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)
12/2014
12/17/2014CN204028204U 一种带有高功率输出接口的罗氏线圈电流传感器 Rogowski coil current sensor with a high power output interface
12/17/2014CN204028203U 一种正端电流采样电路 A positive terminal of the current sampling circuit
12/17/2014CN204028202U 一种不受电子元器件参数误差影响的电流检狈!1电路 An argument against the electronic components of the current detection error on a tight corner! 1 circuit
12/17/2014CN204028201U 一种电流表 One kind ammeter
12/17/2014CN204028200U 一种指针式电流表 For an analog ammeter
12/17/2014CN204028199U 便携式防损电流表 Loss Prevention portable ammeter
12/17/2014CN204028198U 一种测量精确的电流表 A method of measuring the exact ammeter
12/17/2014CN204028197U 一种集励磁电流与励磁电压一体的励磁变送器 A set of excitation current and excitation voltage integrated transmitter excitation
12/17/2014CN204028196U 分布式高压电缆屏蔽层电流监测系统 Distributed high-voltage cable shielding current monitoring system
12/17/2014CN204028195U 用于变压器的铁心接地电流在线监测装置 Core current transformer grounding line monitoring device for
12/17/2014CN204028194U 一种自补偿小电流互感器 A self-compensating small current transformer
12/17/2014CN204022516U 一种免除低压开关的反渗透净水器 One kind of low-voltage switchgear exempt reverse osmosis water purifier
12/17/2014CN104220894A 利用频域内的校准的时域测量方法 When using the calibration frequency domain domain measurements
12/17/2014CN104218906A 毫微伏特放大器设计 Ng volt amplifier design
12/17/2014CN104218847A 一种基于外界强迫振动的压电俘能及检测方法 A piezoelectric energy harvesting and forced vibration detection method based outside
12/17/2014CN104218786A 一种功率因数校正的保护方法及设备 A power factor correction protection methods and equipment
12/17/2014CN104218523A 用于断路器的检测电路 Detection circuit for circuit breaker
12/17/2014CN104218328A 一种抗电磁干扰的多通道雷电波采集装置 An anti-electromagnetic interference, multi-channel acquisition device lightning
12/17/2014CN104217871A 多功能隔离开关 Multifunction disconnectors
12/17/2014CN104217843A 霍尔电流传感器及其磁环、实现霍尔电流传感器用于测量大电流的方法 Hall current sensors and magnetic, implementation current sensor for measuring high currents
12/17/2014CN104217829A 一种带雷击放电计数器的固定间隙过电压保护器 Fixed gap of a lightning discharge counter with over-voltage protection
12/17/2014CN104215841A 孤岛检测方法、装置、变流器和分布式发电系统 Islanding detection method, apparatus, converters and distributed power generation system
12/17/2014CN104215827A 一种交变电流传感器 One kind of an alternating current sensor
12/17/2014CN104215826A 一种故障电弧式电气火灾监控探测装置和识别故障电弧和报警方法 A fail-arc electric fire detection devices and alarms and identification of fault arc method
12/17/2014CN104215825A 一种电力变压器综合在线监测系统 A power transformer integrated on-line monitoring system
12/17/2014CN104215824A 配电变压器中性线对地电流检测预警装置 Distribution transformer neutral-to-ground current detection warning device
12/17/2014CN104215823A 车辆电池安全监测系统 Vehicle battery safety monitoring system
12/17/2014CN104215822A 用于照明灯具的低电量提示电路以及灯具 Low power consumption for lighting circuits and lighting tips
12/17/2014CN104215821A 一种电源设备输入浪涌电流检测方法 A power supply device input surge current detection method
12/17/2014CN104215820A 一种新型高压钳形电流表 A new high-voltage clamp meter
12/17/2014CN104215819A 一种用于gis雷电侵入过电压的监测装置 An invasion gis lightning overvoltage monitoring device for
12/17/2014CN104215818A 一种高频除尘电源输出电流的采集电路 A high frequency power supply output current dust collection circuit
