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