Patents
Patents for G01R 19 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof (29,850)
11/2007
11/28/2007CN200982988Y Monitoring alarming system for electric pole pull rope
11/28/2007CN200982987Y An electricity testing pen for motorcar
11/28/2007CN200982870Y Overload failure monitoring device of motorcar assembly line towline
11/28/2007CN200980358Y Glove capable of measuring electric pressure
11/28/2007CN101080639A Current detecting circuit
11/28/2007CN101078743A Electricity consumption and water dripping indicator
11/28/2007CN101078742A Positive negative impulse current measuring method
11/28/2007CN101078741A Aluminum electrolysis rectifier cabinet equal current on-line detection method
11/28/2007CN100351636C Module power supply tester
11/27/2007US7301347 Current sensing circuit
11/27/2007US7301324 Recording medium detecting system
11/22/2007US20070268012 Waveform input circuit, waveform observation unit and semiconductor test apparatus
11/22/2007US20070268011 Radio mode selectivity block for a detector for detecting a buried current carrying coductor
11/22/2007US20070267919 Power line conditioner
11/22/2007DE19847179B4 Schaltungsanordnung zum Erfassen einer galvanisch getrennten Spannung Circuitry for detecting an electrically isolated voltage
11/22/2007DE102006058101A1 Antriebssystem für ein elektronisches Haushaltsgerät A drive system for an electronic domestic appliance
11/22/2007CA2650532A1 Systems and methods of rf power transmission, modulation, and amplification
11/21/2007EP1858154A2 Motor control circuit for a power tool
11/21/2007EP1856543A1 Visualisation arrangement
11/21/2007EP1595331B1 System and method for reducing transfer function ripple in a logarithmic rms-to-dc converter
11/21/2007CN200979573Y A heater loop monitor
11/21/2007CN200979572Y A high voltage signal detection system for AC-AC frequency conversion system
11/21/2007CN200979571Y A load sample circuit
11/21/2007CN200979570Y A novel three-phase current detection circuit
11/21/2007CN101075741A Method for evaluating non-linear dynamic state with loading voltage characteristics
11/21/2007CN101075155A Method, system and power control of semiconductor component with multiple voltage detectors
11/21/2007CN101074973A Sensor and its scramble current monitoring system
11/21/2007CN101074972A Capacitance mask resistance sensor
11/21/2007CN100350256C Voltage measuring apparatus
11/20/2007US7298957 Method for controlling sagging of a power transmission cable
11/20/2007US7298167 Power supply system
11/20/2007US7298131 Current sensors
11/20/2007US7298126 Sondes for locating underground pipes and conduits
11/15/2007DE102006019895A1 Power measuring device for use as battery sensor for measuring e.g. battery power, of vehicle, has connecting unit for connecting contact unit with connector of board, where press fit is provided between connecting unit and hole
11/15/2007DE10101513B4 Verfahren zur Ermittlung der Größe einer sinusförmigen Netzeingangsspannung Method for determining the size of a sinusoidal mains input voltage
11/14/2007EP1855120A2 Device for evaluating line tests of power lines
11/14/2007EP1854113A1 An apparatus and a method for predicting a fault current
11/14/2007CN200976706Y Radiation-canceling circuit for indicating radiation switch
11/14/2007CN200976496Y AC power switch apparatus
11/14/2007CN200976035Y Device for testing power field-effect transistor static parameter
11/14/2007CN200976031Y Power ground network online test device
11/14/2007CN200976025Y Antimagnetic-type current sensor
11/14/2007CN200976024Y Current method high-voltage voltage sensor
11/14/2007CN200976023Y CMOS battery voltage detecting circuit
11/14/2007CN200976022Y Novel sine wave null point trigger circuit
11/14/2007CN101072939A Electrical circuit for controlling a piezoelectric element, particularly of a fuel injection system of a motor vehicle
11/14/2007CN101071152A Method for detecting generator stator single-phase earthing fault direction
11/14/2007CN101071145A Method for measuring capacitance current of automatic tracking compensating device for arc-extinguishing coil
11/14/2007CN101071144A Electronic body capable of detecting external body types and its relative detecting method
11/14/2007CN101071143A Warp-around voltage-current measurement combining device
11/13/2007USRE39918 Direct current sum bandgap voltage comparator
11/13/2007US7295060 Characterizing amplitude and phase transfer response of amplifiers using single port measurements
11/13/2007US7295043 Differential output circuit for improving bandwidth
11/08/2007WO2007045313A3 Electrical energy storage unit on edlc basis
11/08/2007WO2007030024A3 Hidden fitting locator
11/08/2007WO2006060916A3 Method and apparatus for monitoring and controlling a heater zone
