| Patents for G01R 19 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof (29,850) |
|---|
| 06/11/2008 | CN201072847Y Energy consumption field intelligent management device |
| 06/11/2008 | CN201072432Y Distant range short circuit multi-phase detection device |
| 06/11/2008 | CN201072427Y Pulse current measuring apparatus based on flexible Rogowski coil |
| 06/11/2008 | CN201072426Y Checking device for shunting conducting wire |
| 06/11/2008 | CN101197569A Circuit built in chip for initializing its operation mode and method thereof |
| 06/11/2008 | CN101196541A Flicker demodulation method |
| 06/11/2008 | CN101196540A Voltage detecting circuit |
| 06/11/2008 | CN101196537A Anti-electricity theft alarming device of watt-hour meter |
| 06/11/2008 | CN100394209C Current mutual inductor in-situ detecting device and method |
| 06/11/2008 | CN100394201C Overvoltage on-line sampler for 6-35 KV electric power system |
| 06/11/2008 | CN100394200C Current detection circuit |
| 06/11/2008 | CN100394199C Direct current sensor |
| 06/10/2008 | US7385794 Secondary battery protection device |
| 06/10/2008 | US7385519 Apparatus and method for operability and live-dead-live testing |
| 06/10/2008 | US7385406 Automated electrical wiring inspection system |
| 06/10/2008 | US7385390 Device for establishing a cutting point from a blind side of a structure |
| 06/10/2008 | US7385383 Methods and systems for determining efficacy of stress protection circuitry |
| 06/05/2008 | WO2008064946A1 A method and an apparatus for predicting the future behavior of currents in current paths |
| 06/05/2008 | US20080130334 Determining Reflected Power |
| 06/05/2008 | US20080129374 Optimized uplink efficiencies for transmission of satellite data |
| 06/05/2008 | US20080129284 Current measuring device |
| 06/05/2008 | US20080129279 Voltage measurement instrument and method having improved automatic mode operation |
| 06/05/2008 | US20080129277 Method of displaying delay time, device and storage medium |
| 06/05/2008 | US20080129276 Method for Locating Objects Enclosed in a Medium, and Measuring Device for Carrying Out the Method |
| 06/05/2008 | US20080129273 Power supply device and switching power supply device |
| 06/05/2008 | DE102006056852A1 Detektorschaltung Detector circuit |
| 06/05/2008 | DE102006056705A1 Electrical parameter e.g. electric current, determination circuit, for vehicle, has capacitor arranged between reference potential and nodea that lies between control circuit and inductor, and evaluation device connected to capacitor |
| 06/04/2008 | EP1928007A1 A method and apparatus for predicting the future behavior of current paths |
| 06/04/2008 | EP1927002A2 Determination of low currents with high dynamic range for optical imaging |
| 06/04/2008 | EP1825123B1 Electrical circuit for controlling a piezoelectric element, particularly of a fuel injection system of a motor vehicle |
| 06/04/2008 | EP1490700B1 Circuit arrangement and method for testing an electric circuit |
| 06/04/2008 | CN201069608Y Transmission line disaster monitoring system |
| 06/04/2008 | CN201069462Y Measuring device for circuit base board |
| 06/04/2008 | CN201069452Y Current detection device |
| 06/04/2008 | CN201069451Y DC power load device |
| 06/04/2008 | CN101194171A Device for collecting and processing multiple measure value in HVDC power transmission device |
| 06/04/2008 | CN101191825A Direct-current power supply detection device |
| 06/04/2008 | CN101191824A Power voltage detecting circuit |
| 06/04/2008 | CN101191823A Low power consumption electric source monitoring circuit |
| 06/04/2008 | CN101191814A Intelligent type electric power wiring trouble indication method and indicator |
| 06/04/2008 | CN101191803A Overvoltage sensor and method for detecting overvoltage |
| 06/04/2008 | CN101191802A Electric energy metering chip creeping prevention method |
| 06/04/2008 | CN100392410C Protective relay with synchronized phasor measurement capability for use in electric power systems |
| 06/03/2008 | US7382182 System for reducing calibration time of a power amplifier |
| 06/03/2008 | US7382119 Blind spot targeting system |
| 06/03/2008 | US7382108 Charging apparatus and charging current detecting circuit thereof |
| 05/29/2008 | US20080125988 Current measuring device and method |
| 05/29/2008 | US20080125932 Abnormality detecting device, abnormality detecting method, and computer readable medium storing an abnormality detecting program |
| 05/29/2008 | US20080122431 Micro-electromechanical system (mems) based current & magnetic field sensor having improved sensitivities |
| 05/29/2008 | US20080122429 Current measuring circuit for two phase electromotor |
| 05/29/2008 | US20080122425 High-voltage generator of an x-ray apparatus comprising a high-voltage measurement device |
| 05/29/2008 | US20080122413 Method and apparatus for versatile high voltage level detection with relative noise immunity |
| 05/29/2008 | DE10242908B4 Spannungsdetektionsschaltung für Batterien Voltage detection circuit for batteries |
