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