Patents
Patents for G01R 15 - Details of measuring arrangements of the types provided for in groups ,  or (13,411)
07/2005
07/07/2005DE10355861A1 Einheit zum sicheren Messen oder Erkennen eines elektrischen Stroms einer sicherungstechnischen Einrichtung Unit for safe measuring or recognizing an electric current of a device underwriting
07/06/2005EP1358492B1 Method for the temperature-compensated, electro-optical measurement of an electrical voltage and device for carrying out the method
07/06/2005EP1264191B1 Device and method for monitoring a capacitor bushing
07/06/2005CN2708328Y Sample circuit for fault tester of high-voltage transmission line
07/05/2005US6914422 Current monitoring/control circuit
06/2005
06/30/2005WO2005059573A1 Current measuring equipment and power supply comprising it
06/30/2005US20050140355 Eddy-current sensor for nondestructive testing
06/30/2005US20050140352 Method for detecting saturation in a current transformer
06/29/2005EP1547270A1 Aircraft multi-function wire and insulation tester
06/29/2005EP1547117A2 Transducer package for process control
06/29/2005EP1546741A1 Integrated current sensor
06/29/2005EP1173774B1 Current sensor working in accordance with the compensation principle
06/29/2005CN2706844Y Isolator leak current detecting mutual inductor
06/29/2005CN1633601A 电流测量装置 Current measuring means
06/28/2005US6911886 Flux coil system
06/28/2005US6911831 Method for automatically changing current ranges
06/23/2005US20050135028 Gas insulating apparatus and method for locating fault point thereof
06/23/2005US20050134253 Current sensor
06/22/2005EP1133701B1 Method for diagnosing insulation degradation in underground cable
06/21/2005US6909272 System and method for voltage divider having a guard structure
06/16/2005US20050127895 Current sensor wire clamp
06/16/2005US20050127785 Method and apparatus for measurement using piezoelectric sensor
06/15/2005EP1542025A1 Magnetic bridge type current sensor, magnetic bridge type current detecting method, and magnetic bridge for use in that sensor and detecting method
06/15/2005EP0978169B1 An arrangement in a subscriber line interface circuit
06/15/2005CN2704850Y Multi-purpose electric power meter with wireless remote control measurement
06/15/2005CN1206539C Measuring system for measuring power line characteristics
06/09/2005WO2005052605A1 A detector circuit to be used for measuring current
06/09/2005US20050122122 Voltage sensor and dielectric material
06/09/2005US20050122092 Process and device for compensating the low frequency magnetic field in an inductive signal coupling unit
06/09/2005US20050122077 Cost-effective measurement of large machine currents
06/08/2005CN2704047Y Voltage sampling device
06/02/2005WO2005050828A2 Inductor-based current sensing
06/02/2005US20050116699 Inductor-based current sensing
06/02/2005DE202005004345U1 Medium or high voltage feed through panel has separately mounted current transducer core for each phase with separately mounted current transducer coil
06/02/2005DE10350665A1 Inductive current measurement circuit for switched mode power supplies uses negative impedance differential input operational amplifier in shunt inductance resistor circuit
06/01/2005EP1535819A1 Device for secure measurements and detection of an electric current for a safety device
06/01/2005CN1621850A Method for designing optical fiber type current transformer
06/01/2005CN1204574C Transformer for gas insulated electrical appts.
