Patents for G01R 19 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof (29,850) |
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12/10/2014 | CN204008812U 一种漏电流测量装置 One kind of leakage current measurement device |
12/10/2014 | CN204008811U 一种抗干扰差分式电流传感器芯片 One kind of interference differential current sensor chip |
12/10/2014 | CN204008810U 一种电流检测电路 A current detection circuit |
12/10/2014 | CN204008809U 静电电压测试传感器 Electrostatic voltage test sensor |
12/10/2014 | CN204008808U 交流电窜入直流系统的检测及迫跳装置 Detection and fleeing forced Tripper AC DC system |
12/10/2014 | CN204008807U 一种发电机定子绕组槽电位探测器 An electric generator stator winding slots potential probe |
12/10/2014 | CN204008806U 一种用于铁路相敏轨道电路的轨道测试盘 Track test disc for a railway track circuit phase-sensitive |
12/10/2014 | CN204008805U 基于金属氧化物避雷器分压型宽频电压传感器 MOA-based broadband division type voltage sensor |
12/10/2014 | CN204008804U 车载单元和车载单元的工作电流检测系统 Working current detection system mounted unit and car units |
12/10/2014 | CN204008803U 一种基于Pockels效应的光学VFTO测量传感器 A measuring sensor based on optical VFTO Pockels effect |
12/10/2014 | CN204008802U 高低压成套开关柜智能仪表 High and low voltage switchgear, intelligent instruments |
12/10/2014 | CN204008801U 一种板状电压传感器 One kind of plate-voltage sensor |
12/10/2014 | CN204008795U 一种应用于变压器的全光纤电流互感器传感头结构 Applied to all-optical current transformer transformer sensor head structure |
12/10/2014 | CN204008794U 一种单边瓣间干涉式全光纤电压互感器 Between a unilateral flap interferometric all-optical voltage transformer |
12/10/2014 | CN204008793U 一种中点耦合式光纤电流互感器 A Midpoint fiber optic current transformer coupled |
12/10/2014 | CN204008792U 应用于高压电能计量系统的10kV三相电子式电流电压互感器 Applied to the high-voltage three-phase energy metering system electronic current 10kV voltage transformer |
12/10/2014 | CN204007772U 变电站防汛监测系统 Substation flood monitoring system |
12/10/2014 | CN204002727U 抽油机测电流标记仪 Pumping measuring current meter mark |
12/10/2014 | CN204002125U 一种防误验电锁 An anti-lock error electrical inspection |
12/10/2014 | CN203986315U 一种跨步电压报警绝缘鞋 One kind of alarm step voltage insulated shoes |
12/10/2014 | CN203986245U 带验电装置的低压绝缘手套 Experience with low voltage electrical equipment insulated gloves |
12/10/2014 | CN104205263A 用于感应电力传输的双侧控制 Bilateral control for inductive power transmission |
12/10/2014 | CN104204820A 用于采用低欧姆合金导体的设备和用于简化耗用电流数据检索的方法 Alloy conductor devices using low-ohmic current consumption and to simplify data retrieval method for |
12/10/2014 | CN104201892A 一种隔离反激式高频开关电源的输入电压检测方法及电路 An isolating flyback frequency switching power supply input voltage detection method and circuit |
12/10/2014 | CN104201736A 一种汽车交流充电桩的控制导引电路 A vehicle steering control circuit AC charging piles |
12/10/2014 | CN104201608A 多功能接口式令克棒 Multi-connector type Pulling |
12/10/2014 | CN104201574A 配电柜监控装置及其监控方法 Distribution cabinet monitoring device and monitoring method |
12/10/2014 | CN104198937A 旋转变压器随机安装无刷直流电机电气零位测试方法 Resolver random installation brushless DC electric zero test methods |
12/10/2014 | CN104198920A 功率放大器直流工作点检测仪 PA DC operating point detector |
12/10/2014 | CN104198874A 多功能智能检测设备 Multifunction intelligent detection equipment |
12/10/2014 | CN104198867A 用于弧光保护装置的检测设备及方法 Testing equipment and methods for arc protection device |
12/10/2014 | CN104198858A 一种连体传感器 One kind of Siamese sensor |
