Sz Dji Technology Co., Ltd.

Huawei Technologies Co., Limited

Eaton Intelligent Power Limited

Shennan Circuits Co., Ltd.

Fujian Jingxi New Material Technology Co., Ltd.

Hao Luo

Wentao Wang

Dayang Zheng

Lei Zhang

Chaobin Chen

Zhou Yu

Jie Tian

Yuxin Zhuang

Leiqiang Zhang

Yang Zhou

Hua Miao

Kevin Lee

Di Ou

Juncheng Zhan

Bogao Xu

Xiaofeng Liu

Guodong Wang

Xiaoyuan Hong

Ji Liu

Hai Bo

Chaobo Xian

Xiaohua Yang

Jiancai Cai

Chaobing Chen

Liang Ning

Qiuyu Wu

A method includes a first electronic device that detects a signal strength when the first electronic device communicates with a second electronic device, and determines whether the signal strength is less than a preset value. When the signal strength is less than the preset value, the first electronic device determines a current service state of the second electronic device, and determines, based on the current service state, working modes including a first working mode and a second working mode that respectively correspond to the first electronic device and the second electronic device and that are suitable for the current service state. The first electronic device switches a working mode of the first electronic device to the determined first working mode, and sends an instruction to indicate to the second electronic device to switch a working mode of the second electronic device to the second working mode.

Wireless data transmission method and related device thereof

The present application relates to the technical field of circuit boards. In particular, disclosed are an optical fiber circuit board assembly and an electro-optical circuit board. The optical fiber circuit board assembly comprises a substrate, which comprises a substrate body, the substrate body at least being provided with a first window; and a plurality of optical fiber units, which are arranged on the substrate, wherein one end of each of the plurality of optical fiber units extends to the first window and is used for being coupled to a plurality of optical devices, and the other end of each of the plurality of optical fiber units extends to the outside of the substrate. By the means, according to the present application, the assembly of optical interconnection and electrical interconnection can be simplified, thereby greatly improving efficiency.

Optical fiber circuit board assembly and optical-electrical hybrid circuit board

The present disclosure provides a precursor solution of a semiconductor electrothermal film, which comprises component A, component B, and component C. The component A comprises the following components by weight: 2-10 parts of tin tetrachloride pentahydrate, 3-6 parts of stannous chloride and 0.3-1 part of glycerol, also comprises a pH regulator, the pH of the component A is 4.7-6.2; the component B comprises the following components by weight: 5-10 parts of conductivity regulator, the conductivity regulator is selected from a group consisting of antimony trichloride dihydrate, bismuth trioxide, aluminum oxide and thallium dioxide, 0.6-1 part chlorinated aluminum and a mixture thereof, also comprises a pH regulator, the pH of the component B is 4.7-5.0; the component C comprises the following components by weight: 0.5-0.7 parts of tin oxide, 0.8-1.5 parts of bismuth oxide and 15-25 parts of ethanol; also comprises 15-30 parts of distilled water. A preparation method of electrothermal film and electrothermal structure is further provided. The obtained semiconductor electrothermal film has good nature of resistance to sudden temperature changes, good temperature stability, attenuation resistance, fast heating speed, and high temperature resistance.

Semiconductor electrothermal film precursor solution and preparation method of semiconductor electrothermal film structure and electrothermal structure

A movable platform includes one or more propulsion units configured to provide a driving force to the movable platform and a control unit operatively coupled to the one or more propulsion units. The control unit is configured to: communicate with a plurality of batteries adapted to supply current to the one or more propulsion units; obtain one or more electrical characteristics of each of the plurality of batteries; and determine, based on the electrical characteristics, a controlling signal to set a power supply state for at least one of the plurality of batteries.

Multi-battery system and management thereof

An unmanned aerial vehicle (UAV) includes a central part, a frame assembly, and a propulsion assembly mounted to the frame assembly. The UAV also includes a servo mounted to the central part. The servo includes a driving apparatus, a control apparatus operably coupled with the driving apparatus, and a sensor configured to obtain operating parameters of the driving apparatus. The operating parameters include operating positions of the driving apparatus. The control apparatus is configured to control the driving apparatus to rotate to a predetermined position and stay at the predetermined position based on the operating positions of the driving apparatus obtained by the sensor.

