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)
06/2012
06/06/2012CN202267707U 一种高频行波电流信号采集电路 A high-frequency wave current signal acquisition circuit
06/06/2012CN202267706U 电源转换电路及其过流检测电路 Power conversion circuit and over-current detection circuit
06/06/2012CN202267705U 一种并网逆变器及其孤岛检测电路 One kind of grid-connected inverter and islanding detection circuit
06/06/2012CN202267704U Detecting circuit for over-current shake of high-voltage pulse power supply
06/06/2012CN202267703U 太阳能电池板电压检测系统 Solar panel voltage detection system
06/06/2012CN202267702U 一种远程监控型避雷器监测器 A Remote Monitoring arrester monitor
06/06/2012CN202267701U 新型电压测量装置 New voltage measuring means
06/06/2012CN202267700U 一种新型导电测试仪 A new conductivity tester
06/06/2012CN202267699U 高压开关柜的电流计量回路 High Voltage Switchgear current measurement circuit
06/06/2012CN202267698U 一种学习机电量检测电路 A learning electromechanical amount detection circuit
06/06/2012CN102487187A Power supply detection and control circuit
06/06/2012CN102486534A Photoelectric parameter measuring system of LED fluorescent lamp
06/06/2012CN102486533A LED switching power supply test device
06/06/2012CN102486517A Impulse voltage composited fault current test method for high-voltage direct current power transmission converter valve
06/06/2012CN102486507A Direct current leakage measurement device
06/06/2012CN102486492A Voltage detection circuit
06/06/2012CN102486491A Method and system for detecting unbalance of positive half cycle current and negative half cycle current of alternating current
06/06/2012CN102486490A Current detection system in current mode controller
06/06/2012CN102486489A Semiconductor tube and gas discharge tube security unit tester
06/06/2012CN101975883B Method for measuring semiconductor detector dark current
06/06/2012CN101859482B Broadband signal transmission system of high-potential environment based on wireless transmission
06/06/2012CN101833071B High-precision internal resistance and voltage tester for lithium ion battery
06/06/2012CN101820231B Current zero-crossing detection and dead zone compensation method used for frequency converter
06/06/2012CN101718811B Device and method for testing voltage time and area of reactor
06/06/2012CN101707441B Totem-pole bridgeless circuit system and current sampling device
06/06/2012CN101655519B Data processing method for alternating current sampling of digital transformer station measurement and control device
06/05/2012US8195411 IDDQ test apparatus and test method
06/05/2012US8193835 Circuit and method for switching voltage
05/2012
05/31/2012WO2012070772A1 Device for measuring current and power using a magnetic field
05/31/2012WO2012069871A1 Integrated circuit device and method for detecting an excessive voltage state
05/31/2012WO2012068656A1 Electronic electricity meter with integrated digital-certification mechanism for secure communication
05/31/2012WO2011116880A3 Method for examining a state of a circuit of a motor vehicle
05/31/2012US20120136596 Semiconductor device
05/31/2012US20120136593 Identifying the operation of a specified type of appliance
05/31/2012US20120133522 Gap analyzer device and method
05/31/2012US20120133370 Battery System for Vehicle, On-Vehicle Battery Module, and Cell Controller
05/31/2012DE102010062187A1 Verfahren zur Ermittlung der Leerlaufspannung einer Batterie, Batterie mit einem Modul zur Ermittlung der Leerlaufspannung sowie ein Kraftfahrzeug mit einer entsprechenden Batterie Method for determining the open circuit voltage of a battery, with a module for determining the open circuit voltage and a motor vehicle with a corresponding battery
05/31/2012DE102010052346A1 Measuring unit e.g. microcomputer for measuring peak voltage in electricity distribution network, measures line voltage by evaluating divider voltages measured at different switching state, with consideration of values of impedances
05/30/2012CN202262195U High voltage direct current measuring device and radiating device thereof
05/30/2012CN202261136U Motor and overcurrent detection circuit thereof
05/30/2012CN202260534U Battery voltage and temperature acquisition apparatus
05/30/2012CN202260422U Induction type high voltage display locking device
05/30/2012CN202260404U Protection controller for low-tension motor
05/30/2012CN202260385U Electromagnetic stirring ground fault detection device
05/30/2012CN202258317U Voice device for reminding standard use of high-voltage electroscope
