| Patents for G01R 19 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof (29,850) |
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| 05/29/2013 | CN103123369A 电流感应装置 Current sensing device |
| 05/29/2013 | CN103123368A 测试治具 Test Fixture |
| 05/29/2013 | CN102096046B Testing system for vehicle-mounted charging equipment |
| 05/29/2013 | CN101918851B Voltage measurement unit with minimized common mode errors |
| 05/29/2013 | CN101750218B Device and method for monitoring a magnetic brake on rail vehicles |
| 05/28/2013 | US8451027 Pseudo full-rate sense amplifier flip-flop for high-speed receiver front-end |
| 05/28/2013 | US8451005 Device and method for detecting a street lamp fault |
| 05/28/2013 | US8450994 Voltage application time period measuring circuit and power supply apparatus including the same |
| 05/23/2013 | WO2013072568A1 Nanostructure and method for determining a dc electric current |
| 05/23/2013 | US20130128396 Current measurement |
| 05/23/2013 | US20130127474 Control processing method of energy-saving cell and base station |
| 05/23/2013 | US20130127441 Apparatus and method for on-chip sampling of dynamic ir voltage drop |
| 05/23/2013 | US20130127440 Pass through device for non-contact voltage detectors |
| 05/23/2013 | DE102012210263A1 Batteriezelle mit einem im Batteriezellgehäuse integrierten Temperatursensor Battery cell with a built-in battery cell case temperature sensor |
| 05/23/2013 | DE102012210258A1 Batterie mit einem Batteriesteuergerät und integriertem Temperatursensor Battery with a battery control unit and integrated temperature sensor |
| 05/23/2013 | DE102012210253A1 Verfahren zum Überwachen einer Batterie A method for monitoring a battery |
| 05/23/2013 | DE102011118954A1 Verfahren und Vorrichtung zur Überwachung einer Hochvoltanordnung Method and apparatus for monitoring a high voltage assembly |
| 05/23/2013 | DE102004003356B4 Straßenfertiger mit Funktionsüberwachung einer Heizeinrichtung Paver with fault monitoring of a heating device |
| 05/22/2013 | EP2594948A1 Current sensing circuit and control circuit thereof and power converter circuit |
| 05/22/2013 | EP2594947A1 Battery pack voltage detection device |
| 05/22/2013 | EP2593800A1 Method or voltage detection system for determining a correction parameter for a measurement channel and for detecting a terminal voltage of an electric motor |
| 05/22/2013 | EP2593799A1 Current measurement apparatus and current measurement method thereof |
| 05/22/2013 | EP2593798A1 Differential current sensor |
| 05/22/2013 | CN202948148U Novel transmitter |
| 05/22/2013 | CN202948088U Novel comprehensive test system of electric energy quality of electrification railway |
| 05/22/2013 | CN202948079U Apparatus and system for electrical load monitoring |
| 05/22/2013 | CN202948056U Led显示仪表 Led display instruments |
| 05/22/2013 | CN202948055U Liquid crystal display instrument |
| 05/22/2013 | CN202948054U Haff structure type high voltage wireless data acquisition device |
| 05/22/2013 | CN202948053U Voltage acquisition device of single storage battery of transformer station |
| 05/22/2013 | CN202948052U Digital voltammeter based on measuring chip |
| 05/22/2013 | CN202948051U Digital three-phase AC (Alternating Current) parameter measuring instrument |
| 05/22/2013 | CN202948050U Alarm device of abnormal transformer current |
| 05/22/2013 | CN202948049U Leakage alarm system of intelligent power distribution cabinet body |
| 05/22/2013 | CN202948048U Full-waveform lightning current measuring device |
| 05/22/2013 | CN202948047U Device for measuring secondary transient voltage in intelligent transformer substation |
| 05/22/2013 | CN202948046U Weak current detecting circuit for power supply |
| 05/22/2013 | CN202948045U Voltage signal detection front-end processing device |
| 05/22/2013 | CN202948044U Voltage and current synchronous sampling device of high voltage device |
| 05/22/2013 | CN103119453A Digital frequency estimation based on quadratic forms |
| 05/22/2013 | CN103117590A Uninterruptible power power-supply system provided with simplified voltage detector circuit |
| 05/22/2013 | CN103116064A Method and device for detecting voltage fluctuation and flicker based on energy operator and spectrum correction |
| 05/22/2013 | CN103116063A Transformer iron core ground connection electric current monitor |
| 05/22/2013 | CN103116062A Circuit and method for detecting voltage peak |
| 05/22/2013 | CN103116061A Novel open nonmagnetic core current sensor with compensating structure |
| 05/22/2013 | CN103116060A Multi-loop current collection device |
| 05/22/2013 | CN103116059A Voltage fast detection algorithm suitable for grid power system low voltage ride through function |
| 05/22/2013 | CN103116058A Current sensor based on polarization-maintaining long-cycle fiber Bragg grating (FBG) |
| 05/22/2013 | CN103116057A Garnet type photoelectric type current sensor device and preparation method |
