| Patents for G01R 19 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof (29,850) |
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| 06/20/2013 | US20130158920 Pulse width modulated voltage measuring circuit and method |
| 06/20/2013 | US20130158919 Plug type detection |
| 06/20/2013 | US20130158918 Intelligent electronic device with enhanced power quality monitoring and communications capability |
| 06/20/2013 | US20130158915 Method, Arrangement and Computer Program Product for Determining an End-of-Life State of a Battery |
| 06/20/2013 | US20130154674 Method of high voltage detection and accurate phase angle measurement in cordless phasing meters |
| 06/20/2013 | US20130154673 Measuring floating body voltage in silicon-on-insulator (soi) metal-oxide-semiconductor-field-effect-transistor (mosfet) |
| 06/20/2013 | US20130154631 Current sensor |
| 06/20/2013 | US20130154630 Current sensor |
| 06/20/2013 | US20130154617 Current detecting device and attaching structure thereof |
| 06/20/2013 | US20130154613 Signaling circuit and method to detect zone status |
| 06/20/2013 | DE102012222849A1 Verteilte isolationserfassungsschalttechnik für batteriepack Distributed Isolation gathering switching technology for battery pack |
| 06/20/2013 | DE102012222749A1 Battery- sensor and/or monitoring device for monitoring e.g. power of high voltage direct current battery in hybrid vehicle, has control device detecting difference between accepted- and actual-values of resistor when current values differ |
| 06/20/2013 | DE102011089188A1 Vorrichtung für Photovoltaik-Anlagen und Photovoltaik-Anlage Device for photovoltaic systems and photovoltaic system |
| 06/20/2013 | DE102011088912A1 Schaltungsanordnung zur Detektion eines Kurzschlusses bei einer Leistungsschalteranordnung Circuit arrangement for detecting a short-circuit at a power switch arrangement |
| 06/20/2013 | DE102011088893A1 Strommessschaltung, Batterie und Kraftfahrzeug Current measuring circuit, battery and motor vehicle |
| 06/20/2013 | DE102011088703A1 Method for measuring current flow of reciprocating pump in conveying module of silicon-controlled rectifier catalytic system of internal combustion engine, involves measuring main voltage simultaneously with measurement of current flow |
| 06/20/2013 | DE102011088590A1 Verfahren zur Überprüfung einer elektrischen Strommessung, Schaltung zur Durchführung des Verfahrens, Batterie und Kraftfahrzeug Method for checking an electrical current measurement circuit for performing the method, the battery and motor vehicle |
| 06/20/2013 | DE102008051561B4 Verfahren zum Herstellen einer Stromerfassungseinrichtung A method for producing a current detection means |
| 06/19/2013 | CN203012950U Voltage monitoring system based on phase sequence identification of transformer station area |
| 06/19/2013 | CN203012064U Ring main unit testing device |
| 06/19/2013 | CN203012050U Electrolytic processing spark detection device |
| 06/19/2013 | CN203012036U Current detector for overcurrent protector |
| 06/19/2013 | CN203012033U Current collector monitoring system |
| 06/19/2013 | CN203012031U Device for measuring dynamic changes of friction static electricity and friction performance parameters of insulation material |
| 06/19/2013 | CN203012030U Three-phase load monitoring device |
| 06/19/2013 | CN203012010U Iron loss measurement apparatus for silicon steel plate based on one-chip microcomputer |
| 06/19/2013 | CN203012009U Instrument current recorder |
| 06/19/2013 | CN203012008U Single cell voltage isolation detection apparatus |
| 06/19/2013 | CN203012007U Novel voltmeter |
| 06/19/2013 | CN203012006U Novel ammeter |
| 06/19/2013 | CN203012005U On-board terminal power supply abnormity prompting device |
| 06/19/2013 | CN203012004U Safety voltage meter |
| 06/19/2013 | CN203012003U Safety current meter |
| 06/19/2013 | CN203012002U Voltage detection circuit of automotive frequency converter |
| 06/19/2013 | CN203012001U An elongated electricity detecting pen |
| 06/19/2013 | CN203012000U Current indicating device |
| 06/19/2013 | CN203011999U Multifunctional test pencil |
| 06/19/2013 | CN203011998U Lengthened electroscope with bayonet connection |
| 06/19/2013 | CN203011997U Automatic voltage detection device |
| 06/19/2013 | CN203011996U Limit peak value current detection circuit of switch power supply |
| 06/19/2013 | CN203011995U System for measuring open-circuit voltage of planar thin-film thermoelectric device |
| 06/19/2013 | CN203011994U Three-phase load current detection device |
| 06/19/2013 | CN203011993U Digital display instrument |
| 06/19/2013 | CN203011992U Lithium battery protecting plate detection device |
| 06/19/2013 | CN203011991U Current sampling circuit and motor |
| 06/19/2013 | CN203011990U Combined current voltage sensor |
| 06/19/2013 | CN203011989U Motor direct torque control type stator current detecting circuit |
| 06/19/2013 | CN203011988U Motor voltage detection circuit under control of direct current torque |
