| Patents for G01R 19 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof (29,850) |
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| 02/25/2010 | US20100045259 Method for measuring a current, in particular by means of a grounding apparatus |
| 02/25/2010 | DE202009016517U1 Solar-Aufladegerät Solar charger |
| 02/25/2010 | DE102009036107A1 Hochstromsensor High Current Sensor |
| 02/24/2010 | EP2156557A1 Variable power and response time brown-out-reset circuit |
| 02/24/2010 | EP2156203A1 Method and device to predict a state of a power system in the time domain |
| 02/24/2010 | EP2156200A1 Increased reliability in the processing of digital signals |
| 02/24/2010 | CN201414086Y WSN sensor node device of solar photovoltaic module |
| 02/24/2010 | CN201413982Y Protective device of main distribution frame |
| 02/24/2010 | CN201413981Y Protective device of power supply equipment in communication base station |
| 02/24/2010 | CN201413569Y Wireless power transmitter |
| 02/24/2010 | CN201413561Y Electricity-nearing early warner |
| 02/24/2010 | CN201413387Y Electric automobile lithium iron phosphate power battery detection device |
| 02/24/2010 | CN201413371Y On-line monitor and fault diagnosis system of transformer |
| 02/24/2010 | CN201413357Y Alternating current signal parameter testing device |
| 02/24/2010 | CN201413356Y Back electromotive force zero-crossing detector of brushless DC motor |
| 02/24/2010 | CN201413355Y Passive type direct lightning accounting device |
| 02/24/2010 | CN201413354Y Manual operator power supply low-voltage alarm circuit |
| 02/24/2010 | CN201413353Y Data acquisition tester for miniature photovoltaic system |
| 02/24/2010 | CN201413201Y Temperature and current measuring unit for high-voltage line |
| 02/24/2010 | CN201409398Y Novel electric mosquito swatter |
| 02/24/2010 | CN101657730A Integrated circuit having a multi-purpose node configured to receive a threshold voltage and to provide a fault signal |
| 02/24/2010 | CN101655520A Method for extracting lightning strike signals and transient harmonic signals in power system |
| 02/24/2010 | CN101655519A Data processing method for alternating current sampling of digital transformer station measurement and control device |
| 02/24/2010 | CN101655518A High voltage capacitive-type equipment leakage current-resistance sampling sensor and installation method thereof |
| 02/24/2010 | CN101655517A Voltage test circuit and voltage test method |
| 02/24/2010 | CN101655516A Main-circuit input current detection device |
| 02/24/2010 | CN100592031C Method and apparatus for real time clock (RTC) brownout detection |
| 02/23/2010 | US7667451 Method for determining size of optical disc inserted into optical disc drive |
| 02/23/2010 | US7667450 Electrostatic discharge device testing system and method |
| 02/18/2010 | WO2010018919A1 Device and method for estimating battery resistance characteristics using battery voltage behaviour |
| 02/18/2010 | WO2010018057A1 Fault-current detection device |
| 02/18/2010 | WO2010017702A1 A method, means and device of detecting ic load onliine power consumption |
| 02/18/2010 | WO2009154746A3 Diagnosing battery voltage mis-reporting |
| 02/18/2010 | US20100042344 System and method for detecting an electrical short across a static switch of an uninterruptible power supply |
| 02/18/2010 | US20100040120 Low power radio communication system |
| 02/18/2010 | US20100039118 Current Measurement Circuit and Method of Diagnosing Faults in Same |
| 02/18/2010 | US20100039100 Nonlinear Degree Measuring Apparatus And Method For A Power Amplifier, Predistortion Compensation Apparatus |
| 02/18/2010 | US20100039099 Power noise detecting device and power noise control device using the same |
| 02/18/2010 | US20100039097 Methods and apparatus for voltage sensing and reporting |
| 02/18/2010 | US20100039096 Transmissivity monitoring of an energy transmission element |
| 02/18/2010 | US20100039095 Method of measuring flash memory cell current |
| 02/18/2010 | DE202009008661U1 Anzeigen von Fehlerströmen in TT-Netzen View of fault currents in TT systems |
| 02/18/2010 | DE102009034233A1 Sensorsystem und Verfahren Sensor system and method |
| 02/18/2010 | DE102009011665A1 Anordnung zur Messung von Stromertrags- und/oder Verbrauchsgrößen in einem Niederspannungsnetz Arrangement for measuring Stromertrags- and / or consumption variables in a low-voltage network |
| 02/18/2010 | DE102008038640A1 Verfahren zur Steuerung und/oder Überwachung von Funktionen Method for controlling and / or monitoring functions |
| 02/18/2010 | DE102008035074A1 Verfahren zum Messen der Stromstärke eines Wechselstromes A method for measuring the current of an alternating current |
| 02/18/2010 | DE102008029476A1 Berührungslos arbeitende Strommessanordnung zur Messung eines Batteriestromes Non-contact current-measuring device for measuring a battery current |
| 02/17/2010 | CN201409016Y Distribution transformer monitoring terminal device |
| 02/17/2010 | CN201408984Y Power protection circuit, power unit and television |
| 02/17/2010 | CN201408978Y Electric leakage protector |
| 02/17/2010 | CN201408237Y Electric energy quality monitoring analyzing device |
