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)
09/2010
09/01/2010CN201569708U Switchgear cabinet comprehensive state intelligent monitoring alarm device
09/01/2010CN201569705U Monitoring device for ground wire resistance and current of distribution transformer
09/01/2010CN201569700U Panel insertion type digital DC ammeter
09/01/2010CN201569699U Voltage collector
09/01/2010CN201569698U Zero-crossing signal detection device for air conditioner switching power supply
09/01/2010CN201569697U Oil gas pipeline current density measuring system
09/01/2010CN201569696U Voltage sampler
09/01/2010CN201569695U High-precision current sampling circuit for servo system
09/01/2010CN201569694U Voltage measurement device
09/01/2010CN201569693U Multi-range switching value output type voltage sensor
09/01/2010CN201569692U Automobile instrument comprehensive checking device
09/01/2010CN201569691U Electric power quality monitoring and synchronous phasor monitoring device of power system
09/01/2010CN201569690U Current detection device for air conditioner controller
09/01/2010CN101821635A Wireless remote detector systems and methods
09/01/2010CN101820231A Current zero-crossing detection and dead zone compensation method used for frequency converter
09/01/2010CN101819464A Wearable electrical apparatus
09/01/2010CN101819257A Generator rotor parameter measuring device
09/01/2010CN101819248A Semiconductor device measuring voltage applied to semiconductor switch element
09/01/2010CN101819243A Area information based quiescent voltage unstability prediction method
09/01/2010CN101819228A Hall current sensor based current detection device
09/01/2010CN101819227A 800kV extra-high voltage direct-current non-contact multichannel distance measurement type electroscope
09/01/2010CN101819226A 1000kV extra-high voltage alternating-current non-contact multichannel distance measurement type electroscope
09/01/2010CN101819225A Magneto-optical current sensor and manufacturing method thereof
09/01/2010CN101819224A Lightning current measuring transducer based on differential ring
09/01/2010CN101819223A Voltage and current sampling circuit and voltage and current sampling method in three-phase four-wire circuit
08/2010
08/31/2010US7786720 Passive mixer power detector method and apparatus
08/26/2010WO2010056365A3 Method and apparatus for circuit simulation
08/26/2010WO2010046758A3 Apparatus and method for active voltage compensation
08/26/2010US20100213079 Microsecond response electrochemical sensors and methods thereof
08/26/2010DE202010009370U1 Zusammenmontierbare Meßstäbe für Stromzähler Together Leaded dipsticks for electricity meters
08/26/2010DE202010009369U1 Multimeter mit einem flexiblen Stromsensor Multimeter with a flexible current sensor
08/25/2010EP2219730A1 Battery depletion detection in an implantable device
08/25/2010CN201563059U Control device of low power hybrid system
08/25/2010CN201562951U Fault arc protection device
08/25/2010CN201562335U Temperature measurement type electric fire monitoring system
08/25/2010CN201562027U Composite current transformer and on-line detection device for lightning arrester
08/25/2010CN201562022U On-line electric energy quality monitoring instrument and on-line electric energy quality monitoring system
08/25/2010CN201562010U Standard electric energy meter
08/25/2010CN201562009U Universal panel type digital alternating current voltmeter
08/25/2010CN201562008U Milliampere meter
08/25/2010CN201562007U Intelligent non-contact type high-voltage electroscope
08/25/2010CN201562006U Alarming pliers for electric power line grounding safety detection
08/25/2010CN201562005U Novel passive high voltage charge indicator
08/25/2010CN201562004U Circuit for measuring two ways of load current
08/25/2010CN201562003U Measuring transducer for alternating voltage of airfield lights
08/25/2010CN201562002U Data acquisition device for zipper cloth tape weaving machine
08/25/2010CN201562001U Direct current bus voltage sampler of intermediate-voltage transducer
08/25/2010CN201561806U Power transmission line conducting wire joint temperature monitoring device
08/25/2010CN201559022U Resistance welding device with current monitoring function