12/17/2014CN104215817A 快响应穿芯式直流漏电流传感器 Fast response through the core DC leakage current sensor
12/17/2014CN104215816A 电力作业车辆泄流监视器 Electric discharge monitor work vehicles
12/17/2014CN104215815A 避雷器泄露电流监测装置 Arrester leakage current monitoring device
12/17/2014CN104215814A 用于电容式电压传感器系统的系统及方法 System and method for capacitive voltage sensor system for
12/17/2014CN104215813A 估计dc-dc转换器中的电流的系统和方法 Estimate dc-dc converters in current systems and methods
12/17/2014CN104215812A Mcu芯片电源电压检测电路 Mcu chip supply voltage detection circuit
12/17/2014CN104215353A 用于温度测量系统的输入级 The input stage for temperature measurement system
12/17/2014CN103105525B 电流钳的精度补偿方法及利用此电流钳的检测方法及系统 Accuracy compensation method and the use of current clamp detection method and system for this current clamp
12/17/2014CN102938847B 一种视频信号故障报警控制方法 A video signal failure alarm control method
12/17/2014CN102879624B 用于直流大电流检测的无直流磁化双向磁放大器 No DC magnetization for detection of two-way high-current DC magnetic amplifier
12/17/2014CN102680851B 一种漏电流检测方法及其装置 A current leak detection method and device
12/17/2014CN102636680B 一种电信号测量装置及蓄电池浮充电流在线监测装置 An electrical signal measuring device and battery float current online monitoring device
12/17/2014CN102608405B 便携式x射线机管电流非介入测量仪 Portable x-ray machine tube current non-invasive measuring instrument
12/17/2014CN102565523B 一种电流谐波检测系统及工作方法 A current harmonic detection systems and working methods
12/17/2014CN102521107B 一种移动终端及其耗电信息显示方法和装置 Power consumption of a mobile terminal and information display method and apparatus
12/17/2014CN102393496B 一种牵引变电所交流回路异常检测方法 An AC circuit anomaly detection method substation traction
12/17/2014CN102261922B 设备、传感器电路以及用于操作设备或传感器电路的方法 Device, and a method for operating the sensor circuit device or sensor circuit
12/17/2014CN102239629B 基于一次侧的变压器二次侧电流控制 Based on the primary side of the transformer secondary side current control
12/17/2014CN102162822B 直流电流检测电路及应用该电路的变频空调器 DC current detection circuit and the circuit of inverter air conditioner application
12/17/2014CN102072981B 浪涌电流检测装置 Surge current detection device
12/16/2014US8914555 Methods, systems and apparatus for determining whether an accessory includes particular circuitry
12/16/2014US8913126 Portable self powered line mounted high speed camera system for overhead electric power lines
12/16/2014US8912920 Switchable low threshold current power supply
12/16/2014US8912855 Relaxation oscillator
12/16/2014US8912785 Low-power RF peak detector
12/16/2014US8912468 Zero-crossing detector circuit and image forming apparatus having the same
12/11/2014US20140365151 System and method for estimating output current of dc-dc converter
12/11/2014US20140361917 Comparing circuit and a/d converter
12/11/2014US20140361767 Devices and methods for sensing current
12/11/2014US20140361765 Integrated Circuit Using A Digital Method For AC/DC-Sensitive Residual Current Measurement
12/10/2014CN204013326U 光伏发电系统 PV systems
12/10/2014CN204012648U 一种新型直流漏电保护电路 A new DC leakage protection circuit
12/10/2014CN204012003U 具电压量计的延长插座装置 A voltage meter extension of the socket device
12/10/2014CN204011795U 带有验电功能的接地棒 Examine the electrical function of the ground with a stick
