Patents for G01R 19 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof (29,850) |
---|
08/06/2008 | CN101237100A Socket with power measuring terminal |
08/06/2008 | CN101237099A Plug with power measuring terminal |
08/06/2008 | CN101236439A Apparatus and method for self calibration of current feedback |
08/06/2008 | CN101236235A Accumulator battery set single battery voltage sampling apparatus and method |
08/06/2008 | CN101236219A Metallic surface passivating film carrier density detection method |
08/06/2008 | CN101236218A AC/DC converter power switch tube drain voltage detection circuit |
08/06/2008 | CN101236217A Flat-plate type broad frequency sensor for power transmission engineering |
08/06/2008 | CN101236216A Electrical power system metric data time difference compensation state estimation method |
08/06/2008 | CN100409369C Voltage detection circuit control equipment and its memory control equipment and storage card |
08/05/2008 | US7408356 Method of determining a zero point of a current sensor |
07/31/2008 | WO2008090022A1 Circuit arrangement and method for detecting electrical quantities |
07/31/2008 | WO2008039849A3 Self-balancing frequency determining bridge |
07/31/2008 | US20080183428 Correlating Power Signatures with Automated Equipment |
07/31/2008 | US20080183404 Monitoring heater condition to predict or detect failure of a heating element |
07/31/2008 | US20080182266 Trp8, a transient receptor potential channel expressed in taste receptor cells |
07/31/2008 | US20080180096 Apparatus for measuring an electric current flowing through an electrical conductor |
07/31/2008 | US20080178657 Soot detecting apparatus and soot detecting method |
07/31/2008 | DE102007004534A1 Fixiereinrichtung für einen Stromsensor Fixing for a current sensor |
07/31/2008 | DE102007003830A1 Vorrichtung zur Messung eines durch einen elektrischen Leiter fließenden elektrischen Stroms A device for measuring a current flowing through an electrical conductor of electric current |
07/31/2008 | DE102005055272B4 Verfahren und Vorrichtung zur Ermittlung von Leckströmen in batteriegespeisten Netzen Method and apparatus for determination of leakage current in battery powered systems |
07/31/2008 | DE10043171B4 Stromdetektor und elektronischer Anschlusskasten unter Verwendung desselben The same current detector and electronic junction box using |
07/30/2008 | EP1950882A2 Method and device for operating a rotating current machine controllable through pulse width modulation with multiple phase coils |
07/30/2008 | EP1950574A2 Device for measuring a current flowing through an electric conductor |
07/30/2008 | EP1949114A2 Method for measuring a motor current |
07/30/2008 | EP1711838A4 A group wiring patching system and method for wire pair identification |
07/30/2008 | EP1617974B1 Combination hand tool and electrical testing device |
07/30/2008 | CN201093996Y Coulomb thickness measuring equipment |
07/30/2008 | CN101232190A Multifunctional power supply adapter |
07/30/2008 | CN101231327A Apparatus and method for measuring battery allowance |
07/30/2008 | CN101231312A Apparatus and method for improving the accuracy of instrument transformers |
07/30/2008 | CN101231311A Wide band high pressure intelligent resistance type current sensor |
07/30/2008 | CN101231310A Voltage measurement instrument and method having improved automatic mode operation |
07/30/2008 | CN101231309A Method for judging gallium nitride radical luminescence diode non-radiative recombination center concentration |
07/30/2008 | CN101231305A Fixing device for a current sensor |
07/30/2008 | CN101228860A Sensor for monitoring and controlling termite system |
07/29/2008 | US7406018 Signal generating circuit and optical pickup device provided therewith |
07/29/2008 | US7405570 Connector for a measurement element in a battery sensor |
07/29/2008 | CA2491236C Switchgear module and configurations, and method of fabrication and assembly thereof |
07/24/2008 | WO2008087275A2 Electrically insulated current measuring device, electronic trigger, and circuit breaker comprising such a device |
07/24/2008 | WO2007143657A3 Voltage disturbance and harmonics monitor |
07/24/2008 | WO2004111662A8 Integrated circuit device for monitoring power supply |
07/24/2008 | US20080174297 Circuit and method of testing a fail in a memory device |
07/24/2008 | US20080174260 Method and related device for estimating two currents flowing simultaneously through respective windings of a poly-phase electrical load driven in svm mode |
07/24/2008 | DE102007003306A1 Monitoring device for powerline, has two line sections, where both line sections are switched into series, and measuring instrument is so formed that current flows through former line section |
07/24/2008 | DE102007003145A1 Schaltungsanordnung und Verfahren zum Erfassen elektrischer Größen Circuit arrangement and method for detecting electrical quantities |
07/23/2008 | EP1947465A2 Device and method for measuring the power consumed by a power train of a railway vehicle |
