G01R 31 - Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere

Patents for G01R 31 - Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere (152,264)
12/2011
12/21/2011	CN102288887A 电子部件检查装置及电子部件搬送方法 Electronic component inspection apparatus and an electronic component transfer method
12/21/2011	CN102288886A 电池片电性能快速检测装置 The electrical properties of cells for rapid detection device
12/21/2011	CN102288885A 变压器内部故障检测窗 Transformer internal fault detection window
12/21/2011	CN102288884A 一种基于紫外光斑的外绝缘放电检测方法 External insulation discharge detection method based on UV spot
12/21/2011	CN102288883A 异步双端电力电缆振荡波局部放电识别与定位方法 Asynchronous double-ended power cable oscillation identification and localization of partial discharge
12/21/2011	CN102288882A 多通道电气设备局部放电监测系统及方法 Multi-channel electrical equipment partial discharge monitoring system and method
12/21/2011	CN102288881A 变压器油纸绝缘尖刺放电缺陷严重程度诊断方法 The severity of the diagnosis method of transformer oil-paper insulation defects discharge spikes
12/21/2011	CN102288880A 变频谐振耐压试验装置 Resonant frequency voltage test equipment
12/21/2011	CN102288879A 基于无线网络的开关柜局部放电超声检测装置 Based on partial discharge switchgear ultrasonic testing device for wireless network
12/21/2011	CN102288878A 架空配电线路故障监测系统 Overhead distribution line fault monitoring system
12/21/2011	CN102288877A 基于pci-e技术的矿用电缆网在线故障定位系统 Mine cable fault location system based on the online network pci-e technology
12/21/2011	CN102288876A 一种电力系统低频振荡在线预警方法 A power system low frequency oscillation online early warning methods
12/21/2011	CN102288875A 一种小电流接地选线方法 , A small current grounding line method
12/21/2011	CN102288874A 一种基于集中参数t的模型特高压交流输电线路区内外故障识别的测后模拟方法 A post-test simulation model to identify internal and external fault UHV AC transmission line area based on the lumped parameter t
12/21/2011	CN102288873A 一种基于平波电感元件性能方程测后模拟识别直流输电线路区内外故障的方法 Based on internal and external fault inductance measurement devices performance equation smoothing analog identification method DC transmission line area
12/21/2011	CN102288872A 基于信号注入法的小电流接地系统单相接地故障测距方法 Signal injection method of small current grounding system of single-phase ground fault location method based on
12/21/2011	CN102288871A 大跨距相间短路接地故障的判别与处理方法 Large span phase short circuit to ground fault identification and treatment of
12/21/2011	CN102288870A 一种fpga单长线及其直连开关的测试方法 Test method for long-term and direct connection fpga single switch
12/21/2011	CN102288869A 一种输电线路单端行波故障测距方法 One kind of transmission line Traveling Wave Fault Location Method
12/21/2011	CN102288868A 电压互感器二次线圈中性线一点接地检测装置及检测方法 Voltage transformer secondary winding neutral point grounding detection device and detection method
12/21/2011	CN102288867A 船舶遥控设备的断线检测装置 Ships disconnection detection device remote control device
12/21/2011	CN102288866A 一种输配电线路单相接地故障检测方法及检测设备 One kind of transmission and distribution lines of single-phase ground fault detection methods and testing equipment
12/21/2011	CN102288865A 一种输配电线路短路接地故障检测方法及检测设备 One kind of transmission and distribution lines shorted to ground fault detection methods and testing equipment
12/21/2011	CN102288864A 数字校线仪及采用该数字校线仪实现校线的方法 Digital calibration line instrument and method of using the digital calibration line instrument to achieve school lines
12/21/2011	CN102288863A 低压供电系统中有害电弧的探测装置和方法 Low voltage power supply system apparatus and method for detecting harmful arc
12/21/2011	CN102288862A 漏电闭锁检测电路 Leakage detection circuit lockout
12/21/2011	CN102288861A 高压电力电缆故障报警装置 High voltage power cable fault alarm
12/21/2011	CN102288860A 一种检测pt中性线断线的方法 Pt a method to detect the neutral line break