Servo, control method, and unmanned aerial vehicle

Hair clip

A method for detecting an operational status of a battery including a plurality of cells includes obtaining static voltages and dynamic voltages of the cells and determining the operational status of the battery based on the static voltages and dynamic voltages.

System and method for determining an operational status of a battery

An intelligent battery system and methods for making and using the same are provided. The intelligent battery system can halve a pack of cells and a battery management system. ('BMS') for providing secondary protection for the pack of cells. The pack of cells can comprise cells with operating parameters such as capacities, voltages, currents, charge/discharge rates and/or lifecycles that are uniform, or different, among the cells. The BMS can comprise a gas gauge, a microcontroller and a MOS switch circuit for managing the pack of cells and providing the secondary protection based on chemical characteristics of the cells and operating parameters of the cells. The intelligent battery system advantageously can include cells that are replaceable. For purposes of storage and/or transportation an of the cells can be dissembled and assembled without affecting the capacity and performance of the intelligent battery.

Intelligent battery and method

A packet processing method in a computing system is disclosed. The computing system comprises a host, wherein at least one network interface card is connected to the host. The network interface card includes switching equipment and at least two network ports. A first network port is corresponding to at least one physical function PF and multiple virtual functions VFs. At least one VF of the first network port is provided for a first virtual machine on the host in a passthrough manner. The first virtual machine sends a data packet from the VF that is connected to the first virtual machine. Switching equipment of the first network port forwards the data packet according to a destination MAC address of the data packet, and sends the data packet to a virtual bridge on VMM of the host. The VMM provides abundant network function processing for the data packet.

Packet processing method in cloud computing system, host, and system

A battery for supplying current to a device includes one or more battery cores and a battery management system (BMS) electrically connected to the one or more battery cores. The BMS is configured to receive a controlling signal from a control unit of the device and control the one or more battery cores to supply current to the device based on the controlling signal.

A connecting device for motor and supply network is provided, comprising: a Variable Frequency Drive (VFD), a first switch (S) and a second switch (S), wherein the Variable Frequency Drive (VFD) is connected in series to the first switch (S), and the second switch (S) is connected in parallel to the series circuit composed of the Variable Frequency Drive (VFD) and the first switch (S). The connecting device of the invention further comprises a bidirectional Silicon Controlled Rectifier (SCR) or two anti-parallel single-directional Silicon Controlled Rectifiers (SCR,SCR), wherein the bidirectional Silicon Controlled Rectifier (SCR) or the two anti-parallel single-directional Silicon Controlled Rectifiers (SCR,SCR) is/are connected in parallel to the second switch (S). The connecting device of the present invention would not be subject to high current surge when VFD bypassing, avoids the high cost for the overrating of the cable and the bypassing switch, and is easy to be implemented.

Connecting device for motor and supply network

Hair band

A DOCKER container operating method and apparatus to operate, in a DOCKER container using a simple and efficient method, an application previously established in a virtual machine. A virtual machine image corresponding to a to-be-executed application is obtained according to an identifier of the to-be-executed application included in a received execution command. Metadata information of the virtual machine image and layer data corresponding to the DOCKER container may be read from all layer data in the virtual machine image, and the layer data corresponding to the DOCKER container is layer data required for operating the DOCKER container corresponding to the to-be-executed application. The DOCKER container corresponding to the to-be-executed application operates according to the read metadata information of the virtual machine image and the read layer data corresponding to the DOCKER container.

Docker container operating method and apparatus

A packet processing method in a cloud computing system is disclosed. The cloud computing system includes a host and a cloud management platform. At least one network interface card is connected to the host. The at least one network interface card includes at least three network ports. A first virtual machine running on the host sends a data packet to a second network port through a first network port using a network cable between the first and the second network port. The second network port sends the data packet to a virtual machine monitor (VMM) of the host for performing network function processing. The data packet is then sent to a second virtual machine via a third network port of the host after the network function processing.

Growing community of inventors

Shenzhen, China

Hao Luo