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)
08/2012
08/15/2012CN202383199U Phase sequence and zero cross detection circuit structure
08/15/2012CN202383197U Current detection circuit with temperature compensating resistor
08/15/2012CN202383196U Grounding current on-line monitoring device of electric metering box
08/15/2012CN202383195U Digital iron-core grounding current detection sensor of transformer
08/15/2012CN202383194U Portable multi-way digital current/voltage measuring instrument
08/15/2012CN202383193U Hook table capable of carrying out multi-point measurement
08/15/2012CN202383192U Digital display ammeter capable of detecting pulse current
08/15/2012CN202383191U Sensor for detecting insulation characteristic of shielding gate in rail transit
08/15/2012CN202383190U Test pencil with LED (Light-Emitting Diode) lamp
08/15/2012CN202383189U High-voltage warning device for energy-storage capacitors
08/15/2012CN202383188U 10KV post insulator active electroscope
08/15/2012CN202383187U Current detection circuit of servo control system
08/15/2012CN202383186U Current sampling circuit of MOSFET switch component
08/15/2012CN202383185U Non-contact type electronic voltage sampling device
08/15/2012CN202383184U Current, electric power and electric energy self-powered and wireless monitoring system
08/15/2012CN102640008A Method and device for determining an input voltage on a local network station of a power network
08/15/2012CN102638918A Light emitting diode driving apparatus
08/15/2012CN102638079A Battery system for vehicle, on-vehicle battery module, and cell controller
08/15/2012CN102638069A Non-polar safe charger circuit
08/15/2012CN102638068A Electrodeless safety charger circuit
08/15/2012CN102638067A Electrodeless safety charger circuit
08/15/2012CN102638066A Electrodeless safety charger circuit
08/15/2012CN102636724A Portable multi-functional serial crosstalk detector
08/15/2012CN102636690A Voltage controlled delay chain-based time domain successive approximation digital intelligent battery current detection circuit and realizing method thereof
08/15/2012CN102636689A Non-contact power voltage measuring method
08/15/2012CN102636688A Detector for unbalance ratio of three-phase current of low-voltage line
08/15/2012CN102636687A Remote online monitoring method of lightning arrester
08/15/2012CN102636686A Miniature monitoring device of intermediate joint of power cable
08/15/2012CN102636685A Novel battery-free generator voltage measuring alarm system
08/15/2012CN102636684A Alternating voltage peak moment detection circuit
08/15/2012CN102636683A Test device and method for short-circuit current of direct-current power supply system based on low-current burst power
08/15/2012CN102636682A Device and method for measuring large current by optical fiber
08/15/2012CN102636681A Voltage sampling circuit of lithium battery
08/15/2012CN102636680A Electric signal measurement device and storage battery floating charge current online monitoring device
08/15/2012CN102636679A Automatic test apparatus for friction voltage
08/15/2012CN102636678A Threshold voltage degradation measuring circuit
08/15/2012CN102636677A Intelligent type online real-time monitoring contact box for temperature, humidity and current
08/15/2012CN102636676A Bridge-type current detecting circuit
08/15/2012CN102636675A Extra-high voltage suspension type optical current transformer
08/15/2012CN102636674A Current sensor with changeable measuring range
08/15/2012CN102631140A Electric cooker detection system
08/15/2012CN101975886B Three-phase alternating current (AC) synchronous oversampling method
08/15/2012CN101943714B Precise detection method of thyristor AC signal zero passage time sequence and device
08/15/2012CN101726653B System and method for identifying issues in current and voltage measurements
08/15/2012CN101688889B RF detector with crest factor measurement
08/15/2012CN101675588B Variable power and response time brown-out-reset circuit
08/15/2012CN101526492B Ore-slurry multi-potential detector
08/15/2012CN101479616B Method for extending the diagnostic capability of current regulators
08/15/2012CN101430367B Multi-cell voltage secure data encoding in hybrid vehicles
08/14/2012US8242770 Voltage sensing device
08/14/2012US8242769 Method for measuring transconductance
