Patents
Sitemap › G01 - Measuring; Testing › G01R - Measuring electric variables; Measuring magnetic variables › G01R 19 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof
Patents for G01R 19 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof (29,850)
10/2012
10/04/2012US20120249120 Current loop detection system and current loop detection method thereof
10/04/2012US20120249118 Cable identification device
10/04/2012US20120249098 Circuits and methods for current sensing
10/04/2012US20120247194 Sensor apparatus integrated to injector of internal combustion engine
10/04/2012DE102012205161A1 Stromsensor Current sensor
10/04/2012DE102012205154A1 Einrichtung zum Messen einer Versorgungsspannung in Elektrofahrzeugen Means for measuring a supply voltage in electric vehicles
10/04/2012DE102012006269A1 Stromsensor Current sensor
10/04/2012DE102011053491A1 Scheinwerfer mit Leuchtdioden Headlights with LEDs
10/04/2012DE102011006619A1 Method for measuring electrical variable in control device of motor vehicle, involves compensating error in reference value by reference voltage of direct current to direct current converter
10/03/2012EP2506383A2 System and method for operating capacitor banks
10/03/2012EP2505967A1 Method, System and Device of Phase Identification Using a Smart Meter
10/03/2012EP2504917A1 Apparatus and method for measurement of a motor current of a direct-current motor
10/03/2012CN202475538U Electroscope cellphone
10/03/2012CN202472917U Wireless-transmission-based thermoelectric online detection device for aluminum electrolytic bath bus
10/03/2012CN202471928U Auxiliary test unit for charging
10/03/2012CN202471919U Automobile storage battery overvoltage and undervoltage detection circuit and storage battery assembly comprising same
10/03/2012CN202471918U Direct current measuring apparatus and automobile battery management system comprising same
10/03/2012CN202471912U Device for detecting fault of amplifier circuit and power amplifier circuit
10/03/2012CN202471908U Fault detection circuit and fault detection protecting circuit
10/03/2012CN202471896U DC600V trunk on-line insulation monitoring device
10/03/2012CN202471868U Lightning-protection online monitoring system on wind driven generator
10/03/2012CN202471830U Main loop output current measurement device for frequency converter
10/03/2012CN202471829U Portable X-ray machine tube current non-intervention measuring apparatus
10/03/2012CN202471828U Voltage sampling circuit suitable for dual-power automatic transfer switch and controller
10/03/2012CN202471827U Current monitoring device
10/03/2012CN202471826U Multifunctional digital electric power instrument of current signal sampling
10/03/2012CN202471825U Stray current monitor
10/03/2012CN202471824U AC sampling circuit
10/03/2012CN202471823U Photo-coupling isolation line voltage zero-detection circuit
10/03/2012CN202471822U Electronic current inductor
10/03/2012CN202471821U Handheld quick batch survey device of battery voltage
10/03/2012CN202471820U A high voltage indicating device and a safety helmet comprising the same
10/03/2012CN202471819U In-place charged safety flash alarm device
10/03/2012CN202471818U Induction type high voltage pillar insulator sensor
10/03/2012CN202471817U Live display with power terminal
10/03/2012CN202471816U Device for estimating overvoltage at motor end
10/03/2012CN202471815U Pulse failure detection circuit
10/03/2012CN202471814U Distribution line current waveform collector
10/03/2012CN202471813U GMR (giant magnetoresistance) current sensor
10/03/2012CN202471812U Multichannel current collector
10/03/2012CN202471811U Hall current sensor
10/03/2012CN202471810U Measurement circuit
10/03/2012CN202471809U Hall rotary handle detector for electric vehicle
10/03/2012CN202471808U Electrically-isolated voltage sampling module circuit
10/03/2012CN202471807U Test case for factory-leaving detection of battery box of pitch system
10/03/2012CN202471806U On-line monitoring sensing device for transformer-core earth current
10/03/2012CN202471805U Measure circuit for three-phase non-neutral triangle phase voltage
10/03/2012CN202471804U Intelligent lightning stroke monitoring device
10/03/2012CN202471803U AC signal collection circuit based on microcontroller
10/03/2012CN202471802U Simulated sampling circuit used for solar inverter
10/03/2012CN202471801U Current monitor
10/03/2012CN202471800U Fiber current sensor coil and fiber current sensor
