Aac Technologies Pte. Ltd.

Wuhan China Star Optoelectronics Technology Co., Ltd.

Byd Company Limited

Huawei Technologies Co., Limited

Honor Device Co., Ltd.

Tencent Technology (shenzhen) Company Limited

Aac Acoustic Technologies (shenzhen) Co., Ltd.

Siemens Aktiengesellschaft

Huazhong University of Science and Technology

Sanyo Electric Co., Ltd.

Shenzhen China Star Optoelectronics Technology Co., Ltd.

Shenzhen Mindray Bio-medical Electronics Co., Ltd.

Zte Corporation

Huawei Digital Power Technologies Co., Ltd.

Shenzhen Yinwang Intelligent Technologies Co., Ltd.

Chao Wang

Xiaoyue Xia

Guanghui Liu

Jing Zhao

Peng Zhang

Xindong Mei

Hongbin Luo

Yantao Lu

Wei Zhang

Feng Wang

Jianchun Mai

Bin Xu

Yu Liu

Qiang Gong

Zhifu Li

Hong Wang

Jing Liu

Wei Luo

Gang Yu

Qiang Li

Jun Zhang

Hui Zhang

Xiang Zhang

Stefan Stocker

Yiqun Wu

Liming Fang

Yi Tong Wang

Bo Xu

Xinyu Wang

Jie Dong

Fancheng Liu

Bin Wu

Bo Li

Yan Chen

Jinjie Wang

Wei Ren

Xi Li

Jing Wu

Chun Li

Yusuke Yamamoto

Changwen Ma

Gui Chen

Xiaohua Tang

Xingzhi Huang

Quanming Li

Yu Zhou

Wei Ping Peng

Yi Yuan

Zhimin Zhu

Yongli Chen

Chunhui Zhang

Zhengdong Yong

Shaojun Hou

Xiaofeng Shen

Zhiqiang Zhuang

Wenqiang Yu

Shulin Liang

Yuan Wu

Xinghui Wang

Lirong Zhang

Shuai Yang

Qi Guo

Peng Chen

Yang Ding

Toshihiro Saruwatari

Yao Hui

Bin Fu

Liyan You

Yinglei Liang

Yanbin Sun

Pei Cheng

Cheng Ni

Jiazhi He

Jiang Peng

Yan Liang

Jing Gao

Wei Ling

Ying Zhu

Qiao Sun

Lei Ma

Mingwei Zhang

Kui Zhang

Yue Wen

Shiyang Cheng

Yi Wang

Weihong Yin

Dongsheng Liang

Henglizi Zhang

Xiangwen Chen

Daniel Bengt Jansson

Gang Zhao

Shaohua Luo

Wei Tong

Jinkai Ouyang

Ke Hua

Kaipeng Zhang

Lewei Zhang

Ya Wang

Lijian Ye

This application provides a signal transmission method and a related device. According to the signal transmission method, when two contact points on an electronic device are respectively in contact with two contact points on a keyboard, the electronic device may transmit a power signal and a GND signal to the keyboard through the contact points that are in contact with each other, that is, the electronic device may supply power to the keyboard. In addition, when a user presses a key on the keyboard to perform input, the keyboard may transmit key position information to the electronic device through a contact point that is in contact with the electronic device. In this signal transmission method, no Bluetooth chip needs to be built into the electronic device and the keyboard, reducing device costs.

Signal transmission between electronic device and keyboard using high/low pass filters

This application provides a wireless charging system. The wireless charging system has the function of wirelessly charging an electronic stylus while receiving the electronic stylus. The wireless charging system includes a tablet computer, a wireless keyboard, and an electronic stylus. The wireless keyboard includes a keyboard body, a bracket for placing the tablet computer, and a connecting portion for movably connecting the keyboard body and the bracket. The tablet computer is provided with a first wireless charging sending device. The wireless keyboard is provided with a first wireless charging receiving device. The first wireless charging receiving device receives an electromagnetic signal sent by the first wireless charging sending device. The connecting portion includes a receiving cavity provided with an opening at an end and a second wireless charging sending device. The second wireless charging sending device is configured to wirelessly charge the electronic stylus received in the receiving cavity.

Wireless charging system

Disclosed is a method for training an expression transfer model performed by a computer device, the method including: obtaining a source domain facial image of a first object, a target domain facial image of a second object and a facial feature image associated with the target domain facial image; applying the facial feature image and the source domain facial image to an expression transfer model to obtain a synthesized facial image of the first object; applying the synthesized facial image and the target domain facial image to a discriminative network model obtain two discrimination results; applying the synthesized facial image and the target domain facial image to an image classification model to obtain a category feature vector for identifying a difference between the synthesized facial image and the target domain facial image; and updating the expression transfer model according to the category feature vector and the discrimination results.

Training method for expression transfer model, expression transfer method and apparatus

A vehicle-mounted power supply apparatus includes a housing, a magnetic device, and a shielding component. The housing includes a mounting position, a magnetic device includes an integrated part disposed at the mounting position, and a shielding component is disposed in the housing and surrounds a periphery of the mounting position.

Vehicle-mounted power supply apparatus and vehicle having same

The present invention provides a piezoelectric film acoustic resonator, which comprises a substrate, a first electrode disposed over the substrate, a piezoelectric film disposed over the substrate and covering at least a portion of the first electrode and a second electrode disposed on a surface of the piezoelectric film away from the first electrode, one end of the first electrode extends in the direction away from the piezoelectric film to form a first extended pad, one end of the second electrode extends in the direction away from the first extended pad to form a second extended pad, the first extended pad comprises a first protruding reflection grating on the surface away from the substrate, the second extended pad comprises a second protruding reflection grating on the surface away from the substrate. The configuration can reduce the impact on acoustic performance while improving the quality factor.

