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)
05/2014
05/07/2014CN203587670U 一种输电线路多通道雷电流记录装置 One kind of multi-channel transmission line lightning current recording device
05/07/2014CN203587669U 一种试电笔 One kind of test pencil
05/07/2014CN203587668U 一种导线带电指示装置 A wire harness charged indicating device
05/07/2014CN203587667U 一种用于包装机的断电报警电路 A power failure alarm circuit packaging machine
05/07/2014CN203587666U 裸导线零序电流采集装置 Bare wires zero sequence current collection device
05/07/2014CN203587665U 基于摄像头的轨道交通屏蔽门门控单元关门故障检测系统 Closed fault detection system based on the camera's screen door rail gating cell
05/07/2014CN203587664U 基于大气湿度的雷电流监测系统 Based on the lightning current atmospheric humidity monitoring system
05/07/2014CN203587663U 一种电流传感器 A current sensor
05/07/2014CN203587662U 电流检测电路及充电电池 Current detection circuit and rechargeable batteries
05/07/2014CN203587617U 二次电流检测用辅助装置 Secondary current detecting means with the aid
05/07/2014CN103780074A 信号峰值检测器及方法及pfc转换器的控制ic及控制方法 Ic and control method of controlling signal peak detector and method and pfc converter
05/07/2014CN103779834A 一种应用于分布式发电并网接入防逆流智能检测方法 Applied to distributed generation and network access backflow prevention intelligent detection method
05/07/2014CN103779833A 直流漏电流检测与保护电路及检测与保护方法 DC leakage current detection and protection circuit and method for detection and protection
05/07/2014CN103777146A 蓄电状态检测装置 Power storage state detecting means
05/07/2014CN103777135A Fpga单粒子闩锁监测方法及装置 Fpga single particle latch monitoring method and apparatus
05/07/2014CN103777103A 一种消弧线圈状态在线检测方法及装置 A suppression coil state line detection method and apparatus for Consumers
05/07/2014CN103777085A 基于衍射mems的高压环境光纤交流电场电压传感器 Based on the high-pressure environment fiber diffraction mems voltage AC electric field sensor
05/07/2014CN103777077A 无线钳形相位检测装置 Wireless pincers phase detection device
05/07/2014CN103777076A 三相四线制系统任意次谐波分量和无功电流检测方法 Phase four-wire system for random harmonic components and reactive current detection method
05/07/2014CN103777065A 一种新型无线传输的电流测量装置 Wireless transmission of a new current measuring device
05/07/2014CN103777064A 免外接交流电源的氧化锌避雷器带电检测装置 Free external AC power charging MOA detection device
05/07/2014CN103777063A 一种光纤电流传感器 A fiber optic current sensors
05/07/2014CN103777062A 一种干涉环式全光纤电流互感器 An interference ring all-optical current transformer
05/07/2014CN103777061A 一种遥控带电显示闭锁装置 A remote control live shows locking device
05/07/2014CN103777060A 安全测电笔 Security pencil
05/07/2014CN103777059A 一种多功能测电笔 A multifunctional pencil
05/07/2014CN103777058A 应用于霍尔齿轮传感器芯片的峰值检测系统及方法 Hall sensor chip is applied to the gear system and a peak detection method
05/07/2014CN103777057A 真有效值容性电流测试仪 True RMS capacitive current tester
05/07/2014CN103777056A 一种纵向调制互易型光学电压传感器 One kind of reciprocal longitudinal modulation type optical voltage sensor
05/07/2014CN103777055A 多个罗氏线圈并联外积分传感器 Rogowski coil outer integral multiple sensors in parallel
05/07/2014CN103777054A 有源分流安培计设备和方法 Active shunt ammeter device and method
05/07/2014CN103777053A 利用无线通讯方式实现电压电流同步采样的方法 Use wireless communication to achieve simultaneous sampling of voltage and current methods
05/07/2014CN103777052A 差分电流采样电路 Differential current sampling circuit
05/07/2014CN103777051A 电压测量仪 Voltage measuring instrument
05/07/2014CN103777050A 三量程电压测量仪器 Three-scale voltage measuring instruments
05/07/2014CN103777049A 电压测量仪器 Voltage measuring instruments
05/07/2014CN103770732A 车辆的电源装置 The power supply apparatus for a vehicle
05/07/2014CN103289896B 场效应细胞培养皿系统及应用 FET cell culture systems and applications
05/07/2014CN102680765B 摄像头连板电流测试方法及其夹具 Camera link plate current testing methods and fixtures
05/07/2014CN102636675B 特高压悬挂式光学电流互感器 UHV suspended optical current transformer
05/07/2014CN102608440B 一种静电传感实验系统及颗粒摩擦带电量的测量方法 A method of measuring an electrostatic sensing experiment system and particle triboelectric charge
05/07/2014CN102435831B 便携式蓄电池电流、电压检测仪 Portable battery current, voltage detector
05/07/2014CN102435816B 一种moa阻性电流测试仪的工作方法 One kind of moa resistive current working methods tester
05/07/2014CN102308225B 具有电能计量和合并单元功能的单个ied Ied with a single power metering and merging unit features
05/07/2014CN102236044B 脉冲电流传感器及采用该传感器制成的记录电涌波防雷箱 Pulse current sensor and the use of recorded lightning surge wave tank made of the sensor
05/07/2014CN102066954B 组合电测量装置 Combination of electrical measuring devices
05/07/2014CN101923143B 估算燃料电池的最小电压 Estimating the minimum voltage of the fuel cell
05/06/2014US8719599 Monitoring subsystem power
05/06/2014US8713952 Optimizer for two staged refrigeration systems
05/02/2014CA2831768A1 Modular high voltage sensing unit
05/01/2014WO2014063634A1 Processing method and device for digital measurement or telemetry of electric power system
05/01/2014WO2014063529A1 All-fiber current transducing system
05/01/2014US20140123327 Flexible printed cable and information processing device
05/01/2014US20140119723 Optical module and detection circuit thereof
