公开(公告)号：US11550055B2

公开(公告)日：2023-01-10

申请号：US17035685

申请日：2020-09-29

Applicant: SUTENG INNOVATION TECHNOLOGY CO., LTD.

Inventor： Zhihua Chen ,  Letian Liu ,  Chunxin Qiu ,  Xujun Tan ,  Xiaojun Zhou

IPC: G01S17/88 ,  G01S7/481 ,  G01S7/487 ,  H04B10/112 ,  H04B10/40 ,  H04B5/00 ,  H04B5/02

Abstract: The present disclosure provides a range-finding system capable of data communication. The range-finding system includes a rangefinder for acquiring ranging data, a magnetic ring unit having at least two communication channels, and a data processing and control unit. Each communication channel includes a magnetic ring. The magnetic ring unit transmits the ranging data as downlink data from the rangefinder to the data processing and control unit via one or more of the communication channels.

公开(公告)号：US10823853B2

公开(公告)日：2020-11-03

申请号：US15930426

申请日：2020-05-12

Applicant: SUTENG INNOVATION TECHNOLOGY CO., LTD.

Inventor： Zhihua Chen ,  Letian Liu ,  Chunxin Qiu ,  Xujun Tan ,  Xiaojun Zhou

IPC: G01S17/88 ,  G01S7/481 ,  H04B10/40 ,  H04B10/112 ,  G01S7/487

Abstract: The present disclosure provides a range-finding system capable of data communication. The range-finding system includes a rangefinder for acquiring ranging data, a magnetic ring unit having at least two communication channels, and a data processing and control unit. Each communication channel includes a magnetic ring. The magnetic ring unit transmits the ranging data as downlink data from the rangefinder to the data processing and control unit via one or more of the communication channels.

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：US20200096617A1

公开(公告)日：2020-03-26

申请号：US16616642

申请日：2017-11-28

Applicant: SUTENG INNOVATION TECHNOLOGY CO., LTD.

Inventor： Chunxin Qiu

IPC: G01S7/481 ,  G01S7/4863 ,  G02B26/10 ,  G02B27/30

Abstract: The present application discloses a laser detection and ranging (LIDAR) device that includes: a laser emitter configured to emit an outgoing laser and a two-dimensional tilting mirror configured to change an optical path direction of the outgoing laser in a vertical dimension and a horizontal dimension. A LIDAR control method is also disclosed. The method include the steps of emitting, by a laser emitter, outgoing laser and changing, by a two-dimensional tilting mirror, an optical path direction of the outgoing laser in a vertical dimension and a horizontal dimension.

公开(公告)号：US12298397B2

公开(公告)日：2025-05-13

申请号：US17955460

申请日：2022-09-28

Applicant: SUTENG INNOVATION TECHNOLOGY CO., LTD.

Inventor： Zhihua Chen ,  Letian Liu ,  Chunxin Qiu ,  Xujun Tan ,  Xiaojun Zhou

IPC: G01S17/88 ,  G01S7/481 ,  G01S7/487 ,  H04B5/48 ,  H04B5/70 ,  H04B5/72 ,  H04B5/73 ,  H04B5/79 ,  H04B10/112 ,  H04B10/40

Abstract: A magnetic ring and a magnetic-ring-based system are provided. The magnetic ring includes an inner magnetic ring including an inner coil and an outer magnetic ring corresponding to the inner magnetic ring and including an outer coil facing the inner coil along a circumference of the outer magnetic ring. The inner magnetic ring is connected with a stationary part in a range-finding system, and the outer magnetic ring is connected with a rotating part in the range-finding system. In response to a rotation of the rotating part with respect to the stationary part, the outer magnetic ring rotates with respect to the inner magnetic ring to generate a magnetic field between the inner coil and the outer coil to perform one of data transmission or power transmission in the range-finding system.

公开(公告)号：US11686825B2

公开(公告)日：2023-06-27

申请号：US17036231

申请日：2020-09-29

Applicant: SUTENG INNOVATION TECHNOLOGY CO., LTD.

Inventor： Chunxin Qiu ,  Letian Liu

IPC: G01C3/08 ,  G01S7/4863 ,  G01S17/10 ,  G01S7/481 ,  G01S17/42 ,  G01S7/486

CPC classification number: G01S7/4863 ,  G01S7/4813 ,  G01S7/4815 ,  G01S7/4816 ,  G01S17/10 ,  G01S17/42 ,  G01S7/4868

Abstract: A multiline lidar includes: a laser emitting array (110) configured to emit multi-beam laser; a laser receiving array (120) configured to receive multiplexed laser echoes reflected by a target object; an echo sampling device (130) configured to sample the multiplexed laser echo in a time division multiplexing manner and output a sampling data stream; a control system (140) coupled to the laser emitting array (110), the laser receiving array (120), and the echo sampling device (130), respectively; the control system (140) is configured to control operations of the laser emitting array (110) and the laser receiving array (120), and determine measurement data according to the sampling data stream; and an output device (150) configured to output the measurement data.

公开(公告)号：US10761191B2

公开(公告)日：2020-09-01

申请号：US16597814

申请日：2019-10-09

Applicant: SUTENG INNOVATION TECHNOLOGY CO., LTD.

Inventor： Chunxin Qiu ,  Letian Liu

IPC: G01S7/48 ,  G01S7/481 ,  G01S17/931

Abstract: Embodiments of the disclosure provide a LiDAR assembly. The LiDAR assembly includes a central LiDAR device configured to detect an object at or beyond a first predetermined distance from the LiDAR system and an even number of multiple auxiliary LiDAR devices configured to detect an object at or within a second predetermined distance from the LiDAR system. The LiDAR assembly also includes a mounting apparatus configured to mount the central and auxiliary LiDAR devices. Each of the central and auxiliary LiDAR devices is mounted to the mounting apparatus via a mounting surface. A first mounting surface between the central LiDAR device and the mounting apparatus has an angle with a second mounting surface between one of the auxiliary LiDAR devices and the mounting apparatus.

公开(公告)号：US10705189B2

公开(公告)日：2020-07-07

申请号：US16693157

申请日：2019-11-22

Applicant: SUTENG INNOVATION TECHNOLOGY CO., LTD.

Inventor： Chunxin Qiu ,  Letian Liu

IPC: G01C3/08 ,  G01S7/481 ,  G01S7/4863 ,  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 laser emitter array includes a first type of laser emitter board and a second type of laser emitter board. The second type of laser board includes two or more laser emitters. The second type of laser emitter board is not parallel to a predefined plane.