| Patents for G01R 19 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof (29,850) |
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| 03/07/2013 | DE102006029190B4 Überstrom-Erfassungsvorrichtung Overcurrent detection device |
| 03/06/2013 | EP2566003A2 Energy distribution assembly with a control device and a current sensor |
| 03/06/2013 | EP2565653A1 Watchdog for voltage detector with display triggering visual warning |
| 03/06/2013 | EP2565652A1 Voltage measurement device for assembled battery |
| 03/06/2013 | EP2564499A1 Voltage sensing arrangement for a flyback converter |
| 03/06/2013 | CN202772066U Intelligent controller with display |
| 03/06/2013 | CN202770971U A voltage stabilizer with electric current and electric quantity detection functions |
| 03/06/2013 | CN202770937U Novel leakage alarm circuit |
| 03/06/2013 | CN202770906U High-voltage and high-current pulse peak value detection circuit |
| 03/06/2013 | CN202770905U High capacity super capacitor module intelligent alarm system |
| 03/06/2013 | CN202770904U Fault early warning apparatus for rectifier |
| 03/06/2013 | CN202770903U Over current alarm device, power kit, frequency converter and uninterruptible power supply |
| 03/06/2013 | CN202770902U Grounding electricity testing indicating device |
| 03/06/2013 | CN202770901U Electroscope with mechanical locking function |
| 03/06/2013 | CN202770900U Automatic alarm device for power down of feed switches |
| 03/06/2013 | CN202770899U Conduction current automatic testing device |
| 03/06/2013 | CN202770898U High precision fast response direct current leakage current sensor |
| 03/06/2013 | CN202770573U Loading test bench of power drive unit |
| 03/06/2013 | CN102955132A 电池传感器 Battery Sensor |
| 03/06/2013 | CN102955105A Circulation monitoring data collecting device of urban network cable |
| 03/06/2013 | CN102955095A Method for synchronously obtaining electric signals of any two ends of power transmission line |
| 03/06/2013 | CN102955080A Portable measuring instrument and measuring method for electrical parameters |
| 03/06/2013 | CN102955069A Method for measuring three-phase electrical susceptance of reactive compensation circuit |
| 03/06/2013 | CN102955067A Movable power supply discharging current detecting method and system |
| 03/06/2013 | CN102955066A Power analysis module for monitoring electrical power source |
| 03/06/2013 | CN102955065A Oscilloscope and reactive power compensation system |
| 03/06/2013 | CN102955064A Alarm for reactor motor |
| 03/06/2013 | CN102955063A Test pencil |
| 03/06/2013 | CN102955062A Electronic device |
| 03/06/2013 | CN102955061A Multi-frequency alternating-current signal measuring method |
| 03/06/2013 | CN102955060A Method for removing decaying direct-current component in power system fault signal |
| 03/06/2013 | CN102955059A Pair comprising printed circuit board and further board and method for measuring current intensity |
| 03/06/2013 | CN102955058A Current-sensing circuit |
| 03/06/2013 | CN102955057A Electrical measuring device with celibration device and method for measuring electrical current |
| 03/06/2013 | CN102955056A Sampling circuit and sampling method for high-end battery voltage |
| 03/06/2013 | CN102955055A Method for two-dimensional lightning leader progress model to acquire electric potential in mountainous terrain |
| 03/06/2013 | CN102157051B Stopping alarm for oil well |
| 03/06/2013 | CN102116785B Device and method for analyzing static transient voltage drop |
| 03/06/2013 | CN102087311B Method for improving measurement accuracy of power mutual inductor |
| 03/06/2013 | CN102081116B Adaptive digital method for detecting zero crossing point of alternating voltage |
| 03/06/2013 | CN102053198B Voltage detection circuit, method and electronic system |
| 03/06/2013 | CN101957396B On-line monitoring device and method for voltage quality of electric power system |
| 03/06/2013 | CN101769952B Voltage detecting device of secondary battery module |
| 03/06/2013 | CN101694595B Method and system for discovering a power source on a peripheral bus |
| 03/06/2013 | CN101403772B Voltage detection circuit and oscillator using the same |
| 03/05/2013 | US8392730 Current sharing method of DC power supply and device thereof |
| 03/05/2013 | US8392130 High voltage power line communication system using an energy harvesting power supply |
| 03/05/2013 | US8390152 Device and method for generating a stable high voltage |
| 03/05/2013 | DE202013100704U1 Wechselrichter für eine Solarzellenanordnung und Solarenergieanlage Inverter for a solar cell array and solar energy plant |
| 02/28/2013 | US20130049854 Power efficient radio frequency transmitter |
| 02/28/2013 | US20130049739 Circuit arrrangement for detecting a maximum in the profile of a measurement signal |
| 02/28/2013 | US20130049737 Electric current detection circuit |
