| Patents for G01R 19 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof (29,850) |
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| 10/23/2013 | CN203251016U Link bar |
| 10/23/2013 | CN203250717U A self-adaptive controllable ion pump power supply apparatus |
| 10/23/2013 | CN203250174U Voltage measure circuit and automatic change-over switch controller |
| 10/23/2013 | CN203250011U A UPS power supply monitor |
| 10/23/2013 | CN203249965U Electric car battery assembly single battery voltage detecting system |
| 10/23/2013 | CN203249964U Power battery voltage acquisition system |
| 10/23/2013 | CN203249963U Detachable charge indictor |
| 10/23/2013 | CN203249962U Novel blocking charge indicator |
| 10/23/2013 | CN203249961U Novel power supply indicating device for mining switches |
| 10/23/2013 | CN203249960U High-voltage power distribution cabinet incoming line electrification state remote detection device |
| 10/23/2013 | CN203249959U Telescopic circuit detection pen |
| 10/23/2013 | CN203249958U A novel welding secondary loop detecting system |
| 10/23/2013 | CN203249957U Multi-path voltage monitoring device |
| 10/23/2013 | CN203249164U Centrally installed switchgear potential indicator |
| 10/23/2013 | CN103368497A Motor drive device |
| 10/23/2013 | CN103368391A Step-down circuit with starting display and for electric vehicle |
| 10/23/2013 | CN103368157A 浪涌保护装置 Surge protection devices |
| 10/23/2013 | CN103368145A Relay welding detector of battery system and battery system which uses detector |
| 10/23/2013 | CN103364739A Method for testing node temperature rise of switch tube in switch power source |
| 10/23/2013 | CN103364733A Semiconductor device and battery monitoring system |
| 10/23/2013 | CN103364730A Simple circuit for measuring voltages of each single battery in 16-section series battery pack |
| 10/23/2013 | CN103364728A Power cell warehouse management system |
| 10/23/2013 | CN103364726A Battery discharge monitoring device |
| 10/23/2013 | CN103364708A A method and an apparatus for diagnosing a discharge circuit of an electrical system |
| 10/23/2013 | CN103364704A Method for predicting open-circuit voltages of polycrystalline silicon chips |
| 10/23/2013 | CN103364685A Current temperature on-line fault indicator and method for judging fault |
| 10/23/2013 | CN103364680A Opening current detector-based direct current grounding alarm |
| 10/23/2013 | CN103364653A Method for testing maximum load quantity in multi-lamp parallel circuit |
| 10/23/2013 | CN103364648A Nuclear phase device and electroscope used in cooperation with nuclear phase device |
| 10/23/2013 | CN103364640A Full-automation balancing device for high-voltage capacitance bridge and balancing method |
| 10/23/2013 | CN103364628A Residual current signal conditioning circuit |
| 10/23/2013 | CN103364627A Leakage current detection circuit of automatic reclosing lock disconnector |
| 10/23/2013 | CN103364626A Alternating current input voltage detection circuit |
| 10/23/2013 | CN103364625A Automatic online tracking method for sensor zero drift |
| 10/23/2013 | CN103364624A Method for accurately calculating capacitor transient state voltage through current |
| 10/23/2013 | CN103364623A Alternating-current digital voltmeter based on single-chip microcomputer |
| 10/23/2013 | CN103364622A Catching method for breakdown points in electrolytic capacitor breakdown test process |
| 10/23/2013 | CN103364621A Power supply detection circuit and electronic device provided with same |
| 10/23/2013 | CN103364620A Power monitoring circuit and equipment |
| 10/23/2013 | CN103364619A Method for detecting voltage of terminal equipment and terminal equipment |
| 10/23/2013 | CN103364618A Measuring method for harmonic voltage on direct current side of high-voltage direct current power transmission system |
| 10/23/2013 | CN103364617A Thunder and lightning test device and method |
| 10/23/2013 | CN103364616A Feedback magnetic isolation direct current sensor |
| 10/23/2013 | CN103364615A Arrester leakage current monitor isolation sampling circuit |
| 10/23/2013 | CN103364614A Self-adaptive wide-range current and voltage conversion device |
| 10/23/2013 | CN103364613A Voltage signal conditioning circuit of automatic reclosing lock breaker in time of electric leakage |
| 10/23/2013 | CN103364612A Dual-Hall element current sensor |
| 10/23/2013 | CN103364611A A device and a method for the redundant determination of a battery current flowing through the poles of a battery |
| 10/23/2013 | CN103364610A System and method for current measurement in the presence of high common mode voltages |
| 10/23/2013 | CN103364609A Structure and method of mounting current sensor to battery cable |
| 10/23/2013 | CN103364608A 电流传感器 Current Sensors |
| 10/23/2013 | CN103364607A Self-heating electrometer for high pressure ion chamber for verification of temperature compensation |
| 10/23/2013 | CN103364606A System capable of accurately measuring voltage and current simultaneously and instrument adopting same |
| 10/23/2013 | CN102520230B Zinc oxide lightning arrester operation state detection method |
| 10/23/2013 | CN102518514B Ionic current detection circuit based on automotive ignition system |
