| Patents for G01R 19 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof (29,850) |
|---|
| 04/04/2013 | DE102010061433B4 Spannungsregelung für Ausgangstransistor einer Signalausgangsstufe Voltage control for a signal output transistor output stage |
| 04/03/2013 | EP2574946A1 Method and device for counting energisation events |
| 04/03/2013 | EP2574937A2 Fast AC voltage detector |
| 04/03/2013 | CN202856602U 变频器 Drive |
| 04/03/2013 | CN202856206U Novel high voltage electrified display locking device |
| 04/03/2013 | CN202855943U Grounding wire operation lever |
| 04/03/2013 | CN202854308U Power supply test system of automobile electronic product |
| 04/03/2013 | CN202854307U Alternating current ingress into direct current power supply alarm device for transformer station |
| 04/03/2013 | CN202854304U Storage battery operating state monitor system |
| 04/03/2013 | CN202854269U Digital broadcast train state monitoring module |
| 04/03/2013 | CN202854264U Diode high temperature electric leakage test system |
| 04/03/2013 | CN202854262U Self-powered fault indicator system |
| 04/03/2013 | CN202854255U Capacitor type potential transformer testing device |
| 04/03/2013 | CN202854248U Lightning arrester on-line detection device |
| 04/03/2013 | CN202854247U Gapless metal oxide surge lightning arrester no residual voltage monitoring device |
| 04/03/2013 | CN202854246U Zinc oxide lightning arrester insulation state live detection device |
| 04/03/2013 | CN202854226U Zero-cross detection circuit of electric energy metering chip |
| 04/03/2013 | CN202854225U Sinusoidal alternating current voltage zero cross detection circuit |
| 04/03/2013 | CN202854224U Transformer-cutting-off no-load overvoltage on-line monitoring system used for finery transformer in steel plant |
| 04/03/2013 | CN202854223U Power failure detection device |
| 04/03/2013 | CN202854222U Electric actuating mechanism torque-measuring apparatus based on current detection |
| 04/03/2013 | CN202854221U Alarm device of transistor characteristic graphic instrument |
| 04/03/2013 | CN202854220U High-voltage electroscope combiner |
| 04/03/2013 | CN202854219U Undervoltage, voltage loss, and phase loss detection circuit |
| 04/03/2013 | CN202854218U High voltage electroscope |
| 04/03/2013 | CN202854217U Novel electricity verification handcart for central-positioned switch cabinet |
| 04/03/2013 | CN202854216U Intelligent combined electroscope |
| 04/03/2013 | CN202854215U Inductive test pencil based on six-inverter integrated circuit |
| 04/03/2013 | CN202854214U Full-voltage loss measuring device and intelligent electric meter |
| 04/03/2013 | CN202854213U Modulation type direct current voltage transformer |
| 04/03/2013 | CN202854212U Manganin current sampling device with external magnetic field interference resistance |
| 04/03/2013 | CN202854211U Voltage detection circuit of photovoltaic MPPT controller |
| 04/03/2013 | CN202854210U Device used for on-line detection of voltage of insulator of power transmission line |
| 04/03/2013 | CN202854209U Gearbox current measuring device |
| 04/03/2013 | CN202854208U Clamp current meter |
| 04/03/2013 | CN202854207U Steel ladle refining furnace secondary current redundancy detection apparatus |
| 04/03/2013 | CN202844274U Handheld atomizer with detection function |
| 04/03/2013 | CN103026245A Voltage measuring circuit and method |
| 04/03/2013 | CN103026243A 电流传感器 Current Sensors |
| 04/03/2013 | CN103023331A Isolated voltage/current detection control circuit for high-voltage switching power supply |
| 04/03/2013 | CN103022978A Under-voltage protection circuit for multi-pulse-wave rectifying circuit |
| 04/03/2013 | CN103020459A Method and system for sensing multiple-dimension electric utilization activities |
| 04/03/2013 | CN103018671A Intelligent storage battery monitoring and maintaining device |
| 04/03/2013 | CN103018655A Overcharge voltage detection circuit of battery protection circuit |
| 04/03/2013 | CN103018616A Method and device for notification device circuit and notification system |
| 04/03/2013 | CN103018611A Non-invasive load monitoring method and system based on current decomposition |
| 04/03/2013 | CN103018558A Master-slave multiprocessor real-time signal analyzing method |
| 04/03/2013 | CN103018555A High-precision electric power parameter software synchronous sampling method |
| 04/03/2013 | CN103018552A Three-phase digital type intelligent electricity meter |
| 04/03/2013 | CN103018544A Voltage acquisition device and control method of multiple voltage grade automatic transfer switch controller |
| 04/03/2013 | CN103018543A High-accuracy multichannel alternating voltage and current detection device |
| 04/03/2013 | CN103018542A Corona current collecting card based on USB (universal serial bus) bus |
