is disposed on a side that is of the carrier and that is away from the first opening, and a photosensitive surface of the image sensor faces an opening at the other end of the lens mounting hole. The SMA motor is configured to drive the carrier to tilt in the accommodating cavity along with the image sensor in any direction around, to implement optical image stabilization. The pan-tilt-zoom module provided in embodiments of this application is configured to implement optical image stabilization.

公开(公告)号：EP4254931A1

公开(公告)日：2023-10-04

申请号：EP21913876.5

申请日：2021-12-13

申请人： Huawei Technologies Co., Ltd.

发明人： YOU, Zhongcheng ,  LI, Dengfeng ,  WAN, Haibo ,  WANG, Gang ,  QIN, Shixin ,  LIU, Xiaohan

IPC分类号： H04N5/225

摘要： This application provides a camera module and an electronic device, and relates to the field of electronic device technologies, to ensure shooting quality of the camera module, and reduce a volume of the camera module. The camera module includes an optical camera lens, a variable aperture, and an SMA motor. Relative positions of the variable aperture and the optical camera lens are fixed. The variable aperture has an aperture hole whose size is adjustable. The aperture hole is located on a light inlet side of the optical camera lens, and is opposite to a light inlet surface of the optical camera lens. The SMA motor includes a first carrier, a base, and an SMA drive assembly. The optical camera lens is fastened to the first carrier. The SMA drive assembly is connected between the first carrier and the base. The SMA drive assembly is configured to drive the first carrier, the optical camera lens, and the variable aperture to move together relative to the base, so as to implement automatic focusing and/or optical image stabilization. The camera module provided in embodiments of this application is configured to shoot a photo/video.

公开(公告)号：EP3951465A1

公开(公告)日：2022-02-09

申请号：EP20810615.3

申请日：2020-05-09

申请人： Huawei Technologies Co., Ltd.

发明人： DUAN, Ran ,  WAN, Haibo ,  MEI, Qian ,  LV, Dalin ,  LI, Dengfeng

IPC分类号： G02B7/02 ,  G03B5/02

摘要： This application provides an elastomer designing method, an elastomer, an SMA assembly, a lens module, and an electronic device. The SMA assembly includes: a fastener, an elastomer, and shape memory alloy SMA lines. One end of the SMA line is connected to the fastener, and the other end is connected to the elastomer. The elastomer includes an elastomer body and at least one elastomer cantilever. The elastomer cantilever is connected to the elastomer body and extends along an outer edge of the elastomer body, the elastomer cantilever is connected to the fastener at a predetermined position of an extending part, and the at least one elastomer cantilever is axisymmetric or 90° rotationally symmetric. According to the foregoing technical solution, mechanical crosstalk of the elastomer in the SMA assembly can be reduced or eliminated, to improve optical image stabilization performance.