07/23/2008 | EP1397694B1 Method for monitoring a power supply of a control unit in a motor vehicle |
07/23/2008 | EP1355804B1 Circuit arrangement and method for measuring current in vehicle braking systems |
07/23/2008 | CN201091012Y Transformer and electric force line antitheft alarming system |
07/23/2008 | CN201090984Y Electronic test pencil with five purposes |
07/23/2008 | CN201089129Y Multifunctional screwdriver |
07/23/2008 | CN101227183A Schmidt trigger circuit |
07/23/2008 | CN101227168A Apparatus and method for detecting input current of inverter |
07/23/2008 | CN101226670A Shorted fault and alarming method for beyond-retrieve-type cable-type line-type heat fire detector |
07/23/2008 | CN101226219A Voltage detection circuit in an integrated circuit and method of generating a trigger flag signal |
07/23/2008 | CN101226213A Method and apparatus for detecting electric machine phase current |
07/23/2008 | CN101226212A Voltage testing circuit |
07/23/2008 | CN101226211A Current sensor |
07/23/2008 | CN101226210A Reflection type polarization irrespective miniaturization photo-electricity mutual-inductor |
07/22/2008 | US7403026 Electronic switching circuit, switching circuit test arrangement and method for determining the operativeness of an electronic switching circuit |
07/22/2008 | US7402992 Circuit component tester |
07/17/2008 | WO2008085934A2 System and method to measure series-connected cell voltages and verify measurement accuracy |
07/17/2008 | WO2008084593A1 Voltage detector for storage element |
07/17/2008 | WO2008083610A1 A current measuring device and a calibration method for the same |
07/17/2008 | US20080169843 Method and Apparatus for Implementing Efuse Sense Amplifier Testing Without Blowing the Efuse |
07/17/2008 | US20080169818 Systems and methods for monitoring and storing performance and maintenance data related to an electrical component |
07/17/2008 | US20080169802 Method and circuit for detecting input voltage of power converter |
07/17/2008 | CA2675015A1 System and method to measure series-connected cell voltages and verify measurement accuracy |
07/16/2008 | EP1944674A1 Control assembly for producing a temperature compensated reference value for voltage or electric current |
07/16/2008 | EP1943725A1 Measuring a current supplied by a rotating electric machine such as an alternator |
07/16/2008 | EP1943544A1 Sensor and system for sensing an electron beam |
07/16/2008 | EP1747449A4 One-point recalibration method for reducing error in concentration measurements for an electrolytic solution |
07/16/2008 | EP1177453B8 Apparatus and method for electrical measurements on conductors |
07/16/2008 | CN201087845Y Wafer type electricity sensing component structure |
07/16/2008 | CN201087844Y Forming device for wafer type electricity sensing component |
07/16/2008 | CN201087843Y Lightning stream testing apparatus |
07/16/2008 | CN101222208A Protection and automatic restoring system |
07/16/2008 | CN101221225A Calibration method and device for battery voltage sampling |
07/16/2008 | CN101221223A Single slice battery essential resistance and voltage on-line testing system for fuel cell pile |
07/16/2008 | CN101221218A Measurement of analog coil voltage and coil current |
07/16/2008 | CN101221198A Method and device for acquiring streaming potential of nano-filtration |
07/16/2008 | CN101221197A Current sensing in a power converter |
07/16/2008 | CN101221196A Voltage-current sensor |
07/16/2008 | CN100403616C Phase defect testing method for three phase power supply |
07/16/2008 | CN100403044C A circuit structure capable of automatic adjusting and measuring hysteresis window of hysteresis comparator |
07/16/2008 | CN100403037C Method and device for measuring AC electricity |
07/16/2008 | CN100403035C Circuit arrengement and method for monitoring circuit |
07/16/2008 | CN100403034C Low power consumption and low temperature drift voltage detection circuit independent from technique |
07/15/2008 | CA2410266C Electrical load disconnection detecting apparatus |
07/15/2008 | CA2189819C Device for monitoring voltage and amperage in an aqueous electrocoating bath |
07/10/2008 | WO2008081713A1 Signal quality measuring device, spectrum measuring circuit, and program |
07/10/2008 | WO2006052992A3 High speed and low power scram macro architecture and method |
07/10/2008 | US20080164913 Peak-hold circuit and signal strength indicator using the peak-hold circuit |
07/10/2008 | DE202007002974U1 Signaleinrichtung für elektrische Überwachungsgeräte Signaling device for electrical monitoring devices |
07/10/2008 | DE102007001413A1 Vorrichtung Device |
07/09/2008 | EP1942518A2 Base line restoration circuit |
07/09/2008 | EP1942477A1 Current monitor |
07/09/2008 | EP1941596A1 Power up circuit with low power sleep mode operation |
07/09/2008 | EP1941285A1 Method for generating a data record, and field device and system for detecting the quality of electrical power from a power supply system |
07/09/2008 | EP1718983B1 Detection method for an electrical polyphase machine |