05/01/2014US20140119519 Removable sensor modules
05/01/2014US20140118050 Highly accurate true rms power detector for cellular applications
05/01/2014US20140118028 High-performance zero-crossing detector
05/01/2014US20140118001 Fault current detecting circuit
05/01/2014US20140117972 Current detection circuit
04/2014
04/30/2014DE102013221005A1 Method for measuring currents, involves causing drain-source-voltage of switching transistor to correspond to drain source voltage of decoupling transistor by using operational amplifier
04/30/2014DE102013006199A1 Verfahren und Anordnung für die Lokalisierung von Kurzschlüssen in Energieversorgungsnetzen Method and apparatus for the localization of short circuits in power supply networks
04/30/2014DE102012219945A1 Method for measuring electric current, involves detecting measuring voltage between measurement points by voltage measuring unit, and detecting current flowing along measurement path based on voltage detected with open switch
04/30/2014DE102012219559A1 Verfahren zur Messung eines Anliegens einer Hochvolt-Spannung und Feststellung der Spannungsfreiheit Method for measuring a concern of a high-voltage power and determination of the absence of voltage
04/30/2014DE102012112921B3 Schaltungsanordnung und Verfahren zur Datenübertragung auf Gleichstromleitungen und Wechselrichter und Photovoltaik-Anlage mit einer derartigen Schaltungsanordnung Circuit arrangement and method for transmitting data on DC lines and inverters and photovoltaic system with such a circuit arrangement
04/30/2014DE102012022380A1 Connector for electrical socket outlets, has display device that is configured to display indication signal, when connected with electric load in plug-in orientation configured to generate larger electromagnetic interference field
04/30/2014CN203574543U Buck switch power supply
04/30/2014CN203574372U Current sampling board for active filter
04/30/2014CN203574220U Puncture-type lightning arrester with counting function
04/30/2014CN203572939U Probe testing device for battery piece
04/30/2014CN203572906U Grounding wire electrified detection device
04/30/2014CN203572875U Current detection device for large direct current charge-discharge facility
04/30/2014CN203572874U Detection detection device and current detection chip
04/30/2014CN203572873U Low-cost overcurrent protection circuit for current detection
04/30/2014CN203572872U Lightning arrester discharging times digital acquisition system
04/30/2014CN203572871U Voltage interval detection and judgment circuit
04/30/2014CN203572870U Miniature resistance-type very high frequency current probe
04/30/2014CN203572869U Passive peak value follower circuit
04/30/2014CN203572868U System used for measuring interference voltage of intelligent assembly of transformer station GIS
04/30/2014CN203572867U Input power supply power down detection circuit
04/30/2014CN203572866U Optical fiber grating current sensor based on three-level refrigeration sheet
04/30/2014CN203572865U FBG (fiber bragg grating) voltage sensor
04/30/2014CN203572864U Detection circuit for detecting output current and voltage
04/30/2014CN203572863U Optical fiber grating current sensor based on single-level refrigeration sheet
04/30/2014CN203566108U Output current detection circuit of inverter welder based on alternating current signal
04/30/2014CN103765230A Current detection circuit module
04/30/2014CN103762607A Detection method for compensating for instruction current in power distribution network static synchronous compensator
04/30/2014CN103760442A Fault indicator probe and automatic calibration method thereof
04/30/2014CN103760413A Current detection system of fault indicator and current detection low-temperature compensation method of fault indicator
04/30/2014CN103760412A Single-chip microcomputer micro-power-consumption test system and method for leakage current of zinc oxide arrester
04/30/2014CN103760411A Direct-current bus voltage wave-recording device
04/30/2014CN103760410A Three-phase AC detection circuit and measurement method
04/30/2014CN103760409A Voltage transducer
04/30/2014CN103760408A Zero cross detection circuit
04/30/2014CN103760407A Voltage amplitude and phase angle measuring method for double-circuit line non-same-name-phase overline grounded fault point
04/30/2014CN103760406A Collecting and amplifying circuit for floating weak currents
04/30/2014CN103760405A Device measuring direct current
04/30/2014CN103760404A Storage battery voltmeter with adjustable test pencil electrode distance
04/30/2014CN103760403A Bus voltage detection circuit of high-frequency precipitator power supply
04/30/2014CN103760402A Three-phase voltage transformer based on D_dot principle and three-phase influence voltage compensating method
04/30/2014CN103760401A System and method for testing leakage current of zinc oxide arrester
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