12/10/2014CN204008942U 一种避雷器测试箱 An arrester test box
12/10/2014CN204008936U 一种感应式交流验电笔电路 An induction AC electric pen test circuit
12/10/2014CN204008912U 用于测量超特高压变压器线饼冲击电压的试验装置 Test device for measuring ultra UHV transformer line surge voltage for cake
12/10/2014CN204008906U 一种带高压回路监测的专变采集终端 Become a special collection terminal with a high-pressure circuit monitoring
12/10/2014CN204008849U 一种市电检测装置 One kind of mains detection device
12/10/2014CN204008841U 船用多功能手持式蓄电池测量仪 Marine multifunction handheld battery meter
12/10/2014CN204008840U 埋地金属管道防腐层交流电压及土壤电阻率的检测系统 Buried metal pipeline coating AC voltage and soil resistivity testing system
12/10/2014CN204008839U 多通道数字集成芯片式电流传感器 Multi-channel digital integrated chip current sensor
12/10/2014CN204008838U 液流电池堆单电池电压检测电路 Flow battery stack cell voltage detection circuit
12/10/2014CN204008837U 改进平衡法风机断线电流检测电路 Improved balance method fan disconnection current detection circuit
12/10/2014CN204008836U 一种可以同时测量交直流电压的电路 A way to simultaneously measure AC and DC voltage circuit
12/10/2014CN204008835U 一种基于无线单片机的电流检测装置 A wireless microcontroller based on the current detection device
12/10/2014CN204008834U 用于铁路扼流变压器的自监测设备 Self-monitoring equipment for railway choke transformer
12/10/2014CN204008833U 一种新型三极管反向饱和电流测试仪 A new transistor reverse saturation current tester
12/10/2014CN204008832U 一种计量采样芯片和内置ad对同一通道的采样电路 A measure of sampling chip and built ad on the same channel sampling circuit
12/10/2014CN204008831U 模块化的模拟量检测电路 Modular analog detection circuit
12/10/2014CN204008830U 用于led驱动电源的变压器次级绕组零电流检测电路 Led drive for power transformer secondary winding zero-current detection circuit
12/10/2014CN204008829U 一种电网电压过零检测电路 One kind of grid voltage zero-crossing detection circuit
12/10/2014CN204008828U 插接式悬垂检零设备 Plug-zero drape seized equipment
12/10/2014CN204008827U 电能质量在线测量仪 Power quality meter
12/10/2014CN204008826U 车辆电池安全监测系统 Vehicle battery safety monitoring system
12/10/2014CN204008825U 一种具有报警功能的过电压保护器 An over-voltage protection with alarm function
12/10/2014CN204008824U 一种智能自检高压验电器 An intelligent self-test pressure electroscope
12/10/2014CN204008823U 非接触式带电识别验电器 Non-contact identification charged electroscope
12/10/2014CN204008822U 一种加长式金属工作触头验电器 One kind of metal work longer contact electroscope
12/10/2014CN204008821U 500kv超高压线微型无人机验电系统 Ultra-high-voltage miniature UAV 500kv electrical inspection system
12/10/2014CN204008820U 一种可测量电压的验电笔 One measurable voltage electrical inspection pen
12/10/2014CN204008819U 一种带数显功能的接触式高压验电器 A tape-contact digital display features a high pressure electroscope
12/10/2014CN204008818U 一种带语音播报功能的接触式高压验电器 A voice broadcast feature with a contact pressure electroscope
12/10/2014CN204008817U 一种电流监测装置 A current monitoring device
12/10/2014CN204008816U 电流侦测系统及其电力线控制模块 Current detection systems and power line control module
12/10/2014CN204008815U 主机电流监控粉碎机状态装置 Host state current monitoring device grinder
12/10/2014CN204008814U 输电线路跨步电压检测装置 Step voltage transmission line detection device
12/10/2014CN204008813U 一种磁调制式电流互感器 A magnetic modulation type current transformer
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