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)
06/2010
06/23/2010EP2198142A2 Control systems
06/23/2010CN201515449U Standby power-saving device of television
06/23/2010CN201515243U Charging device with function of battery maintenance reminding
06/23/2010CN201515108U Switch socket with current and voltage instructions
06/23/2010CN201514446U High-voltage AC/DC test device for environmental monitoring
06/23/2010CN201514444U High-voltage electric power monitoring device
06/23/2010CN201514442U Real-time detecting device of remote controller production line products
06/23/2010CN201514441U Current zero-crossing detection current circuit
06/23/2010CN201514440U Test pencil
06/23/2010CN201514439U Differential Hall current sensor
06/23/2010CN201514438U On-line insulation monitoring device of electrolytic direct current system
06/23/2010CN201514437U Distribution network capacitance current test instrument
06/23/2010CN201514436U Current sensing head
06/23/2010CN201514420U Silver-zinc battery patrolling clip
06/23/2010CN1715933B Wide bandwidth attenuator input circuit for a measurement probe
06/23/2010CN101752906A High-voltage switch intelligent control system and control method thereof
06/23/2010CN101752832A Electric-leakage circuit breaker
06/23/2010CN101750586A Intelligent storage battery on-line monitor
06/23/2010CN101750567A Power equipment power failure alarm device
06/23/2010CN101750562A Non-PMU measure point dynamic process estimation method based on flow equation sensitiveness analysis
06/23/2010CN101750561A Electrical energy quality monitoring and evaluating system
06/23/2010CN101750545A Electromagnetic compatibility test method for electric propulsion system
06/23/2010CN101750540A Method for detecting parasitic loop of transformer station direct current system
06/23/2010CN101750536A Intelligent meter measuring system for dynamic simulation test
06/23/2010CN101750535A Consumed current measuring system and measuring method
06/23/2010CN101750534A Method and system for sampling current of power conversion circuit
06/23/2010CN101750533A Membrane-vibration type high-voltage sensor
06/23/2010CN101750532A Method for detecting IGBT (Insulated Gate Bipolar Translator) recoil high voltage intensity in electromagnetic oven and circuit thereof
06/23/2010CN101750531A Movement detection circuit of solenoid shear seal valve on subsea pressure control system
06/23/2010CN101750530A Method and system for measuring induction current of bridging fibril
06/23/2010CN101750527A Unbalanced current detection device
06/23/2010CN101750522A Wide bandwidth attenuator input circuit for a measurement probe
06/23/2010CN101750218A Device and method for monitoring a magnetic brake on rail vehicles
06/23/2010CN101750174A Pneumatic experimental table for loading electrical actuator
06/23/2010CN101750162A Method, device and terminal for detection of terminal abnormal heating
06/23/2010CN101748471A Barrel plating current intensity real-time online testing device
06/23/2010CN101339221B Test device for reactor volt-second characteristic of high voltage direct current transmission valve
06/23/2010CN101290330B Circuit testing device
06/23/2010CN101236216B Electrical power system metric data time difference compensation state estimation method
06/23/2010CN101183123B Ultra-, extra-high voltage industrial frequency AC immediate contact type electroscope
06/23/2010CN101013152B Circuit and method for confirming sensor device and fault sensor element
06/22/2010US7742577 Tone around test adapter
06/22/2010US7741830 Image cancellation in frequency converters for spectrum analysers
06/22/2010US7741828 Power disturbance detection circuit and method
06/22/2010CA2351573C Voltage sensor
06/17/2010WO2010068582A1 Power metering and merging unit capabilities in a single ied
06/17/2010WO2010032995A3 Apparatus and method for monitoring voltages of cells of battery pack
06/17/2010WO2010024654A3 Apparatus and method for sensing a current leakage of a battery, and battery driving apparatus and battery pack including the apparatus
06/17/2010US20100148860 Multiport amplifier adjustment
06/17/2010US20100148789 System for Measuring the Electric Potential of a Voltage Source
06/17/2010US20100148755 Movement detection circuit of solenoid shear seal valve on subsea pressure control system and method of detecting movement of solenoid actuator
06/17/2010US20100148754 Apparatus For Driving an Amperometric Electrochemical Sensor
06/17/2010US20100148753 Method to predict phase current
06/17/2010US20100148749 Signal transmission/reception device
