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)
12/2012
12/26/2012CN202631610U Circuit connection plate for testing engineering mechanical instrument
12/26/2012CN202631609U Fully-open type sensing device and fuse
12/26/2012CN202631608U Current detection apparatus for transformer sleeve
12/26/2012CN202631607U Portable photovoltaic assembly direct electric energy gauge
12/26/2012CN202631606U Current detection apparatus
12/26/2012CN202631605U 集成电路 IC
12/26/2012CN202631604U Device for vehicle leakage current test
12/26/2012CN202631602U Display and alarm system for voltage of automotive storage battery
12/26/2012CN202631581U Device for monitoring grounding currents of main transformer iron core and clamping piece
12/26/2012CN102843025A Control circuit, control method, and power supply system for power factor correction (PFC) circuit
12/26/2012CN102842782A Grounding wire operation rod
12/26/2012CN102841599A Intelligent power distribution switch control circuit fault detection circuit and detection method thereof
12/26/2012CN102841365A Method for calibrating maximum linear output current of fast-response X-ray detector
12/26/2012CN102841319A Battery voltage monitoring method based on BMC (baseboard management controller)
12/26/2012CN102841318A Monitoring apparatus and method, monitoring control apparatus and method, and power supply apparatus
12/26/2012CN102841275A On-line monitoring system of arrester
12/26/2012CN102841259A Device and method for detecting insulation resistance of direct current system
12/26/2012CN102841251A Electric car charging station harmonic wave detection method in microgrid
12/26/2012CN102841246A High-precision voltage measuring circuit
12/26/2012CN102841245A Device for detecting end screen current parameter of high-voltage transformer bushing in real time, and control method for device
12/26/2012CN102841244A Rapid detection method for abrupt change of power grid voltage
12/26/2012CN102841243A Detecting device for exciting current at magnetic bias moment of transformer based on wavelet transformation and working method
12/26/2012CN102841242A Sampling circuit and electronic equipment
12/26/2012CN102841241A Voltage detection circuit
12/26/2012CN102841240A Overcurrent detection circuit
12/26/2012CN102841239A Undervoltage collecting circuit
12/26/2012CN102841238A Over-current detection circuit for motor
12/26/2012CN102841237A Over-voltage acquisition circuit
12/26/2012CN102841236A Multi-voltage-stage high voltage electroscope
12/26/2012CN102841235A Back porch sampling circuit and method for sampling back porch falling edge voltage
12/26/2012CN102841234A Non-residual voltage monitoring device for gapless metal oxide lightning arresters and measurement method
12/26/2012CN102841233A Secondary current compensation method for current mutual inductors
12/26/2012CN102841232A Current sensor for electric wire
12/26/2012CN102841231A Monitoring electrode and secondary battery using the same
12/26/2012CN102841113A Measuring circuit for oxygen pump limiting current in nitrogen-oxygen sensor
12/26/2012CN102840021A Electric spark detecting device
12/26/2012CN102361319B IGBT (Insulated Gate Bipolar Translator) short circuit protection detection circuit based on driving chip
12/26/2012CN102095919B Leakage current test system for handheld type electric tools
12/26/2012CN102044458B Detection method of degree of damage of plasma
12/26/2012CN101666826B Overvoltage online monitoring device based on dual time base sampling technology
12/26/2012CN101470139B Transistor circuit and control method thereof
12/26/2012CN101363878B Circuit for detecting power supply voltage drop
12/25/2012US8340829 Method and apparatus of detecting and compensating for DC residual fault currents on electrical systems
12/25/2012US8340791 Process device with sampling skew
12/25/2012US8339275 AC voltage phase discriminator for circuit breaker locators
12/25/2012US8339272 Circuit breaker locator
12/25/2012US8339158 High speed dynamic comparative latch
12/20/2012WO2012173937A2 Cell modeling
12/20/2012WO2012173507A1 Circuit arrangement, lighting apparatus and method of crosstalk-compensated current sensing
12/20/2012WO2012173361A2 Injector and device for detecting injection button
12/20/2012US20120323508 Low voltage detector
