Patents
Patents for G01R 19 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof (29,850)
05/2010
05/12/2010CN101034137B Measurement of battery ending discharge voltage and correcting method
05/12/2010CN101008659B Method for testing fluctuation of aluminium luquid of aluminium reduction cells and test probe thereof
05/11/2010US7716620 Moment-based method and system for evaluation of metal layer transient currents in an integrated circuit
05/11/2010US7714619 High-frequency clock detection circuit
05/11/2010US7714566 Clamp-on current and voltage module for a power monitoring system
05/11/2010CA2365015C Hybrid current and voltage sensing system
05/06/2010WO2010048873A1 Method and device for identifying type of charger
05/06/2010US20100114513 Estimating minimum voltage of fuel cells
05/06/2010US20100109893 Method and apparatus for on-line estimation and forecasting of species concentration during a reaction
05/06/2010US20100109647 Physical quantity sensing apparatus having an internal circuit, a filter circuit having resistors, power supply, grounding, and output pads, with the length and width of wiring between the output or power supply pad and the internal circuit set so that the resistance of resistors and the parasitic resistance component of the wiring satisfy a certain relational expression
05/06/2010US20100109645 Nanostructure sensors
05/06/2010US20100109644 Medical treatment device with tool recognition
05/06/2010US20100109641 Semiconductor device, internal circuit control signal measurement circuit, and delay time measurement method
05/06/2010US20100109636 Measuring apparatus and method for detecting moisture at a measurement voltage input of the measuring apparatus
05/06/2010US20100109612 Method, apparatus, and system for power source failure prediction
05/06/2010US20100107758 Structural member having a plurality of conductive regions
05/06/2010DE102009046181A1 Optimaler Betrieb einer Stromsensoranordnung mit Sense-Transistor Optimal operation of a flow sensor assembly with sense transistor
05/06/2010DE102008043254A1 Integrated circuit i.e. application specific integrated circuit, for voltage monitoring in printed circuit board, has test device connected with test connection pin for applying reference voltage to comparing device for execution of test
05/06/2010DE102008043253A1 Integrated circuit i.e. application specific integrated circuit, for voltage monitoring in printed circuit board, has voltage source for outputting reference voltage, and output pin outputting diagnostic signal based on evaluation signal
05/05/2010EP2182609A2 Electrical circuit
05/05/2010CN201450133U Low-voltage grounding protection device
05/05/2010CN201449443U Power-off detection circuit of isolated fly-back switch power supply
05/05/2010CN201449441U Integrated tester for action voltage of DC switch coil
05/05/2010CN201449425U Excitation inrush-current detector for power transformer
05/05/2010CN201449415U Alternating-current/direct-current leakage current sensor
05/05/2010CN201449414U Suspended DC voltage measuring circuit for high-voltage rectifying circuit
05/05/2010CN201449413U Power distribution monitoring device
05/05/2010CN201449412U Solar generation monitoring and warning device
05/05/2010CN201449411U Multichannel current sampling circuit
05/05/2010CN201449410U Live display for trigger diode
05/05/2010CN201449336U Intelligent internet collection terminal
05/05/2010CN201445663U Circuit for detecting normal operation of ozone generation cylinder
05/05/2010CN1991396B Voltage detection means
05/05/2010CN101702507A Method and device for essential safety anti-explosion based on dynamic monitoring and cut-off of electric spark
05/05/2010CN101702097A Energy-saving power supply system
05/05/2010CN101701992A Electrified tester of digital wireless type zinc oxide arrester
05/05/2010CN101701980A Current and voltage detection method of internal-combustion locomotive and device thereof
05/05/2010CN101701979A Neon-electroscope with tail line
05/05/2010CN101701978A Current detecting device on high-voltage and ultrahigh-voltage power transmission line and detecting method thereof
05/05/2010CN101701977A Single-ended electrical signal measuring instrument
05/05/2010CN101701976A Third rail detection device and method
05/05/2010CN101701975A Precise full-wave detection type current detection device
05/05/2010CN101048668B Comparator feedback peak detector
04/2010
04/29/2010WO2010048037A2 Current sensor having field screening arrangement including electrical conductors sandwiching magnetic permeability layer
04/29/2010WO2010046758A2 Apparatus and method for active voltage compensation
04/29/2010WO2010046272A1 Current detection device and method for detecting a current for controlling an electronically commutated motor, and motor
04/29/2010WO2010046269A1 Control device and method for controlling an electronically commutated motor, and motor
04/29/2010WO2010045978A1 Method for detecting the consumption of electrical energy
04/29/2010WO2010045846A1 Method for measuring surface property parameters of a material and system for analyzing surface property parameters of a material based on the method
04/29/2010WO2010027390A3 Measurement circuit for an electronic ballast having coupled resonant inductors
04/29/2010US20100106763 RMS Metering Devices and Methods