| 04/03/2013 | CN103018541A Counter-potential zero-crossing detection circuit and counter-potential zero-crossing detection method for brushless direct-current motor |
| 04/03/2013 | CN103018540A Zero-sequence voltage detection device of 6-10 KV circuit |
| 04/03/2013 | CN103018539A Driving energy storage detection circuit of breaker |
| 04/03/2013 | CN103018538A Novel test pencil |
| 04/03/2013 | CN103018537A Disturbance classification and recognition method for quality of transient electric energy based on CWD Choi-Williams Distribution spectral kurtosis |
| 04/03/2013 | CN103018536A Device and method for measuring dispersal impulse current characteristics of grounding electrode |
| 04/03/2013 | CN103018535A Intelligent monitoring system for solar deck chair |
| 04/03/2013 | CN103018534A Method and system for determining harmonic voltage |
| 04/03/2013 | CN103018533A Optical voltage sensor based on electroluminescent effect |
| 04/03/2013 | CN103018532A Method and system for high-speed voltage drop detection |
| 04/03/2013 | CN103018531A Current detection circuit, temperature compensation device and display device |
| 04/03/2013 | CN103018530A Ultrasonic power supply current detection circuit |
| 04/03/2013 | CN103018529A Combined type current voltage sensor |
| 04/03/2013 | CN103018528A Automatic current measurement device |
| 04/03/2013 | CN103018527A Driving motor current signal collection device of transformer voltage regulating switch tap |
| 04/03/2013 | CN103018526A Separating unit for leakage current and capacitive current |
| 04/03/2013 | CN103018525A Synchronous measurement device and method of short-circuit current distribution in transformer substation |
| 04/03/2013 | CN103018524A Electrification display detection device of high-voltage power system |
| 04/03/2013 | CN103018523A Voltage monitoring system of storage battery in intelligent voltage transformation station |
| 04/03/2013 | CN103018522A Current sensor and attachment structure of the same |
| 04/03/2013 | CN103018521A Rectifier identification method and device |
| 04/03/2013 | CN103018516A Current shunt and method for detecting same |
| 04/03/2013 | CN103007465A High-voltage cable joint comprehensive monitoring and fire protection device and application thereof |
| 04/03/2013 | CN102332721B Method for predicting harmonic current of hybrid active power filter based on optimal linear prediction theory |
| 04/03/2013 | CN102298087B Method for measuring voltage of power grid according to revolving speed of direct-current motor of air pipe type air-conditioning indoor unit |
| 04/03/2013 | CN102288815B Temperature compensator for giant magneto-resistance effect current sensor |
| 04/03/2013 | CN102095944B Precise prewarning system of direct stroke in protection range |
| 04/02/2013 | US8412474 Method for determining a radiation measurement for thermal radiation, arc furnace, a signal processing device programme code and storage medium for carrying out said method |
| 04/02/2013 | US8412386 Adaptive relaying controlled by autonomous event detection |
| 04/02/2013 | US8410820 High speed latch comparators |
| 04/02/2013 | US8410772 Bias circuit generating bias from supply and threshold voltages |
| 04/02/2013 | US8410641 Power injector detection |
| 03/28/2013 | WO2013042285A1 Voltage detecting circuit and voltage regulator apparatus provided with same |
| 03/28/2013 | WO2013041603A1 Device for measuring a battery current |
| 03/28/2013 | WO2013040941A1 Rectifier identification method and device |
| 03/28/2013 | WO2012165842A3 Method for estimation state of health for ess |
| 03/28/2013 | WO2012148774A3 Integrated protection devices with monitoring of electrical characteristics |
| 03/28/2013 | US20130079894 Multi-channel protection logic |
| 03/28/2013 | US20130076343 Non-contact current and voltage sensing clamp |
| 03/28/2013 | US20130076341 High current sensors |
| 03/28/2013 | US20130076338 Electro-optic effect based optical voltage transformer |
| 03/28/2013 | DE102012215008A1 System und Verfahren zur Stromabschätzung für den Betrieb von elektrischen Motoren System and method for power estimate for the operation of electrical motors |
| 03/28/2013 | DE102012109224A1 Hochstromsensoren High current sensors |
| 03/28/2013 | DE102011083307A1 Vorrichtung zur Messung eines Batteriestroms Device for measuring a battery current |
| 03/28/2013 | DE102011053897A1 Sensor arrangement for use in motor car to detect approximation of object, has target electrode extending axially outside sensing electrode in partial section of less sensitivity, and control circuit to adjust potential of target electrode |
| 03/28/2013 | DE102007022208B4 Mehrfachsteckdose mit Phasenanzeige Power strip with phase indication |
| 03/27/2013 | EP2573932A1 Brushless DC motor with SFOC regulation |
| 03/27/2013 | EP2573575A1 Digital switching converter control |