| Patents for G01R 19 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof (29,850) |
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| 12/26/2007 | CN200996974Y Welding current and voltage inspecter for electronic spot welder |
| 12/26/2007 | CN200996973Y Isolated voltage collecting circuit |
| 12/26/2007 | CN101093233A DC detection method and device for hf electric source device |
| 12/26/2007 | CN101093232A Fast detector for surging or sudden drawdown voltages, and method |
| 12/25/2007 | US7313179 Minimizing windowing effects in particular for signal recovery |
| 12/25/2007 | US7312715 Management of large scale cabling systems |
| 12/25/2007 | US7312641 Sense amplifiers with high voltage swing |
| 12/25/2007 | US7312612 Circuit for detecting electric current |
| 12/21/2007 | WO2007145560A1 Sensor and system for sensing an electron beam |
| 12/21/2007 | WO2007143834A1 Electrical energy monitor |
| 12/21/2007 | WO2007067939A3 Assessment of electrode coupling for tissue ablation |
| 12/21/2007 | CA2654997A1 Electrical energy monitor |
| 12/20/2007 | US20070294342 Specifying products over a network |
| 12/20/2007 | US20070294341 Pricing products over a network |
| 12/20/2007 | US20070294047 Calibration system |
| 12/20/2007 | US20070290723 Liquid crystal display backlight inverter |
| 12/20/2007 | US20070290722 Liquid crystal display backlight inverter |
| 12/20/2007 | US20070290721 Method and apparatus for amplifying a regulated differential signal to a higher voltage |
| 12/20/2007 | US20070290695 Method and Apparatus for Measuring Current |
| 12/20/2007 | US20070290674 Device and Method for Measuring Individual Cell Voltages in a Cell Stack of an Energy Accumulator |
| 12/20/2007 | US20070290672 Detector for detecting a buried current carrying conductor |
| 12/20/2007 | US20070290671 Locating Device |
| 12/20/2007 | DE202006012382U1 System zum Überwachen von Schaltzuständen von elektrischen Verbrauchern in einem Haushalt A system for monitoring of switching states of electrical loads in a household |
| 12/19/2007 | EP1866655A1 Device for supplying power to measuring sensors and transmitting a synchronous clock signal thereto |
| 12/19/2007 | CN200994059Y Intelligent controller of power module with current sampling function |
| 12/19/2007 | CN200993667Y Non-residual-voltage digital display lightning arrester on-line monitor |
| 12/19/2007 | CN200993663Y Microwave network analytic instrument |
| 12/19/2007 | CN200993662Y DC series measuring-controlling device for electrolytic aluminium plant |
| 12/19/2007 | CN200993661Y Alive device sound-light prompt device |
| 12/19/2007 | CN200993660Y Contactless sensing current meter |
| 12/19/2007 | CN200993659Y Transformer sectioned voltage digital display instrument |
| 12/19/2007 | CN200993658Y Contactless transformer-free electronic voltage measuring device |
| 12/19/2007 | CN200992994Y Pumping unit operation indicating device |
| 12/19/2007 | CN101090198A Safety alarm device for power line |
| 12/19/2007 | CN101089639A Detection circuit for soft starter |
| 12/19/2007 | CN101089635A Device for current overload prealarm promption on PCB circuit board |
| 12/19/2007 | CN101089634A Voltage measuring instrument |
| 12/19/2007 | CN101089633A Voltage measuring instrument without variation |
| 12/19/2007 | CN101089632A Three-phase current detection circuit |
| 12/19/2007 | CN101089196A Method for determining the concentration of nucleic acids |
| 12/19/2007 | CN100356684C IC apparatus for monitoring power supply |
| 12/19/2007 | CN100356650C Intelligent data collecting and overvoltage protective system for high and medium voltage power device |
| 12/19/2007 | CN100356185C Fuel cell monolithic voltage monitor of vehicle |
| 12/19/2007 | CN100356180C Liquid-crystal indicator of voltage presence |
| 12/18/2007 | US7309979 Utility services usage and demand reporting system |
| 12/13/2007 | WO2007142591A1 Method and device for demodulation of signals |
| 12/13/2007 | WO2007140955A1 Circuit for monitoring a battery voltage |
| 12/13/2007 | WO2007140732A1 Device and method for detecting an energy quality level in an electrical supply network |
| 12/13/2007 | WO2007088499A3 Method of instantaneously determining or estimating the frequency or amplitude of an input signal |
| 12/13/2007 | WO2005070016A3 Non-quasistatic rectifier circuit |
| 12/13/2007 | US20070285084 Circuit component tester |
| 12/13/2007 | US20070285083 Battery voltage measurement circuit, battery voltage measurement method, and battery electric control unit |
| 12/13/2007 | DE202006020060U1 Vorrichtung zur Überwachung der Kontaktierung eines Laststromanschlusselements mit einem Kontaktfeld einer Leiterkarte Device for monitoring the load current contacting of a connection element with a contact pad of a circuit board |