04/29/2010US20100106438 Method and apparatus for determining an operating voltage for preventing photovoltaic cell reverse breakdown during power conversion
04/29/2010US20100102797 State detection device for detecting operation state of high-frequency heating apparatus
04/29/2010US20100102796 State detection device for detecting operation state of high-frequency heating apparatus
04/29/2010DE102009047856A1 System und Verfahren zur Identifikation von Problemen bei Strom- und Spannungsmessung System and method for the identification of problems in current and voltage measurement
04/29/2010DE102008043119A1 Stromerfassungsvorrichtung und Verfahren zum Erfassen eines Stromes zum Steuern eines elektronisch kommutierten Elektromotors, und Elektromotor Current detection apparatus and method for detecting a current for controlling an electronically commutated electric motor, and electric motor
04/29/2010DE102008043114A1 Steuervorrichtung für einen elektronisch kommutierten Elektromotor, Elektromotor und Verfahren A control device for an electronically commutated electric motor, electric motor and method
04/29/2010DE102005028881B4 Fehlerstromanalysator zur Erfassung eines Fehlerstroms und Einrichtung mit Fehlerstromerfassungsfunktion Fehlerstromanalysator for detecting a fault current and fault current detection device with function
04/28/2010EP2179295A1 Wireless remote detector systems and methods
04/28/2010CN201444589U Universal type rapid intelligent charger
04/28/2010CN201444565U Electronic control device utilizing low-current mutual transducer to detect high current
04/28/2010CN201444191U Direct-current power supply online monitoring system
04/28/2010CN201444178U Intelligent integrated electronic tester
04/28/2010CN201444173U Digital pulse width current detecting device
04/28/2010CN201444172U Special voltmeter for wrist battery
04/28/2010CN201444171U Wall bushing mounting voltage transducer
04/28/2010CN201444170U Wheel hub bearing ABS sensor voltage signal detector
04/28/2010CN201444093U Manipulator contact force monitoring device for measuring current
04/28/2010CN1808150B Vehicle battery protection method having power supply noise signal mode analysis function and apparatus therefor
04/28/2010CN101699298A One-phase digital current/voltage measuring instrument and measuring method thereof
04/27/2010US7705554 Circuit arrangement and method for adjusting the power consumption of a load that can be operated by a direct-voltage system
04/27/2010US7705283 Photoelectric conversion device and manufacturing method thereof
04/22/2010WO2010044178A1 Current detector
04/22/2010WO2010044012A1 Low-voltage self-calibrated cmos peak detector
04/22/2010WO2010043937A1 Method and apparatus for current measurement using hall sensors without iron cores
04/22/2010WO2009158367A3 Cell diagnostic system and method
04/22/2010WO2009148899A3 Sensor cable for electromagnetic surveying
04/22/2010US20100100344 User designated measurement display system and method for ndt/ndi with high rate input data
04/22/2010US20100097212 Dynamic information projection for a wall sensor
04/22/2010US20100097064 Flux Plane Locating in an Underground Drilling System
04/22/2010US20100097048 Passive detection of analytes
04/22/2010DE112008001419T5 Integrierte Schaltung mit Mehrzweckknoten, der zum Empfangen einer Schwellwertspannung und zum Vorsehen eines Fehlersignals konfiguriert ist An integrated circuit having multi-purpose node that is configured to receive a threshold voltage and for providing an error signal
04/22/2010DE102008052335A1 Mehrpfad-Leistungsmesser mit Verstärker Multipath power meter with amplifier
04/22/2010DE102008042978A1 Phase current determining method for synchronous machine of drive system in e.g. motor vehicle, involves calculating phase voltage based on intermediate circuit voltage at input side of converter and based on control signal
04/21/2010CN201440161U Locomotive top insulation detection equipment for locomotive
04/21/2010CN201440150U Voltage detector for production line
04/21/2010CN201440149U AC power supply state monitoring circuit and device
04/21/2010CN201440148U High voltage line induction fixture
04/21/2010CN201440125U Multifunctional medical residue detecting analyzer
04/21/2010CN101697430A Power control method based CT electricity getting device of high voltage transmission line
04/21/2010CN101697005A Method for detecting blow-by of hydrogen and oxygen in fuel cell stack quickly
04/21/2010CN101697004A System for detecting electrical property of solar-powered power supply
04/21/2010CN101696999A Wireless data service equipment self-diagnosis method and system
04/21/2010CN101696990A Method for testing electricity of ultrahigh-voltage transmission line based on electric field measurement and system thereof
04/21/2010CN101696989A Current measurement device of alternating current under ultra-high voltage environment
04/21/2010CN101696988A Monitor for three-section type lightning arrester
04/21/2010CN101696987A Device for detecting voltage of TIG welding with high frequency striking arc
04/21/2010CN101696986A Fault arc detection method and protection device adopting same
04/21/2010CN101696985A Method, device and system for detecting direct current
04/21/2010CN101696984A Method and device of single-phase measurement of capacitance current of distribution network