| 05/22/2013 | CN103116056A High-voltage direct current broadband domain corona current measurement system |
| 05/22/2013 | CN103115635A Double-channel frequency division photoelectric signal detection circuit |
| 05/22/2013 | CN102411080B Optical electric field sensor |
| 05/22/2013 | CN102323469B System for monitoring state of harmonic load |
| 05/22/2013 | CN102175905B Zero crossing detecting circuit and device and warm air blower |
| 05/22/2013 | CN102072976B Method and system for identifying electrical appliance state |
| 05/22/2013 | CN102053196B Arc voltage testing device of pantograph catenary |
| 05/22/2013 | CN101902126B Power supply device for sputter ion pumps |
| 05/21/2013 | US8447545 Module for measuring the current flowing in a conductor distribution of a low-voltage distribution board |
| 05/21/2013 | US8445832 Optical communication device |
| 05/16/2013 | US20130124122 String monitor |
| 05/16/2013 | US20130119975 Current detector |
| 05/16/2013 | DE102012219646A1 Halbleitervorrichtung, die eine an ein Halbleiterschaltelement angelegte Spannung misst A semiconductor device, which measures a voltage applied to a semiconductor switching element voltage |
| 05/16/2013 | DE102011086074A1 Diagnostic device for photovoltaic module, has measuring unit measuring leakage current of modules at grounded terminal, where leakage current is caused by signal due to capacitance increase as sequence of damage of modules |
| 05/15/2013 | EP2592738A2 Method and apparatus for implementing a power converter input terminal voltage discharge circuit |
| 05/15/2013 | EP2592737A2 Method and apparatus for implementing a power converter input terminal voltage discharge circuit |
| 05/15/2013 | EP2592427A1 Voltage measuring circuit and method |
| 05/15/2013 | CN202940733U Direct current insulation buck converter and matrix voltage detection circuit thereof |
| 05/15/2013 | CN202940621U Battery charging circuit and control circuit thereof |
| 05/15/2013 | CN202940578U Current detection circuit for breaker trip |
| 05/15/2013 | CN202939236U Arrester on-line monitor |
| 05/15/2013 | CN202939218U Real-time rail-transit shielding door driving motor current detection system |
| 05/15/2013 | CN202939217U 直流检测器 DC detector |
| 05/15/2013 | CN202939216U Commercial-power high and low limit alarm system |
| 05/15/2013 | CN202939215U King-size 110kV high voltage electroprobe |
| 05/15/2013 | CN202939214U Lengthening-type 35 kV high-voltage electroprobe |
| 05/15/2013 | CN202939213U Lengthening-type 10 kV high-voltage electroprobe |
| 05/15/2013 | CN202939212U Special tool for high voltage electricity testing |
| 05/15/2013 | CN202939211U Hall current detection apparatus |
| 05/15/2013 | CN202939210U Apparatus used for detecting voltage and phase of low-voltage three-phase transformer |
| 05/15/2013 | CN202939209U Multiway switch transmission tripping outlet signal detection device |
| 05/15/2013 | CN202939208U Micro electro mechanical system current sensing device based on capacitance readout |
| 05/15/2013 | CN202939207U Micro electro mechanical system current sensing device based on optical readout |
| 05/15/2013 | CN202939206U Voltage detection circuit |
| 05/15/2013 | CN202939205U Tmr current sensor |
| 05/15/2013 | CN202939204U Measuring meter for measuring current and voltage values |
| 05/15/2013 | CN202939203U Output current detection circuit for miniwatt switching power supply |
| 05/15/2013 | CN202939202U Voltage detection circuit |
| 05/15/2013 | CN103107511A Reclosing device with double-nixie-tube circular display |
| 05/15/2013 | CN103105593A Novel cross-core type sensor |
| 05/15/2013 | CN103105569A Semiconductor device measuring voltage applied to semiconductor switch element |
| 05/15/2013 | CN103105546A Pressure drop test system, pressure drop control device and pressure drop test method of pressure drop test system |
| 05/15/2013 | CN103105543A Circuit for monitoring abrasion of ground power unit (GPU) socket and method for the same |
| 05/15/2013 | CN103105525A Precision compensation method of current clamp, detection method and detection system using current clamp |
| 05/15/2013 | CN103105524A Direct voltage tester and method for testing direct voltage |
| 05/15/2013 | CN103105523A Closed-loop power supply transfer risk treatment method and system thereof |
| 05/15/2013 | CN103105522A Collection wire wiring structure for detecting voltage of energy storage type sodium-sulfur battery module |
| 05/15/2013 | CN103105521A Very fast transient overvoltage (VFTO) remote measurement system and method |
| 05/15/2013 | CN103105520A Electrification testing device of capacitive equipment |
| 05/15/2013 | CN103105519A Four-line current detecting circuit for reclosure device |
| 05/15/2013 | CN103105518A Method for monitoring current disorder of security and protection system pressure-regulating device |