| 05/29/2008 | DE102007050628A1 Vorrichtung zum Erfassen des Ladungszustands einer Batterie Means for detecting the charge state of a battery |
| 05/29/2008 | DE102006055638A1 Schaltungsanordnung und Verfahren zur Energieversorgung und Taktung für getaktete Verbraucher Circuit arrangement and method for power supply and clock for timed load |
| 05/29/2008 | DE102006054369A1 Sensor arrangement for use in motor vehicle, has circuit arrangement connected with contact areas of supply bus and designed to detect parameter representing electrical current flowing between connections of sensor arrangement |
| 05/29/2008 | DE102006053935A1 Anordnung und Verfahren zur Ermittlung von Lastströmen in einem Fahrzeug Apparatus and method for the determination of load currents in a vehicle |
| 05/29/2008 | DE102004027349B4 Prüfanordnuung und Verfahren zum Ermitteln des Verlustfaktors einer Hochspannungsdurchführung Prüfanordnuung and method for determining the loss factor of a high-voltage bushing |
| 05/28/2008 | EP1926209A2 Detection circuit and detection method |
| 05/28/2008 | CN201066779Y A power current protection detection device |
| 05/28/2008 | CN201066371Y A three-phase and three-line voltage loss judgment module |
| 05/28/2008 | CN201066370Y Measuring device for semiconductor cooling block |
| 05/28/2008 | CN201066360Y A point marking device and touch screen testing device using this device |
| 05/28/2008 | CN101188355A Method for converting the end electric screen current of mutual inductor into line voltage and insulation line monitoring device |
| 05/28/2008 | CN101187695A Automatic electricity-testing machine of battery |
| 05/28/2008 | CN101187686A Tube bus corona inception voltage and extinction voltage test judging method |
| 05/28/2008 | CN101187682A On-line self-adaptive harmonic current detection system |
| 05/28/2008 | CN101187681A Signalling device, and control method, for automatisms |
| 05/28/2008 | CN101187680A AC power system voltage sensor |
| 05/28/2008 | CN101187679A Current measuring circuit for two phase electromotor |
| 05/28/2008 | CN101187678A Frequency converter output voltage detection circuit |
| 05/28/2008 | CN100391072C Apparatus for monitoring neutral wire and earth wire, and electric switch device containing the same |
| 05/28/2008 | CN100390547C Voltage virtual value measuring method based on filter |
| 05/27/2008 | US7379834 Systems and methods for clock mode determination utilizing hysteresis |
| 05/27/2008 | US7378902 Systems and methods of RF power transmission, modulation, and amplification, including embodiments for gain and phase control |
| 05/27/2008 | US7378831 System and method for determining a delay time interval of components |
| 05/27/2008 | US7378637 Method and apparatus for signal processing in a sensor system for use in spectroscopy |
| 05/22/2008 | WO2008058686A1 Electronic monitoring of the wiring loom of a motor vehicle for voltage peaks or voltage dips |
| 05/22/2008 | WO2007133323A3 Systems and methods of rf power transmission, modulation, and amplification |
| 05/22/2008 | US20080116941 Peak signal detector |
| 05/22/2008 | US20080116880 Harmonics measurement instrument with in-situ calibration |
| 05/22/2008 | US20080116876 Plasma processing chamber with ground member integrity indicator and method for using the same |
| 05/21/2008 | EP1922554A1 Current measurement circuit and method of diagnosing faults in same |
| 05/21/2008 | EP1794599B1 Method and circuit provided for measuring very low intensity of electric current |
| 05/21/2008 | DE102006054016A1 Elektronische Überwachung des Bordnetzes eines Kraftfahrzeugs auf Spannungsspitzen oder Spannungseinbrüche Electronic monitoring of the electrical system of a motor vehicle on spikes or dips |
| 05/21/2008 | CN201063439Y Printing current-limiting sample circuit |
| 05/21/2008 | CN201063436Y Protector for photomultiplier tube |
| 05/21/2008 | CN201063047Y Intelligent voice alarm of photovoltaic system |
| 05/21/2008 | CN201063046Y Device for monitoring cathode life of plasma generator |
| 05/21/2008 | CN101185003A Supply voltage monitoring |
| 05/21/2008 | CN101183485A Distribution transformer automatic gauging device |
| 05/21/2008 | CN101183134A Charge pump electrical current testing method |
| 05/21/2008 | CN101183123A Ultra-, extra-high voltage industrial frequency AC immediate contact type electroscope |
| 05/21/2008 | CN101183122A Method of doorsill speed inverse-pulling automatically testing start-up current of steering engine |
| 05/21/2008 | CN101183120A Single-phase electric energy mutual-inductor |
| 05/15/2008 | WO2008055499A2 Advanced real-time grid monitoring system and method |
| 05/15/2008 | US20080111539 Direct current measuring apparatus and limiting circuit |
| 05/15/2008 | US20080111538 Measurement apparatus and measurement method |
| 05/14/2008 | EP1921456A2 Motor vehicle sensor, in particular battery sensor with measuring resistance |
| 05/14/2008 | EP1218760B1 Measurement of current in a vehicle using battery cable as a shunt |