| Patents for G01R 19 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof (29,850) |
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| 04/06/2011 | CN102004228A Detection method and device of terminal battery voltage |
| 04/06/2011 | CN102004227A High power battery detection circuit of electric vehicle |
| 04/06/2011 | CN102004223A On-line checking method for breaking current of breaker |
| 04/06/2011 | CN102004218A Chip acceptability testing method |
| 04/06/2011 | CN102004208A Method for rapidly distinguishing CT wire break in bus protection |
| 04/06/2011 | CN102004204A Method for detecting false solder of battery pack |
| 04/06/2011 | CN102004203A Leakage current detection device |
| 04/06/2011 | CN102004196A Electric signal detection device |
| 04/06/2011 | CN102004192A Load early-warning device for a power distribution grid |
| 04/06/2011 | CN102004191A Method for calculating line capacitance in arc suppression coil parallel running system |
| 04/06/2011 | CN102004186A High-accuracy sinusoidal signal measuring method and device for removing frequency spectrum leakage |
| 04/06/2011 | CN102004185A Three-phase intelligent energy meter |
| 04/06/2011 | CN102004184A System for and method of virtual simultaneous sampling with a single ADC core |
| 04/06/2011 | CN102004183A Voltage detection circuit |
| 04/06/2011 | CN102004182A System and implementation method for monitoring grounding current of transformer core on line |
| 04/06/2011 | CN102004181A Method and system for testing leakage current of light-emitting diode (LED) |
| 04/06/2011 | CN102004180A Current sensor and method for manufacturing sensor module for use in current sensor |
| 04/06/2011 | CN102004179A Magnetic induction current sensor for electric vehicle controller |
| 04/06/2011 | CN102004123A Thermoelectric material tester |
| 04/06/2011 | CN101614771B Detection method of digital substation PT secondary phase sequence verification |
| 04/06/2011 | CN101471060B Display processing equipment and time sequence controller |
| 04/06/2011 | CN101470141B Overcurrent detecting apparatus |
| 04/06/2011 | CN101446603B Distributed multifunctional integral measurement method for electric power system |
| 04/06/2011 | CN101419249B Low-voltage high speed comparator for electric current |
| 04/06/2011 | CN101419247B Ground ion flow density measurement system for AC/DC parallel powerline and measurement method thereof |
| 04/06/2011 | CN101371147B Voltage detection device and voltage detection method |
| 04/06/2011 | CN101363876B Current inductor and iron core group thereof |
| 04/06/2011 | CN101197569B Circuit built in chip for initializing its operation mode and method thereof |
| 04/06/2011 | CN101093232B Fast detector for surging or sudden drawdown voltages, and method |
| 04/06/2011 | CN101043094B Battery voltage measurement circuit and battery electric control unit |
| 04/05/2011 | US7920977 Noncontact measurement method of currents on superconductive wires connected in parallel |
| 04/05/2011 | US7919946 Detection method for an electrical polyphase machine |
| 03/31/2011 | WO2011036103A1 Sensor for measuring plasma parameters |
| 03/31/2011 | WO2011002174A3 Signal-processing method for detecting a quench of a superconducting magnetic operating current |
| 03/31/2011 | US20110077875 Sump monitoring method and apparatus |
| 03/31/2011 | US20110074433 Battery capacity detection for multi battery cells |
| 03/31/2011 | US20110074413 System and method for controlling current in gradient coil of magnetic resonance imaging system |
| 03/31/2011 | US20110074398 Methods and sytems to detect voltage changes within integrated circuits |
| 03/31/2011 | US20110074394 Test circuit for bias temperature instability recovery measurements |
| 03/31/2011 | US20110074393 Temperature compensated fiber optic current or magnetic field sensor with insensitivity to variations in sensor parameters |
| 03/31/2011 | US20110074386 Voltage indicator signal generation system and method |
| 03/31/2011 | US20110074384 Method and apparatus to measure current in power switchers |
| 03/31/2011 | US20110074383 Assemblies and Methods for Sensing Current Through Semiconductor Device Leads |
| 03/31/2011 | US20110074382 Whole structure contactless power consumption sensing |
| 03/31/2011 | DE102009043596A1 Messwandler mit einem elektrischen Wandler Transducer with an electrical converter |
| 03/30/2011 | EP2302954A2 Hearing aid with LED and method of operation |
| 03/30/2011 | EP2302401A1 Digital multimeter including a remote display |
| 03/30/2011 | CN201781559U Television set with secondary voltage detection and display functions |
