| Patents for G01R 19 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof (29,850) |
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| 01/30/2008 | CN101113999A Three-wire serial-in type interface method of navigation mark telemetering measurement terminal |
| 01/30/2008 | CN101113994A Pulse wave electric voltage frequency testing system |
| 01/30/2008 | CN101113992A Fan testing circuit |
| 01/30/2008 | CN100365616C Signal processing device |
| 01/30/2008 | CN100365424C Current density distribution measuring shim inside fuel cells |
| 01/30/2008 | CN100365419C Non-contact measuring system for direct current |
| 01/29/2008 | US7324902 Method and apparatus for generalized recursive least-squares process for battery state of charge and state of health |
| 01/29/2008 | US7324006 Remote display ammeter for power plug or power strip |
| 01/29/2008 | US7323882 System to place receptacles and distribution blocks |
| 01/29/2008 | US7323858 Method for measuring pressure |
| 01/24/2008 | WO2008011517A1 Voltage sensing hand tool and voltage sensing module for attachment to hand tools |
| 01/24/2008 | WO2008009906A1 Electric potential sensor |
| 01/24/2008 | US20080018324 Voltage-impressed current measuring apparatus and current buffers with switches used therefor |
| 01/24/2008 | DE19838657B4 Schaltungsanordnung zum Erfassen des Laststromes eines Leistungs-Feldeffekt-Halbleiterbauelementes Circuit arrangement for detecting the load current of a power field effect semiconductor component |
| 01/24/2008 | DE10349462B4 Schaltungsanordnung zum Überprüfen eines Potentiometers Circuit arrangement for checking a potentiometer |
| 01/24/2008 | DE102007027727A1 Device for detecting fault current in electrical circuits in machines, has electromagnetic filter, which is connected with measuring device for detecting fault current |
| 01/23/2008 | EP1880224A2 A peak or zero current comparator |
| 01/23/2008 | EP0801745B1 Measuring method for determining the amplitude and phase of the fundamental tone of an alternating voltage |
| 01/23/2008 | CN201011686Y Auto-power-off standby power-saving device |
| 01/23/2008 | CN201011504Y Current sensor |
| 01/23/2008 | CN101111773A Method and circuit arrangement for verifying electric contacts between a first output pin of a first power circuit breaker of a power circuit breaker device and an external node and a second output pi |
| 01/23/2008 | CN101109775A Programmable voltage monitoring circuit |
| 01/23/2008 | CN101109774A Three-phase multiple loop monitoring device and implementing method thereof |
| 01/23/2008 | CN101109773A Ammeter without mutual inductor |
| 01/23/2008 | CN101109772A Testing circuit for crossover voltage and testing method thereof |
| 01/23/2008 | CN101109771A Analog signal separating and transferring system used for high voltage measuring |
| 01/23/2008 | CN100363745C Phase modulation based optical fiber voltage measurement device |
| 01/23/2008 | CN100363726C Method for monitoring and evaluating safe operation of cable and device thereof |
| 01/22/2008 | US7321835 Method for improving the mode of operation of a matrix converter |
| 01/22/2008 | US7321810 Method of dynamic economic dispatch |
| 01/22/2008 | US7321482 Sub-circuit voltage manipulation |
| 01/22/2008 | US7321226 Temperature compensated and self-calibrated current sensor using reference current |
| 01/17/2008 | WO2008006521A1 An ac current sensor for measuring electric ac current in a conductor and an indicator system comprising such a sensor |
| 01/17/2008 | US20080012571 Measuring Device And Measuring Procedure For Determining Battery Cell Voltages |
| 01/17/2008 | US20080012570 Monitoring battery cell voltage |
| 01/17/2008 | US20080012548 Measuring device of an hf plasma system |
| 01/17/2008 | DE102006032763A1 Vorrichtung und Verfahren zur Messung eines in einem elektrischen Leiter fließenden Stromes Apparatus and method for measuring a current flowing in an electric conductor current |
| 01/17/2008 | CA2658973A1 An ac current sensor for measuring electric ac current in a conductor and an indicator system comprising such a sensor |
| 01/17/2008 | CA2657154A1 High-speed signal testing system having oscilloscope functionality |
| 01/16/2008 | EP1877806A1 Supply voltage monitoring |
| 01/16/2008 | EP1412763B1 Method and arrangement for reducing power consumption of a line driver |
| 01/16/2008 | CN201007965Y High voltage checkout type ground knife brake |
| 01/16/2008 | CN201007836Y Intelligentized anti-fire electric leakage alarm control system |
| 01/16/2008 | CN201007735Y DC integrated monitor device |
| 01/16/2008 | CN201007729Y Electricity checking device |
| 01/16/2008 | CN201007728Y Array type giant magnetic impedance effect current sensor |
| 01/16/2008 | CN201007727Y Cathode carbon assembled quality detecting instrument |
| 01/16/2008 | CN101107499A Current detection circuit, light receiving device using the same, and electronic device |
| 01/16/2008 | CN101105518A Semiconductor device creepage detection method |
