公开(公告)号：US20240027584A1

公开(公告)日：2024-01-25

申请号：US18481487

申请日：2023-10-05

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Yuemeng WANG ,  Wei WANG ,  Anliang YU

IPC: G01S7/481

CPC classification number: G01S7/4814 ,  G01S7/4817 ,  G01S7/4816

Abstract: A detection device includes a transmitting component, configured to transmit a laser beam; a collimating and shaping component, configured to process the laser beam as a collimated linear laser beam; a scanning rotating mirror component, including at least one reflection surface, configured to reflect the linear laser beam; a receiving component, configured to receive a target echo, and convert the target echo from an optical signal into an electrical signal corresponding to the target echo, where the target echo includes a reflected signal of the linear laser beam.

公开(公告)号：US20230305117A1

公开(公告)日：2023-09-28

申请号：US18326275

申请日：2023-05-31

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Hongliang WANG ,  Wei WANG ,  Aijuan ZHANG ,  Anliang YU ,  Yuemeng WANG ,  Kai AN ,  Riliang SU ,  Bingcheng DU

IPC: G01S7/481 ,  G01S17/931

CPC classification number: G01S7/4817 ,  G01S7/4814 ,  G01S7/4816 ,  G01S17/931

Abstract: A detection apparatus, a control method and control apparatus of the detection apparatus, a lidar system, and a terminal are provided. The detection apparatus includes at least one laser, at least one planar array detector, at least one lens assembly, at least one optical detector, and at least one micro electro mechanical system MEMS micromirror. The lens assembly is configured to focus reflected light of at least one first laser light beam to the planar array detector. The MEMS micromirror is configured to reflect reflected light of at least one second laser light beam to the optical detector.

公开(公告)号：US20240264286A1

公开(公告)日：2024-08-08

申请号：US18626820

申请日：2024-04-04

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Yilun ZHOU ,  Xianling SHI ,  Guoliang CAO ,  Zhizhen HUANG ,  Anliang YU

IPC: G01S7/4865 ,  G01S7/484 ,  G01S17/10

CPC classification number: G01S7/4866 ,  G01S7/484 ,  G01S17/10

Abstract: Example control methods and apparatuses, example LiDARs, and example terminal devices are provided. One example method includes controlling a transmitter to transmit a first pulse train, where the first pulse train includes M1 first-type pulses and M2 second-type pulses, M1 is an integer greater than 1, and M2 is a positive integer. The transmitter is controlled to transmit a second pulse train, where the second pulse train includes at least one of M3 first-type pulses or Ma second-type pulses, where a power of a first-type pulse is greater than a power of a second-type pulse, and where the second pulse train and the first pulse train have different transmission time periods, or correspond to different sub-emitters, or correspond to different pixels in a detection field of view, or correspond to different detection fields of view, or correspond to different sub-receivers.

公开(公告)号：US20240353535A1

公开(公告)日：2024-10-24

申请号：US18759336

申请日：2024-06-28

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Tianyu LI ,  Shuai WANG ,  Zhonghua CAI ,  Anliang YU ,  Wei WANG

IPC: G01S7/481 ,  G01S17/89

CPC classification number: G01S7/4816 ,  G01S7/4817 ,  G01S17/89

Abstract: The present disclosure relates to control methods, lidars, and terminal devices. In an example method, a control apparatus controls a receiving optical system to receive a first echo signal reflected by a target object, and controls a detector to convert the first echo signal into an electrical signal by using a first pixel configuration, where in the first pixel configuration, different regions of the detector have different pixel configurations, or the detector has different pixel configurations in different time periods.

公开(公告)号：US20220357428A1

公开(公告)日：2022-11-10

申请号：US17869544

申请日：2022-07-20

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Zhonghua CAI ,  Wei WANG ,  Anliang YU

IPC: G01S7/481 ,  G01S17/933 ,  G01S7/4861

Abstract: This application discloses a laser detection apparatus, a method for manufacturing the laser detection apparatus, and a terminal, and belongs to the field of laser detection technologies, for example, light detection and ranging (Lidar). The apparatus includes a multiphase signal generation circuit, an amplifier array, and a laser transmitter array. The amplifier array includes a plurality of first amplifiers, and the laser transmitter array includes a plurality of laser transmitters. A plurality of output ends of the multiphase signal generation circuit are connected to input ends of corresponding first amplifiers, and output ends of the plurality of first amplifiers are connected to corresponding laser transmitters.