| 03/30/2011 | CN201781287U Signal collector of self-adapting switch |
| 03/30/2011 | CN201781262U Intelligent electronic electric leakage protector |
| 03/30/2011 | CN201781227U Multifunctional operating rod for power distribution |
| 03/30/2011 | CN201780683U Signal acquisition and sending device |
| 03/30/2011 | CN201780346U Special intelligent wiring detector for watt-hour meter wiring and electricity inspection |
| 03/30/2011 | CN201780339U Intelligent homogeneous flow detection device |
| 03/30/2011 | CN201780330U Solar generated-energy monitoring system |
| 03/30/2011 | CN201780329U Grid voltage signal sampling system |
| 03/30/2011 | CN201780328U On-line monitoring device for wireless transmission lightning arrester |
| 03/30/2011 | CN201780327U Inductive test pen |
| 03/30/2011 | CN201780326U Multifunctional electrical test pen for instruments |
| 03/30/2011 | CN201780325U High-voltage charged display |
| 03/30/2011 | CN201780324U Capacitor residual voltage detecting device |
| 03/30/2011 | CN201780323U Small-signal measuring instrument |
| 03/30/2011 | CN201780322U High-speed data acquisition card for electric power monitoring |
| 03/30/2011 | CN201780321U Multifunctional electricity-fault recording device |
| 03/30/2011 | CN201780172U Voltage acquisition and conversion device |
| 03/30/2011 | CN101997295A Circuit with functions of detecting over-voltage and over-current and protecting automatically |
| 03/30/2011 | CN101995897A Band-gap reference voltage detection circuit |
| 03/30/2011 | CN101995548A Circuit breaker locator |
| 03/30/2011 | CN101995543A Electric control board testing platform with detection signal and power supply isolation function |
| 03/30/2011 | CN101995527A Measurement apparatus |
| 03/30/2011 | CN101995512A 电压侦测装置 Voltage detection device |
| 03/30/2011 | CN101995511A Bus zero-sequence current in-situ processing system for power grid fault line selection |
| 03/30/2011 | CN101995510A Power indication structure |
| 03/30/2011 | CN101995509A Portable residual current detection and display instrument |
| 03/30/2011 | CN101995508A Device for measuring voltage of nickel hydride power battery assembly module |
| 03/30/2011 | CN101995507A Current sensing device and manufacturing method of the same |
| 03/30/2011 | CN101995506A Module for measuring the current in aconductor of low voltage distributor |
| 03/30/2011 | CN101995505A On-line monitoring terminal of lightning arrester |
| 03/30/2011 | CN101995504A Shunt monitor integrated circuit (IC) tape moving coil meter |
| 03/30/2011 | CN101995503A Simple and easy element voltage-withstand test circuit |
| 03/30/2011 | CN101995326A Test bed for testing comprehensive performance of LED modules |
| 03/30/2011 | CN101603997B Method for testing parameters of synchronous motor and device for achieving same |
| 03/30/2011 | CN101561462B Phasor amplitude measurement method of power system |
| 03/30/2011 | CN101408559B Method for preparing sensitive coil of reflection type optical fiber current sensor |
| 03/30/2011 | CN101398447B Zero-crossing detector, edge-impulse transferor and use thereof |
| 03/30/2011 | CN101231327B Apparatus and method for measuring battery allowance |
| 03/30/2011 | CN101122620B Power supply line |
| 03/29/2011 | US7917316 Test system and computer program for determining threshold voltage variation using a device array |
| 03/29/2011 | US7914655 Potentiostatic circuit arrangement on a biosensor for digitisation of the measured current |
| 03/24/2011 | US20110068772 Apparatus and method for detecting mode change in an electronic device |
| 03/24/2011 | DE102010045397A1 Stromsensor Current sensor |
| 03/24/2011 | DE102009029527A1 Switching arrangement for evaluation of phase signals of generator, has device for detecting amplitude of phase signals, where output of comparator is provided for evaluation of phase signals |
| 03/23/2011 | EP2298164A2 Cardiac monitoring circuit with adaptive sampling |
| 03/23/2011 | CN201774492U Voltage regulator for permanent magnet generator |
| 03/23/2011 | CN201774453U Power supply voltage detection circuit of switching power supply |
| 03/23/2011 | CN201774447U Current and voltage sampling signal conditioning board of wind power generation current transformer |
| 03/23/2011 | CN201774220U Frequency relay |
| 03/23/2011 | CN201773177U Intelligent motor management unit measurement module for chest of drawers |
| 03/23/2011 | CN201773172U Static ageing test bed based on multi-way switch data acquisition analyzer |
| 03/23/2011 | CN201773161U Transformer iron core ground detector |