Patents
Sitemap › G01 - Measuring; Testing › G01R - Measuring electric variables; Measuring magnetic variables › G01R 19 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof
Patents for G01R 19 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof (29,850)
11/2003
11/05/2003EP1358495A1 Power metering module
11/05/2003EP1358492A1 Method for the temperature-compensated, electro-optical measurement of an electrical voltage and device for carrying out the method
11/05/2003EP1358490A1 Method for evaluating a measuring signal and corresponding circuit arrangement
11/05/2003EP1092160B1 Residual current detection device
11/05/2003EP1012974B1 Low power current-to-frequency converter circuit for use in implantable sensors
11/04/2003US6643207 High-voltage detection circuit for a semiconductor memory
11/04/2003US6642738 Method and apparatus for field-effect transistor current sensing using the voltage drop across drain to source resistance that eliminates dependencies on temperature of the field-effect transistor and/or statistical distribution of the initial value of drain to source resistance
11/04/2003US6642703 Peak detector and detecting method thereof
11/04/2003US6642702 Detection circuit for maximum value of three phase signal and detection method of the same
11/04/2003US6642690 Method for measuring phase current for inverter control apparatus using single current sensor and apparatus therefor
10/2003
10/30/2003US20030204756 Push communications architecture for intelligent electronic devices
10/30/2003US20030204339 Method and apparatus employing a scaling factor for measuring and displaying an electrical parameter of an electrical system
10/30/2003US20030201763 Battery gauge
10/29/2003EP1357715A2 Bus driver for bidirectional two-wire bus systems
10/29/2003EP1355804A1 Circuit arrangement and method for measuring current in vehicle braking systems
10/29/2003CN1451973A Cell low potential warning device
10/29/2003CN1126183C Lateral Hall device
10/29/2003CN1125977C Prssure sensor, pressure sensor control device and pressure sensor system
10/28/2003US6639538 Real-time transient pulse monitoring system and method
10/28/2003US6639419 Supply voltage level detector
10/28/2003US6639408 Battery voltage measurement device
10/28/2003US6639395 Current sensor with input/output isolation
10/28/2003US6637079 Multi-layer female component for refastenable fastening device and method of making the same
10/23/2003WO2003030364A3 Control device
10/22/2003CN2582004Y High-temp superconductor strip crimping critical current measurer
10/22/2003CN2582003Y Warning electric net high-voltage load detecting sensing circuit
10/22/2003CN1450352A Clamp on dc amperemeter
10/22/2003CN1125349C Voltage indicator for indicating that voltage of battery passes given value
10/21/2003US6636893 Web bridged energy management system and method
10/21/2003US6636082 System and method for detecting a negative supply fault
10/21/2003US6636030 Revenue grade meter with high-speed transient detection
10/21/2003US6636029 Device and method for creating one or more magnetic field gradients through a straight conductor
10/16/2003WO2003054559A3 Wideband current sensor and method of sensing a current
10/16/2003WO2002084786A3 Ultrafast sampler with coaxial transition
10/16/2003US20030193353 System and method for detecting a negative supply fault
10/16/2003US20030193326 Test method for characterizing currents associated with powered components in an electronic system
10/16/2003US20030193325 Radio frequency oscillation detector
10/15/2003EP1352254A2 Device, ammeter and motor vehicle
10/15/2003EP1214603B1 Current measuring method with noise rejection
10/15/2003CN2580451Y Current patrol detector
10/15/2003CN2580450Y Power parameter complex detector
10/15/2003CN2580449Y Digital electric test pencil with back-note detection function
10/14/2003US6633156 Device for monitoring the flow of a substantially direct current in a load and method for the implementation of this device
10/09/2003WO2003039904A3 Method and circuit for detecting a fault of semiconductor circuit elements and use thereof in electronic regulators of braking force and of dynamics movement of vehicles
10/09/2003US20030189419 Multiplex voltage measurement apparatus
10/08/2003EP1351063A1 Temperature-compensated treshold circuit
