Patents
Patents for G01R 19 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof (29,850)
01/2015
01/01/2015US20150002327 Integrating A/D Converter
01/01/2015US20150002302 Current-coordinating system suitable for the redundancy of electrical equipment
01/01/2015US20150002179 Voltage detector, electronic device, and control method of voltage detector
01/01/2015US20150002139 Systems and methods for shielding current transducers
01/01/2015US20150002136 Measurement probe providing different levels of amplification for signals of different magnitude
01/01/2015US20150002135 Polarity sensing circuit
01/01/2015US20150002133 Method for Operating a Microcomputer Apparatus
01/01/2015US20150001965 Method for Determining and Operating Temperature of an Electronic Component
12/2014
12/31/2014CN204069172U 带电检测集成系统 Charged detection integrated system
12/31/2014CN204068680U 一种初级电流采样电路 An entry-level current sampling circuit
12/31/2014CN204068213U 一种锂电池保护系统及其过流检测电路 One kind of lithium battery protection system and over-current detection circuit
12/31/2014CN204068191U Afdd故障电弧保护器 Afdd arc fault protection
12/31/2014CN204068145U 一种安全的输电线路杆塔 A secure transmission line tower
12/31/2014CN204068048U 高压线路检修智能电子辅助装置 High-voltage line maintenance intelligent electronic aids
12/31/2014CN204068040U 多功能接口式令克棒 Multi-connector type Pulling
12/31/2014CN204065704U 一种软件控制远距离检测电源开关 A software controlled remotely detect power switch
12/31/2014CN204065374U 新型逆变器检测滤波单元 The new inverter detects filter unit
12/31/2014CN204065346U 不接地系统用熔断器长时电流作用装置 Ungrounded systems current role long fuse device
12/31/2014CN204065328U 变压器局部放电试验检测信号同步装置 Transformer partial discharge detection signal synchronization means test
12/31/2014CN204065327U 变压器局部放电试验组合式可调节检测阻抗装置 Transformer partial discharge detection test modular adjustable impedance device
12/31/2014CN204065312U 母线专用电流互感器变比检测仪 Dedicated bus current transformer ratio detector
12/31/2014CN204065306U 一种盘式绝缘子串表面泄漏电流集流装置 A disc insulator string surface leakage current collector device
12/31/2014CN204065294U 带屏蔽功能的避雷器在线监测信号采集装置 Arrester line monitoring signal acquisition device with shielding function
12/31/2014CN204065293U 带屏蔽功能的避雷器在线监测装置 Arrester line monitoring device with a shielding function
12/31/2014CN204065289U 用于弧光保护装置的检测设备 Testing equipment for arc protection devices
12/31/2014CN204065274U 一种220kv避雷器在线监测传感器 One kind of 220kv arrester line monitoring sensors
12/31/2014CN204065233U 一种三相电表的电压采样电路 A three-phase voltage meter sampling circuit
12/31/2014CN204065230U 一种电动汽车用隔离型直流母线电压检测电路 An electric car with isolated DC bus voltage detection circuit
12/31/2014CN204065229U 接触网带电实时检测装置 Catenary live real-time detection device
12/31/2014CN204065228U 绝缘监测仪 Insulation monitors
12/31/2014CN204065227U 无感脉冲电流检测装置 No sense of pulse current detection device
12/31/2014CN204065226U 一种瞬时峰值电压测量仪 One kind of instantaneous peak voltage meter
12/31/2014CN204065225U 量程自适应电流检测光纤传输系统 Current detection range of adaptive optical transmission systems
12/31/2014CN204065224U 一种永磁操作机构电流信号的数据采集装置 An operating mechanism of permanent magnet current signal data acquisition device
12/31/2014CN204065223U 一种光耦驱动的过零检测电路 One kind of opto-driven zero-crossing detection circuit
12/31/2014CN204065222U 电解电容残余电压指示装置 Electrolytic capacitor residual voltage indicating device
12/31/2014CN204065221U 一种电缆接头尾部验电装置 A cable connector tail electrical inspection device
12/31/2014CN204065220U 电流倍化测试钳装置 Doubling the current test clamp device
12/31/2014CN204065219U 盘状电池检测设备 Discoid battery testing equipment
12/31/2014CN204065218U 一种无源无损高频磁隔离型直流电压检测电路 A passive lossless high-frequency magnetic-isolated DC voltage detection circuit
12/31/2014CN204065217U 一种电压矢量检测装置 A voltage-vector detection device
12/31/2014CN204065216U 高压电气设备用霍尔电流传感器绝缘套件 High-voltage electrical equipment insulated current sensor suite
12/31/2014CN204065215U 一种pcb在线电压测试器 One kind pcb line voltage tester
12/31/2014CN204065214U 有五个步进盘的电压测量装置 There are five stepping plate voltage measuring means
12/31/2014CN204065213U 零序电流互感器断线检测电路与剩余电流检测电路 Zero sequence current transformer burnout detection circuit and the residual current detection circuit
12/31/2014CN204065212U 电压转换器 Voltage converter
12/31/2014CN204065211U 直流电压范围检测声报器 Voice of the DC voltage range detection device
12/31/2014CN204065210U 线性变化的隔离式直流电压采集电路 Linear variation of isolated DC voltage acquisition circuit
12/31/2014CN204065209U 一种电流隔离检测电路 A current detection circuit isolation
12/31/2014CN204065156U 用于天馈浪涌保护器辅助测试的装置 Days fed surge protection device for auxiliary test
12/31/2014CN104254472A 检测铁路系统故障的方法和装置 Railway system fault detection method and apparatus
12/31/2014CN104253419A 带内熔丝的高压电容器不平衡保护防扰动跳闸方法 High voltage capacitor band fuse unbalance protection tamper-proof method trip
