Patents
Sitemap › G01 - Measuring; Testing › G01R - Measuring electric variables; Measuring magnetic variables › G01R 19 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof
Patents for G01R 19 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof (29,850)
07/2014
07/09/2014CN103913678A 具图形化显示测量数据功能的安规测试仪 A graphical display of measurement data capabilities Safety tester
07/09/2014CN103913659A 瞬动保护测试仪及其运行方法 Instantaneous protection tester and method of operation
07/09/2014CN103913629A 用于检测直流母线电流的装置及具有其的电机的控制系统 Detecting the DC bus current and with means for the motor control system thereof
07/09/2014CN103913628A 在轻负载条件下测量交流电压信号的方法和设备 Method and apparatus for measuring AC voltage signal at light load conditions
07/09/2014CN103913627A 用于检测浪涌电压的装置及其方法 Surge voltage detecting apparatus and method for
07/09/2014CN103913626A 一种防止直流输入误告警的交流掉电告警电路 A method of preventing false alarms DC input AC power down alarm circuit
07/09/2014CN103913625A 一种多功能测电笔 A multifunctional pencil
07/09/2014CN103913624A 高效的电压感测系统和方法 Efficient voltage sensing system and method
07/09/2014CN103913623A 配电网参数计算方法 Distribution network parameter calculation method
07/09/2014CN103913622A 一种电流检测电路 A current detection circuit
07/09/2014CN103913621A 马达监测系统及其电流侦测装置 Motor monitoring system and its current detection device
07/09/2014CN103913620A 电脑电源的电压测试装置及方法 Voltage test device and method of computer power
07/09/2014CN103913619A 基于无线传感器网络的电流监测系统和方法 Current wireless sensor networks based monitoring systems and methods
07/09/2014CN103913618A ±500kv直流全光纤光电电流互感器 ± 500kv DC all-fiber optical current transformer
07/09/2014CN103913609A 不受交变外磁场影响的测量仪表及其实现方法 Alternating from external magnetic fields measuring instruments and their implementation
07/09/2014CN102854373B 零磁通霍尔大电流传感器的pwm三电平数字控制器 Pwm zero flux current sensor Hall large three-level digital controller
07/09/2014CN102778619B 高压输电线路输电导线最大载流容量检测方法 High Voltage Transmission Line Transmission Line maximum current carrying capacity of detection methods
07/09/2014CN102721856B 基于耦合电场的架空输电线路过电压测量传感器 Passing overhead transmission lines based on voltage measurement sensor coupling of the electric field
07/09/2014CN102707131B 一种高灵敏度介质窗vfto自动测量系统 A highly sensitive dielectric window vfto automatic measuring system
07/09/2014CN102608403B 基准电压的误差检测方法和系统 Reference voltage error detecting method and system
07/09/2014CN102437598B 一种电池电压及温度采样装置 A battery voltage and temperature sampling device
07/09/2014CN102368679B 用于振荡器稳定输出的峰值检测电路 Peak detection circuit for stable oscillator output
07/09/2014CN102338822B 电流测量装置及其电流测量方法 Current measuring means and current measuring method
07/09/2014CN102313873B 电池节数检测电路及方法和监测系统 Number of Batteries detection circuit and method and monitoring systems
07/09/2014CN102017351B 用于电池充电器的故障检测的装置 Fault detection device for battery charger
07/09/2014CN101789580B 一种供电系统的故障检测与保护方法及实现该方法的装置 Fault detection and protection method for power system and apparatus for implementing the method
07/08/2014US8775109 Method and apparatus for a demand management monitoring system
07/08/2014US8775104 Method and system for protecting an electrical power transmission network
07/08/2014US8773123 Two-terminal linear sensor
07/08/2014US8773119 System for fiber DC magneto-optic detection and method thereof
07/08/2014US8773112 Current sensor
07/08/2014US8773111 Current estimation circuit