Piezoelectric film acoustic resonator

The present disclosure provides a piezoelectric resonator comprising a substrate having an acoustic reflection mirror, a bottom electrode stacked on the substrate, a piezoelectric layer disposed on the substrate and covering the bottom electrode, and a top electrode stacked on a surface of piezoelectric layer distal to the bottom electrode. An overlapping portion of the acoustic reflection mirror, the bottom electrode, the piezoelectric layer, and the top electrode along a thickness direction of the piezoelectric resonator is a resonance region. A sidewall of the top electrode or a bottom electrode recesses to form a recessing portion. The recessing portion does not extend to an upper surface or a lower surface of the top electrode or the bottom electrode.

Piezoelectric resonator

A battery equalization system, a vehicle, a battery equalization method, and a storage medium. The battery equalization system includes: a collection circuit; and equalization circuit; a controller, connected to the collection circuit and the equalization circuit; and a power supply branch circuit, controlled by the controller to get connected to a power supply unit and the battery equalization system when a vehicle is in an OFF gear and a cell needs enabling of equalization, so that the power supply unit supplies power to the battery equalization system.

Battery equalization system and methods of using same including first and second power supply branch circuits

A display panel and a display device are provided. The display panel includes a substrate, a first metal layer disposed on a side of the substrate, a second metal layer disposed on a side of the first metal layer away from the substrate and including a plurality of gate electrodes and a plurality of sets of source and drain electrodes arranged in the same layer as the gate electrodes, and a plurality of data lines. Each of the data lines is disposed in the same layer as the first metal layer and is electrically connected to the source and drain electrodes.

Display panel and display device

A calibration method for an oxygen sensor and a medical ventilation system are disclosed. At least two electrical signals are acquired at two time points within a preset time period, when the oxygen sensor is in a preset oxygen concentration. A response function of the oxygen sensor which corresponds to the preset oxygen concentration, is determined according to the at least two time points and the at least two electrical signals. A steady-state output value of the oxygen sensor in the preset oxygen concentration is determined, according to the response function and a characteristic curve of the oxygen sensor is determined, according to the steady-state output value of the oxygen sensor in the preset oxygen concentration. The described method reduces the time waiting for the oxygen sensor to respond, thus improving calibration efficiency, and facilitating the improvement of the oxygen concentration monitoring accuracy of a ventilation device in daily use.

Calibration method for oxygen sensor, medical ventilation system, anesthetic machine, and ventilator

The present application provides a display device and a mobile terminal. The display device includes a display panel and a backlight module arranged on one side of the display panel. The display panel includes a first display area, a second display area arranged on one side of the first display area, and a third display area arranged within the second display area. The backlight module includes a via area, and the via area is arranged corresponding to the third display area. The backlight module includes a first light source arranged corresponding to the first display area and a second light source arranged corresponding to the second display area.

Display device and mobile terminal

This application discloses a charging cable-based data transmission method and an electronic device. A first electronic device is connected to a second electronic device through a third electronic device, and the third electronic device includes a first data signal line and a second data signal line. When the method is applied to the first electronic device, the first electronic device may detect a connection to the second electronic device; send a first message through a first pin, where the first pin is connected to the first data signal line; and receive a second message through a second pin, where the second pin is connected to the second data signal line, and the first message and the second message are used for charging setting of the first electronic device.

Charging cable-based data transmission method and electronic device

A display device with a built-in camera is provided, including: a display panel, a first backlight module, a second backlight module, a third backlight module, a camera, a first light-shielding column, and a second light-shielding column. The camera is configured to acquire external light to take a picture. The first light-shielding column is configured to block light from laterally entering the first light-shielding column, and the second light-shielding column is configured to block light from laterally entering the second light-shielding column.

Display device with built-in camera

The present invention provides a backlight module and a display device. The present invention splices a substrate on a reflection plate. The reflection layer can effectively replace the reflection plate in function because of a high reflectivity of the reflection layer on the spliced portion between the substrate and the reflection plate, which guarantees extension of light and lowers requirement for assembling precision.

Backlight module and display device

A hardware acceleration method and system based on a scale-invariant feature transform algorithm in the field of hardware acceleration design of algorithms is disclosed. The architecture mainly includes two parts: keypoint detection and descriptor generation. Four buffers between these two parts are ping-ponged to increase the system processing speed. In the keypoint detection part, firstly, multi-layer Gaussian pyramid and Gaussian difference pyramid are calculated in parallel; through parallel calculation, the keypoints and gradient magnitudes and orientations are obtained. In the descriptor generation part, a keypoint region division strategy based on the circular keypoint region is provided, and the parallel calculation of a main orientation calculation module and a descriptor generation module are implemented. Finally, the output is obtained through descriptor rearrangement and dimensionality reduction module.

Hardware acceleration method and system based on scale-invariant feature transform algorithm

The technology of this application relates to a memory management method and apparatus. When garbage collection is performed by using the method, stored information about a first reference cycle is first obtained, where the first reference cycle is a cyclic reference formed by a plurality of objects, and the information about the first reference cycle includes the plurality of objects in the first reference cycle and a reference relationship between the plurality of objects. The method further includes determining that a second reference cycle exists, where information about the second reference cycle matches the information about the first reference cycle, and the information about the second reference cycle includes a plurality of objects in the second reference cycle and a reference relationship between the plurality of objects. The method further includes reclaiming memory occupied by the plurality of objects in the second reference cycle.

Memory management method and apparatus

Growing community of inventors

Shenzhen, China

Chao Wang