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)
09/2012
09/19/2012CN102680774A On-line monitoring sensor for lighting arrester
09/19/2012CN102680773A Automatic detection method of properties of tractor of washing machine
09/19/2012CN102680772A Method and system for processing data by utilizing detector
09/19/2012CN102680771A Novel electroscope
09/19/2012CN102680770A Differential measurement method and device for arc current density
09/19/2012CN102680769A Three-phase voltage asymmetric ip-iq detection method
09/19/2012CN102680768A Mono-polar type voltage measurement sensor with self-correction and self-construct electric filed and measurement method
09/19/2012CN102680767A Thermally-stimulated current tester
09/19/2012CN102680766A Three-phase voltage sampling circuit for control and protection switches
09/19/2012CN102680765A Method for testing current of camera connecting plate and clamp thereof
09/19/2012CN102680764A Closed-loop Hall current sensor
09/19/2012CN102680763A Photovoltage measuring device
09/19/2012CN102680762A Unscented-Kalman-filter-based wind farm generator terminal voltage measuring method and application thereof
09/19/2012CN102680761A Electric logging method and system for subsurface instruments
09/19/2012CN102680434A Light current spectrum high throughput testing device of materials under atmosphere environment
09/19/2012CN102680399A Chip and apparatus for high-flux testing gas-phase photoelectric properties of semiconductor
09/19/2012CN102673417A Battery system and integrated circuit
09/19/2012CN101895094B Method for measuring and calculating overload protection setting value of high-voltage motor
09/19/2012CN101762773B Detection method and detection device for ground protection of high-voltage equipment
09/19/2012CN101762734B Output voltage detection circuit and switching power supply
09/19/2012CN101149402B Electric current detector
09/18/2012US8269526 Apparatus for detecting presence or absence of oscillation of clock signal
09/18/2012US8269482 Intelligent electronic device having circuitry for reducing the burden on current transformers
09/18/2012US8269480 Method and apparatus for identifying and reducing spurious frequency components
09/18/2012US8269479 Mechanical support device and a measuring device with a mechanical support device
09/17/2012CA2771654A1 Isolated current sensor
09/13/2012US20120229122 Current input converter
09/13/2012DE102011005411A1 Energiespeicher- und Ladeverfahren Energy storage and charging method
09/13/2012DE102011005165A1 Coil for detecting magnetic field in current sensor utilized to measure current flowing through electrical conductor, has winding carrier provided with winding whose diameter in certain position is greater than narrower diameter
09/13/2012DE102011001185A1 Circuit for determining phase current of serially connected circuit breakers for controlling drive motor of power steering system, determines phase of voltage and current based on resistance value of junction temperature
09/12/2012CN202435376U Current direction detection circuit, and system and device for preventing interface current backflow
09/12/2012CN202433443U Electronic circuit for core-through type high-precision open-loop Hall current transducer
09/12/2012CN202433442U Current harmonic detection system based on improved FBD (Function Block Diagram) algorithm and DSP (Digital Signal Processor) technology
09/12/2012CN202433441U Voltage sensing device for wind power current transformer
09/12/2012CN202433440U Programmable intelligent microcurrent measurement display system
09/12/2012CN202433439U Interface signal detecting and warning circuit
09/12/2012CN202433438U Test pencil with double cutting head
09/12/2012CN202433437U Pulse signal peak level detection system
09/12/2012CN202433436U Current measuring system of electric furnace
09/12/2012CN202433435U IGBT over-current protection circuit
09/12/2012CN202433434U Three-range voltage measuring instrument
09/12/2012CN202433433U Analog-to-digital (AD) conversion device used for monitoring high-frequency currents
09/12/2012CN202433432U Power frequency AC measuring stick
09/12/2012CN202433420U Three-phase electric energy recording analyzer
09/12/2012CN202425663U Gloves with alternating-current alarm function
09/12/2012CN102664389A Stabilizing rectifier with fault indicator
09/12/2012CN102662124A Portable type multifunctional serial electric detector
09/12/2012CN102662121A System and method for detecting failure of super capacitor module
09/12/2012CN102662115A Online monitoring circuit and method for series compensation spark gap voltage divider loop
