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
12/19/2012CN102830262A Alternating current detection circuit based on bidirectional optocoupler
12/19/2012CN102830261A Calculation method for short-circuit current in two-phase or single-phase power transmission line
12/19/2012CN102830260A Method for measuring carrier concentration in semiconductor quantum well
12/19/2012CN102830259A Full-optical-fiber current sensor
12/19/2012CN102830258A Optical current sensing system and current measuring method
12/19/2012CN102824674A Palm atomizer with detection function
12/19/2012CN102393250B Method and device for obtaining optimal bias voltage of infrared focal plane detector
12/19/2012CN102115874B Device and method for measuring density distribution and angle distribution of beams and beam steering method
12/19/2012CN101846718B Single-phase earth fault location system for distribution network of power system and method thereof
12/19/2012CN101784153B Human body electrostatic discharge alarm apparatus
12/19/2012CN101738578B Method, device and system for measuring energy consumption of integrated circuits
12/19/2012CN101413966B Modular electric energy metering machine
12/19/2012CN101329373B Method for detecting storage voltage, display apparatus using the storage voltage and method for driving the display apparatus
12/18/2012US8335574 Power controlling device and methods of use
12/18/2012US8334685 Signal detector and signal detection method
12/18/2012US8334684 Method for improving sensitivity for radiometers
12/13/2012WO2012170298A1 Current sensor
12/13/2012WO2012169419A1 Discharge ionization current detector
12/13/2012WO2012168169A1 Method for detecting a triggering of a security device
12/13/2012WO2012168066A1 Device for monitoring the voltage output by the cells of an electrochemical generator
12/13/2012WO2012167747A1 Device and method for alternating current physical quantity measurement and data collection
12/13/2012WO2012167290A1 End-position-monitoring of a gas injector
12/13/2012WO2012109680A3 Hysteretic current mode controller for a bidirectional converter with lossless inductor current sensing
12/13/2012US20120313654 Voltage Detection Method and Voltage Detector Circuit
12/13/2012US20120313619 Current measuring apparatus
12/13/2012DE102011112536B3 Screwing tool for connecting electric poles of lithium ion battery cells used in e.g. electric vehicle, has control unit for connecting electric pole with electric conductor based on electric potential of electric pole
12/13/2012DE102011077363A1 Electrical device for e.g. hybrid car, has evaluation unit for evaluating evaluation signal in predetermined evaluation time space, and contactor including response time and bounce time when switching on and fall time when switching off
12/12/2012EP2533366A1 High voltage electrical connection system provided with a high frequency coupling device
12/12/2012EP2533057A2 Interleaved digital down-conversion on a test and measurement instrument
12/12/2012EP2533054A2 Bipolar voltage test with test electrode protection
12/12/2012EP2532082A2 Effective current sensing for high voltage switching regulators
12/12/2012CN202602369U Leakage current abnormity remote alarm device of distribution transformer station area arrester
12/12/2012CN202601406U Intelligent/networked electronic current transformer based on non-penetrating hollow coil
12/12/2012CN202600095U Fault identification device of power distribution network
12/12/2012CN202600092U On-line positioning system for small current grounding fault section
12/12/2012CN202600081U Operating device for leakage current live detection of outer sheath of power cable
12/12/2012CN202600064U Long-distance real-time online detector for lightning arrester
12/12/2012CN202600057U Enablement integrated tester for high-capacity electrolytic capacitor
12/12/2012CN202600045U Voltage monitor
12/12/2012CN202600044U Detection device for grounding current of transformer iron core
12/12/2012CN202600043U Intelligent ring main unit and current acquisition device thereof
12/12/2012CN202600042U A mobile stray current monitoring device
12/12/2012CN202600041U Mobile stray current monitoring device
12/12/2012CN202600040U Simplified alternating-current zero crossing point detecting and amplitude sampling device
12/12/2012CN202600039U Lightening counting device
12/12/2012CN202600038U Intelligent lightning stroke counter with telecommand alarm function
12/12/2012CN202600037U Direct lightning recording apparatus for transmission line
12/12/2012CN202600036U Overcurrent carrier alarm device
12/12/2012CN202600035U Current type monitoring device
