Byd Company Limited

Huawei Technologies Co., Limited

Zte Corporation

Hon Hai Precision Industry Co., Ltd.

Hong-fu Jin Precision Industry (shenzhen) Co., Ltd.

Shenzhen Byd Auto R&d Company Limited

Shenzhen Jinzhou Precision Technology Corporation

Other

Panasonic Corporation

Tencent Technology (shenzhen) Company Limited

Panasonic Ecology Systems Guangdong Co., Ltd.

Byd Auto Industry Company Limited

Qiang Guo

Liang Chen

Rui Zhou

Mengjue Liao

Mengde Wang

Wei An

Lin Zhang

Jian Sun

Yunchun Li

Lei Zhang

Weiliang Zhang

Tao Yang

Bin Zhang

Qing Gong

Liquan Yuan

Xiao Zhang

Lei Zhou

Yang Yang

Rong Wang

Shiyi Cao

Bin Fang

Xiaofeng Yang

Min Long

Xiaodong Wang

Zhengquan Huang

Yongliang Xie

Lan-Yi Feng

Min Tan

Liang Zhu

Linguo Wang

Mingming Cheng

Minghui Liu

Youping Ren

Qun Cheng

Ke Lu

Tao Xu

Mengmeng Cao

Zhiqun Yang

Guanxian Liang

Kui Ouyang

Honglai Wang

Ningguo Shen

Yanqin Wu

Yaping Liu

Jingsong Fu

Siquan Zhang

Danhua Wen

Lili Tang

Ruishan Chen

Shengling Wu

Juhao Li

Jinglong Zhu

Yongqi He

Kouji Shinzaki

Lianyu Fu

Jianguo Qu

Yun Cheng

Ruijin He

Yuanfeng Wu

Junying Feng

Zhengwei Guo

Quanyu Gong

Chunmeng Zhang

Shuibing Rao

Wenlong Li

An aluminum alloy and applications thereof are disclosed. Based on the total weight of the aluminum alloy, the aluminum alloy includes: 8-11% of Si, 2-4% of Cu, 0.6-4% of Zn, 0.65-1.1% of Mn, 0.35-0.65% of Mg, 0.001-0.05% of Cr, 0.01-0.03% of Sr, 0.08-0.12% of Ti, 0.008-0.02% of B, 0.1-0.3% of Fe, 0.01-0.02% of Ga, 0.008-0.015% of Sn, and the balance of Al and less than 0.1% of other elements.

Aluminum alloy and application thereof

A die-cast aluminum alloy and a preparation method and use thereof are disclosed. Based on the total mass of the die-cast aluminum alloy, the die-cast aluminum alloy includes: 4-9 wt % of Mg; 1.6-2.8 wt % of Si; 1.1-2 wt % of Zn; wt % of Mn; 0.1-0.3 wt % of Ti; 0.009-0.05 wt % of Be; the balance of Al; and less than 0.2 wt % of inevitable impurities.

Die-cast aluminum alloy and preparation method and use thereof

Embodiments of an optical amplification apparatus are disclosed which include a first optical amplifier, a second optical amplifier, and a mode exchanger. The first optical amplifier is connected to an input port of the mode exchanger, and the second optical amplifier is connected to an output port of the mode exchanger. The first optical amplifier is configured to amplify optical signals carried in a plurality of transmission modes of a few-mode fiber, the plurality of transmission modes of the few-mode fiber may be grouped into N groups, each group includes two transmission modes, and N is a positive integer greater than or equal to 1. The mode exchanger is configured to exchange the two transmission modes carrying optical signals in each group. The second optical amplifier is configured to amplify the optical signals that are carried in the two transmission modes in each group and whose modes are exchanged.

Optical amplification apparatus, and mode division multiplexing system including optical amplification apparatus

A die-cast aluminum alloy and a preparation method and application thereof are disclosed. Based on the total weight of the aluminum alloy, the aluminum alloy includes: 8-11 wt % of Si, 2.5-5 wt % of Cu, 0.5-1.5 wt % of Mg, 0.1-0.3 wt % of Ni, 0.6-1.2 wt % of Fe, 0.1-0.3 wt % of Cr, 0.03-0.05 wt % of Sr, 0-0.3 wt % of Er, 80.25-88.1 wt % of Al, and 0.1 wt % or below of impurities.

Aluminum alloy and preparation method and application thereof

An aluminum alloy based on a total weight of the aluminum alloy, in percentages by weight, includes 9.12% of Si, 8-11% of Zn, 0.5-1.5% of Mg, 0.2-0.8% of Cu, 0-0.6% of Fe, 0.08-0.25% of Mn, 0-0.10% of Sr, 0-0.05% of Sc, 0-0.5% of Er, and 73.2-82.22% of Al.

Aluminum alloy, preparation method, and aluminum alloy structural member

A communication system is provided. The communication system may include few mode fibers of at least two spans and a mode converter. The few mode fiber is configured to transmit M received mode groups, where group delays of the M mode groups during transmission in the few mode fiber are symmetrically distributed about a center. The mode converter is configured to: receive the M mode groups from the few mode fiber, perform mode group exchange between a first mode group and a second mode group in the M mode groups to obtain M exchanged mode groups, where a group delay of the first mode group and a group delay of the second mode group are symmetric about the center.