12/21/2011	CN102288859A 10kV馈线短路试验方法 10kV feeder circuit test methods
12/21/2011	CN102288858A 一种用于印制电路板的检测装置 A printed circuit board means for detecting
12/21/2011	CN102288857A 一种故障电弧的辨识检测方法及其检测保护装置 Identification and detection methods to detect an arc fault protection device
12/21/2011	CN102288856A 基于无线方式通讯的光伏极板故障危害检测设备和方法 Fault-based wireless photovoltaic plates hazard detection apparatus and method of communication
12/21/2011	CN102288855A 一种检查装置 A test device
12/21/2011	CN102288854A 开关柜故障电流采集装置 Switchgear fault current collection device
12/21/2011	CN102288853A 一种新型线路查找电笔结构 Find a new line electric pen structure
12/21/2011	CN102288852A 线材测试装置 Wire testing device
12/21/2011	CN102288851A 一种检测工作地和保护地连接的装置 Means for detecting a working ground and protection ground connection
12/21/2011	CN102288850A 氧化锌避雷器监测装置 MOA monitoring device
12/21/2011	CN102288849A 一种hart回路故障诊断仪及诊断方法 One kind hart circuit fault diagnostic and diagnostic methods
12/21/2011	CN102288848A 恒温晶体振荡器自动电流测试分析系统及方法 OCXO automatic current measurement and analysis system and method
12/21/2011	CN102288847A 一种充电桩工作特性的模拟装置及方法 An apparatus and method for charging pile simulated operating characteristics
12/21/2011	CN102288846A 一种射频功率管的测试方法 A test method of RF power transistors
12/21/2011	CN102288845A 用于电子仪器的尘埃测试设备和方法 Electronic Instruments dust test apparatus and method for
12/21/2011	CN102288844A 在金刚石对顶砧上集成电极的方法 In the diamond anvil on integrated electrode method
12/21/2011	CN102288843A 一种电能质量扰动信号检测方法 One kind of power quality disturbance signal detection method
12/21/2011	CN102288842A 基于wams滤除agc影响的一次调频在线评价方法 Online evaluation method based on a frequency modulation effects wams filtered agc
12/21/2011	CN102288841A 一种通用测试接口的插件识别系统和方法 A universal identification system and method for testing plug-in interface
12/21/2011	CN102288830A 一种单片机产生spwm信号激励的蓄电池阻抗检测装置 A SCM produce battery impedance detection device spwm excitation signal
12/21/2011	CN102288827A 电机绕组的阻值、温度、状态的实时检测电路及其方法 Real-time detection circuit and method of the motor winding resistance, temperature, state of
12/21/2011	CN102288826A 一种二合一特性阻抗探头 One kind of combo characteristic impedance probe
12/21/2011	CN102288813A 一种可检测正负电压的燃料电池堆单片电压巡检系统 A detectable positive and negative voltage of the fuel cell stack voltage chip inspection system
12/21/2011	CN102288810A 电压检测电路 Voltage detection circuit
12/21/2011	CN102288804A 一种基于正交变换的避雷器阻性电流计算方法 An arrester resistive current calculation method based on orthogonal transformation
12/21/2011	CN102288801A 接地故障电流的测量 Measurement of the ground fault current
12/21/2011	CN102288795A 一种节能型电子负载系统 An energy-saving electronic load system
12/21/2011	CN102288794A 检测led驱动器的电子负载 Detection led drive electronic load
12/21/2011	CN102288793A 探针卡及其制作方法以及测试半导体元件的方法 Probe card and method of making and testing a semiconductor element method
12/21/2011	CN102288494A 插头引线弯折测试系统及方法 Plug wire bending testing system and method
12/21/2011	CN102288416A 电动童车性能的综合测试方法及测试机 Electric Baby comprehensive performance test methods and test machine
12/21/2011	CN102288405A 阀门性能测试台 Valve performance test bed
12/21/2011	CN102284427A 模块集成电路分选机及模块集成电路分选机的上载方法 Upload method sorter module IC and module IC sorter
12/21/2011	CN101900772B 一种插箱等效器 One kind of plug-in box is equivalent
12/21/2011	CN101853558B 电缆防盗报警无线监控系统 Cable theft alarm wireless monitoring system
12/21/2011	CN101819940B 测试晶片的方法及测试结构 The method and the test wafer test structure
12/21/2011	CN101813740B 高压输电线路故障检测系统及检测方法 High-voltage transmission line fault detection system and detection method
12/21/2011	CN101813733B Msp85方式选择面板驱动测试仪 Msp85 mode selection panel drive tester