| 10/23/2013 | CN102288890B Method and device for detecting failures of chip |
| 10/23/2013 | CN102105011B Monitoring method and monitoring center for energy-saving terminal of street lamp |
| 10/23/2013 | CN101978601B Method and device for operating circuit arrangement |
| 10/23/2013 | CN101762622B Trenchless construction large-diameter pipeline corrosion controlling and monitoring system |
| 10/22/2013 | US8566051 Leak detection and location system, method, and software product |
| 10/22/2013 | US8566049 Battery system |
| 10/22/2013 | US8566043 Detector for calculating the distortion of an electromagnetic field produced by a buried current carrying conductor |
| 10/22/2013 | US8564312 Fuel sensor |
| 10/22/2013 | US8564297 Stun device testing apparatus and methods |
| 10/22/2013 | US8564277 System for and method of virtual simultaneous sampling with a single ADC core |
| 10/22/2013 | US8564276 Method and measurement device for determining a condition of an electric igniter of a gas turbine burner and an ignition device for a gas turbine burner |
| 10/17/2013 | WO2013154563A1 System and method for detecting branch circuit current |
| 10/17/2013 | WO2013153638A1 Power conversion device |
| 10/17/2013 | US20130275068 Data processing device, data processing method, and program |
| 10/17/2013 | US20130271115 Power supply efficiency measurement device |
| 10/17/2013 | US20130271114 Frequency phase detection three phase system |
| 10/17/2013 | US20130271113 Diffractive MEMS based fiber optic AC electric field strength/voltage sensor for applications in high voltage environments |
| 10/17/2013 | DE102013206432A1 Verfahren und Anordnung zur Treiberdiagnose von Schützen, Batterie und Kraftfahrzeug mit einer solchen Batterie Method and system for diagnosis of protecting drivers, battery and motor vehicle with such a battery |
| 10/17/2013 | DE102013206218A1 System und Verfahren zum Schätzen eines elektrischen Stroms in Motorsteuerungsschaltungen, um die Leistung und Diagnosefähigkeit zu verbessern System and method for estimating an electrical current in motor control circuits to improve the performance and diagnostic capability |
| 10/17/2013 | DE102013102709A1 Verfahren zur Überwachung eines Stufenschalters A method of monitoring a tap changer |
| 10/17/2013 | DE102013006197A1 Motorsteuervorrichtung ausgestattet mit Delta-Sigma-Modulations-A/D-Umsetzer Motor control device equipped with delta-sigma modulation A / D converter |
| 10/17/2013 | DE102012103238A1 Arrangement for measuring diabetes of patient, has mobile communication device in communication with medical network for therapeutic measures from health personnel such that patient order is communicated from developed total authority |
| 10/17/2013 | DE102012007082A1 Vorrichtung und Verfahren zur Überwachung eines Gefäßzugangs eines Patienten mit einem gewebten Feuchtesensor mit Kontrollabschnitt Apparatus and method for monitoring a vascular access of a patient with a woven humidity sensor with control section |
| 10/16/2013 | EP2649717A1 Method and system for measuring the integrity of a power converter |
| 10/16/2013 | EP2649714A2 Switch-mode power supply with enhanced current source capability |
| 10/16/2013 | CN203242953U Link bar capable of measuring high-voltage load current |
| 10/16/2013 | CN203241471U General electronic transformer meeting the needs of power quality data analysis |
| 10/16/2013 | CN203241470U Direct current electroscope and direct current electroscopy system |
| 10/16/2013 | CN203241469U Multifunctional test pencil |
| 10/16/2013 | CN203241468U Signal acquisition device of high-voltage live-line display sensor |
| 10/16/2013 | CN203241467U Multifunctional detector |
| 10/16/2013 | CN203241466U Novel current detection alarm device |
| 10/16/2013 | CN203241465U Novel induction-type high-voltage sensor |
| 10/16/2013 | CN203241464U Current measurement device for lightning arresters and capacitive devices |
| 10/16/2013 | CN203241463U An integrated apparatus of a power grid neutral point externally connected with a capacitor for measuring capacitor current in a power grid |
| 10/16/2013 | CN103353717A Networked comprehensive intelligent socket and implementation method thereof |
| 10/16/2013 | CN103353570A Method and system for identifying arc fault based on load terminal voltage detection |
| 10/16/2013 | CN103353563A Method for testing current distribution uniformity inside monolithic piezoresistor valve plate |
| 10/16/2013 | CN103353548A Power grid voltage synchronization signal extraction device and method thereof |
| 10/16/2013 | CN103353547A Power grid voltage monitoring device |
| 10/16/2013 | CN103353546A Overload detection circuit of inverter by using on-resistance of MOSFET |
| 10/16/2013 | CN103116059B Voltage fast detection algorithm suitable for grid power system low voltage ride through function |
| 10/16/2013 | CN102566568B Intelligent testing system and testing method for motor controller of electric vehicle |
| 10/16/2013 | CN102445593B Splash electric tower indicator based on inductive energy accumulation |
| 10/16/2013 | CN102435847B High-precision electrical parameter analyzer |