公开(公告)号：USD826746S1

公开(公告)日：2018-08-28

申请号：US29603176

申请日：2017-05-08

Applicant: SUTENG INNOVATION TECHNOLOGY CO., LTD.

Designer： Chunxin Qiu ,  Letian Liu

公开(公告)号：US11835662B2

公开(公告)日：2023-12-05

申请号：US17458393

申请日：2021-08-26

Applicant: SUTENG INNOVATION TECHNOLOGY CO., LTD.

Inventor： Chunxin Qiu ,  Letian Liu

IPC: G01S7/497 ,  G01S17/931 ,  G01S17/894 ,  G01S7/481

CPC classification number: G01S7/4972 ,  G01S7/4811 ,  G01S17/894 ,  G01S17/931

Abstract: The present disclosure provides a multi-beam LiDAR system. The multi-beam LiDAR system includes a transmitter having an array of laser emitters. Each laser emitter is configured to emit a laser beam. The multi-beam LiDAR system also includes a receiver having an array of photodetectors. Each photodetector is configured to receive at least one return beam that is reflected by an object from one of the laser beams. The laser emitter array includes a plurality of laser emitter boards perpendicular to a horizontal plane. Each laser emitter board has a plurality of laser emitters. The plurality of laser emitters in the laser emitter array are staggered along a vertical direction. The photodetector array includes a plurality of columns of photodetectors. One of the laser emitter boards corresponds to one column of photodetectors.

公开(公告)号：US11703590B2

公开(公告)日：2023-07-18

申请号：US16758848

申请日：2019-11-18

Applicant: SUTENG INNOVATION TECHNOLOGY CO., LTD.

Inventor： Letian Liu ,  Shen Jiang ,  Chunxin Qiu

IPC: G01S7/481 ,  G01S17/08

CPC classification number: G01S17/08 ,  G01S7/4814 ,  G01S7/4816

Abstract: The present application relates to a Lidar that includes a laser transmitter to emit a laser beam; an optical processing circuit. The optical processing circuit is configured to receive the laser beam reflected from a target object and convert the reflected laser beam to a photocurrent signal, and convert the photocurrent signal from an optical receiver to a voltage signal. The Lidar also includes a gain control circuit, connecting to the optical processing circuit; and a controller, connecting to the gain control circuit, to adjust a gain of the optical processing circuit via the gain control circuit and based on an amplitude of the voltage signal.

公开(公告)号：US11506760B2

公开(公告)日：2022-11-22

申请号：US16396753

申请日：2019-04-28

Applicant: SUTENG INNOVATION TECHNOLOGY CO., LTD.

Inventor： Chunxin Qiu ,  Letian Liu

IPC: G01S7/481 ,  G02B26/10 ,  G02B26/08 ,  G01S17/66 ,  G01S17/02

Abstract: The present disclosure provides a lidar and a lidar control method. The lidar includes a plurality of laser transmitters configured to transmit laser light, and an oscillating mirror configured to change a direction of a light path of the transmitted laser light. The lidar control method includes transmitting, by a plurality of transmitters, laser light; and changing, by an oscillating mirror, a direction of a light path of the transmitted laser light. The plurality of laser transmitters constitute a laser transmitter array of M rows and N columns, where M is an integer greater than or equal to 2 and N is an integer greater than or equal to 2.

公开(公告)号：US12092736B2

公开(公告)日：2024-09-17

申请号：US18207648

申请日：2023-06-08

Applicant: SUTENG INNOVATION TECHNOLOGY CO., LTD.

Inventor： Letian Liu ,  Shen Jiang ,  Chunxin Qiu

IPC: G01S7/481 ,  G01S17/08

CPC classification number: G01S17/08 ,  G01S7/4814 ,  G01S7/4816

Abstract: The present application discloses an optical signal processing circuit for a Lidar. The optical signal processing circuit includes an optical processing circuit, a gain control circuit connected to the optical processing circuit, and a controller connected to the gain control circuit. The optical processing circuit includes an optical sensor and an amplification circuit. The optical sensor is configured to convert an optical signal to a photocurrent signal, and the amplification circuit is configured to convert and amplify the photocurrent signal to a voltage signal. The controller adjusts a gain of the optical processing circuit via the gain control circuit and based on an amplitude of the voltage signal.

公开(公告)号：US11125864B2

公开(公告)日：2021-09-21

申请号：US16726035

申请日：2019-12-23

Applicant: SUTENG INNOVATION TECHNOLOGY CO., LTD.

Inventor： Chunxin Qiu ,  Letian Liu

IPC: G01S7/497 ,  G01S17/931 ,  G01S17/894 ,  G01S7/481

Abstract: The present disclosure provides a multi-beam LiDAR system. The multi-beam LiDAR system includes a transmitter having an array of laser emitters. Each laser emitter is configured to emit a laser beam. The multi-beam LiDAR system also includes a receiver having an array of photodetectors. Each photodetector is configured to receive at least one return beam that is reflected by an object from one of the laser beams. The laser emitter array includes a plurality of laser emitter boards perpendicular to a horizontal plane. Each laser emitter board has a plurality of laser emitters. The plurality of laser emitters in the laser emitter array are staggered along a vertical direction. The photodetector array includes a plurality of columns of photodetectors. One of the laser emitter boards corresponds to one column of photodetectors.

公开(公告)号：US20190339367A1

公开(公告)日：2019-11-07

申请号：US16474425

申请日：2017-10-18

Applicant: SUTENG INNOVATION TECHNOLOGY CO., LTD.

Inventor： Chunxin Qiu ,  Letian Liu

IPC: G01S7/481 ,  G01S17/08

Abstract: Disclosed are a multi-line lidar and a control method therefor. The multi-line lidar comprises: a laser emitter (110) for emitting outgoing lasers, comprising a plurality of laser emitting boards (111, 211, 212, 211, 212, 213, 310 and 320), and an optical collimating unit (120) for collimating the outgoing lasers. Light-emitting surfaces of the plurality of laser emitting boards (111) are located in a focal plane (130) of the optical collimating unit (120).