06/01/2005CN1204439C Light-applied measuring device, mfg. method, and light-applied current measuring device thereof
05/2005
05/26/2005US20050114047 Measurement interface optimized for both differential and single-ended inputs
05/26/2005US20050110480 System and method for acquiring voltages and measuring voltage into an electrical service using a non-active current transformer
05/25/2005EP1386347A4 Microelectromechanical system (mens) device
05/25/2005DE10349368A1 Dynamic response determination method e.g. for electrical component, involves producing with laser a periodic optical signal with given repetition frequency and electrical component addressed with electrical energizing signal
05/25/2005DE10334517A1 Messgerät für elektrische Energie für ein Wechselstromnetz Meter for measuring electrical power for an alternating current network
05/25/2005CN1619321A Automatic testing system for safety standard
05/24/2005US6897758 Method for reproducing direct currents and a direct current transformer for carrying out said method
05/19/2005US20050107965 Data collection device
05/19/2005US20050104576 Meter with concealed probe receiving deck
05/18/2005CN1616973A Light control electronic switch type automatic function selecting universal meter
05/17/2005US6895343 System and method for measuring essential power amplification functions
05/17/2005US6894541 Sense amplifier with feedback-controlled bitline access
05/12/2005WO2005015754A3 A flux coil system
05/12/2005DE202004017714U1 Electrical measurement instrument of the multimeter type, has push-on caps for one or both of its ends that serve to cover at least one functional part of the instrument
05/11/2005EP1529220A2 Method and circuit arrangement for current measurement
05/11/2005EP1444708B1 Plug-in unit assembly comprising instrument transformers
05/11/2005CN1201154C Fiber optics apparatus and method for accurate current sensing
05/11/2005CN1201153C Low error, switchable measurement lead detect circuit
05/10/2005US6891622 Current sensor
05/10/2005US6891431 Integrated semiconductor circuit configuration
05/06/2005WO2005040837A1 Magnetic bridge electric power sensor
05/05/2005US20050094344 Method of compensating for distorted secondary current of current transformer
05/05/2005US20050093553 Current over-flow detector for motor driving circuit
05/04/2005DE19531827B4 Meßsystem für elektrische Störungen in einer Hochspannungsschaltanlage A measuring system for electrical faults in a high-voltage switchgear
04/2005
04/28/2005WO2005038471A1 Current monitoring/control circuit
04/28/2005US20050090995 Distributed asset optimization (DAO) system and method
04/28/2005US20050088662 Temperature-stabilized sensor coil and current sensor
04/26/2005US6885184 Galvanically isolated voltage sensing circuit
04/26/2005US6885183 Current probe
04/26/2005US6885182 Temperature-compensated electro-optical voltage sensor
04/21/2005US20050083155 Compact low cost current sensor and current transformer core for circuit breakers having improved dynamic range
04/21/2005US20050083033 Current measuring device
04/20/2005CN2694450Y Pressure reduction compensating unit of voltage transformer secondary circuit
04/20/2005CN1607393A Electromagnetic field sensing element and its apparatus
04/19/2005US6882158 Series arc fault diagnostic for aircraft wiring
04/14/2005WO2005033719A1 Telemetrically interrogatable passive potential sensor
04/14/2005WO2005033718A1 Integrated anti-differential current sensing system
04/14/2005WO2005033717A1 Magnetic flux concentrator current sensing topology
04/14/2005WO2005033716A1 System and method for current sensing using anti-differential, error correcting current sensing
04/14/2005US20050077910 Voltage sensing device and associated method
04/14/2005US20050077890 Multiplexed dual-purpose magnetoresistive sensor and method of measuring current and temperature
04/14/2005US20050077888 Precision thin film AC voltage divider
04/13/2005CN2692678Y Improved structure of pointer type multifunction watt-hour meter
04/12/2005US6879747 Galvanometer mirror and optical switching device using the same
04/12/2005US6879479 Current detector for surge arrester diagnostic and overvoltage assessment in high voltage substations
04/12/2005US6879232 Wide ratio autotransformer-type current ranging
04/12/2005US6879163 Device for the automatic control of joints in electrical high voltage lines
04/12/2005CA2233880C Verdet constant temperature-compensated current sensor
04/07/2005WO2005031374A1 Method and device for measuring voltage
04/07/2005WO2005031299A2 Sensor platform using a non-horizontally oriented nanotube element
04/07/2005US20050075814 Low power data storage element with enhanced noise margin
04/07/2005US20050073295 Magnetic flux concentrator current sensing topology
04/07/2005US20050073294 Current monitoring/control circuit
04/07/2005US20050073293 Integrated anti-differential current sensing system
04/07/2005US20050073292 System and method for current sensing using anti-differential, error correcting current sensing
04/07/2005DE10334886B3 Signal evaluation circuit for AC or DC signals for environmental measurement applications using operational amplifiers for precision rectification of AC signals
04/07/2005CA2526946A1 Sensor platform using a non-horizontally oriented nanotube element
04/06/2005EP1360510B1 Semiconductor assembly for measuring current intensity
04/05/2005US6876528 Two winding resonating arc fault sensor which boosts arc fault signals while rejecting arc mimicking noise
04/05/2005US6876291 Electrical resistor for measuring preferably high-frequency alternating currents
04/05/2005US6876203 Parallel insulation fault detection system
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