12/10/2014 | CN104198805A 一种可带电装卸的低压电流无线测量装置 Low current wireless measuring device can be charged handling |
12/10/2014 | CN104198804A 基于无线技术的智能电流数据采集方法及装置 Based on the current data collection methods and intelligent device wireless technology |
12/10/2014 | CN104198803A 一种高温超导磁体的在线监测系统 A high-temperature superconducting magnets online monitoring system |
12/10/2014 | CN104198802A 矿热炉电极电流的实时测量装置及方法 Apparatus and method for real-time measurement of current submerged arc furnace electrode |
12/10/2014 | CN104198801A 交流电压采样电路和方法 AC voltage sampling circuit and method |
12/10/2014 | CN104198800A 一种高温超导带材临界电流测试装置 A high-temperature superconducting tapes critical current test device |
12/10/2014 | CN104198799A 一种高频除尘电源的相电流检测电路 A high-frequency power source dedusting phase current detection circuit |
12/10/2014 | CN104198798A 一种用于消弧线圈装置中故障电容电流的谐振测量方法 An arc suppression coil resonance measurement device for fault capacitive current |
12/10/2014 | CN104198797A 电压检测方法、系统及电压检测装置 Voltage detecting method, system and voltage detecting means |
12/10/2014 | CN104198796A 基于变压器的直流电流检测电路及方法 Based on the DC current detection circuit and method of the transformer |
12/10/2014 | CN104198795A 车辆的动力系统开路电压检测方法、动力系统及车辆 Open-circuit voltage of the vehicle's power system detection methods, powertrain and vehicle |
12/10/2014 | CN104198794A 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 |
12/10/2014 | CN104198789A 一种基于磁致伸缩效应的光纤电流互感器 Based magnetostrictive effect of fiber-optic current transformer |
12/10/2014 | CN104198103A 一种精密装配用在线实时测量系统 With a precision assembly-line real-time measurement system |
12/10/2014 | CN104188238A 一种高压预警绝缘靴 A high-pressure warning insulated boots |
12/10/2014 | CN104188196A 一种高压预警绝缘手套 A high-pressure warning insulated gloves |
12/10/2014 | CN103149411B 一种输电线路接地故障点电压暂态值提取方法 One kind of transmission line ground fault point voltage transient value extraction method |
12/10/2014 | CN103091533B 用ldmos器件实现的电流采样电路 Ldmos devices to achieve with current sampling circuit |
12/10/2014 | CN102981042B 一种用于变频器的三相电流检测电路 Three-phase current detection circuit for inverter |
12/10/2014 | CN102882450B 零交越点侦测电路及采用此零交越点侦测电路的换相装置 Zero crossing detection circuit and the use of this zero crossing detection circuit commutation devices |
12/10/2014 | CN102882260B 一种带温度检测的锂电池充电控制方法及其充电器 A lithium battery with a charging control method for temperature detection and the charger |
12/10/2014 | CN102812369B 绝缘劣化诊断装置 Insulation deterioration diagnosis means |
12/10/2014 | CN102735902B 高温超导导线拉力测试设备 HTS wire tensile testing equipment |
12/10/2014 | CN102721847B 混合式光栅在线测温型全光纤电流互感器及其电流检测方法 Mixed Raster line temperature measurement type all-optical current transformer and current detection method |
12/10/2014 | CN102680762B 一种无迹卡尔曼滤波的风电场机端电压测量方法及其应用 A non unscented Kalman filter wind farm terminal voltage measurement method and its application |
12/10/2014 | CN102608404B 适用于双电源自动转换开关的电压采样电路及控制器 For dual power automatic transfer switch voltage sampling circuit and the controller |
12/10/2014 | CN102590577B 一种全光纤外差电流传感器 An all-fiber-optic current sensors heterodyne |
12/10/2014 | CN102483432B 电网监测系统及相关方法 Grid monitoring system and related method |
12/10/2014 | CN102262179B 单极式电流电压一体化传感器 Monopolar current and voltage sensor integration |
12/10/2014 | CN102243266B 电压检测装置和图像加热装置 Voltage detecting means and the image heating apparatus |
