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
09/16/2010DE102009013274A1 Circuit breaker for low voltage circuit breaker, has electromechanical component with switching contact, where current measuring converter for detecting current flowing through switching contact
09/16/2010DE102009013273A1 Sensoranordnung zur Messung elektrischer Potentiale Sensor system for measuring electrical potentials
09/15/2010CN201584951U Direct current voltage sampling comparison circuit
09/15/2010CN201584917U Measurement and control system for photovoltaic power stations
09/15/2010CN201584761U Overvoltage detection circuit
09/15/2010CN201584738U Direct fine tuning type electricity testing ground ring
09/15/2010CN201584591U Small pluggable electrical connection module
09/15/2010CN201584237U Disc type insulator
09/15/2010CN201583631U Online-detecting device and system of storage battery
09/15/2010CN201583627U APD voltage temperature curve testing device
09/15/2010CN201583622U Grounding current state monitoring and analysis system of power cable protecting layer
09/15/2010CN201583615U Advanced electric leakage detection module
09/15/2010CN201583605U Series power generation monitor of solar photovoltaic panel unit
09/15/2010CN201583604U Portable electrical measurement device with diode testing functions
09/15/2010CN201583603U Switch cabinet electricity testing lightning arrester on-line monitoring device
09/15/2010CN201583589U Digital voltmeter
09/15/2010CN201583588U Lithium niobate optical modulator half-wave voltage instrument
09/15/2010CN201583587U Circuit detecting device
09/15/2010CN201583586U Neon-electroscope with buttcock line
09/15/2010CN201583585U Electromagnet fault monitoring device
09/15/2010CN201583584U Harmonic current detection filter device of active power filter
09/15/2010CN201583583U Buried gas pipeline stray current detecting device
09/15/2010CN201583582U High-voltage detecting device of lamp tube inverter
09/15/2010CN201583581U Sensor circuit board of voltage-regulator used for automotive engine
09/15/2010CN201583580U Current transformer and current detection device
09/15/2010CN201583579U Monitoring device for monitoring electric current of solar photovoltaic panels
09/15/2010CN201583578U Multifunctional electric power environment monitoring device
09/15/2010CN201583574U Driving and outputting circuit of amperemeter attached to motor protector
09/15/2010CN101834425A Man-mobile phone-network double-communication power supply
09/15/2010CN101833071A High-precision internal resistance and voltage tester for lithium ion battery
09/15/2010CN101833062A Circuit checking method based on circuit checking instrument
09/15/2010CN101833051A Electrified tester for zinc oxide arrester
09/15/2010CN101833031A AC signal zero crossing detection circuit
09/15/2010CN101833030A Device for measuring effective value of alternating current for experimental teaching
09/15/2010CN101833029A Method and circuit for detecting bus voltage of wind power current transformer
09/15/2010CN101833028A Device convenient for testing output voltage of power supply
09/15/2010CN101833027A Non-contact type superconducting tape current-carrying capacity measuring device
09/15/2010CN101833026A Real-time on-line detection device of discharge current of ADSS (All Dielectric Self Supporting) cable
09/15/2010CN101833025A On-line detection method for dynamic response of excitation control system
09/15/2010CN101832754A Test method for detecting coordinate precision of numerical control equipment
09/15/2010CN101399008B Converter circuit with restart function and relevant display apparatus
09/15/2010CN101373196B Method and apparatus for measuring MgO exoelectron emission current
09/15/2010CN101216509B Voltage measurement method based on three phase instantaneous point
09/15/2010CN101191802B Electric energy metering chip creeping prevention method
09/14/2010US7795859 Low cost millimeter wave imager
09/10/2010WO2010082115A4 Method for measuring an electrical current
09/09/2010US20100228892 System and method for detecting the status of a universal serial bus port of a mobile phone
09/09/2010US20100227765 Method of Measuring Critical Current Value of Superconducting Wire
09/09/2010US20100225347 Circuit for Measuring Magnitude of Electrostatic Discharge (ESD) Events for Semiconductor Chip Bonding
09/09/2010US20100225300 Systems and Methods of Overvoltage and Undervoltage Detection
09/09/2010US20100225299 Wall scanner