07/08/2014US8773110 Method and apparatus for wave detection
07/08/2014US8773109 System, method and device for monitoring capacitor cells connected in series in a capacitor module
07/08/2014US8773108 System, method, and apparatus for a safe powerline communications instrumentation front-end
07/03/2014WO2014105864A1 Methods for determining green electrode electrical resistivity and methods for making electrodes
07/03/2014US20140184314 Semiconductor device
07/03/2014US20140184212 Current detection circuit module
07/03/2014US20140184195 Power quality measuring device used in distribution line for integrated voltage and var control
07/03/2014US20140184184 Voltage detecting circuit and voltage regulator apparatus provided with same
07/03/2014US20140184179 Efficient voltage sensing systems and methods
07/03/2014DE102012103037B4 Elektromagnetisch kraftkompensierende Kraftmessvorrichtung Electromagnetic kraftkompensierende force measuring device
07/03/2014DE102012024728A1 Verfahren und Vorrichtung zur Überwachung einer elektrischen Anlage auf einen Rückstrom Method and device for monitoring of an electrical system on a reverse current
07/03/2014DE102007050868B4 Leistungshalbleitervorrichtung Power semiconductor device
07/02/2014CN203691707U 一种led负载电压检测电路 One kind led load voltage detecting circuit
07/02/2014CN203691508U 一种多镜头航空摄影稳定平台的摄像控制系统 A multi-lens camera control system stable platform for aerial photography
07/02/2014CN203688785U 直流稳压电源监控检测装置 DC power supply monitoring detection device
07/02/2014CN203688782U 一种纯电动汽车电池单体电压独立采集系统 A pure electric car battery cell voltage independent collection system
07/02/2014CN203688718U 非接触式绝缘性能检测装置 Non-contact detection device insulation
07/02/2014CN203688701U 变压器套管绝缘在线监测系统 Transformer bushing insulation monitoring system
07/02/2014CN203688683U 一种光伏型执行机构试验仪 A photovoltaic actuator tester
07/02/2014CN203688658U 一种纯电动车电池单体电压集成采集系统 A pure electric vehicle battery cell voltage integrated collection system
07/02/2014CN203688657U 纯电动汽车电池管理系统中母线电流磁隔离采集电路 Pure electric vehicle battery management system bus current magnetic isolation acquisition circuit
07/02/2014CN203688656U 纯电动汽车电池管理系统中母线电流隔离采集系统 Pure electric vehicle battery management system acquisition system bus galvanic isolation
07/02/2014CN203688655U 一种监测交流电网直流电流分布的在线监测系统 On-line monitoring system for monitoring the AC grid DC current distribution
07/02/2014CN203688654U 一种高压电网过电压信号取样装置 A high voltage power grid over-voltage signal sampling device
07/02/2014CN203688653U 多用电压表 Multi-purpose voltmeter
07/02/2014CN203688652U 一种串联可控硅的同步检测装置 A synchronization detecting device in series SCR
07/02/2014CN203688651U 用于电子式电流互感器的电流采样与保护电路 For electronic current transformer current sampling and protection circuits
07/02/2014CN203688650U 一种数字信号取样器 A digital signal sampler
07/02/2014CN203688649U 工业三相隔离电流表 Industrial three-phase isolation ammeter
07/02/2014CN203688648U 检测交流电串入直流系统的装置 AC power into DC system detects devices
07/02/2014CN203688647U 叉式工频电流表 Fork-frequency ammeter
07/02/2014CN203688646U 过零检测电路 Zero-crossing detection circuit
07/02/2014CN203688645U 一种高压无功发生器的电压过零检测电路 A high voltage generator reactive power voltage zero-crossing detection circuit
07/02/2014CN203688644U 一种适用低压tsc无功补偿有效过零触发电路 One for low voltage reactive compensation tsc effective zero trigger circuit