| 06/19/2013 | CN203011987U Super capacitor voltage measurement device |
| 06/19/2013 | CN203011986U Direct-current high-voltage isolation sampling circuit |
| 06/19/2013 | CN203011985U Current sensor |
| 06/19/2013 | CN203011984U Sensing optical fiber ring and vibration-proof Sagnac type all-optical fiber current transformer |
| 06/19/2013 | CN203011983U Sensing optical fiber ring and Sagnac type an all-optical fiber current transformer |
| 06/19/2013 | CN203011981U DC side voltage isolation detection system applied to high voltage H-bridge cascading SVG |
| 06/19/2013 | CN203011980U Magnetic resistance integrated chip used for current sensor |
| 06/19/2013 | CN203011604U Wireless GPRS fresh mike cooling on-line real-time monitoring system |
| 06/19/2013 | CN103168245A Method for detection of leakage or fault currents from equipment in an electrical power system |
| 06/19/2013 | CN103167683A Automatic power controlling system and device and compensation voltage operation module and detection module |
| 06/19/2013 | CN103166468A Switched power supply with low sensing currents and current sensing module thereof |
| 06/19/2013 | CN103166137A Multifunctional and combined type intelligent insulating rod |
| 06/19/2013 | CN103165580A Metal coil and current detection structure |
| 06/19/2013 | CN103163487A Power supply distribution testing system and power supply distribution testing method used for detecting finished automobile electric system |
| 06/19/2013 | CN103163466A Detection method of lithium battery |
| 06/19/2013 | CN103163396A Small fuse detecting method for nuclear plant |
| 06/19/2013 | CN103163364A Wireless monitoring device and monitoring method for grounding current of transformer core/clamp |
| 06/19/2013 | CN103163363A Power grid voltage dropping testing algorithm for dynamic voltage restorer |
| 06/19/2013 | CN103163362A Electricity testing pen |
| 06/19/2013 | CN103163361A Combination of electronic components and detection system, and detection method of electronic components |
| 06/19/2013 | CN103163360A Optical current sensor and current measurement method based on comparative measurement structure |
| 06/19/2013 | CN103163359A Super-capacitor single voltage sampling measurement circuit |
| 06/19/2013 | CN103163358A Fast and reliable alternative current power failure detection circuit |
| 06/19/2013 | CN103163357A 多通道漏电流监测系统 Multi-channel leakage current monitoring system |
| 06/19/2013 | CN103163356A Combined sensor |
| 06/19/2013 | CN103163355A Check machine storage battery monitoring system |
| 06/19/2013 | CN103163354A Electric current detection circuit of servo control system |
| 06/19/2013 | CN103163353A Electric arc failure detection method based on current waveform phase space reconstruction and fractal theory |
| 06/19/2013 | CN103163352A Mixing optics current transformer and method for achieving self-correcting measurement thereof |
| 06/19/2013 | CN103163333A Electric property detection device and method for solar chip |
| 06/19/2013 | CN102401809B Carbon monoxide detector and application of detector in voltage test pencil |
| 06/19/2013 | CN102360049B Virtual zero point detector for magnetic modulators |
| 06/19/2013 | CN102279371B Main power supply panel and spare power supply panel voltage fault detecting system for communication equipment |
| 06/19/2013 | CN102279335B Device and method for online detection on short troubles of thyristor |
| 06/19/2013 | CN102236040B High speed alternating current (AC) motor power supply current detection method |
| 06/19/2013 | CN101971043B Method for measuring SOC of battery in battery management system and apparatus thereof |
| 06/19/2013 | CN101957434B Method to improve reliability of a fuel cell system using low performance cell detection at low power operation |
| 06/19/2013 | CN101949964B Space capacitive voltage divider and application thereof on high voltage measuring device |
| 06/19/2013 | CN101946187B Model-based estimation of battery hysteresis |
| 06/19/2013 | CN101893650B Voltage measurement device for high-voltage direct-current power transmission valve assembly |
| 06/19/2013 | CN101329370B Electrical quantity measuring device for electric cable |
| 06/19/2013 | CA2792785A1 Pulse width modulated voltage measuring circuit and method |
| 06/18/2013 | US8466714 Apparatus for detecting presence or absence of oscillation of clock signal |
| 06/18/2013 | US8466698 Current sensor |
| 06/18/2013 | US8465859 Current sensor |
| 06/13/2013 | WO2013086484A1 Flow and soc determination using pump measurements |
| 06/13/2013 | WO2013085111A1 Current detection device for a multiple sensor array |
| 06/13/2013 | WO2013038176A3 Apparatus and method for current measurement |
| 06/13/2013 | US20130151187 Systems And Methods For Determining Current Flow Through A Utility Asset |
| 06/13/2013 | US20130151184 Meter Device |
| 06/13/2013 | US20130147497 Determining the dead time in driving a half-bridge |
| 06/13/2013 | US20130147489 Identification of elemental mercury in the subsurface |