12/20/2012US20120323372 Electric arc discharge evaluation method, and associated test stand
12/20/2012US20120319705 Hybrid three-dimensional sensor array, in particular for measuring electrogenic cell assemblies, and the measuring assembly
12/20/2012US20120319696 Device having capacitive loads and abnormality detecting method thereof
12/20/2012US20120319676 Multi-conductor cable current and voltage sensors
12/20/2012DE102012209499A1 Gleichstromentkoppelte Strommessung Decoupled DC current measurement
12/19/2012EP2535728A1 Electrical control unit for a vehicle actuation system
12/19/2012EP2535555A1 Straddle type vehicle
12/19/2012CN202616739U Multifunctional electrified wire netting protecting device
12/19/2012CN202614975U Anti-interference sensing optical fiber and sensing optical fiber ring with same
12/19/2012CN202614866U Three-phase alternating current reactor automatic analyzing device
12/19/2012CN202614838U Power transmission line fault current precise sampling device
12/19/2012CN202614837U Intelligent detection device used for cell phone voltage detection
12/19/2012CN202614836U Wide voltage data acquisition device
12/19/2012CN202614835U Power distribution network line current measuring apparatus
12/19/2012CN202614834U Insulated gate bipolar transistor (IGBT) over-current protection value test device and device used to test IGBT over-current protection value in electric locomotive traction circuit
12/19/2012CN202614833U Overload high temperature alarm
12/19/2012CN202614832U Transient overvoltage monitoring device based on monitoring screen
12/19/2012CN202614831U Transient overvoltage on-line monitoring system
12/19/2012CN202614830U Current induction indicating lamp
12/19/2012CN202614829U High-temperature superconductive conducting wire tension force testing device
12/19/2012CN202614828U Three-phase zero sequence combined type current sensing device
12/19/2012CN202614827U Device for measuring leakage current of transformer body
12/19/2012CN202614826U Current test fixture for camera connecting plate
12/19/2012CN202614825U Frequency response measuring return circuit of current sensor
12/19/2012CN202614823U Multifunctional electroprobe
12/19/2012CN202614539U Vehicle testing device
12/19/2012CN102833526A Wireless video routing inspection device for high-voltage equipment
12/19/2012CN102832685A Charge automatic stop circuit for LED (light-emitting diode) flashlight battery
12/19/2012CN102832513A Computer power socket with alarming function
12/19/2012CN102830371A Signal processing circuit of fluxgate sensor
12/19/2012CN102830351A Device for condition monitoring and fault diagnosis of high-voltage switch
12/19/2012CN102830327A Judging method and device of single-phase grounding fault line of small-current grounding system
12/19/2012CN102830325A Photoelectric type ultrahigh voltage direct-current insulator leakage current monitoring system
12/19/2012CN102830319A Device and method for on-line inspection on insulation state of zinc oxide arrester
12/19/2012CN102830302A Monitoring system and method of current collector
12/19/2012CN102830276A Current sampling method of shock load watt-hour meter
12/19/2012CN102830275A Current detector for oil-submerged pump of transformer
12/19/2012CN102830274A Hierarchical counting and testing method and device of peak voltage
12/19/2012CN102830273A Early warning device for fault of rectifier
12/19/2012CN102830272A Over-current detection circuit
12/19/2012CN102830271A Voltage detecting method and voltage detecting circuit
12/19/2012CN102830270A Reminding device for power-off/on state of mains supply
12/19/2012CN102830269A Electroscope with mechanical locking function
12/19/2012CN102830268A DSP (Digital Signal Processor) and SAPF (Shunt Active Power Filter)-based real-time phase shift detection system and working method thereof
12/19/2012CN102830267A Gearbox current measuring device
12/19/2012CN102830266A Phase discriminating circuit of residual current phase
12/19/2012CN102830265A Current measurement device
12/19/2012CN102830264A Sampling value switching method applicable to safe stable control device under intelligent substation environment
12/19/2012CN102830263A Over-current detection system of inverter circuit and method of over-current detection system
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