Patents for G01R 15 - Details of measuring arrangements of the types provided for in groups , or (13,411) |
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12/15/2010 | CN201673802U Increased safety magnetic balance current transformer |
12/15/2010 | CN201673800U Outdoor voltage transformer |
12/15/2010 | CN201673798U Novel mutual inductor |
12/15/2010 | CN201673190U Multi-meter with flexible current sensor |
12/15/2010 | CN201673189U Pointer multimeter |
12/15/2010 | CN201673188U Cable head insulator type current commutator |
12/15/2010 | CN101919009A Arrangement comprising a gas-tight measurement bushing |
12/15/2010 | CN101916648A Digital type linear alternating voltage transformer of multi-frequency range measurement and measuring method thereof |
12/15/2010 | CN101916647A Multiband measurement digital linear alternating current transformer and measuring method thereof |
12/15/2010 | CN101915868A Acquisition circuit for improving acquisition precision of voltage signal |
12/15/2010 | CN101915866A All-fiber current transformer and working method thereof |
12/15/2010 | CN101915865A Miniature optical fiber current sensor probe and making method thereof |
12/15/2010 | CN101447327B Method for improving stain resistance of capacitor voltage transformer and device thereof |
12/15/2010 | CN101388285B 1000kV electromagnetic standard voltage transformer for in-situ experiment and manufacturing method thereof |
12/09/2010 | WO2010042424A8 Current measuring device |
12/09/2010 | US20100308797 Power sensor |
12/09/2010 | DE202010011725U1 Vorrichtung zur Strommessung an einem elektrischen Leiter Device for measuring current in an electrical conductor |
12/09/2010 | DE10204425B4 Stromsensor nach dem Kompensationsprinzip Current sensor according to the compensation principle |
12/09/2010 | DE102009024301A1 Multi-electricity meter module for monitoring power consumption of e.g. light in industrial building, has communication component converting physical variables and identification features as output data over communication interface |
12/08/2010 | CN201667282U Capacitive divider |
12/08/2010 | CN201666913U Lightning strike waveform monitoring system of power transmission line poles and towers |
12/08/2010 | CN201666908U Power measurement display instrument |
12/08/2010 | CN201666902U High-voltage line parameter testing and protecting device |
12/08/2010 | CN101908416A High-insulativity, high-precision and environment-friendly capacitive divider |
12/08/2010 | CN101907654A Large dynamic weak current detection device for radiation detection |
12/08/2010 | CN101907653A Signal acquisition and transmission device for high-voltage DC transmission converter valve |
12/08/2010 | CN101907652A Damping circuit current measuring device of high-voltage direct-current power transmission thyristor |
12/08/2010 | CN101907651A Main circuit current measuring device for high-voltage DC transmission converter valve |
12/08/2010 | CN101907650A Magneto-optical balance type optical fiber current transformator |
12/08/2010 | CN101907649A FPGA-based sample data interface circuit for electronic mutual inductor |
12/08/2010 | CN101581738B Overvoltage sensor of overhead transmission line |
12/08/2010 | CN101393308B Low birefringent optical fiber winding and fixing device for optical fibre current sensor |
12/02/2010 | US20100301836 Device for measuring the intensity of an electric current and electric appliance including such device |
12/02/2010 | US20100301835 Current sensor |
12/02/2010 | DE102009026496A1 Sensor, particularly micro-mechanical sensor for capacitive determination of measure, has conversion unit for imaging measure of capacitor, where compensation device is equipped with electrical connection device |
12/01/2010 | EP1762001B1 Circuit arrangement and method for adjusting the power input of a load which can be operated on a direct current supply network |
12/01/2010 | CN201663050U Electronic combined transformer |
12/01/2010 | CN201663049U Current transformer with novel terminal box |
12/01/2010 | CN201662589U Non-contact high-voltage electric field sensor |
12/01/2010 | CN201662588U Hook type electric meter providing light source |
12/01/2010 | CN201662587U Connecting structure of current detection circuit |
12/01/2010 | CN101903780A Current sensor with laminated magnetic core |
12/01/2010 | CN101901681A 10 kV passive electronic voltage transformer |
12/01/2010 | CN101901680A Electronic type voltage transformer |
12/01/2010 | CN101901679A Concentricity-autocompensation type coaxial capacitance partial pressure electronic voltage transformer and compensation method thereof |
12/01/2010 | CN101477142B Weak signal multimeter body with switch function according to user connection and its use method |