10/08/2003EP1351062A2 Hand-held voltage detection probe
10/08/2003EP1351061A1 Fuel gauge power switch with current sense
10/08/2003EP1350329A1 Inductive coupling of a data signal to a power transmission cable
10/08/2003EP1350118A1 Voltage detection stick
10/08/2003CN2578839Y GIS quick instantaneous voltage measuring sensor
10/08/2003CN2578836Y Microwave scalar network analyzer
10/08/2003CN2578835Y AC mutual inductive load indicator
10/08/2003CN1447122A Remote system for monitoring thunderstorm electricity protective device
10/07/2003US6630844 Supply voltage detection circuit
10/07/2003CA2163181C Apparatus providing protection and metering in an ac electrical system utilizing a multi-function sampling technique
10/02/2003WO2003081573A2 Activity detector circuit
10/02/2003WO2003081263A1 Circuit arrangement and method for testing an electric circuit
10/02/2003US20030187596 Digital circuit for measuring the power of a signal
10/02/2003US20030185576 Enhanced accuracy
10/02/2003US20030184927 Adaptively controlled circuit
10/02/2003US20030184326 Semiconductor device equipped with current detection function
10/02/2003US20030184265 Embedded voltage level detector
10/02/2003US20030182806 Voltage sensing hand tool
10/02/2003DE10213876C1 HV measuring device has measuring voltage applied across opposing conductivity regions of doped layer positioned in electrical field
10/02/2003CA2447825A1 Activity detector circuit
10/01/2003EP1348968A1 Digital circuit for signal power measuring
10/01/2003EP1348133A2 Electrical quantity sensor
10/01/2003EP0861514B1 Jamming detection device for electrical drives
10/01/2003CN1445554A Hand voltage measuring detector
09/2003
09/30/2003US6629048 Measurement test instrument and associated voltage management system for accessory device
09/30/2003US6628125 Method and apparatus for detecting slow and small changes of electrical signals including the sign of the changes, and circuit arrangement for the exact detection of the peak value of an alternating voltage
09/30/2003US6628113 Surge current measurement
09/25/2003WO2003052433A3 Circuit arrangement for measurement or detection of current
09/25/2003US20030179063 Current transformer for a compensating current sensor
09/25/2003US20030179017 Measuring power supply stability
09/25/2003US20030178981 Hand-held voltage detection probe
09/24/2003EP1347567A1 Procedure for measuring the current in each phase of a three phase device via single current sensor
09/24/2003EP1347566A1 Procedure for measuring the current in each phase of a three-phase device via a single current sensor
09/24/2003EP1346231A1 Method and appliances for analog processing of a signal emitted by a particle detector
09/24/2003CN1444320A Storage battery protecting device
09/24/2003CN1122234C High speed synchronous data acquiring and digital signal processing board
09/23/2003US6624676 Asymmetry detection circuit and detection method of same
09/23/2003US6624644 Electro-optic probe and magneto-optic probe
09/23/2003US6624624 Electrical current sensor
09/23/2003CA2168159C Electrical apparatus with wide dynamic range for monitoring and protecting electric power systems
09/18/2003US20030176984 Signal measurement
09/18/2003US20030173999 Activity detector circuit
09/18/2003US20030173946 Procedure for measuring the current in each phase of a three-phase device via single current sensor
09/17/2003EP1345312A2 Inverter device for ac motor control
09/17/2003EP1344089A1 Current/voltage converter for measuring low currents adapted to operate under high x- or gamma radiation
09/17/2003EP1344070A2 Method and device for monitoring the function of an output stage with pulse width modulation
09/17/2003CN2574255Y Power socket with leakage and over current identifying alarm functions
09/17/2003CN2574062Y Current signal conditioning circuit
09/17/2003CN1442700A Testing device and method of nano second pulse large current
09/17/2003CN1442697A Device for anti stealing electricity
09/17/2003CN1442696A Battery current measuring system of electric motor car
09/16/2003US6621273 Voltage measurement apparatus
09/16/2003US6621259 Current sense amplifier and method
09/16/2003CA2162350C Circuit breaker using bimetal of thermal-magnetic trip to sense current
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