Patents for G01R 15 - Details of measuring arrangements of the types provided for in groups , or (13,411) |
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12/19/2007 | CN200993658Y Contactless transformer-free electronic voltage measuring device |
12/19/2007 | CN101090037A Manufacturing method for feed-through bar isolator of electricity meter mutual inductor |
12/18/2007 | US7310583 System and method of measurement and processing of electrical variables |
12/18/2007 | US7310049 Status indicator |
12/13/2007 | WO2007142732A1 Electrical system |
12/13/2007 | DE102006026148A1 Elektrisches/elektronisches Gerät Electrical / electronic device |
12/12/2007 | EP1865331A2 Electric/electronic device |
12/12/2007 | EP1865330A2 System for detecting errors in electric conductors |
12/12/2007 | EP1864142A1 Optical sensor arrangement for electrical switchgear |
12/12/2007 | EP1740960B1 Current measurement apparatus |
12/12/2007 | CN200989916Y Capacitance or resistance series hollow coil electronic voltage multual inductor |
12/12/2007 | CN200989915Y Digital universal meter with programmable multichannel inspection measurement function |
12/12/2007 | CN101086917A Compensation method of voltage mutual inductor and secondary loop voltage reduction error and compensation device |
12/11/2007 | US7307540 Systems, apparatus, and methods having a mechanical logic function in a microelectromechanical system sensor |
12/11/2007 | US7307412 Inductive measurement system and method |
12/06/2007 | WO2007091985A3 Current-measuring clamp on sensor in electromechanical relays |
12/05/2007 | EP1863158A2 Power Supply Device |
12/05/2007 | CN200986573Y High anti-interference AC/magnetic field sensor |
12/05/2007 | CN200986572Y Three-purpose meter for safety engineer detection |
12/05/2007 | CN200986563Y Electrical inspection knife device |
12/05/2007 | CN101082661A Current mutual inductor for intelligent electrical apparatus release and control method thereof |
11/29/2007 | US20070273359 Modularized servo control system |
11/29/2007 | US20070273358 Method for Reducing Temperature-Dependent Error in Photocurrent Sensor, and Photocurrent Sensor Device |
11/29/2007 | DE102004041901B4 Spannungsdetektor für eine Batterieanordnung Voltage detector for battery assembly |
11/29/2007 | DE10065965B4 Fertigungsverfahren für einen Stromsensor der Mikrosystemtechnik Manufacturing method for a current sensor microsystem technology |
11/29/2007 | CA2654411A1 User interface for monitoring a plurality of faulted circuit indicators |
11/28/2007 | EP1859286A1 Measuring device for contactlessly measuring a current |
11/28/2007 | CN200983315Y Spiral tube hollow coil current mutual inductor with compensation coil |
11/28/2007 | CN200983314Y PCB hollow coil current sensor |
11/28/2007 | CN101078740A Current transformer failure self-testing device |
11/28/2007 | CN100351961C Multicircuit type instrument and split type current transformer for use in measurement thereof |
11/28/2007 | CN100351634C Compensation method for voltage transformer secondary circuit pressure drop and compensation arrangement |
11/22/2007 | DE19847179B4 Schaltungsanordnung zum Erfassen einer galvanisch getrennten Spannung Circuitry for detecting an electrically isolated voltage |
11/21/2007 | EP1857824A1 Intensity modulation type photo-sensor and photo-current/voltage sensor |
11/21/2007 | EP1857823A2 Device for current measurement |
11/21/2007 | CN200979741Y A distributed real-time on-line monitoring device |
11/21/2007 | CN200979564Y A portable electric meter |
11/21/2007 | CN101076737A Non-linear magnetic field sensors and current sensors |
11/21/2007 | CN101076735A An electrical instrument platform for mounting on and removal from an energized high voltage power conductor |
11/21/2007 | CN101074983A Fiber magnetic optical probe device and its usage system |
11/21/2007 | CN100350255C Utilization of switching grounding end to make channel isolation |
11/20/2007 | US7298133 Magnetic flux concentrator anti-differential current sensor with flux concentrating recesses |
11/20/2007 | US7298131 Current sensors |
11/15/2007 | DE102006019895A1 Power measuring device for use as battery sensor for measuring e.g. battery power, of vehicle, has connecting unit for connecting contact unit with connector of board, where press fit is provided between connecting unit and hole |
11/15/2007 | DE102006002301B4 Schaltungsanordnung zur Messung elektrischer Ströme in elektrischen Leitern mit Lichtwellenleitern Circuitry for measuring electrical currents in electrical conductors with optical fibers |
11/14/2007 | EP1855119A1 Current sensor, in particular for railway equipment |
11/14/2007 | EP1855118A1 Current measuring instrument |
11/14/2007 | EP1252529B1 Partial discharge detection test link, partial discharge detection system and methods for detecting partial discharge on a power cable |
11/14/2007 | CN200976025Y Antimagnetic-type current sensor |