05/30/2012CN202256636U Battery voltage detecting circuit and battery managing system
05/30/2012CN202256627U On-line monitoring device of motor
05/30/2012CN202256580U Power line failure indicator
05/30/2012CN202256549U Broken line detection circuit for high voltage transmission lines
05/30/2012CN202256547U Short circuit and grounding fault detection equipment for power transmission and distribution circuit
05/30/2012CN202256544U Fault recording device of series compensation equipment
05/30/2012CN202256539U Digital storage type field suppression resistance tester
05/30/2012CN202256535U On-line monitoring device for lightning arresters of switch cabinet with touch screen
05/30/2012CN202256493U Single-phase multifunctional power meter
05/30/2012CN202256485U Alternating current (AC) voltage sampling circuit
05/30/2012CN202256484U Direct current bus voltage detecting circuit of power unit
05/30/2012CN202256483U GPS (Global Positioning System) second-based real-time self-adaptive evenly-spaced sampling synchronous data acquisition device
05/30/2012CN202256482U Multi-loop leakage current detecting module
05/30/2012CN202256481U Alternating current (AC) digital voltmeter
05/30/2012CN202256480U Voltage and current detecting device of power supply of radio-frequency remote system
05/30/2012CN202256479U Pencil-shaped single-purpose digital DC voltmeter
05/30/2012CN202256478U Practical digital ampere meter
05/30/2012CN202256477U Digital voltmeter adaptable for automatically switching range
05/30/2012CN202256476U Zero passage signal detection circuit
05/30/2012CN202256475U Simple counter for lightning arrester
05/30/2012CN202256474U Lightning rod discharge counter possessing accurate counting function
05/30/2012CN202256473U Intelligent on-line monitoring device for lightning arrester
05/30/2012CN202256472U Intermediate/high-voltage electrified indicator capable of being stable and reliable and also being easy to install and disassemble
05/30/2012CN202256471U High-voltage charged indicator capable of enhancing charged display signals
05/30/2012CN202256470U High-voltage charge indicator capable of enhancing charge indicating signals
05/30/2012CN202256469U Equipotential high-voltage charge indicator
05/30/2012CN202256468U High-voltage charged display device capable of clearly displaying charged signal
05/30/2012CN202256467U High-voltage charge indicator with high flickering brightness
05/30/2012CN202256466U Single-pole high-voltage electrified display device
05/30/2012CN202256465U Unipolar voltage high-voltage electrification display device
05/30/2012CN202256464U Charged display device for ring main unit
05/30/2012CN202256463U Residual voltage interference resistant multifunctional electroscope
05/30/2012CN202256462U High-performance induction type electroscope
05/30/2012CN202256461U Acousto-optic test pencil
05/30/2012CN202256460U Robot close-range electrified routing inspection device
05/30/2012CN202256459U Test pencil with illumination function
05/30/2012CN202256458U Insulation electricity testing rod
05/30/2012CN202256457U Zero-sequence voltage sensor and intelligent open-circuit controller
05/30/2012CN202256456U Soft starting leak current test table
05/30/2012CN202256455U Magnetic balanced type Hall current sensor
05/30/2012CN202256454U Current sensor
05/30/2012CN202256453U Combined meter used for measuring single-phase voltage and current
05/30/2012CN202256452U Electromagnetic slip detection device
05/30/2012CN202256451U On-line monitoring device of power transformer magnetic bias direct current
05/30/2012CN202256450U Automobile detection pincerlike Hall current sensor
05/30/2012CN202256449U Digital three phase current AC voltmeter
05/30/2012CN202256448U Circuit applied to detect polarization voltage of electromagnetic flowmeter
05/30/2012CN202256447U Multifunctional electroscope
05/30/2012CN202256446U Electronic element test device
05/30/2012CN202256445U Voltage detection circuit
05/30/2012CN202256416U High voltage generator additionally provided with leakage current meter
05/30/2012CN202250232U Current loss alarming device for mining equipment and mining blower power supply system
05/30/2012CN202234833U Soybean milk making circuit with voltage detecting function for soybean milk maker
05/30/2012CN202234828U Pulping circuit with voltage detection function for soybean milk maker
05/30/2012CN102483432A 电网监测系统及相关方法 Grid monitoring systems and related methods
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