07/02/2014CN203688643U 高压等电位无源型带电显示装置 Pressure and other potential passive type electric display device
07/02/2014CN203688642U 一种掉电检测电路 One kind of brown-out detection circuit
07/02/2014CN203688641U 一种分体式直流数显验电装置 A separate-type DC digital electrical inspection device
07/02/2014CN203688640U 一种半空构架上电流电压互感器末屏微电流引流装置 On a framework for current and voltage transformers at the end of the air screen micro current drainage system
07/02/2014CN203688639U 可调测笔极距蓄电池电压表 Adjustable pole distance measuring battery voltage meter pen
07/02/2014CN203688638U 一种用于金属氧化物避雷器阻性泄漏电流的检测装置 An MOA resistive leakage current detection device for
07/02/2014CN203688637U 一种检测通道消耗电流的电路 A method of detecting the current consumption of the circuit channel
07/02/2014CN203688636U 用于检测串联电池组的电池单体电压的系统 For the cell voltage of the series battery group detection system
07/02/2014CN203688635U 一种电流传感器 A current sensor
07/02/2014CN203688634U 电流采样装置 Current sampling device
07/02/2014CN203688633U 一种高压变频器的四象限单元三相输入电压采样电路 A three-phase four-quadrant cell voltage inverter input voltage sampling circuit
07/02/2014CN203688632U 一种电容器模组电压测试夹具 A capacitor module voltage test fixture
07/02/2014CN203688631U 一种门型光学玻璃电流传感结构 One kind of optical glass door type current sensing structure
07/02/2014CN203688630U 智能光伏汇流箱数据采集板 Smart PV combiner box data acquisition board
07/02/2014CN203688629U 一种电流测量装置 A current measuring device
07/02/2014CN203688628U 熔渣中铁氧化物分解电压的测定装置 Slag iron oxide decomposition voltage measuring device
07/02/2014CN203688627U 测量隔离电压的电路 Isolation voltage measuring circuit
07/02/2014CN203688626U 一种基于电容分压的光纤Bragg光栅电压传感器 A capacitive voltage divider of the voltage sensor based on fiber Bragg grating
07/02/2014CN203688625U 一种可折式电流钳形表壳体 One kind of folding-type current clamp meter housing
07/02/2014CN203688624U 一种自动开合式电流钳形表 An automatic retractable current clamp meter
07/02/2014CN203688623U 电流信号检测电路 Current signal detecting circuit
07/02/2014CN203688619U 基于amc1200的隔离交流电流的采样电路 Based amc1200 isolated alternating current sampling circuit
07/02/2014CN203688617U 一种高压带电显示装置悬挂紧固构件 A high voltage electric display device hanging fastening member
07/02/2014CN203676259U 触电发光报警绝缘靴 Shock-emitting alarm insulated boots
07/02/2014CN203676258U 一种安全告警绝缘靴 A safe and alarm insulated boots
07/02/2014CN103904866A 反激式变换器临界断续、断续模式的输出电压原边检测 Critical discontinuous flyback converter, the output voltage of the discontinuous mode to detect primary
07/02/2014CN103904758A 充电装置 Charging device
07/02/2014CN103902835A 获取电缆护套感应电压的方法及装置 Get cable sheath of the induced voltage method and apparatus
07/02/2014CN103901481A 一种纠正电压源供电激电法错误测量极化率的方法与装置 A voltage source for error induced polarization method and apparatus for measuring polarization corrected
07/02/2014CN103901358A 三相电源异常侦测装置 Three-phase power supply abnormality detection device
07/02/2014CN103901353A 锂离子电池组各电芯一致性的判断方法与定时测量电压仪 Judgment method lithium ion battery pack batteries consistency with each timing measurement voltage tester
07/02/2014CN103901306A 一种检测电网电压突变故障的方法 A grid voltage fault detected mutation
07/02/2014CN103901303A 直升机特高压带电作业电位转移电流测量的试验装置及方法 Helicopter UHV live working potential transfer test device and method for current measurement
07/02/2014CN103901294A 超级电容器组荷电状态检测的方法及装置 Method and apparatus for super capacitor bank charged state inspection
1 ... 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 ... 299