Huawei Technologies Co., Limited

Dongguan Luxshare Technologies Co., Ltd

Amlogic (shanghai) Co., Ltd.

Other

Zte Corporation

Empire Technology Development LLC

Huawei Digital Power Technologies Co., Ltd.

Tao Zeng

RongZhe Guo

Bin Huang

Hongji Chen

Ming Li

KaiDe Wang

ShuYao Shen

Yong Wang

Li Wang

Haitao Zhang

Tong Li

Bing Zhang

Xueying Hou

Kang Chung Liu

Shaohua Wang

Xin Fan

Yunpeng Xie

Liming Li

Dongyan Wang

Xiaojie Yang

Haishan Guo

Hu Qi

Lida Tian

Jiao Geng

Yong Wan

Jing Ge

Lihong Jiang

Huayin Zheng

Jianzhong Deng

Deqiang Wang

An electrical connector connected with a cable connector connected to cables. The cable connector comprises a plurality of ground terminals, a plurality of signal terminals, and an electromagnetic shielding member. The electrical connector comprises a circuit board, a plurality of ground conductive pads, a plurality of signal conductive pads, and a shielding ground conductive pad. The circuit board comprises two electrical connecting areas that are parallel to each other along first direction. The plurality of ground conductive pads are disposed on a surface of the circuit board at intervals. At least one signal conductive pad is disposed between two adjacent ground conductive pads along second direction that is perpendicular to the first direction. Each of the signal conductive pads being directly connected with the corresponding signal terminal and not directly connected to the cables. The shielding ground conductive pad is disposed on the surface of the circuit board.

Electrical connector with ground terminals and shielding ground terminals around signal terminals

An electrical connector connected with a cable connector. The cable connector comprises a plurality of ground terminals, a plurality of signal terminals, and an electromagnetic shielding member. The electrical connector comprises a circuit board, a plurality of ground conductive pads, a plurality of signal conductive pads, and a shielding ground conductive pad. The circuit board comprises an electrical connecting area. The plurality of ground conductive pads are disposed on a surface of the electrical connecting area of the circuit board at intervals. The plurality of signal conductive pads are disposed on the surface of the electrical connecting area of the circuit board at intervals. At least one signal conductive pad is disposed between two adjacent ground conductive pads. The shielding ground conductive pad is disposed on the surface of the electrical connecting area of the circuit board and is disposed on one side of the plurality of ground conductive pads.

The present disclosure provides a terminal assembly and an electrical connector. The terminal assembly comprises a plurality of terminals and an insulating body. The plurality of terminals comprises a plurality of signal terminals and a plurality of ground terminals. The plurality of signal terminals and the plurality of ground terminals are disposed at intervals. The plurality of signal terminals are disposed between two adjacent ground terminals. The plurality of signal terminals of two adjacent ground terminals form a signal pair. The distance between a centerline of each of the signal terminals and a centerline of an adjacent ground terminal is greater than the distance between the centerline of each of the signal terminals and a centerline of an adjacent signal terminal. The insulating body is disposed at the plurality of terminals.

Terminal assembly and electrical connector

A terminal assembly and an electrical connector. The terminal assembly comprises a plurality of terminals, an insulating body, a first electromagnetic shielding member, and a second electromagnetic shielding member. The plurality of terminals comprises a plurality of signal terminals and a plurality of ground terminals. The signal terminals and the ground terminals are disposed at intervals. At least one signal terminal is disposed between two adjacent ground terminals. The insulating body is disposed at the plurality of terminals. One end of each terminal protrudes from one side of the insulating body, while the other end is exposed from the insulating body. The first electromagnetic shielding member is disposed at one side of the insulating body and is connected with the plurality of ground terminals. The second electromagnetic shielding member is disposed at the other side of the insulating body and is opposite to the first electromagnetic shielding member.

The present invention relates to processor testing technology, specifically relating to a method for automatically testing a processor, the method comprising: S, carrying out test preparation; S, setting an operation voltage and a clock frequency of a processor to be tested; S, carrying out load testing at the current operation voltage and clock frequency; S, determining whether the processor is normal during current load testing; if yes, then turning to step S; if no, then raising the current operation voltage by a first growth value and returning to step S; and S, recording an operation voltage, subject to load testing, which corresponds to the current clock frequency as a test result and determining whether the current clock frequency reaches an upper limit; if yes, then ending the operation; if no, then raising the current clock frequency by a second growth value and returning to step S. The described method is capable of implementing the automatic testing of processors and rapidly and effectively obtaining operation voltages corresponding to clock frequencies when the processors are operating normally, and is thus suitable for a plurality of platforms.

Method for automatically testing processor

A method for releasing memory allocated by a contiguous memory allocator that merges a to-be-released memory page with an adjacent free page to form a memory block that can be released more efficiently than would be the case when releasing a series of un-merged memory pages.