12/12/2012CN202600034U Power grid overvoltage signal detection system
12/12/2012CN202600033U Infrared luminescent tube current detector
12/12/2012CN202600032U All-loop electroscope
12/12/2012CN202600031U High-voltage line power loss alarm system
12/12/2012CN202600030U High-voltage live displaying and blocking device
12/12/2012CN202600029U High-voltage live display apparatus
12/12/2012CN202600028U Test pencil
12/12/2012CN202600027U Power battery voltage collecting circuit
12/12/2012CN202600026U Extending current detector
12/12/2012CN202600025U Scalable vector graphics (SVG) power unit body direct current voltage detection circuit
12/12/2012CN202600024U Integrated electronic type mutual inductor device
12/12/2012CN202600023U Voltage testing device of motor shaft
12/12/2012CN202600022U Current sampling circuit based on power semiconductor devices of control system
12/12/2012CN202600021U Signal measurement device used for generator terminal system
12/12/2012CN202600020U Thermally simulated current tester
12/12/2012CN202600019U Current sensor device and current sensor thereof
12/12/2012CN202600018U Low-power low-voltage detection circuit
12/12/2012CN202600017U Intelligent temperature, humidity and current on-line real-time monitoring contact box
12/12/2012CN202593309U Automobile power-battery voltage-monitoring system
12/12/2012CN102822687A Voltage detection assembly for battery module and battery module including same
12/12/2012CN102822686A Method for measuring an electrical current and apparatus therefor
12/12/2012CN102818969A Directional detection of resistive earth fault and medium-voltage conductor breakage
12/12/2012CN102818958A On-line monitoring method and on-line monitoring device for transformer substation parallel connection compensating capacitor group
12/12/2012CN102818955A Testing device of solar-energy charging station system
12/12/2012CN102818929A Isolating SPI (serial peripheral interface) bus electric energy measuring module and multifunctional ammeter
12/12/2012CN102818928A Current probe-based on-line measuring system for high-frequency corona pulse current on high-voltage line
12/12/2012CN102818927A Measuring device and measuring method of reverse small current in direct current distribution system
12/12/2012CN102818926A Intelligent voltage warning instrument
12/12/2012CN102818925A Isolated resistive current sensor
12/12/2012CN102818924A Controller current sensor
12/12/2012CN102818923A System and method for measuring output voltage of internal power source of chip
12/12/2012CN102818922A Sampling device for leakage current of taps of high-voltage bushings
12/12/2012CN102818921A Method for calculating amplitude and phase of alternating current signal based on iterative Fourier transform
12/12/2012CN102818920A Current measuring method and device based on electromagnetic force and through optical fibers
12/12/2012CN102818919A Optical current transformer and method for resisting external magnetic field interference
12/12/2012CN102817770A System for detecting lightning strikes on wind turbine rotor blades
12/12/2012CN102095922B Short circuit current zero predicting method
12/12/2012CN101799491B Multi-cell battery pack protection circuit
12/12/2012CN101769957B Automatic switching circuit for voltage and current measurement and method thereof
12/12/2012CN101738537B High-sensitivity digital nanovoltmeter and realization method thereof
12/12/2012CN101666851B Insulation, voltage, grounding test and grounding finding device and use method thereof
12/11/2012US8330498 Sense amplifier and electronic apparatus using the same
12/06/2012WO2012165842A2 Method for estimation state of health for ess
12/06/2012US20120310569 Methods and apparatus for measuring the fundamental frequency of a line signal
12/06/2012US20120306657 Isolated resistive current sensor
12/06/2012US20120306516 Voltage detection circuit, ecu, automobile with ecu
12/06/2012US20120306477 Rail to rail comparator with wide hysteresis and memory
12/06/2012US20120306474 Battery connector
12/06/2012DE202012011022U1 Transportables elektronisches Kompakt-Messgerät zur Grössenbestimmung einer Blindstrom-Kompensation ohne Auftrennung des Stromleiters Portable electronic compact gauge for sizing a reactive current compensation without separation of the conductor
12/06/2012DE102012209182A1 Isolierter resistiver Stromsensor Insulated resistive current sensor
12/06/2012DE102011077007A1 Zweipoliger Spannungsprüfer mit Prüfelektrodenschutz Two-pole voltage tester with Prüfelektrodenschutz
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