Huawei Technologies Co., Limited

Byd Company Limited

Shenzhen University

Shenzhen Quanzhi Information Technology Co., Ltd.

Mgi Tech Co., Ltd.

Jingjing Wang

Zhengbiao Ouyang

Guang Liu

Jia Wei

Meihua Gong

Jian Liu

Huiyue Liu

Shuang Zhou

Chongjun Xu

Zhaohua Qian

Yanqin Chen

XiaoWei Li

Jiandong Ke

Kang Zhou

Guang Qian

Shengmao Liu

Dongdong Shen

Hui Jiang

Jiguang Li

Xiaofang Wei

An interface circuit, a method for controlling the interface circuit, a chip, and a terminal device are provided. The interface circuit includes a first PMOS transistor, an input signal control circuit, a bias circuit, a signal input end, and an input/output end. The bias circuit includes a substrate bias voltage generation end and a bias voltage generation end. The bias circuit is coupled to a high-level power supply end, the input/output end, and a ground end. The input signal control circuit is connected to the signal input end, the bias voltage generation end, and a gate of the first PMOS transistor; a first electrode of the first PMOS transistor is connected to the high-level power supply end, and a second electrode of the first PMOS transistor is connected to the input/output end.

Interface circuit, control method thereof, chip, and terminal device

A communication system includes a first device, a second device, and a cable that connects the first device and the second device, and the cable stores cable information of the cable. A link training method includes: obtaining device information of the first device, obtaining the cable information from the cable, and obtaining device information of the second device; and performing link training between the first device and the second device based on the device information of the first device, the cable information, and the device information of the second device.

Communication system, link training method, and related device

A transaxle of a rail vehicle includes: a power assembly; an axle body; a running wheel; a guiding frame; a horizontal wheel; and a connecting rod component, including a first transverse pull rod and a second transverse pull rod, where when the rail vehicle turns left, the horizontal wheel cooperates with a rail beam to drive the guiding frame to swing and drive the first transverse pull rod to move together, and the second transverse pull rod is driven by the first transverse pull rod to drive the running wheel to swing to the left, and when the rail vehicle turns right, the horizontal wheel cooperates with the rail beam to drive the guiding frame to swing and drive the first transverse pull rod to move together, and the second transverse pull rod is driven by the first transverse pull rod to drive the running wheel to swing to the right.

Transaxle of rail vehicle, rail vehicle, and rail transportation system

Earphones with charging case

A two-dimensional (2D) square-lattice photonic crystal (PhC) based on a circular hollow dielectric cylinder and flat dielectric cylinders include a high-refractive-index dielectric cylinder and a low-refractive-index dielectric background, the PhC structure is formed by arranging unit cells in a square-lattice; one lattice constant of the square-lattice PhC is a; each unit cell includes a circular hollow dielectric cylinder and flat dielectric cylinders; and the circular hollow dielectric cylinder is connected to four flat dielectric cylinders; a width D of the flat dielectric cylinder is 0.01a to 0.2a, an outer diameter R of the circular hollow dielectric cylinder is 0.1a to 0.5a, and a ratio T of a difference between an inner diameter and an outer diameter of the circular hollow dielectric cylinder to the outer diameter of the circular hollow dielectric cylinder is 0.01 to 0.99.

2D square lattice photonic crystal based on hollow cylinder and connecting plates

Growing community of inventors

Shenzhen, China

Jingjing Wang