09/08/2010EP2225639A1 Real-time system verification and monitoring of protective device settings within an electrical power distribution network
09/08/2010CN201577031U High-frequency and high-voltage power supply control circuit
09/08/2010CN201576962U Transmission line integrated monitoring device with strong reliability
09/08/2010CN201576931U Anti-overvoltage measurement and control device
09/08/2010CN201576891U Domestic intelligent electrical security distribution box
09/08/2010CN201576337U Electric fire monitor detector with liquid crystal Chinese character display for residual current
09/08/2010CN201576048U Thunder and lightning automatic monitoring system
09/08/2010CN201576047U Statistical voltage monitoring instrument
09/08/2010CN201576046U Condition monitoring and data recording system used on subway traction inverter
09/08/2010CN201576045U Current detecting device of displacement sensor
09/08/2010CN201576044U Three-phase voltage regulation testbed
09/08/2010CN201576043U Monitoring tap structure for end-screen leakage current signal of capacitor insulating casing
09/08/2010CN1956286B Detection of islanding in power grids
09/08/2010CN1928571B AC voltage sampling method and system
09/08/2010CN1808167B Magneto-optical sensors
09/08/2010CN1751539B Method of programming a hearing aid by a programming device
09/08/2010CN101825673A LED detection device
09/08/2010CN101825663A Multi-channel capacitive sensor, device with the same and method for measuring capacitance
09/08/2010CN101825657A Medium-high voltage single-core crosslinked cable induction voltage and circular-current online detection method and device
09/08/2010CN101825656A Method for rapidly testing half-wave voltage value of lithium niobate optical modulator
09/08/2010CN101825655A Electric furnace load automatic detection recorder
09/08/2010CN101825654A Self energy supply lightning current detection system
09/08/2010CN101825653A Capacitance apparatus and system for measuring high voltage element voltage and gas insulated transformer substation
09/08/2010CN101413969B Signal conditioning circuit for high precision measuring uV level voltage
09/08/2010CN101196540B Voltage detecting circuit
09/08/2010CN101187686B Tube bus corona inception voltage and extinction voltage test judging method
09/08/2010CN101144850B Fuel cell voltage attenuation quick determination method and device
09/08/2010CN101082641B Signal line tester of flight control system for testing airplane THS motor
09/07/2010US7791347 Battery assembly with enhanced properties
09/07/2010US7791328 Method and system for calibrating a motor control circuit to improve temperature measurement in an electrical motor
09/07/2010US7791319 Circuit and method of operation for an electrical power supply
09/02/2010WO2010098090A1 Voltage polarity discrimination circuit and electrical load measuring circuit
09/02/2010US20100223018 Systems for monitoring data from points along voltage transmission lines
09/02/2010US20100219965 Locating device
09/02/2010US20100219880 Level detector, voltage generator, and semiconductor device
09/02/2010US20100219853 Method of Testing a Display Panel and Apparatus for Performing the Method
09/02/2010DE102009009724A1 Method for monitoring output signal of high frequency amplifier circuit, involves providing output amplifier to amplifier circuit, where power consumption of output amplifier, is measured
09/01/2010EP2224587A1 Induced voltage detector circuit, motor drive semiconductor device having the same, motor and air conditioner
09/01/2010EP2223130A1 Method for measuring an alternating voltage and corresponding measuring circuit
09/01/2010CN201571000U Measuring device of peak-value sunshine duration
09/01/2010CN201570904U Three-phase intelligent alternating current power distribution box
09/01/2010CN201570891U Electrification railway main transformer measuring-control device applicable to passenger transport private line
09/01/2010CN201570790U Adjustable high pressure switch cabinet electrical test device
09/01/2010CN201570559U Nickel-hydrogen battery smart charger
09/01/2010CN201569732U Power supply supervisory circuit
09/01/2010CN201569722U Monitoring system for power distribution network
09/01/2010CN201569720U Connection test box for locomotive
09/01/2010CN201569718U On-line monitoring device for two-point earthing of AC voltage and current secondary loop
09/01/2010CN201569713U Reactor voltage time area testing device
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