Communication system

A heat spreader and an illumination device including the heat spreader are disclosed. The heat spreader includes a first substrate and multiple first heat dissipation fins, the multiple first heat dissipation fins are arranged side by side on the first substrate at intervals in a first preset direction, and the heat spreader meets constraints of the following Relational expression 1: N∈{L/[+9], L/[+9]+2} and Relational expression 2: H∈{[(δ+δ)/2−1.2]/tan 2θ, [(δ+δ)/2+1.2]/tan 2θ}. L represents a length of the first substrate in the first preset direction, represents a weighted average thickness of the multiple first heat dissipation fins, N represents a distribution number of the first heat dissipation fins, δrepresents a maximum thickness of the first heat dissipation fin, δrepresents a minimum thickness of the first heat dissipation fin, θ represents a draft angle of the first heat dissipation fin, and H represents a distribution height of the first heat dissipation fin.

Heat spreader and illumination device

A filter includes a first filter component coupled to a second filter component. The first filter component is configured to receive an optical signal, and filter the optical signal based on a first power difference of signals transmitted on a plurality of frequency bands in the optical signal, where the first power difference includes a difference caused by a first doped optical fiber. The second filter component is loaded with a first driving electrical signal used to control a frequency response of the second filter component. The second filter component is configured to filter, using the frequency response based on a second power difference of the signals transmitted on the plurality of frequency bands, an optical signal obtained after the filtering by the first filter component.

Filter, optical amplifier, communication system, filtering method, and optical amplification method

An optical fiber filter includes a fiber core, inner cladding, and outer cladding. A refractive index of the fiber core, a refractive index of the inner cladding, and a refractive index of the outer cladding progressively decrease in sequence. The fiber core is configured to transmit at least two mutually different first optical signal modes, the inner cladding is configured to transmit at least two mutually different second optical signal modes, and at least one fiber grating is etched on the fiber core. At least part of optical power of a target first optical signal mode is coupled to only a target second optical signal mode at the fiber grating. The target first optical signal mode is one of the at least two first optical signal modes, and the target second optical signal mode is one of the at least two second optical signal modes.

Optical fiber filter and optical fiber amplifier

The present disclosure relates to a copper based microcrystalline alloy and a preparation method thereof, and an electronic product. In percentage by weight and based on the total amount of the copper based microcrystalline alloy, the copper based microcrystalline alloy includes: 30-60 wt % of Cu; 25-40 wt % of Mn; 4-6 wt % of Al; 10-17 wt % of Ni; 0.01-10 wt % of Si; and 0.001-0.03% of Be.

Copper based microcrystalline alloy, preparation method thereof, and electronic product

An aluminum alloy and a preparation method thereof are provided. The aluminum alloy of the present disclosure includes, in percentage by weight, 8-10% of silicon, 0.2-0.4% of magnesium, 0-0.01% of manganese, 0-0.01% of titanium, 0.1-0.3% of iron, 0.02-0.06% of boron, 0.15-0.3% of cerium, and 88.92-91.53% of aluminum.

Aluminum alloy and preparation method thereof

A multifunctional neurophysiologic monitoring and probing system, having a main unit (), a main wire (), negative electrode neurophysiologic monitoring and probing parts and positive electrode neurophysiologic monitoring and probing parts; one end of the main wire () is connected with the main unit (); another end of the main wire is divided into two branch wires connecting with the negative electrode neurophysiologic monitoring and probing parts and the positive electrode neurophysiologic monitoring and probing parts respectively.

Multifunctional neurophysiologic monitoring and probing system and a method of implementing the same

The disclosure relates to a Cu-based microcrystal alloy and a preparation method thereof. Through being measured in percentage by mass, the Cu-based microcrystal alloy provided by the disclosure includes 20 to 30 percent of Mn, 0.01 to 10 percent of Al, 5 to 10 percent of Ni, 0.3 to 1.5 percent of Ti, 0 to 1.5 percent of Zr, 0.05 to 2 percent of Si and 45 to 74.64 percent of Cu.

Cu-based microcrystal alloy and preparation method thereof

A power supply control device for a communication network includes: a monitoring module () and N voltage-adjustable Direct Current/Direct Current (DC/DC) modules (N). The monitoring module is configured to detect circuit data of each of power supply circuits (1,2, . . . i), compare the circuit data with each other, calculate an average value, analyze required output circuit data of each of the power supply circuits, and transmit the required output circuit data of the power supply circuits to respective the voltage-adjustable DC/DC modules. The voltage-adjustable DC/DC modules are configured to receive the required output circuit data of the power supply circuits, and adjust output voltages of the power supply circuits according to the output circuit data. Output ends of all of the voltage-adjustable DC/DC modules are connected in parallel to supply power to a subordinate electro-load. Also disclosed is a power supply control method for the communication network.

Power supply control device and method for communication network

A control apparatus and control method for power supply of a communication network are provided. The method includes: detecting circuit data of each power supply circuit, comparing the circuit data of the each power supply circuit to get an average value, and analyzing output circuit data that the each power supply circuit should have; adjusting an output voltage of each power supply circuit according to the output circuit data that each power supply circuit should have; and connecting output voltages of all the power supply circuits in parallel and supplying power to a next stage electrical load.

Control device and method for power supplying of communications network

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Shenzhen, China

Qiang Guo