公开(公告)号：US20230350029A1

公开(公告)日：2023-11-02

申请号：US18138714

申请日：2023-04-24

Applicant: SUTENG INNOVATION TECHNOLOGY CO., LTD.

Inventor： Huazhou CHEN

IPC: G01S7/481

CPC classification number: G01S7/4817 ,  G01S7/4813

Abstract: An opto-mechanical system is provided. The opto-mechanical system includes a light emission assembly, a light receiving assembly, and a light scanning assembly. The light emission assembly is configured to emit an emission light signal to a target object. The light receiving assembly is configured to receive an echo light signal reflected by the target object. The light scanning assembly includes a first light scanning element and a second light scanning element. The emission light signal emitted by the light emission assembly is sequentially transmitted by the first light scanning element and the second light scanning element to the target object, and the echo light signal reflected by the target object is sequentially transmitted by the second light scanning element and the first light scanning element to the light receiving assembly.

公开(公告)号：US20230318260A1

公开(公告)日：2023-10-05

申请号：US18125103

申请日：2023-03-22

Applicant: SUTENG INNOVATION TECHNOLOGY CO., LTD.

Inventor： Yanmin LI

IPC: H01S5/0683 ,  H01S5/40

CPC classification number: H01S5/0683 ,  H01S5/4025 ,  G01S7/4815

Abstract: This application relates to a calibration apparatus, a laser beam emission circuit and an electronic device. The calibration apparatus is applied to the laser beam emission circuit, where the laser beam emission circuit includes N lasers, and the calibration apparatus includes: a detection module, configured to detect optical power of an ith laser; and a control module, configured to adjust an ith control signal based on a detection result of the detection module. The control module is further configured to establish a mapping relationship between the ith laser and the ith control signal when the ith optical power is equal to the target optical power.

公开(公告)号：US20230296413A1

公开(公告)日：2023-09-21

申请号：US18202268

申请日：2023-05-25

Applicant: SUTENG INNOVATION TECHNOLOGY CO., LTD.

Inventor： Yipeng LI

IPC: G01D5/347

CPC classification number: G01D5/3473

Abstract: Embodiments of the present application disclose an optical grating disk, a method for identifying a Z-phase signal, a photoelectric encoder, and a LiDAR. At least two Z-phase etched lines are arranged on a circular disk of an optical grating disk. The method includes determining positions of a plurality of Z-phase signals collected within preset duration; identifying an abnormal Z-phase signal in the plurality of Z-phase signals based on position is of the at least two Z-phase etched lines and the positions of the Z-phase signals; and determining a position of an abnormal Z-phase etched line on the optical grating disk based on the position of the abnormal Z-phase signal when there is the abnormal Z-phase signal.

公开(公告)号：US20230288538A1

公开(公告)日：2023-09-14

申请号：US18118785

申请日：2023-03-08

Applicant: SUTENG INNOVATION TECHNOLOGY CO., LTD.

Inventor： Shen JIANG

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

CPC classification number: G01S7/4808 ,  G01S7/4814 ,  G01S17/931 ,  G01S7/4816

Abstract: This application provides a laser receiving system, which includes a receiver, a transimpedance amplification circuit, and at least one measurement circuit. The at least one measurement circuit includes a first measurement circuit, where the receiver is connected to a terminal of the transimpedance amplification circuit, and is configured to receive an echo laser beam and output an echo signal. The transimpedance amplification circuit has a terminal connected to the receiver and another terminal separately connected to each of the at least one measurement circuit, and is configured to perform transimpedance amplification on the echo signal. The first measurement circuit is configured to output a sampling signal after shaping the echo signal.

公开(公告)号：US20230208527A1

公开(公告)日：2023-06-29

申请号：US17983355

申请日：2022-11-08

Applicant: SUTENG INNOVATION TECHNOLOGY CO., LTD.