12/10/2014 | CN102176641B Lc组合变量器的实现方法与电路结构及其铁芯的有效利用 Lc combination of variables and the implementation of a circuit structure and its effective use core |
12/10/2014 | CN102055227B 电池充电器 Battery Charger |
12/10/2014 | CN102033147B 制造具有法拉第效应的固有温度补偿的光纤电流传感器的方法 Inherent temperature compensation method for manufacturing the optical fiber with a Faraday effect current sensor |
12/10/2014 | CN101784903B 用于光纤传感器的自适应滤波器 Fiber optic sensor for the adaptive filter |
12/09/2014 | US8908342 Systems, methods and apparatus for protecting power distribution feeder systems |
12/09/2014 | US8907688 Method and device for supplying clock |
12/09/2014 | US8907685 Determining the dead time in driving a half-bridge |
12/09/2014 | US8907626 Battery pack control apparatus |
12/04/2014 | US20140358461 System and method for estimating current in dc-dc converter |
12/04/2014 | US20140358460 Electric vehicle and method for controlling same |
12/04/2014 | US20140358456 Method and system employing finite state machine modeling to identify one of a plurality of different electric load types |
12/04/2014 | US20140358311 System and method for collecting appliance standby electricity-saving information |
12/04/2014 | US20140355972 Methods and apparatus for increasing accuracy of rms measurements of signals with a high crest factor |
12/04/2014 | US20140354309 Portable Spa Monitoring and Control Circuitry |
12/04/2014 | US20140354308 Input stage for temperature measurement system |
12/04/2014 | US20140354306 Power on detection circuit |
12/04/2014 | US20140354303 Method and apparatus for deriving current for control in a resonant power converter |
12/04/2014 | US20140354302 System and Method for a Capacitive Voltage Sensor System |
12/04/2014 | US20140354288 Detecting circuit for circuit breaker |
12/04/2014 | US20140354266 Current measurement |
12/04/2014 | US20140354265 Voltage sensing circuit for converter |
12/04/2014 | US20140354264 High speed clock cycle rate digital voltage monitor with triggered tracing for integrated circuits |
12/04/2014 | US20140354049 Auxiliary winding for extended current measurement |
12/04/2014 | US20140352694 Electrical heater with particular application to humidification and fluid warming |
12/02/2014 | US8901966 Sensor circuit |
12/02/2014 | US8901915 Voltage or contact closure sensor |
12/02/2014 | US8901891 Voltage polarity determination circuit and charge amount measurement circuit |
12/02/2014 | US8901506 Air ion measuring apparatus |
11/27/2014 | US20140350878 Voltage measuring device |
11/27/2014 | US20140350871 Method to estimate power dissipation of an inverter |
11/27/2014 | US20140347671 Sagnac interferometer-type fiber-optic current sensor |
11/27/2014 | US20140347101 Optimal hvdc by-pass point-on-wave inductive load switching |
11/27/2014 | US20140347100 Method and apparatus for determining time-varying limitations of a power source |
11/27/2014 | US20140347078 Current sensing of switching power regulators |
11/27/2014 | US20140347037 Apparatus for Mounting an Overhead Monitoring Device |
11/27/2014 | US20140347036 Current monitoring apparatus and current monitoring system using the same |
11/27/2014 | US20140347034 Ac input voltage interruption detection method and circuit |
11/27/2014 | US20140347033 Measuring arrangement |