Method for releasing memory

A memory/multi-core concurrent memory allocation method, which is applied to an embedded system, wherein a kernel module and a plurality of application programs are provided. The memory allocation method comprises: acquiring first memory allocation requests of the plurality of application programs; the kernel module determining whether preset screening marks exist in the first memory allocation requests; when screening marks exist in the first memory allocation requests, prohibiting allocating memory for the current application program managed by a contiguous memory allocator. By adopting the memory allocation method, the application programs which occupy contiguous memory allocated by the continuous memory allocator for a long time can be screened and removed, then contiguous memory allocation can be provided for the drivers in a shorter time, and the corresponding contiguous continuous memory can be allocated for the drivers through a plurality of processing units at the same time with a higher efficiency.

CMA memory allocation method based on screening marks

The present invention relates to the technical field of battery detection, and in particular, to a battery detection method, comprising: step S, selecting, within a preset voltage interval, a preset number of voltage calibration values according to a rated parameter of a battery; step S, performing charge and discharge tests on the battery, and recording a coulometer reading and a charge and discharge curve, corresponding to each voltage calibration value, of the battery; and step S, calibrating the charge and discharge curve on the basis of the coulometer readings. The technical solution can acquire an accurate battery charge and discharge curve, is not limited by the calibration platform provided by the manufacture, can adapt to various battery models, and has high reliability and real-time performance.

Battery detection method

A method for detecting a memory leak based on Linux kernel, applied to an detection of the memory leak, comprises: reading a node, acquiring the return addresses of the allocation functions of each of the plurality of memory pages and the number of the memory pages thereof; releasing the return addresses of the allocation functions and the number of the memory pages counted by the node; reading the node again, acquiring the return address of each of the allocation functions and the number of the memory pages thereof; comparing the number in each case to calculate a difference value, if the difference value is a positive value and monotonically increases, it's determined that the memory leak occurs in the memory pages allocated correspondingly by the allocation functions. During the detection of the memory leak, the detection method consumes less memory without affecting the efficiency in allocating and releasing the memory.

Method for detecting memory leak based on linux kernel

A frequency demultiplication adjustment method of PLL comprises obtaining a plurality of corresponding frequency demultiplication frequency points according to a default frequency demultiplication value of a phase-locked loop; obtaining a load state of the processor within a predetermined sampling period, and obtaining a target frequency point of the processor by the processor frequency adjustor; determining a frequency range of a virtual frequency point to be added according to the position of the target frequency point; performing calculation within the frequency range to obtain equivalent frequencies corresponding to virtual frequency points; judging whether the frequency of the target frequency point is equal to the equivalent frequency corresponding to the virtual frequency points; if not, switching the processor frequency adjustor to the corresponding frequency demultiplication frequency point; and adjusting the frequency demultiplication value of the phase-locked loop which outputs a clock source signal corresponding to the virtual frequency points to the processor.

Frequency demultiplication adjustment method of PLL

The present disclosure relates to the technical field of assembled concrete frame structures, and discloses a prestressed assembled concrete frame-joint connecting structure and constructing method thereof. The present disclosure includes a prefabricated concrete column, a prefabricated concrete superposed beam, a composite slab, a post-tensioned prestressing tendon that connects the prefabricated concrete column and the prefabricated concrete superposed beam, a bending-resistant energy consuming steel bar and a shearing-resistant high-strength steel bar.

Prestressed assembled concrete frame-joint connecting structure and constructing method thereof

The disclosure relates to detecting seismic movements and providing at least one alarm notification based on the detected seismic movement. Particularly, a sensor device, which may be positioned in a subterranean part of a structure, may detect a seismic movement. The sensor device may make a determination as to whether the received seismic movement is greater than a predetermined threshold. If the seismic movement is greater than a predetermined threshold, the sensor device may transmit an alarm notification to one or more alarm devices, which may be located within the structure, indicating the seismic movement. The alarm device(s) may provide an alarm, notifying people in the structure of the seismic movement. This may provide an opportunity for the people to leave the structure before the seismic movement reaches the structure.

Wireless earthquake alarm based on mems accelerometers

A multicast control method in an Ethernet passive optical network, the method includes steps: (A) configuring different id for user-end devices and their user ports; labeling users on office-end devices by using id for user-end devices and their user ports; setting up user's multicast authorization table; (B) based on the multicast authorization table, office-end devices control user's multicast authority; based on the controlled result, setting up multicast filtration tables and user filtration tables for user-end devices; based on the multicast filtration tables and user filtration tables, user-end devices filter multicast data, and forward them to users having multicast authority. The method controls multicast for different user ports on the same user-end device so as to raise security of multicast.

Growing community of inventors

Beijing, China

Tao Zeng