Inventor： Ben NIU ,  Jing WANG ,  Lin ZHU

IPC: H04B10/548 ,  H04B10/564

CPC classification number: H04B10/548 ,  H04B10/564

Abstract: This disclosure provides a method for nonlinearly calibrating linear frequency modulation of an optical signal, an apparatus for nonlinearly calibrating linear frequency modulation of an optical signal, a computer-readable storage medium, and an electronic device. The method includes: in an ith frequency modulation cycle, obtaining a relationship between a modulation voltage signal Vi(t) input into a light source and an actual frequency signal fi(t) of an optical signal output by the light source, to obtain an actual association relationship fi(V) corresponding to the ith frequency modulation cycle, where i is a positive integer; based on a target frequency modulation signal fg(t) and the actual association relationship fi(V), determining a modulation voltage signal Vj(t) corresponding to a jth frequency modulation cycle, where j is i+1; and inputting a modulation voltage signal Vj(t) into the light source, to implement frequency modulation of the optical signal in the jth frequency modulation cycle.

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：US20230126462A1

公开(公告)日：2023-04-27

申请号：US17970499

申请日：2022-10-20

Applicant: SUTENG INNOVATION TECHNOLOGY CO., LTD.

Inventor： Changsheng GONG ,  Yan SONG ,  Keqin YANG

IPC: G01S17/32 ,  G01S7/4913

Abstract: A radar data processing method, a terminal device, and a computer-readable storage medium are provided. The method includes: obtaining a target receiving unit group corresponding to an emission unit; obtaining echo data received by the target receiving unit group; converging the echo data to obtain a convergence result; and determining a distance of a target object based on the convergence result.

公开(公告)号：US20230067391A1

公开(公告)日：2023-03-02

申请号：US17898389

申请日：2022-08-29

Applicant: SUTENG INNOVATION TECHNOLOGY CO., LTD.

Inventor： Zhaohui SHI

IPC: G01S7/48 ,  G01S17/10 ,  G01S7/487

Abstract: The present application discloses a LiDAR occlusion detection method and apparatus, a storage medium, and a LiDAR. The method includes: obtaining detected echo data, obtaining distance information of each point in the echo data, comparing the distance information with a preset distance range, and in response to the distance information being within the preset distance range, determining that the LiDAR is occluded. In the present application, it can be detected in real time whether the LiDAR is occluded, without affecting transmittance of the LiDAR or increasing manufacturing costs of the LiDAR.

公开(公告)号：US20220390603A1

公开(公告)日：2022-12-08

申请号：US17704088

申请日：2022-03-25

Applicant: SUTENG INNOVATION TECHNOLOGY CO., LTD.

Inventor： Chao WANG ,  Songshan HOU

IPC: G01S17/08 ,  G01S17/931

Abstract: This application discloses a LiDAR and an apparatus. The LiDAR includes: a casing, demarcating an emission chamber and a receiving chamber; a laser emission device, arranged in the emission chamber and configured to emit a laser beam to the first target region; and a plurality of laser receiving devices, arranged in the receiving chamber. The plurality of laser receiving devices receive a laser beam reflected from the second target region, and the first target region and the second target region are at least partially overlapped. The second target region includes a plurality of detection subregions, each detection subregion is smaller than the first target region and is at least partially overlapped with the first target region, and each laser receiving device receives, in a one-to-one correspondence manner, a laser beam reflected from each detection subregion.

公开(公告)号：US20220369081A1

公开(公告)日：2022-11-17

申请号：US17742343

申请日：2022-05-11

Applicant: SUTENG INNOVATION TECHNOLOGY CO., LTD.

Inventor： Shiwen HE

IPC: H04W4/38 ,  H04L67/12 ,  H04W4/46

Abstract: Embodiments of this application disclose a method and a device thereof for converging sensed information of multiple sensors. The method includes: establishing a layered convergence topology structure based on a sensing range and a position relationship of at least one sensor; separately obtaining sensed information sensed by each sensor; and subjecting each piece of sensed information to layered convergence by using the layered convergence topology structure and generating target converged information. Applying the embodiments of this application can reduce a bandwidth need during convergence communication.