| 01/16/2008 | CN101105517A Gamma/ transformer triangle winding circumfluence algorithm method and device |
| 01/16/2008 | CN101105511A Switch tube voltage zero-crossing detection system and method |
| 01/16/2008 | CN100362750C Apparatus and method for alerting a user of increased battery power consumption in mobile terminal |
| 01/16/2008 | CN100362354C Cell on-position detecting method for terminal device |
| 01/16/2008 | CN100362353C Clock signal amplitude detecting method and circuit |
| 01/10/2008 | WO2008003898A2 Device for measuring parameters of an electrical power supply |
| 01/10/2008 | WO2008003896A2 Hydraulic energy recovery system |
| 01/10/2008 | WO2007133980A3 Input by-pass circuit for a current probe |
| 01/10/2008 | WO2007075617A3 Current sensor |
| 01/10/2008 | US20080007245 Method for the Detection of Objects Enclosed in a Medium, and Measuring Apparatus for Carrying Out Said Method |
| 01/10/2008 | DE102006031053A1 Anordnung zum Bestimmen der Betriebskenngrößen eines Hochfrequenz-Leistungsverstärkers Arrangement for determining the operating characteristics of a high frequency power amplifier |
| 01/10/2008 | DE102006031046A1 Anordnung zum Bestimmen der Betriebkenngrößen eines Hochfrequenz-Leistungsverstärkers Arrangement for determining the operating characteristics of a high frequency power amplifier |
| 01/10/2008 | DE102006029389A1 Verfahren zur Erweiterung der Diagnosefähigkeit von Stromreglern Method for extending the diagnostic capability of current regulators |
| 01/09/2008 | EP1876547A1 Method for functional control of at least one analogue switching block |
| 01/09/2008 | EP1875258A2 Test prepared integrated circuit with an internal power supply domain |
| 01/09/2008 | CN201004565Y An embeddable integrated power measurement and control instrument |
| 01/09/2008 | CN201004077Y Current recorder for oil extractor |
| 01/09/2008 | CN201004076Y Power grid voltage detection circuit |
| 01/09/2008 | CN201004074Y Multi-functional power theft prevention real time measurement and recording device |
| 01/09/2008 | CN100361377C Inrush current limiting circuit for pulse frequency modwlation to control charge pump |
| 01/09/2008 | CN100360945C Electric voltage observation circuit |
| 01/09/2008 | CN100360944C Voltage detecting circuit and voltage detecting system |
| 01/03/2008 | WO2008000539A1 Method for extending the diagnostic capability of current regulators |
| 01/03/2008 | WO2008000537A1 Battery sensor unit and method for producing the battery sensor unit |
| 01/03/2008 | WO2007091211A3 Circuit arrangement and method for detecting a power down situation of a voltage supply source |
| 01/03/2008 | US20080002481 Integrated Circuit, Method of Operating an Integrated Circuit, Method of Manufacturing an Integrated Circuit, Memory Module, Stackable Memory Module |
| 01/03/2008 | US20080001593 Voltage Monitor and Electrical Storage Device Using the Same |
| 01/03/2008 | DE202006013311U1 Anschlusseinheit eines Bussystems Connection unit of a bus system |
| 01/02/2008 | EP1873537A1 Qualification of a detector of disturbance peaks in the power supply of an integrated circuit |
| 01/02/2008 | CN201000479Y Vehicle circuit detector |
| 01/02/2008 | CN201000469Y Device for detecting voltage of industrial frequency dental film camera |
| 01/02/2008 | CN201000468Y Sensor for white ant monitoring control system |
| 01/02/2008 | CN201000467Y Microcomputer DC system insulation online monitoring device |
| 01/02/2008 | CN201000464Y Mutual inductor for measuring current |
| 01/02/2008 | CN201000463Y Novel ultra-low power consumption digital type power parameter measuring meter |
| 01/02/2008 | CN101099079A Current detection circuit, photoreceiver using the same, light emission control device, and electronic device using the same |
| 01/02/2008 | CN101097248A Enhanced-accuracy battery capacity prediction |
| 01/02/2008 | CN101097233A Current detecting circuit |
| 01/02/2008 | CN100359781C Charging apparatus and charging current detecting circuit thereof |
| 01/01/2008 | US7315169 Microprocessor controlled fault indicator having inrush restraint circuit |
| 12/27/2007 | WO2007147666A1 Circuit arrangement for recognizing an undervoltage of an energy source |
| 12/27/2007 | US20070296483 Method of Forming a Current Sense Circuit and Structure Therefor |
| 12/27/2007 | US20070296468 Electrical load drive device |
| 12/27/2007 | US20070296391 Current-monitoring apparatus |
| 12/27/2007 | DE102006060075A9 Eingangsspannungsmessschaltung Input voltage measurement circuit |
| 12/26/2007 | CN200997181Y High-frequency AC parameter inspecter |
| 12/26/2007 | CN200997179Y Thunder and lightning monitor recording network system |
| 12/26/2007 | CN200996991Y Switch power-supply tester |
| 12/26/2007 | CN200996990Y Battery tester |
| 12/26/2007 | CN200996976Y Abnormal-voltage alarming indicater in grounding system |
| 12/26/2007 | CN200996975Y High-voltage electric display locker |