| Patents for G01R 19 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof (29,850) |
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| 03/08/2011 | US7902810 Cable detection system |
| 03/03/2011 | WO2011025573A1 Fiber optic current sensing system with temperature compensation |
| 03/03/2011 | WO2011023137A1 Open phase detection system and method for three-phase motor |
| 03/03/2011 | US20110050285 High linear fast peak detector |
| 03/03/2011 | US20110050278 System for and method of virtual simultaneous sampling with a single adc core |
| 03/03/2011 | US20110050219 Current measuring device by means of magnetically sensitive sensor for a power electronics system |
| 03/03/2011 | US20110050209 Method and apparatus for unambiguous determination of the rotor position of an electrical machine |
| 03/03/2011 | US20110050204 Secondary battery |
| 03/03/2011 | US20110050203 Voltage measuring circuit |
| 03/03/2011 | DE19930835B4 Signalisationsmodul zum Erkennen und Messen einer Quellenspannung oder eines Spannungszustandes Signaling module for recognizing and measuring a voltage source or a stress state |
| 03/03/2011 | DE102010039595A1 Stromsensorvorrichtung und Herstellungsverfahren für eine Stromsensorvorrichtung Current sensor apparatus and manufacturing method for a flow sensor device |
| 03/03/2011 | DE102010035827A1 Stromsensor und Verfahren zur Herstellung eines Sensormoduls für die Benutzung in einem Stromsensor Current sensor and method of manufacturing a sensor module for use in a current sensor |
| 03/03/2011 | DE102009029073A1 Verfahren zur Durchführung eines Selbsttests für eine mikromechanische Sensorvorrichtung und entsprechende mikromechanische Sensorvorrichtung A method of performing a self-test for a micromechanical sensor device and corresponding micro-mechanical sensor device |
| 03/03/2011 | CA2771347A1 Fiber optic current sensing system with temperature compensation |
| 03/02/2011 | EP2290392A1 Enhanced impulse response measurement of an FM radar transmitter pulse |
| 03/02/2011 | EP1433255B1 Control device |
| 03/02/2011 | EP1412764B1 System and method for waveform processing |
| 03/02/2011 | CN201754230U Power failure data storage circuit |
| 03/02/2011 | CN201754176U Battery detection circuit and device thereof |
| 03/02/2011 | CN201754168U Position control instruct converter test bench |
| 03/02/2011 | CN201754165U Flashing neon-electroscope |
| 03/02/2011 | CN201754164U Distribution transformer current and voltage measuring instrument |
| 03/02/2011 | CN201754160U Magnetic-sensing probe of amorphous glass coated wire and current measurement device comprising the probe |
| 03/02/2011 | CN201752648U 金刚石合成功率控制电路 Diamond synthesis power control circuit |
| 03/02/2011 | CN101982781A Operating parameter measuring system for electric device |
| 03/01/2011 | US7900098 Receiver for recovering and retiming electromagnetically coupled data |
| 03/01/2011 | US7898299 Current sense amplifier |
| 02/24/2011 | WO2011022553A1 Protection circuit for power amplifier |
| 02/24/2011 | WO2011021887A2 Method for detecting resistive leakage current of nonlinear element arrester using differential method and apparatus therefor |
| 02/24/2011 | US20110046906 Structure of a magnetic-field gradient sensor and process for fabricating it in integrated technology |
| 02/24/2011 | US20110045582 Methods and apparatus for integrated cell handling and measurements |
| 02/24/2011 | US20110043189 Method for the Secure Acquisition of Multiple Analog Input Signals, Analog Input Circuit, and Measuring Sensor and Measuring Transducer Having an Analog Input Circuit of This Type |
| 02/24/2011 | DE102010030210A1 Verfahren und Vorrichtungen zur Diagnose von Statorwicklungen in einem elektrischen Motor Methods and devices for the diagnosis of stator windings in an electric motor |
| 02/23/2011 | EP2286512A2 Method for determining the offset of a periodic signal |
| 02/23/2011 | EP2286252A2 Sensor cable for electromagnetic surveying |
| 02/23/2011 | CN201752079U Fluctuation awakening device of standby power supply |
| 02/23/2011 | CN201751858U Test loop |
| 02/23/2011 | CN201751849U Ground wire sampling device for power surge suppressor |
| 02/23/2011 | CN101981459A Programmable gain trans-impedance amplifier overload recovery circuit |
| 02/23/2011 | CN101980451A Time-interval-adaptation-based power line power frequency communication system and method |
| 02/23/2011 | CN101980038A Storage battery voltage detecting and charging circuit for solar street light |
| 02/23/2011 | CN101980030A 串接式零负荷电流相位测量仪 Tandem type zero load current phase meter |
| 02/23/2011 | CN101980029A Voltage sampling method and device |
| 02/22/2011 | US7895083 Pricing products over a network |
| 02/22/2011 | US7895004 Method for measuring electric current in a plurality of conductors |
| 02/22/2011 | US7893726 Leakage compensation and improved setup/hold time in a dynamic flip-flop |