09/12/2012CN102662105A Circuit, framework, apparatus and method for determining AC or DC bias in AC coupling signals
09/12/2012CN102662104A Zero-crossing detection method and circuit
09/12/2012CN102662103A Method for preventing false alarms of alarm device
09/12/2012CN102662102A Detection method for capacitor voltage transformer (CVT) monitoring device for measuring metal oxide arrester (MOA) three-phase voltage
09/12/2012CN102662101A Detection method for metal oxide arrester (MOA) resistive current portable monitoring equipment
09/12/2012CN102662100A Detection method for MOA (manager office automation) resistive current detecting system
09/12/2012CN102662099A Safety monitor for braking resistor of track locomotive
09/12/2012CN102662098A Method for measuring high voltage and high resistance by means of ratio overlaying
09/12/2012CN102662097A Broadband online measurement sensor for DC extra-high voltage corona current
09/12/2012CN102662096A Method for measuring surface photovoltage of semiconductor material
09/12/2012CN102662095A Three-phase voltage sampling circuit
09/12/2012CN102662094A Dynamic characteristics calibration method of current/frequency conversion circuit
09/12/2012CN102661812A Method for improving temperature detection precision of motor winding
09/12/2012CN101853554B Fireproofing pre-warning monitoring method for unmanned base station and system thereof
09/11/2012US8265891 Method for determining the actual amount of energy available in an energy storage module
09/11/2012US8265821 Method for determining a voltage level across an electric circuit of a powertrain
09/11/2012US8264247 Electric potential sensor
09/07/2012WO2012118589A1 Dc bus voltage control
09/07/2012WO2012118219A1 Voltage detection apparatus and method of reducing dispersion of dark currents
09/07/2012WO2012117275A2 Current sensor
09/07/2012WO2012116967A1 Battery module and battery with redundant cell voltage detection
09/06/2012US20120226383 Low Maintenance Spa Control System
09/06/2012US20120223697 Sensor for measuring electrical characteristics
09/06/2012US20120223696 Systems and Methods for Current Sensing Over an Extended Area
09/06/2012DE102011012818A1 Method for operating rechargeable battery that is utilized for supplying current to electromotor for driving e.g. electric car, involves determining square value of current supplied to battery, and operating battery based on square value
09/06/2012DE102011004980A1 Batteriemodul und Batterie mit redundanter Zellspannungserfassung Battery and battery module with redundant cell voltage detection
09/05/2012CN202424548U Energy obtaining unit and passive high voltage on-line monitoring device
09/05/2012CN202424108U Power supply detection and control circuit
09/05/2012CN202424014U Insulation bar for 220kV and 66kV circuit external-damage prevention warning instrument
09/05/2012CN202423993U Electrified induction earth wire operating insulation rod
09/05/2012CN202421808U Intelligent power system for primary and secondary clocks
09/05/2012CN202421479U Multi-parameter test device
09/05/2012CN202421476U Power supply voltage detection circuit applied to bean juice maker
09/05/2012CN202421467U Battery voltage and temperature data acquisition system
09/05/2012CN202421463U Circuit for measuring voltages of 13 serially connected battery packs
09/05/2012CN202421457U Motor over-current detection circuit
09/05/2012CN202421438U On-line diagnosis device of relay protective device
09/05/2012CN202421406U Leakage current monitoring system of intelligent power transmission line insulator
09/05/2012CN202421376U Cable protective layer protector detecting device
09/05/2012CN202421365U Reliability detecting device of miniature fuse used for nuclear power station
09/05/2012CN202421364U Power distribution load monitoring recorder
09/05/2012CN202421336U High-accuracy magnitude-phase detecting system
09/05/2012CN202421332U High precision electric parameter analyzer
09/05/2012CN202421324U Basic electric quantity type efficiency data acquisition terminal
09/05/2012CN202421322U Confluence monitoring device with temperature compensation function
09/05/2012CN202421321U Current sensor
09/05/2012CN202421320U Temperature compensator for Hall detection current sensor
09/05/2012CN202421319U Pulse generation control circuit, pulse generator and voltage-measuring circuit thereof
09/05/2012CN202421318U Large transformer bias current monitoring and early warning system
09/05/2012CN202421317U Capacitance inductance automatic tester for vehicle loading usage
09/05/2012CN202421316U Single-phase current or voltage electric power measuring instrument with voice warning function
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