| 02/28/2013 | US20130049736 Voltage monitoring test circuit and voltage monitoring method using the same |
| 02/28/2013 | US20130049735 Radio frequency power amplifier protection system |
| 02/28/2013 | US20130049732 Phase identification system and method |
| 02/28/2013 | US20130049731 Coax ribbonizing header |
| 02/28/2013 | US20130049470 Power analysis module for monitoring an electrical power source |
| 02/28/2013 | DE10253018B4 Schaltgerät sowie System und Verfahren zur Strommessung in dem Schaltgerät Switching device and system and method for measuring current in the switching device |
| 02/28/2013 | DE102011111972A1 Energieverteilungsanlage mit einer Steuervorrichtung und einem Stromsensor Power distribution system with a control device and a current sensor |
| 02/28/2013 | DE102011089784A1 Vorrichtung zum Bestimmen eines Stromungleichgewichts eines DC-DC-Wandlers und Verfahren davon Means for determining a current imbalance of a DC-DC converter and method thereof |
| 02/27/2013 | EP2562554A2 Phase identification system and method |
| 02/27/2013 | EP2562549A1 Pulse current sensor and lightning protection cabinet with surge wave recording composed of the sensor |
| 02/27/2013 | CN202759232U Arc light overvoltage monitor |
| 02/27/2013 | CN202759217U Power protection circuit for high-frequency heating device |
| 02/27/2013 | CN202759212U Power equipment protection system and controller used in conjunction with power equipment protection system |
| 02/27/2013 | CN202758019U Zinc oxide lightning arrester characteristic tester |
| 02/27/2013 | CN202757995U Self-operated measuring apparatus capable of automatically obtaining voltage control curve of variable optical attenuator |
| 02/27/2013 | CN202757994U Light source power detecting device |
| 02/27/2013 | CN202757993U Arc light motion counter |
| 02/27/2013 | CN202757992U Overvoltage motion monitor |
| 02/27/2013 | CN202757991U Warning device for overload of sockets |
| 02/27/2013 | CN202757990U Length-increasing electroscope |
| 02/27/2013 | CN202757989U Anti-electric-shock probe rod |
| 02/27/2013 | CN202757988U A conduction current testing device under a magnetic field effect |
| 02/27/2013 | CN202757987U Ultrahigh voltage transmission line online intelligent comprehensive monitoring system |
| 02/27/2013 | CN202757986U Safe current detection protective device for iron core |
| 02/27/2013 | CN202757985U Digital ultrahigh-voltage mutual inductor protection device |
| 02/27/2013 | CN202757984U Multi-hall sensor detection device for measuring working current of battery pack |
| 02/27/2013 | CN202757983U Current detection circuit and USB interface circuit |
| 02/27/2013 | CN202757982U Current signal detector |
| 02/27/2013 | CN202757981U Modularized non-contact photovoltaic confluence monitor |
| 02/27/2013 | CN202755073U Measuring and calculating device of fluctuation of molten aluminum in aluminum electrolysis cell |
| 02/27/2013 | CN102946199A Direct current insulation buck converter and matrix voltage detection circuit thereof |
| 02/27/2013 | CN102946130A Battery charging circuit and control circuit and control method thereof |
| 02/27/2013 | CN102946087A Low voltage frequency converter provided with overvoltage protection function and overvoltage protection method of low voltage frequency converter |
| 02/27/2013 | CN102944824A Test method for testing rectifier diode transient high temperature reverse leakage current |
| 02/27/2013 | CN102944812A Cable operation fault monitoring device |
| 02/27/2013 | CN102944810A Test device for secondary circuit zero line site of voltage transformer |
| 02/27/2013 | CN102944808A Mass production co-testing method |
| 02/27/2013 | CN102944773A Method for detecting and classifying power disturbances based on space conversion |
| 02/27/2013 | CN102944764A Device for measuring dynamic change of friction static electricity and friction property of insulating material |
| 02/27/2013 | CN102944739A Large-aperture forcipate micro-current sensor device |
| 02/27/2013 | CN102944738A Detection system and detection method for leakage current of switchgear arrester |
| 02/27/2013 | CN102944737A Intelligent sensor for measuring high current |
| 02/27/2013 | CN102944736A Circuit for detecting wide-range, high-precision and multichannel currents based on optical couplings |
| 02/27/2013 | CN102944735A Automatic test system and test method for thermoelectric forces of thermocouple wires |
| 02/27/2013 | CN102944734A Method for monitoring terminal state, monitoring circuit and terminal |
| 02/27/2013 | CN102944733A Storage battery forming current monitoring device |
| 02/27/2013 | CN102944732A Overcurrent detection device applied to electric power system autotransformer |
| 02/27/2013 | CN102944731A Overcurrent detection method applied to electric power system autotransformer |