公开(公告)号：US11914044B2

公开(公告)日：2024-02-27

申请号：US18220255

申请日：2023-07-10

Applicant: SUTENG INNOVATION TECHNOLOGY CO., LTD.

Inventor： Huazhou Chen

IPC: G01S17/89 ,  G01S7/481

CPC classification number: G01S17/89 ,  G01S7/4817

Abstract: This application discloses a point cloud densification method and apparatus, a storage medium, and a LiDAR. The method is applied to the LiDAR, the LiDAR includes an emitter group and a scanning apparatus, and the method includes: obtaining a point cloud densification multiple of a detection field of view at each level; obtaining an interval between scanning lines corresponding to two adjacent emissions based on the point cloud densification multiple of the detection field of view at each level; and performing scanning based on the interval between the scanning lines corresponding to the two adjacent emissions.

公开(公告)号：US11906664B2

公开(公告)日：2024-02-20

申请号：US17586716

申请日：2022-01-27

Applicant: SUTENG INNOVATION TECHNOLOGY CO., LTD.

Inventor： Ji Wang

IPC: G01S7/48 ,  G01S7/481 ,  G01S17/931 ,  G01S7/484 ,  G02B26/08

CPC classification number: G01S7/4817 ,  G01S7/484 ,  G01S7/4813 ,  G01S17/931 ,  G02B26/0833

Abstract: Embodiments of the present disclosure provide an emission module and a mounting and adjustment method of the same, a LiDAR and a smart sensing device. An emission module includes an emission apparatus and a collimating element provided sequentially along an outgoing laser, where the emission apparatus is configured to generate the outgoing laser, and the collimating element is configured to collimate the outgoing laser generated by the emission apparatus and emit the outgoing laser; and the collimating element includes a fast-axis collimating element and a slow-axis collimating element provided sequentially along the outgoing laser, the fast-axis collimating element is configured to receive the outgoing laser generated by the emission apparatus and collimate the outgoing laser in a fast-axis direction, and the slow-axis collimating element is configured to receive the outgoing laser collimated in the fast-axis direction, collimate the outgoing laser in the slow-axis direction and emit the outgoing laser.

公开(公告)号：US20240027621A1

公开(公告)日：2024-01-25

申请号：US18227283

申请日：2023-07-27

Applicant: SUTENG INNOVATION TECHNOLOGY CO., LTD.

Inventor： Xiangguang CHEN

IPC: G01S17/89

CPC classification number: G01S17/89 ,  G01S17/931

Abstract: A method and a device for adjusting parameters of LiDAR and a LiDAR are provided. The method includes: acquiring 3D environment information around the LiDAR; identifying a scenario type where the LiDAR is positioned and a drivable area based on the 3D environment information; determining a parameter adjusting strategy of the LiDAR based on the scenario type and the drivable area; and adjusting current operating parameters of the LiDAR based on the parameter adjusting strategy.

公开(公告)号：US11882662B2

公开(公告)日：2024-01-23

申请号：US17586835

申请日：2022-01-28

Applicant: SUTENG INNOVATION TECHNOLOGY CO., LTD.

Inventor： Wei Wei

IPC: G01S7/48 ,  H05K3/00 ,  G02B3/00 ,  G01S7/52 ,  G02B13/00 ,  G01S7/481

CPC classification number: H05K3/0008 ,  G01S7/52023 ,  G02B3/0037 ,  G02B13/004 ,  G01S7/4816 ,  G02B2003/0093

Abstract: This application pertains to the technical field of LiDAR, and discloses a receiving optical system, a laser receiving module, a LiDAR, and an optical adjustment method. The receiving optical system includes an optical receiving module and a first cylindrical lens. The optical receiving module is configured to receive a reflected laser and focus the received reflected laser. The first cylindrical lens is configured to receive the focused reflected laser and adjust the reflected laser in a first direction. Therefore, the receiving optical system can better perform matching on the photosensitive surface of the receiving sensor, and the energy receiving efficiency of the system is relatively high.

公开(公告)号：US20240019555A1

公开(公告)日：2024-01-18

申请号：US18219703

申请日：2023-07-09

Applicant: SUTENG INNOVATION TECHNOLOGY CO., LTD.

Inventor： Shen JIANG

IPC: G01S7/4861 ,  G01S7/48 ,  G01S7/481 ,  G01S7/484

CPC classification number: G01S7/4861 ,  G01S7/4808 ,  G01S7/4815 ,  G01S7/484

Abstract: The present application relates to a method and device for laser detection, and a non-transitory computer-readable storage medium. The method includes: emitting a secondary emergent laser in a current detection cycle; receiving and analyzing an echo laser corresponding to the secondary emergent laser to obtain a detection result; determining an operation mode of a primary emergent laser in a next detection cycle according to the detection result; and emitting the primary emergent laser in the next detection cycle according to the operation mode of the primary emergent laser.

公开(公告)号：US11867820B2

公开(公告)日：2024-01-09

申请号：US18094984

申请日：2023-01-09

Applicant: SUTENG INNOVATION TECHNOLOGY CO., LTD.