11/14/2007 | CN200976022Y Novel sine wave null point trigger circuit |
11/14/2007 | CN200976021Y Clamp for antenna directivity diagram test |
11/14/2007 | CN200976020Y Current divider |
11/14/2007 | CN200976014Y 背光型指针式万用表 Backlit Analog Multimeter |
11/14/2007 | CN101071143A Warp-around voltage-current measurement combining device |
11/14/2007 | CN101071142A Method for compensating secondary current amplitude and phase error for current transformer |
11/08/2007 | WO2007127617A2 Electrical measuring instrument having detachable current clamp |
11/08/2007 | WO2007104735A3 Device and method for measuring a first voltage and a second voltage by means of a differential voltmeter |
11/08/2007 | WO2007056140A3 Current transformer and electric energy meter |
11/08/2007 | US20070257662 Current probe |
11/08/2007 | US20070257661 Current probing system |
11/07/2007 | EP1851557A1 Current sensor with magnetic toroid |
11/07/2007 | EP1851556A1 Toroidal core current transformer comprising a phase compensation circuit |
11/07/2007 | CN200972490Y Remote controlled simulation universal meter |
11/07/2007 | CN101067984A Electronic mutual inductor with anti-stealing electricity function |
11/07/2007 | CN101067631A ZWF AC method current diverter standard device |
11/01/2007 | WO2007121592A1 Fiber-optic current sensor with polarimetric detection scheme |
11/01/2007 | WO2006059218A3 Integrated device for measuring an alternating current |
11/01/2007 | US20070253719 Wide dynamic range sensor signal processing method & circuitry for analog and digital information signals |
11/01/2007 | US20070252579 Electrical measuring instrument having detachable current clamp |
11/01/2007 | US20070252577 Current Sensor |
10/31/2007 | EP1849017A1 Assembly comprising an electric conductor for transmitting electric energy and method for determining the load of an electric conductor |
10/31/2007 | DE102006020094A1 Electrical device`s e.g. loud speaker, resistance value determining arrangement, has radio module with signal generator e.g. digital signal processor, for producing alternating voltage or alternating current signal |
10/31/2007 | DE102006019483A1 Organo-magneto-resistive sensor arrangement for e.g. position measurement, has electronic thin layer component, where arrangement is formed in such a manner that field generating device causes magneto-resistive change in layer component |
10/31/2007 | DE102006019482A1 Optical mark recognition hall-sensor arrangement for e.g. position measurement, has layers placed on substrate, where arrangement is designed such that field-producing device causes magneto-resistive change in layer component |
10/31/2007 | DE102006019467A1 Electrical network`s short-circuit detecting method for use in e.g. industry, involves determining actual values as intensity of current flowing in electrical network, and detecting short-circuit when threshold value exceeds threshold value |
10/31/2007 | CN200968971Y Improved structure for field intensity meter |
10/31/2007 | CN200968969Y Aircore coil current sensor with magnet core |
10/31/2007 | CN200968968Y Can-type capacitance type potential transformer |
10/31/2007 | CN200968865Y Digital multi-display measuring apparatus |
10/31/2007 | CN101065675A Isolating transformer |
10/31/2007 | CN101063694A Voltage measurement instrument |
10/31/2007 | CN101063692A Two-range potential difference meter with three measuring dish |
10/31/2007 | CN101063691A Three range DC potential difference meter |
10/31/2007 | CN101063690A Three range potential difference meter |
10/31/2007 | CN101063689A Potential difference meter with four measuring dish |
10/30/2007 | US7288929 Inductive clamp for applying signal to buried utilities |
10/30/2007 | US7288928 Solenoidal Hall effects current sensor |
10/25/2007 | US20070247166 Electric potential measuring device and image forming apparatus |
10/25/2007 | US20070247146 Integrated sensor |
10/25/2007 | DE202007012065U1 Kombinierter Strom- und Spannungssensor für Hochspannungsanlagen (1-380 kV) Combined current and voltage sensor for high voltage systems (1-380 kV) |
10/25/2007 | DE102004036352B4 Schaltkreis zur Strommessung und Stromüberwachung und deren Verwendung für eine Funktionseinheit Circuit for measuring the current and current monitoring and the use thereof for a functional unit |
10/24/2007 | EP1847836A2 Current detection device |
10/24/2007 | EP1846771A2 Sensor apparatus |
10/24/2007 | CN200966033Y Voltage-current conversion circuit |
10/24/2007 | CN200965824Y Capacitance type voltage mutual-inductor model for dynamic analog test |
10/24/2007 | CN200965551Y Multi-functional digital watt-hour meter |
10/24/2007 | CN101059540A Four-range voltage measuring instrument |
10/24/2007 | CN101059536A Three-range potentiometer adopting transposition branch |
10/24/2007 | CN101059535A Two-range portable potentiometer |
10/24/2007 | CN100344978C Optic fiber current sensor, comprising several sensing heads |