公开(公告)号：US20240385295A1

公开(公告)日：2024-11-21

申请号：US18785616

申请日：2024-07-26

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Guowei ZHONG ,  Zhonghua CAI ,  Lei GAO ,  Zhenhai QIAN

IPC: G01S7/484

Abstract: The present disclosure relates to circuit structures, transmitters, detection apparatuses, and terminal devices are that may be used for autonomous driving or assisted driving. One example circuit structure includes a switch, a laser, and an energy storage that are placed in a stacked manner, and may be applied to a lidar. The switch is located at a first layer, and the laser and the energy storage are located at a second layer. A first end of the switch is connected to a first end of the laser through a first interlayer medium, a second end of the switch is connected to a first end of the energy storage through a second interlayer medium, and a second end of the laser is connected to a second end of the energy storage.

公开(公告)号：US20240353535A1

公开(公告)日：2024-10-24

申请号：US18759336

申请日：2024-06-28

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Tianyu LI ,  Shuai WANG ,  Zhonghua CAI ,  Anliang YU ,  Wei WANG

IPC: G01S7/481 ,  G01S17/89

CPC classification number: G01S7/4816 ,  G01S7/4817 ,  G01S17/89

Abstract: The present disclosure relates to control methods, lidars, and terminal devices. In an example method, a control apparatus controls a receiving optical system to receive a first echo signal reflected by a target object, and controls a detector to convert the first echo signal into an electrical signal by using a first pixel configuration, where in the first pixel configuration, different regions of the detector have different pixel configurations, or the detector has different pixel configurations in different time periods.

公开(公告)号：US20220357428A1

公开(公告)日：2022-11-10

申请号：US17869544

申请日：2022-07-20

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Zhonghua CAI ,  Wei WANG ,  Anliang YU

IPC: G01S7/481 ,  G01S17/933 ,  G01S7/4861

Abstract: This application discloses a laser detection apparatus, a method for manufacturing the laser detection apparatus, and a terminal, and belongs to the field of laser detection technologies, for example, light detection and ranging (Lidar). The apparatus includes a multiphase signal generation circuit, an amplifier array, and a laser transmitter array. The amplifier array includes a plurality of first amplifiers, and the laser transmitter array includes a plurality of laser transmitters. A plurality of output ends of the multiphase signal generation circuit are connected to input ends of corresponding first amplifiers, and output ends of the plurality of first amplifiers are connected to corresponding laser transmitters.

公开(公告)号：US20190341894A1

公开(公告)日：2019-11-07

申请号：US16365783

申请日：2016-09-27

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Zhonghua CAI ,  Lipeng ZHANG ,  Kaizhan WANG ,  Zhiyuan PANG ,  Sheng ZHU

IPC: H03F3/21 ,  H03F1/56 ,  H03F3/217 ,  H03F3/193

Abstract: Embodiments of the present invention provide a power amplifier, a radio remote unit RRU, and a base station. A multiphase pulse width modulator performs modulation to generate N multiphase pulse-width modulation PWM signals. The multiphase pulse-width modulation PWMn signal may be amplified. The multiphase pulse-width modulation PWMn signal may be filtered and a combination may be performed at a drain or a collector of a power amplifier transistor. According to the new radio frequency amplifier in accordance with the disclosure, envelope feeding loop inductance can be effectively reduced, so that video bandwidth is increased and DPD correction performance is improved.