11/08/2007US20070257659 Temperature detection function-incorporating current sensor
11/08/2007US20070257658 Terminator circuit, test apparatus, test head, and communication device
11/08/2007DE102006020029A1 Adaptive, kapazitive Koppelschaltung und Verfahren zur Nachrichtenübertragung über geschirmte Energiekabel eines elektrischen Energieverteilnetzes Adaptive, capacitive coupling circuit and method for transmitting messages via shielded power cable an electrical power distribution
11/08/2007CA2587965A1 Method and apparatus for open neutral fault detection
11/07/2007CN200972492Y Anti-theft alarm of three-phase distribution installation
11/07/2007CN200972491Y Gas meter with module for testing battery voltage
11/07/2007CN101068426A Method for measuring cell phone standby time
11/07/2007CN101068081A Electricity net safety stable controlling system testing method
11/07/2007CN101067634A Method for accurate computing electric line loss
11/07/2007CN101067633A Method for load overcurrent non-loss detection and charging overvoltage protection
11/07/2007CN101067632A Charging current lossless detecting method
11/07/2007CN100347561C Monitoring signal output circuit, batteries and battery voltage monitoring circuit and method therefor
11/07/2007CN100347552C Transient current measuring method and system for IC chip
11/06/2007US7292946 Integrated PC card host controller for the detection and operation of a plurality of expansion cards
11/06/2007US7292053 High-voltage measuring device
11/06/2007US7292022 Current detection resistor, mounting structure thereof and method of measuring effective inductance
11/01/2007US20070255516 Operating voltage determination for and integrated circuit
11/01/2007US20070253719 Wide dynamic range sensor signal processing method & circuitry for analog and digital information signals
11/01/2007US20070252973 Position detecting device
11/01/2007US20070252580 Probe for Measuring Characteristics of an Excitation Current of a Plasma, and Associated Plasma Reactor
11/01/2007US20070252576 Methods and apparatus for testing power generators
11/01/2007US20070252575 Accumulated current counter and method thereof
11/01/2007US20070252571 Electric power applying circuit and test apparatus
10/2007
10/31/2007EP1850441A2 Improvements relating to electrical power transmission
10/31/2007EP1525485B1 Adaptive voltage monitoring arrangement
10/31/2007DE10308964B4 Verfahren zum Verarbeiten eines Spitzenstroms in einer zum Betreiben eines Elektromotors vorgesehenen Schaltungsanordnung und Schaltungsanordnung zum Betreiben eines Elektromotors A method of processing a peak current in an electric motor for operating a provided circuit configuration and circuit arrangement for operating an electric motor
10/31/2007DE102006019573A1 Motor vehicle main power supply`s load testing method, involves storing signal energies at output of Goertzel filter and/or Goertzel algorithm, and testing energies with respect to its gradient and end value on reaching minimum values
10/31/2007DE102006019467A1 Electrical network`s short-circuit detecting method for use in e.g. industry, involves determining actual values as intensity of current flowing in electrical network, and detecting short-circuit when threshold value exceeds threshold value
10/31/2007CN200968981Y Battery automatic electricity checking machine
10/31/2007CN101063694A Voltage measurement instrument
10/31/2007CN101063693A Singlechip signal sampling apparatus without module converter and sampling method thereof
10/31/2007CN100346164C Voltage detecting circuit
10/30/2007US7289920 Method and apparatus for capture of grid characteristics corresponding to fluctuation events
10/30/2007US7288942 Plasma potential measuring method and apparatus, and plasma potential measuring probe
10/30/2007US7288772 Diagnostic system for profiling micro-beams
10/25/2007WO2007118779A1 Method for measuring an alternating current which is generated using inverters, and arrangement for carrying out the method
10/25/2007WO2005114229A3 Perfusion weighted mri with local arterial input functions
10/25/2007US20070250277 System and method for depth determination of cracks in conducting structures
10/25/2007DE202007012065U1 Kombinierter Strom- und Spannungssensor für Hochspannungsanlagen (1-380 kV) Combined current and voltage sensor for high voltage systems (1-380 kV)
10/25/2007DE202007011630U1 Identifizierbares Kabel Identifiable cable
10/25/2007DE102004036352B4 Schaltkreis zur Strommessung und Stromüberwachung und deren Verwendung für eine Funktionseinheit Circuit for measuring the current and current monitoring and the use thereof for a functional unit
10/24/2007EP1847902A2 Signal coincidence detection circuit
10/24/2007EP1847003A2 Current sensing analog to digital converter and method of use
10/24/2007EP1336133A4 Control variables