公开(公告)号：US20240146021A1

公开(公告)日：2024-05-02

申请号：US18384366

申请日：2023-10-26

Applicant: SUTENG INNOVATION TECHNOLOGY CO., LTD.

Inventor： Zhuozhi YAN ,  Rentian CAO

IPC: H01S5/042 ,  H01S5/02345 ,  H01S5/0237 ,  H01S5/40

CPC classification number: H01S5/04256 ,  H01S5/02345 ,  H01S5/0237 ,  H01S5/4025

Abstract: Embodiment of this application discloses a laser emission module and a laser ranging device. The laser emission module includes an emission substrate, a light emitting chip, at least one anode drive chip, and at least one cathode drive chip. The light emitting chip is assembled on a first surface of the emission substrate, internally integrated with a laser array, which includes m*n lasers, anodes of the lasers located in the same row are electrically connected and lead out a common anode end, and cathodes of the lasers located in the same column are electrically connected and lead out a common cathode end. The anode drive chip is assembled on the emission substrate, internally integrated with m anode drive circuits. The m anode drive circuits are respectively electrically connected with m common anode ends. Embodiment of this application can reduce the size of the laser emission module.

公开(公告)号：US20250110216A1

公开(公告)日：2025-04-03

申请号：US18795133

申请日：2024-08-05

Applicant: SUTENG INNOVATION TECHNOLOGY CO., LTD.

Inventor： Changsheng GONG ,  Rentian CAO

IPC: G01S7/484 ,  G01S17/10

Abstract: This application provides a method, device, and computer-readable storage medium for emitting laser signals. The method includes: setting the emission power of the emitting unit based on the measurement range of the LiDAR's emitting unit and/or the strength of the obtained echo signal corresponding to the emitting unit, where the emitting unit has at least two levels of emission power corresponding to different measurement ranges, and each level corresponds to a specific strength of emission power; emitting a laser signal via the emitting unit based on the emission power, where the laser signal is used for measuring the target detection object.

公开(公告)号：US20240151823A1

公开(公告)日：2024-05-09

申请号：US18386995

申请日：2023-11-03

Applicant: SUTENG INNOVATION TECHNOLOGY CO., LTD.

Inventor： Changsheng GONG ,  Rentian CAO ,  Jiaxin WANG

IPC: G01S7/481 ,  G01S7/48

CPC classification number: G01S7/4815 ,  G01S7/4802 ,  G01S7/4816 ,  G01S7/4817

Abstract: This application discloses a LiDAR controlling method, the LiDAR includes a laser emission array and a laser receiving array, and the method includes: in a measurement cycle, determining at least one emission block to be turned on in a current measurement cycle from the laser emission array, where the laser emission array includes multiple emission blocks, and each emission block includes multiple emission units; controlling at least one emission block to emit a laser beam according to a preset rule; and controlling a receiving block in the laser receiving array that corresponds to the at least one emission block to receive a laser echo, where the laser echo refers to an echo formed after the laser beam is reflected by a target object.