| 02/22/2011 | US7893698 Non-destructive method for detecting zones with non conductive materials in a composite part |
| 02/22/2011 | US7893686 Power cord voltage indicator |
| 02/22/2011 | US7893404 Electromagnetic wave sensor, imaging element and imaging device |
| 02/17/2011 | WO2011018754A1 Mixed mode fluxgate current transducer |
| 02/17/2011 | WO2011017879A1 Detecting circuit for electric quantity, processing device and method for state detection of mobile telephone in standby |
| 02/17/2011 | US20110040506 Module for measuring the current flowing in a conductor of a low-voltage distribution board |
| 02/17/2011 | US20110037457 Readout apparatus for current type touch panel |
| 02/17/2011 | US20110037456 Measuring Transducer for Process Instrumentation, and Method for Monitoring the Condition of the Sensor Thereof |
| 02/17/2011 | DE102010030818A1 Verbesserung der Genauigkeit von Batterieüberwachungsteilen Improve the accuracy of battery monitoring parts |
| 02/17/2011 | DE102009037649A1 Elektronische Vorrichtung und Verfahren zur Induktivitätsstrommessung Electronic device and method for Induktivitätsstrommessung |
| 02/16/2011 | EP2284549A1 Mixed mode fluxgate current transducer |
| 02/16/2011 | EP2283534A2 System and method of controlling fluid to a fluid consuming battery |
| 02/16/2011 | EP2283370A1 Individualized self-monitoring system for transformers in power measurement installations and method of self-monitoring and diagnosis of transformers in power measurement installations |
| 02/16/2011 | EP1509993B1 Method for detecting commutation impulses of a fan motor and circuit arrangement for carrying out said method |
| 02/16/2011 | CN201750605U LED intelligent dynamic control system |
| 02/16/2011 | CN201750346U Power supply with self test and display function |
| 02/16/2011 | CN201750179U High-precision charger voltage detection circuit |
| 02/16/2011 | CN201749550U Mobile automatic carbon emission calculation system |
| 02/16/2011 | CN201749194U Portable multifunctional survey instrument |
| 02/16/2011 | CN201749182U Use state of and detection apparatus for energy saving lamp |
| 02/16/2011 | CN201749179U Direct current panel battery undervoltage alarming device |
| 02/16/2011 | CN201749162U Power quality monitoring device based on virtual instrument technology |
| 02/16/2011 | CN201749149U High voltage wireless digital current sensor |
| 02/16/2011 | CN201749148U Passive digital display voltmeter |
| 02/16/2011 | CN201749147U Photoelectric isolated memory lightning counter |
| 02/16/2011 | CN201749146U Induction high-voltage live display device |
| 02/16/2011 | CN201749145U Test pencil |
| 02/16/2011 | CN201749144U Simple automobile circuit testing pen |
| 02/16/2011 | CN201749143U Digital product detection pen |
| 02/16/2011 | CN201749142U Double-coil current sensor |
| 02/16/2011 | CN201749141U Full fiber current transformer |
| 02/16/2011 | CN201749136U In-situ quick checking, analyzing and judging device with electricity stealing prevention |
| 02/16/2011 | CN201745315U Pen used for measuring voltage and current |
| 02/16/2011 | CN101978601A Method and device for operating a circuit arrangement |
| 02/16/2011 | CN101978276A Electrical tester setup and calibration device |
| 02/16/2011 | CN101976949A Anti-interference rapid current sampling circuit based on difference structure |
| 02/16/2011 | CN101976723A Manufacture method of current isolator |
| 02/16/2011 | CN101976491A Power equipment burglar alarm |
| 02/16/2011 | CN101975975A Zero temperature coefficient optical wave plate and polarization state converter |
| 02/16/2011 | CN101975931A Daytime and night detection circuit of solar street lamp |
| 02/16/2011 | CN101975930A Overcurrent detection circuit of solar street lamp |
| 02/16/2011 | CN101975887A Electric energy consumption gauge circuit of AC/DC equipment |
| 02/16/2011 | CN101975886A Three-phase alternating current (AC) synchronous oversampling method |
| 02/16/2011 | CN101975885A Comprehensive electric energy detector for direct-current power supplies |
| 02/16/2011 | CN101975884A High-voltage potential indicator |
| 02/16/2011 | CN101975883A Method for measuring semiconductor detector dark current |
| 02/16/2011 | CN101975882A Difference-stream detecting method based on BSO (Bi12SiO20) crystal and device for realizing same |
| 02/16/2011 | CN101975881A Diagnosis and early warning device of faults of mine explosion-proof dry type transformers |
| 02/16/2011 | CN101975880A Optical current transformer sensing head and sensing method |
| 02/15/2011 | US7888937 Beam current sensor |
| 02/10/2011 | WO2011016955A1 Differential switch with off-state isolation enhancement |
| 02/10/2011 | WO2011015062A1 Battery capacity alarm circuit |
| 02/10/2011 | US20110032113 Ac voltage phase discriminator for circuit breaker locators |
| 02/10/2011 | US20110032046 I/Q Impairment Calibration Using A Spectrum Analyzer |