12/21/2011	CN101799517B 合封芯片以及合封芯片测试系统 Combined seal chips and chip seal fit testing system
12/21/2011	CN101788640B 基于fpga的半导体管特性实时测量控制器 Characteristics of semiconductor-based, real-time measurement controller fpga
12/21/2011	CN101782631B 主板电源兼容性测试装置 Motherboard power compatibility testing device
12/21/2011	CN101776724B 海缆线路测试结果查询的控制方法、装置及系统 The control method submarine line test results of the query, apparatus and system
12/21/2011	CN101762783B 一种片上测试电路有效误差信息的读出方法 An on-chip test circuitry effective error information readout method
12/21/2011	CN101740198B 一种具有在线监测能力的电容绝缘套管末屏装置 Capacitor insulating sleeve having an on-line monitoring capability of the late screen device
12/21/2011	CN101738551B 基于联网的暂态电能质量扰动智能分析方法 Perturbation analysis method based on intelligent networking of transient power quality
12/21/2011	CN101728298B 载置台 Stage
12/21/2011	CN101713804B 一种emi滤波器共模/差模滤波特性及其耦合度特性测试方法 One kind of common-mode filter emi / differential mode filtering characteristics and the coupling characteristics of the test method
12/21/2011	CN101706545B 保护跳闸出口回路试验方法 Loop test methods to protect exports trip
12/21/2011	CN101701994B 一种低频电缆网络导通绝缘测试方法 Low-frequency cable network conduction insulation test methods
12/21/2011	CN101697410B 一种电池充电器电路中采用的短路保护电路 A battery charger short-circuit protection circuit employed
12/21/2011	CN101697005B 一种燃料电池电堆氢氧串气快速检测方法 A fuel cell stack string hydrogen gas rapid detection method
12/21/2011	CN101672896B 后备蓄电池容量在线判断法 Online backup battery capacity judgment method
12/21/2011	CN101581733B 探针装置和接触位置的修正方法 Correction method and apparatus of the contact position of the probe
12/21/2011	CN101568846B 用于确定可充电电池的放电终止阈值的方法 Means for determining a rechargeable battery discharge termination threshold method
12/21/2011	CN101567475B 基于电流分段检测技术的锂电池/电池组计量和保护的电路 Segmentation based on the current detection technology lithium battery / battery metering and protection circuitry
12/21/2011	CN101566509B 可替换的改进的电子体温计结构 Alternative structure improved electronic thermometer
12/21/2011	CN101539611B 一种开关磁阻电机绕组互感的测量方法 A method of measuring the mutual inductance of switched reluctance motor windings
12/21/2011	CN101535825B 用于测试机械手的测试托盘 Test for testing the tray manipulator
12/21/2011	CN101477173B 单板的电路测试方法和单板 The circuit board testing methods and veneer
12/21/2011	CN101458309B 电动汽车电机驱动系统快速温升测量装置及测量方法 Electric vehicle motor drive system fast temperature measurement devices and measurement methods
12/21/2011	CN101430361B 检查装置 Inspection device
12/21/2011	CN101427144B 测试信号发生装置 Test signal generating means
12/21/2011	CN101241166B 测量装置特性变化的可扫描虚拟轨道方法与环形振荡器电路 Measuring device characteristics change scannable virtual orbital method and ring oscillator circuit
12/21/2011	CN101201371B 印刷电路检测装置和方法 Printed circuit detection apparatus and method
12/20/2011	US8082477 Method of memory build-in self-test
12/20/2011	US8082116 Method for estimating life status of lithium battery
12/20/2011	US8081664 Method and arrangement for regenerating a timing signal in digital data communication
12/20/2011	US8081600 Systems and methods for communicating between base stations and wireless stations
12/20/2011	US8081579 Communication control apparatus, wireless communication apparatus, communication control method and wireless communication method
12/20/2011	US8081578 Methods, systems, and computer readable media for automatically categorizing voice over internet protocol (VoIP) subscriber devices in accordance with VoIP test and call quality data
12/20/2011	US8081573 Automatic sequencing based on wireless connectivity
12/20/2011	US8081568 Role determination for network devices

1 ... 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 ... 1523