| 12/12/2007 | EP1865331A2 Electric/electronic device |
| 12/12/2007 | EP1864268A2 Process control loop current verification |
| 12/12/2007 | CN200989933Y Electric line antitheft alarming device |
| 12/12/2007 | CN200989921Y Electric line antitheft alarming device |
| 12/12/2007 | CN200989920Y Electric energy quality tester signal dispensable circuit |
| 12/12/2007 | CN200989919Y Electric current monitor for power station |
| 12/12/2007 | CN200989918Y Inputting voltage detection circuit for sensing transformer |
| 12/12/2007 | CN200989917Y Voltage sensor |
| 12/12/2007 | CN200988037Y Battery sorter |
| 12/12/2007 | CN101087101A Power supplier reducing the energy consumption of power status display device |
| 12/12/2007 | CN101087072A Dual power switching control device |
| 12/12/2007 | CN101086510A Digital trigger circuit |
| 12/12/2007 | CN100354634C Instantaneous voltage detection circuit to multiple power source supply end |
| 12/11/2007 | US7307413 Device using a detection circuit to determine whether an output current thereof is source-induced or load-induced, and method therefor |
| 12/11/2007 | US7307410 Alternating current detection coil |
| 12/11/2007 | US7307408 Cable locating device |
| 12/06/2007 | WO2007137659A1 Measuring device and method for measuring the power of a high frequency signal |
| 12/06/2007 | WO2007137658A1 Measuring device and measuring method for measuring the peak envelope power and the average power |
| 12/06/2007 | US20070279051 Fuel Cell Current Distribution Measuring Equipment and Fuel Cell Current Distribution Measuring Method |
| 12/06/2007 | US20070279040 On-chip current sensing methods and systems |
| 12/06/2007 | US20070279036 Electrostatic discharge device testing system and method |
| 12/06/2007 | DE10337271B4 Spitzenwertgleichrichterschaltung Peak rectifier circuit |
| 12/05/2007 | CN200987010Y Multifunctional metering sockets |
| 12/05/2007 | CN200986578Y Low noise amplifier monitor alarming device |
| 12/05/2007 | CN200986577Y LED leakage current detecting device |
| 12/05/2007 | CN200986574Y High-frequency electrical signal detection pen |
| 12/05/2007 | CN200986573Y High anti-interference AC/magnetic field sensor |
| 12/05/2007 | CN200986563Y Electrical inspection knife device |
| 12/05/2007 | CN101082661A Current mutual inductor for intelligent electrical apparatus release and control method thereof |
| 12/05/2007 | CN101082649A Method for testing three phases power supply of flying vehicle and tool set |
| 12/05/2007 | CN101082648A Method and apparatus for testing flying vehicle electric systemic |
| 12/05/2007 | CN101082645A High speed large-capacity multifunctional electronics multiple channels counting storage means |
| 12/05/2007 | CN101082641A Signal line tester of flight control system for testing airplane THS motor |
| 12/05/2007 | CN101082640A Measurement of the current of a frequency converter |
| 12/05/2007 | CN100353168C Sense amplifier with configurable voltage swing control |
| 11/29/2007 | US20070273409 Offset independent sense circuit and method |
| 11/29/2007 | DE102006046966A1 Measuring device for measuring the power of a high frequency signal comprises a dither injection unit arranged between a detector and an analogue/digital converter for injecting a dither signal |
| 11/29/2007 | DE102006038031A1 Measuring device for measuring the power of a high frequency signal comprises a dither injection unit arranged between a detector and an analogue/digital converter for injecting a dither signal |
| 11/29/2007 | DE102006025031A1 Prüfschaltungsanordnung und Prüfverfahren zum Prüfen einer Schaltungsstrecke einer Schaltung Test circuit and test methods for testing a circuit path of a circuit |
| 11/29/2007 | DE102006025028A1 Switching arrangement for monitoring a current comprises a diode switch connected to a diode or a transistor switch with diode configuration between a reference chain and a switch connection so that the reference current is not switched off |
| 11/29/2007 | DE102006024699A1 High frequency signal envelope capacity and capacity mean value measuring device, has differential amplifier with negative feedback paths which extend from outputs to inputs, and one of detector units provided in paths |
| 11/29/2007 | DE102004041901B4 Spannungsdetektor für eine Batterieanordnung Voltage detector for battery assembly |
| 11/28/2007 | EP1860449A2 Power storage device and method of measuring voltage of storage battery |
| 11/28/2007 | EP1859290A1 Method, system and apparatus for diagnostic testing of an electrochemical cell stack |
| 11/28/2007 | CN200983568Y USB communication device of excitation controller based on DSP chip |
| 11/28/2007 | CN200983193Y Control power grounding/under-voltage alarm set |
| 11/28/2007 | CN200982994Y Controllable silicon triggered current detection alarming circuit |