10/03/2012CN202471796U A self-detection circuit of a sampling resistor of current signal
10/03/2012CN202471794U Bidirectional display phase voltammeter
10/03/2012CN202471793U Intelligent phase voltammeter
10/03/2012CN202471789U Signal acquisition device
10/03/2012CN102713647A Power measurement system, voltage measurement device, current measurement device, and power measurement method
10/03/2012CN102713646A Dynamic load estimation of multiple branch circuits
10/03/2012CN102713523A Method for identifying consumers or producers in a pneumatic, hydraulic or electric network
10/03/2012CN102710158A Inverter device
10/03/2012CN102710136A Internal power supply circuit for wide-range power input
10/03/2012CN102709913A High-voltage harmonic suppression program controller
10/03/2012CN102709872A Overvoltage protection control device and method
10/03/2012CN102707213A Detection method for failure of encapsulated cells
10/03/2012CN102707136A Energy consumption measuring device for pure electric vehicle
10/03/2012CN102707135A Lightning current online monitoring system of overhead transmission line based on differential ring
10/03/2012CN102707134A Composite power supply-based device for detecting comprehensive parameters of high voltage system on line
10/03/2012CN102707133A Device, system and method for measuring frequency-variable alternating current voltage
10/03/2012CN102707132A Dynamic processing method of abnormal sampling value of digitalized protection and monitoring device
10/03/2012CN102707131A Very fast transient overvoltage (VFTO) automatic measuring system for high-sensitivity medium window
10/03/2012CN102707130A Method and device for determining arc suppression coil gear based on voltage signal
10/03/2012CN102707129A Current sensing device
10/03/2012CN102707128A Circuit and method for acquiring alternating signal based on microcontroller
10/03/2012CN102707127A Simplified type alternating-current zero-crossing detecting and amplitude value sampling unit
10/03/2012CN102707126A Undervoltage alarm module of storage battery
10/03/2012CN102707125A Feed switch power-off automatic alarm equipment and method thereof
10/03/2012CN102707124A Voltage detection circuit
10/03/2012CN102707123A Method for improving testing precision of chip voltage
10/03/2012CN102707122A Detection method for variable step length LMS (Least Mean Square) harmonic current based on versiera
10/03/2012CN102707121A Voltage surge detection circuit
10/03/2012CN102707120A Current sampling circuit and method for control system based on power semiconductor devices
10/03/2012CN102707118A Voltage and current mutual inductor and measuring system thereof
10/03/2012CN102707113A Systems, methods, and apparatus for detecting theft and status of electrical power
10/03/2012CN102706951A Method for determining surface potential of liquid-liquid two-phase interface
10/03/2012CN102706540A System for measuring half-wave voltage of phase modulator and measurement method
10/03/2012CN102072984B Electricity testing handcart
10/03/2012CN101963642B Testing method and instrument of multipoint earthing slide-variable resistance of common circuit
10/03/2012CN101793918B Voltage sag detection method
10/03/2012CN101750561B Electrical energy quality monitoring and evaluating system
10/03/2012CN101650388B Measuring device and method of human body resistance under DC current
10/03/2012CN101615001B Multiplex device for single bus interface signal ground
10/03/2012CN101572181B Transformer core earth resistance live line measurement installing device and method therefor
10/03/2012CN101277011B Self-adjusting voltage filtering technique compensating for dynamic errors of capacitive voltage transformers
10/03/2012CN101216537B Single-electrode potential measurement method suitable for alkaline sealed cell and its device
10/02/2012US8280660 Electrical distribution networks
10/02/2012US8278908 Method for measuring electric potential distribution on a surface of a sample, and charged particle beam system
09/2012
09/27/2012WO2012127304A1 Voltage measurement device, voltage measurement system and voltage measurement method
09/27/2012WO2012093795A3 Method and device for estimating available time for battery
09/27/2012WO2012064810A3 Hall effect device and biasing method
09/27/2012US20120245872 Battery tester with high precision
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