12/31/2014CN104253418A 高压电容器不平衡保护动态段和静态段延时配合方法 High voltage capacitor unbalance protection delay method with dynamic and static segment segment
12/31/2014CN104253417A 过零信号产生和同步通讯电路、方法及家电设备 Zero-crossing signal generator and synchronous communications circuits, methods and appliances
12/31/2014CN104251958A 一种机械线路断电检测电笔 A mechanical pencil line outage detection
12/31/2014CN104251956A 带屏蔽功能的避雷器在线监测装置 Arrester line monitoring device with a shielding function
12/31/2014CN104251932A 一种测量正弦电压信号的方法及其系统 A measuring sinusoidal voltage signal method and system
12/31/2014CN104251931A 通用可更换式带电指示装置 Universal Replaceable charged indicating device
12/31/2014CN104251930A 一种线路板断电查找电笔 A circuit board electrical power failure to find a pen
12/31/2014CN104251929A 自取电式电流测量装置 Self-created electric current measurement device
12/31/2014CN104249325A 一种多功能螺丝刀 A multifunctional screwdriver
12/31/2014CN103018532B 高速电压跌落检测方法及系统 High-speed voltage drop detection method and system
12/31/2014CN102955095B 一种同步获取输电线路任意两端电信号的方法 A synchronous acquisition method to any electrical transmission line ends
12/31/2014CN102739066B 一种感应式电流电压变换器及实现高频电流测量的方法 An inductive current-voltage converter and high frequency current measurement methods
12/31/2014CN102735914B 同步整流电路以及过零检测方法 Synchronous rectifier circuit and zero-crossing detection method
12/30/2014US8924183 Systems and methods for predicting the useable life of a photoreceptor in imaging devices
12/30/2014US8923025 Apparatus and methods for feedback sensing in multi-cell power supplies
12/30/2014US8922193 Current meter
12/30/2014US8922192 Multiphase electrical power phase identification
12/30/2014US8922169 Semiconductor circuit, battery cell monitoring system, computer readable medium storing diagnostic program and diagnostic method
12/30/2014US8920026 Accurate current sensing with heat transfer correction
12/25/2014US20140375342 A bi-directional input, bi-directional output, lossless current sensing scheme with temperature compensation
12/25/2014US20140375341 Die Fracture Detection and Humidity Protection with Double Guard Ring Arrangement
12/25/2014US20140375333 Overcurrent detection apparatus and intelligent power module using same
12/25/2014US20140375332 Method of valley inductance current polarity detection in a pulse width modulated circuit with an inductive charge
12/25/2014US20140375327 Device and method for monitoring a voltage supply for a vehicle system
12/25/2014US20140375305 Measurement module, electronic apparatus, power supply tap, power supply unit, and built-in measurement module
12/25/2014US20140375301 Device and method for protecting a consumer
12/25/2014US20140375299 Non-intrusive measurement of a wafer dc self-bias in semiconductor processing equipment
12/24/2014CN204046448U 交流-直流转换器中的输出电压动态采样电路 AC - DC converter output voltage dynamic sampling circuit
12/24/2014CN204044573U 一种微电子相敏接收器 A microelectronic phase-sensitive receiver
12/24/2014CN204044338U 便携式直流电源模拟接地测试仪 Portable DC Power Analog Ground Tester
12/24/2014CN204044331U 一种多功能供电系统蓄电池组电压快速测量工具 A versatile power supply system battery voltage rapid measurement tools
12/24/2014CN204044329U 发电机组蓄电池过压报警电路 Generator battery overvoltage alarm circuit
12/24/2014CN204044273U 新型控制回路接地检测电路 The new control circuit ground fault detection circuit
12/24/2014CN204044240U 双积分直流电压表 Double integral DC voltmeter
12/24/2014CN204044239U 一种基于线性光耦的电力交流模拟量信号的测量装置 Measuring device based on linear optocoupler power AC analog signal
12/24/2014CN204044238U 交流电压采样电路 AC voltage sampling circuit
12/24/2014CN204044237U 一种高精度直流电流霍尔数字传感系统 A high precision DC current Hall Digital Sensor System
12/24/2014CN204044236U 一种漏电流检测电路 One kind of leakage current detection circuit
12/24/2014CN204044235U 交流输入漏电流电流值可调保护报警电路 AC input leakage current is adjustable alarm circuit protection
12/24/2014CN204044234U 一种高精度过流检测电路及稳压电源 A high precision over-current detection circuit and power supply
12/24/2014CN204044233U 一种带自测功能的试电笔 Test pencil with a self-test function
12/24/2014CN204044232U 一种通过监测避雷器泄漏电流的高压带电显示装置 An arrester leakage current by monitoring the voltage live display devices
12/24/2014CN204044231U 一种检测公交站亭跳闸的电子装置 An electronic device testing trip bus stop kiosks
12/24/2014CN204044230U 与微机防误闭锁系统配套的高压带电显示装置 And computer error lockout prevention system supporting high-voltage electric display device
12/24/2014CN204044229U 安全工器具多功能试验箱 Safety equipment multifunction chamber
12/24/2014CN204044228U 通信通道的检测仪 Communication channel detector
12/24/2014CN204044227U 车载保险丝电流测量装置 Car fuse current measurement device
12/24/2014CN204044226U 一种避雷器在线检测装置 An arrester line detection device
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