Inventor： Pan Lu ,  Yunbing You ,  Di Yang

IPC: G01S17/931 ,  G01S7/497

CPC classification number: G01S17/931 ,  G01S7/4972

Abstract: A mirror adjusting device, a reflecting assembly, a LiDAR, and an intelligent driving apparatus are provided. The mirror adjusting device includes a mounting bracket, a fixing bracket, and an elastic assembly. The mounting bracket includes a mirror mounting structure for mounting a mirror at one side and an adjusting part at the opposite side. The adjusting part includes a first curved wall protruding in a direction away from the mirror mounting structure, and the middle of the first curved wall is provided with a connecting structure. The fixing bracket includes a groove at one side and a through hole on the other side. The groove includes a second curved wall recessed toward the other side of the fixing bracket, and the first curved wall abuts against the second curved wall. The elastic assembly includes an elastic member and a connecting member.

公开(公告)号：US20240004036A1

公开(公告)日：2024-01-04

申请号：US18214515

申请日：2023-06-26

Applicant: SUTENG INNOVATION TECHNOLOGY CO., LTD.

Inventor： Kunyi LI ,  Kaipeng ZHANG

IPC: G01S7/481

CPC classification number: G01S7/4815 ,  G01S7/4813

Abstract: Embodiments of this application disclose a laser beam emission module and a LiDAR. The laser beam emission module includes: multiple light emission modules, where each light emission module is configured to emit an emission laser beam group, and the emission laser beam group includes multiple emission laser beams; an emission lens module, located on a light outgoing side of the multiple light emission modules, configured to reduce a divergence angle of the emission laser beams emitted by the multiple light emission modules, and further configured to increase an emission angle of view of the emission laser beams; and a light beam adjustment module, located on a light outgoing side of the emission lens module and configured to adjust an interval between angles of view of emission laser beams output by the emission lens module.

公开(公告)号：US20230385460A1

公开(公告)日：2023-11-30

申请号：US18144149

申请日：2023-05-05

Applicant: SUTENG INNOVATION TECHNOLOGY CO., LTD.

Inventor： Yumin LIAO ,  Junling ZANG ,  Renfang HUANG

IPC: G06F21/78 ,  G01S13/931 ,  G06F21/64

CPC classification number: G06F21/78 ,  G01S13/931 ,  G06F21/64 ,  G01S2013/9323

Abstract: This application relates to a method, circuit, and radar for detecting a register. The method for detecting the register includes: performing a signature operation on a first data to obtain a first signature; storing the first data in a data register; performing a signature operation on a second data stored in the data register, to obtain a second signature; and comparing the first signature and the second signature to detect the data register.

公开(公告)号：US20230384349A1

公开(公告)日：2023-11-30

申请号：US18203620

申请日：2023-05-30

Applicant: SUTENG INNOVATION TECHNOLOGY CO., LTD.

Inventor： Yipeng LI ,  Congcong ZHU

IPC: G01R5/04 ,  H02K11/215 ,  H02K21/20 ,  H02P6/16

CPC classification number: G01R5/04 ,  H02K11/215 ,  H02K21/20 ,  H02P6/16 ,  H02K2211/03

Abstract: The present disclosure provides a galvanometer motor, including a stator, a rotor, and a sensor board. The stator includes a housing and a drive coil mounted inside the housing. The rotor includes a rotating shaft and a galvanometer lens. A pair of radially magnetized magnetic poles are at the middle of the rotating shaft, two ends of the rotating shaft are rotatably mounted inside the housing, and one end of the rotating shaft extends outside the housing and is connected to the galvanometer lens. The sensor board is fixed on an inner wall of the housing and is at one end of the housing farther away from the galvanometer lens. The sensor board is mounted with one or more magnetic sensors configured to sense a magnetic field signal generated by the pair of magnetic poles, to obtain absolute positions of the rotating shaft and the galvanometer lens.

公开(公告)号：US20230366989A1

公开(公告)日：2023-11-16

申请号：US18226254

申请日：2023-07-26

Applicant: SUTENG INNOVATION TECHNOLOGY CO., LTD.

Inventor： Junlin CHEN

IPC: G01S7/484 ,  H01S5/042 ,  G01S7/481

CPC classification number: G01S7/484 ,  H01S5/0428 ,  G01S7/4814

Abstract: The present application discloses a laser emitting circuit and a LiDAR. The laser emitting circuit includes an energy charging circuit, an energy transfer circuit, and a plurality of energy release circuits. The plurality of energy release circuits are connected in parallel. The energy charging circuit is connected to the energy transfer circuit to store electrical energy. The energy transfer circuit is connected to the energy charging circuit and the plurality of energy release circuits to transfer the electrical energy stored in the energy charging circuit to the energy transfer circuit. The energy transfer circuit includes an energy storage capacitor and a floating-ground diode. Each energy release circuit is configured to drive a laser diode to emit light by using the electrical energy stored in the energy transfer circuit, and the energy release circuit includes an energy release switch element, the laser diode, and a clamping diode.