| 02/17/2010 | CN201408223Y Discontinuous special filming test system |
| 02/17/2010 | CN201408222Y Online monitor of lightning arrester |
| 02/17/2010 | CN201408221Y Lighting current multistage counter |
| 02/17/2010 | CN201408220Y Quickly-measuring electroprobe |
| 02/17/2010 | CN201405293Y Multifunctional screwdriver |
| 02/17/2010 | CN101650387A Envelope detector for high speed applications |
| 02/17/2010 | CN101650386A Method and system for judging zero shift of short circuit current of extra-high voltage alternating-current system |
| 02/17/2010 | CN101650385A Method for modifying sampling frequency with electrical network instrument |
| 02/17/2010 | CN101650384A Method for testing voltage of CPU load lines based on two-way server system |
| 02/17/2010 | CN101650383A Heavy current sensor |
| 02/17/2010 | CN101650382A Detection circuit for detecting ground potential crossover and power potential crossover |
| 02/17/2010 | CN101650381A Power conversion unit and current detection device thereof |
| 02/11/2010 | US20100033165 Measuring induced currents on a can bus |
| 02/11/2010 | US20100033164 Transient noise detection circuit |
| 02/11/2010 | US20100033163 Device for sensing a fault current in a field bus system |
| 02/11/2010 | US20100033162 Low-power direct current detector |
| 02/11/2010 | US20100033161 Voltage detecting circuit and voltage detecting method |
| 02/11/2010 | US20100033160 Measurements of Redox Potential and Concentration of Redox Active Substances |
| 02/11/2010 | DE202009010318U1 Zustandsüberwachungsschaltung für gasisolierte Hochspannungsanlagen Condition monitoring circuit for gas-insulated high-voltage equipment |
| 02/11/2010 | DE102008041080A1 Verfahren und Vorrichtung zum Ermitteln eines Betriebszustandes einer elektrischen Maschine Method and apparatus for determining an operating state of an electrical machine |
| 02/11/2010 | DE102008036582A1 Kompensationsstromumwandler Kompensationsstromumwandler |
| 02/11/2010 | DE102008035551A1 Method for current measurement, involves determining magnetic force as result of magnetic field on metal body, where magnetic field is generated by current, which is to be measured |
| 02/10/2010 | CN201402973Y Protective device for power supply lines |
| 02/10/2010 | CN201402962Y Electric fire detection control integrated system |
| 02/10/2010 | CN201402937Y Intelligent centrally-mounted metal armor withdrawing voltage sensing device |
| 02/10/2010 | CN201402297Y Portable electric surging protector test instrument |
| 02/10/2010 | CN201402293Y Distributed wireless insulation live testing system for high-voltage equipment |
| 02/10/2010 | CN201402290Y Device and lift for long-distance transmitting electrical parameters of equipment |
| 02/10/2010 | CN201402289Y Electricity quality on-line monitoring device |
| 02/10/2010 | CN201402288Y Anti-static wrist strap monitor |
| 02/10/2010 | CN201402287Y Voltage drop detecting device of secondary circuit of voltage transformer |
| 02/10/2010 | CN201402286Y Voltage drop detecting device of secondary circuit of voltage transformer |
| 02/10/2010 | CN201402285Y Double-layered bell jar type voltage current sensor |
| 02/10/2010 | CN201402284Y DC low current signal measuring device |
| 02/10/2010 | CN201402281Y Wattmeter with various input and output wire sleeve arrangements and matched display device |
| 02/10/2010 | CN101646951A Method for detecting an electric potential difference on a piezoelectric actuator unit and circuit arrangement for carrying out said method |
| 02/10/2010 | CN101644728A In-situ micro unit heavy-current measuring device installed in scanning probe microscopy and electrical testing method |
| 02/10/2010 | CN101644727A High-voltage detector |
| 02/09/2010 | US7660683 Waveform detection, in particular for the representation of the root mean square of a waveform |
| 02/09/2010 | US7659726 Image forming apparatus with plural AC sources |
| 02/09/2010 | US7659709 Electric current sensor having housing with rails to insert support board |
| 02/09/2010 | US7659707 RF detector with crest factor measurement |
| 02/09/2010 | CA2366531C Apparatus and method for electrical measurements on conductors |
| 02/04/2010 | WO2010014443A1 High signal level compliant input/output circuits |
| 02/04/2010 | US20100030500 Regulation of Power Consumption for Application-Specific Integrated Circuits |
| 02/04/2010 | DE202009015109U1 Multimeter mit einem Filtermessmodus Multimeter with a filter Metering Mode |
| 02/04/2010 | DE102009023607A1 Elektrisches Verteilergehäuse mit Stromsensor Electrical junction box with current sensor |
| 02/04/2010 | DE102008033957A1 High current sensor for use in converter for e.g. battery monitoring, for hybrid drive in motor vehicle, has magnetic field sensors whose plane is azimuthally rotated at opposite common plane between conductor and p-type conductor |
| 02/04/2010 | DE102008031906A1 Control device e.g. actuator, operating method, involves measuring current using current measuring resistor, and determining actual current based on measured current, detected supply voltage and pulse/pause ratio of pulse width modulation |