12/01/2010 | CN101057149B Self-powered power bus sensor employing wireless communication |
11/30/2010 | US7844436 Method and localization unit for detecting and locating load coils in a transmission line |
11/30/2010 | US7843189 Current sensor having coil mounted to current carrying bus and related system |
11/25/2010 | WO2010134327A1 Electric current measuring instrument |
11/25/2010 | US20100295540 Branch power monitoring system |
11/25/2010 | DE202009014382U1 Messvorrichtung zur galvanisch unabhängigen Messung von elektrischen Strömen Measuring device for galvanically independent measurement of electrical currents |
11/25/2010 | DE102009022314A1 Verfahren und Schaltungsanordnung zur Messung des Stroms durch eine induktive Last Method and circuit arrangement for measuring the current through an inductive load |
11/25/2010 | DE102009022135A1 Switch arrangement for measuring e.g. direct current to detect and control current flow in lamp, has control and evaluation device determining average current value from measuring current based on measured voltage |
11/25/2010 | CA2762350A1 Electric current measuring apparatus |
11/24/2010 | EP2253963A1 Sensor for an electric variable having a flat interface and adapted connector |
11/24/2010 | CN201655531U Electronic current transformer with phase-shift circuit |
11/24/2010 | CN201655529U Dry-type current transformer and primary winding thereof |
11/24/2010 | CN201655526U Voltage mutual inductor and voltage mutual inductor cylinder |
11/24/2010 | CN201655524U Voltage transformer and casing thereof |
11/24/2010 | CN201654153U Live tester of zinc oxide arrester |
11/24/2010 | CN201654104U Two-range voltage measuring device with four measuring discs |
11/24/2010 | CN201654103U Switch device of digital multimeter |
11/24/2010 | CN201654102U Intelligent power distribution multifunctional instrument |
11/24/2010 | CN201654101U Low power point detection device of electric toy |
11/24/2010 | CN201654100U Attenuator for generating standard weak voltage signals |
11/24/2010 | CN201654099U Pulse current sensor |
11/24/2010 | CN201654098U Electric energy meter set detection tray |
11/24/2010 | CN201654097U Broadband high-gain magnetic field loop test antenna based on resonance principle |
11/24/2010 | CN101893655A Digital optical current sensor |
11/24/2010 | CN101893654A Method and system for measuring transient overvoltage of high voltage power network through distribution capacitance method |
11/24/2010 | CN101893649A Sensor having flat combining part and adapted connector |
11/17/2010 | EP2251701A1 Method for extracting field strength information |
11/17/2010 | EP2250509A2 Current measuring device using a magnetically sensitive sensor for a power electronics system |
11/17/2010 | CN201639120U Transit socket used for multimeter |
11/17/2010 | CN201638669U Fast saturation current transformer |
11/17/2010 | CN201638668U High voltage dry type current transformer |
11/17/2010 | CN201638665U Novel mutual inductor |
11/17/2010 | CN201638626U Chain-type Rogowski coil |
11/17/2010 | CN201638145U RS232/RS485 (Recommend Standard 232/Recommend Standard 485) integrated interface circuit |
11/17/2010 | CN201637817U Test system |
11/17/2010 | CN201637803U Portable failure data recorder |
11/17/2010 | CN101887081A Bridge zero adjustment circuit |
11/17/2010 | CN101887076A Circuit and device of isolation sensor |
11/17/2010 | CN101294989B Three-phase optical fiber electric mutual inductor |
11/16/2010 | US7834614 Method and apparatus for evaluating rapid changes in current |
11/16/2010 | US7834613 Isolated current to voltage, voltage to voltage converter |
11/11/2010 | WO2010128385A1 System and method for sensing voltage in medium-to-high voltage applications |
11/11/2010 | US20100283491 Double-Clamp Earth Tester Device |
11/11/2010 | DE202010012058U1 Kontrollvorrichtung für eine Fahrzeugbatterie Control device for a vehicle battery |
11/11/2010 | DE102009012794B3 Hysteresearmer Sensor Hysteresearmer sensor |
11/11/2010 | CA2761331A1 System and method for sensing voltage in medium-to-high voltage applications |
11/10/2010 | CN201629220U Current transformer with live sensor and contact box |
11/10/2010 | CN201629219U Connecting structure of grounded pipe and equalizing shield for current transformer |
11/10/2010 | CN201629218U Potential transformer |
11/10/2010 | CN201629217U Tank type voltage transformer |
11/10/2010 | CN201628740U Flange mounting type voltage sensor |
11/10/2010 | CN201628739U Observation window structure of centralized meter box |
11/10/2010 | CN101881790A Intelligent electric power parameter tester |
11/10/2010 | CN101881789A Secondary side output signal cable transmission device of voltage transformer |