08/25/2010CN101814716A Current signal detecting switch and valve control and fault protection device
08/25/2010CN101813748A Method for detecting noise of integrated circuit substrate
08/25/2010CN101813737A Multifunctional power failure recorder
08/25/2010CN101813724A Test pencil
08/25/2010CN101813723A Non-contact type direct current measuring method
08/25/2010CN101526557B Electricity steal-resistance load management method
08/25/2010CN101271671B Ghost wiping circuit and its method and display equipment control circuit
08/25/2010CN101089635B Device for current overload prealarm prompt on PCB circuit board
08/24/2010US7782128 Sign detection device and associated method
08/19/2010WO2010093758A1 Systems and methods for detecting electrical line faults
08/19/2010WO2010053326A3 Apparatus and method for synchronizing and measuring the current and voltage of a secondary battery pack
08/19/2010US20100211342 Current Generating Device for the Generation and Simultaneous Monitoring of a Measuring Current
08/19/2010US20100211222 Method and apparatus for comprehensive energy measurement and analysis of a building
08/19/2010US20100210008 Configurable Microfluidic Substrate Assembly
08/19/2010US20100208404 Power supply control apparatus including overcurrent detection circuit
08/19/2010US20100207625 Current sensor
08/19/2010US20100207605 Power supply control apparatus including overcurrent detection circuit
08/19/2010US20100207601 Method and Apparatus for Monitoring Leakage of a Faraday Cup
08/18/2010EP2219040A1 Combined toroid/shunt measuring device
08/18/2010CN201556292U Remote controller
08/18/2010CN201555941U 10 to 500kV high-voltage frequency conversion tester
08/18/2010CN201555924U On-line monitoring device of intelligent cable
08/18/2010CN201555922U Device on detecting reverse connection of power supply and electrification of ground wire
08/18/2010CN201555919U On-line insulation test instrument for track circuit
08/18/2010CN201555911U On-line monitoring device of intelligent arrester
08/18/2010CN201555896U Circuit for calculating electromotor currents in variable frequency controller
08/18/2010CN201555895U Single-phase digital current/voltage measuring instrument
08/18/2010CN201555894U Nuclear impulse peak sampling device
08/18/2010CN201555893U Distribution type alternating current sampling device
08/18/2010CN201555892U Multifunctional safety instrument test box
08/18/2010CN201555891U Nine-current and four-voltage measuring device
08/18/2010CN201555890U Anode current distribution measuring instrument of movable type aluminium electrolysis bath
08/18/2010CN201555889U Cutting live cable alarm
08/18/2010CN201555888U Current detection circuit
08/18/2010CN201555887U Circuit for calculating effective value of electromotor current in variable frequency controller
08/18/2010CN201555886U Buried gas pipeline stray current neural fuzzy control energy-saving electric drainage device
08/18/2010CN201555885U Multi-point dynamic detection device used for detecting cable current and identifying cable
08/18/2010CN201555884U Thermo-electrical potential measuring system
08/18/2010CN201555883U Power supply circuit, detection circuit and mobile communication terminal
08/18/2010CN201555882U Multi-range voltage measuring device
08/18/2010CN201555881U Charging detection combination
08/18/2010CN201555880U Device for measuring current distribution of anode of non-equilong fork-head aluminum electrolytic cell
08/18/2010CN201555879U Parameter measuring instrument of induction circuit
08/18/2010CN201555595U Multifunctional electric vehicle road tester
08/18/2010CN1945341B Method for testing the serviceability of transducers
08/18/2010CN101807334A Residual-current electrical fire monitor
08/18/2010CN101807106A Standby circuit of handheld device and awaken method thereof
08/18/2010CN101806875A Diagnosis detecting method of piezoelectric executor and device thereof
08/18/2010CN101806868A Insulation and wet leakage current test device
08/18/2010CN101806867A Method and device for measuring electric quantity of mobile phone battery
08/18/2010CN101806848A Detection device for preventing mis-wiring of voltage transformer and detection method thereof
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