06/17/2010DE19844726B4 Stromsensor nach dem Kompensationsprinzip Current sensor according to the compensation principle
06/17/2010DE102008061996A1 Method for measuring and recording temporal characteristics of e.g. electrical signal, involves deactivating short circuit device such short circuit of resistor is removed, and only output signal of measuring device is recorded
06/17/2010DE102008061014A1 Method for suppression of external interference fields from e.g. spinvalve-based giant magnetoresistance elements, involves interconnecting sensors on conductor loop to bridge arrangement such that linear bridge is formed from components
06/17/2010DE102008054742A1 Thermo-electric voltage measuring method, involves forming voltage as sum voltage from reference voltage and electrical voltage, where voltage is formed as differential voltage of reference voltage and electrical voltage
06/16/2010EP2195615A2 Automated configuration of a power monitoring system using hierarchical context
06/16/2010CN201509235U Headphone detection circuit of mobile terminal and mobile terminal thereof
06/16/2010CN201509089U Charger
06/16/2010CN201508592U High-voltage prepayment electric energy quality measuring remote monitoring device
06/16/2010CN201508407U Fuel cell stack voltage monitoring and diagnosing device
06/16/2010CN201508396U Device for automatically monitoring distance between electrified bodies and ensuring operation safety
06/16/2010CN201508388U Voltage rise alarm circuit
06/16/2010CN201508387U Electric-energy monitoring device for computer room of internet data center
06/16/2010CN201508386U Distribution transformer remote-control monitoring device
06/16/2010CN201508385U Power supply rectifier detection circuit
06/16/2010CN201508384U Voltage measurement circuit for two-way direct-current power supply power transmission road
06/16/2010CN201508246U Performance test circuit of household appliance product
06/16/2010CN201506583U Used batteries collecting box
06/16/2010CN101741245A Multi-phase dc-dc converter control
06/16/2010CN101740964A High voltage connector and method having integrated voltage measurement probe points
06/16/2010CN101740838A Battery pack, method for monitoring battery pack and electronic system
06/16/2010CN101738940A Energy-saving control circuit and minisize human body sensing emitter matched with same
06/16/2010CN101738578A Method, device and system for measuring energy consumption of integrated circuits
06/16/2010CN101738553A Universal testing system of frequency transformer and current transformer
06/16/2010CN101738537A High-sensitivity digital nanovoltmeter and realization method thereof
06/16/2010CN101738536A Device and method for quantizing current measurement value of permanent magnet synchronous motor
06/16/2010CN101738535A Alternating voltage zero-crossing detection circuit for power factor correction control circuit
06/16/2010CN101738534A Voltage test device and voltage test method
06/16/2010CN101738533A Test pencil with illumination and sounding functions
06/16/2010CN101738532A High voltage indicator
06/16/2010CN101738531A Method for detecting output current of inverting welding machine
06/16/2010CN101738530A Electrolytic current detection circuit of variable-frequency washing machine
06/16/2010CN101738529A High-voltage power supply output sampling device and plasma device
06/16/2010CN101738528A Alternating current detection circuit for power factor correction control circuit
06/16/2010CN101738527A Alternating current input voltage magnitude test circuit for power factor correction control circuit
06/16/2010CN101738526A Direct current output voltage test circuit for power factor correction control circuit
06/16/2010CN101738525A Voltage test module
06/16/2010CN101738524A False signal eliminating circuit for low-voltage detection circuit
06/16/2010CN101738523A Device for detecting voltage of serially-connected cells
06/16/2010CN101738522A Control circuit for detecting alternating current and direct current by temperature comparison method
06/16/2010CN101738521A Sensing head of optical fiber type current sensor and preparation method thereof
06/16/2010CN101738520A Power-on information display apparatus
06/16/2010CN101285855B Self-focusing type optical current mutual inductor
06/16/2010CN101207272B Turn space protection for reactor sequence component direction
06/10/2010WO2010065675A1 Precise location and orientation of a concealed dipole transmitter
06/10/2010WO2010065615A1 Monitoring circuit having a self test function
06/10/2010WO2010065598A2 Primary-side based control of secondary-side current for a transformer
1 ... 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 ... 299