08/14/2012US8242768 System for testing power supply performance
08/14/2012US8242767 Detection of changes in an interval of time between optical or electrical signals
08/09/2012WO2012106390A2 Process and apparatus for nondestructive evaluation of the quality of a crimped wire connector
08/09/2012WO2012105029A1 Analog unit for sequencer system
08/09/2012US20120203481 Wire manager with current and voltage sensing
08/09/2012DE102011107900A1 Control device for determining maximum available electrical charge current, has logic unit which formats and compares received desired values with received signals for determining value of maximum available electrical charge current
08/09/2012DE102011003699A1 Method for determining electric current intensity of battery in motor vehicle, involves detecting difference between battery voltage and consumer voltage to determine current intensity of battery
08/09/2012DE102011003566A1 Verfahren und Vorrichtung zum Kalibrieren mindestens eines Stromsensors Method and apparatus for calibrating at least one current sensor
08/08/2012EP2485364A1 Assembled battery control device
08/08/2012CN202374175U Positive-and-negative dual-power-supply control device and Hall current sensor
08/08/2012CN202373809U Intelligent multi-jack socket
08/08/2012CN202372626U Portable wind power quality monitor
08/08/2012CN202372569U Power parameter measuring device
08/08/2012CN202372568U Dynamic data acquisition device
08/08/2012CN202372567U Multifunctional wind power quality monitor
08/08/2012CN202372566U Wind power quality real-time monitoring instrument
08/08/2012CN202372565U Outdoor current real time monitoring device for railway links
08/08/2012CN202372564U Online monitoring device of switch cabinet
08/08/2012CN202372563U Transformer composite monitoring module with quick protection function
08/08/2012CN202372562U Battery voltage detection module of IC (Integrated Circuit) card intelligent membrane type gas meter control circuit
08/08/2012CN202372561U Test pencil capable of writing
08/08/2012CN202372560U Bendable test pencil
08/08/2012CN202372559U Current density meter for electroplating
08/08/2012CN202372558U Voltage drop detection device for mechanical contact switch
08/08/2012CN202372557U Automatic testing device for board card voltage
08/08/2012CN202372556U Split type large current direct-discharging Hall current sensor
08/08/2012CN202372543U Multichannel alternating-current electric meter
08/08/2012CN202372532U Simple device for measuring voltage
08/08/2012CN102629780A Remote warning device for leakage current abnormities of lightning arrester
08/08/2012CN102628911A Suspension-type resistance spot welder connection cable real-time on-line monitoring method and device
08/08/2012CN102628905A Fault recognition device of high-voltage capacitance type equipment and application device thereof
08/08/2012CN102628891A Detection system and detection method for positive-inverse current single loop based on controller area network (CAN)
08/08/2012CN102628890A Intelligent grounding safety parameter monitoring method and device
08/08/2012CN102628889A Voltage sampling circuit
08/08/2012CN102628888A Non-contact electricity detecting device
08/08/2012CN102628887A High-voltage electrode discharging current sensor
08/08/2012CN102628885A Multi-closed-loop optical fiber mutual inductor with plurality of analog-to-digital conversion units
08/08/2012CN101975884B High-voltage potential indicator
08/08/2012CN101968032B Low voltage ride-through monitoring system for doubly-fed wind generator
08/07/2012US8239693 Built-in system power management circuit and motherboard with thereof
08/07/2012US8237427 Wideband high impedance bridging module
08/07/2012US8234791 Structural stud finder device and method
08/02/2012WO2012102933A2 Detection of insufficient supplied power
08/02/2012WO2012102081A1 Polarity detection circuit
08/02/2012WO2012101610A1 Disaggregation apparatus
08/02/2012WO2012101421A2 Current transformer
08/02/2012WO2012101347A1 Device for detecting an earth connection fault of an electrical connector system
08/02/2012WO2012075059A3 Appliance network connectivity apparatus
08/02/2012US20120197791 System for measuring electricity and method of providing and using the same
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