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)
04/2014
04/16/2014CN203551653U A multifunctional electronic measurement apparatus
04/16/2014CN203551652U Multifunctional electroprobe
04/16/2014CN203551651U A DC power system bus voltage AC component detecting circuit
04/16/2014CN203551650U Circuit porcelain insulator string leakage current state indicating device
04/16/2014CN203551649U Real-time detection circuit for over-current protection of frequency converter
04/16/2014CN203551648U Feedback vibration electroscope
04/16/2014CN203551647U Multifunctional insulating rod
04/16/2014CN203551646U Auxiliary rack for electroscope
04/16/2014CN203551645U Novel multifunctional test pencil
04/16/2014CN203551644U Low-cost automotive bus voltage difference detection system
04/16/2014CN203551643U One-time wiring apparatus for testing reference voltage and leakage current of 1000-kV lightning arrester
04/16/2014CN203551642U Data collector for three-phase current transformer control
04/16/2014CN203551641U Broadband voltage collector
04/16/2014CN203551640U Test circuit
04/16/2014CN203551639U Wireless sensing device for measuring circuit load current and temperature simultaneously
04/16/2014CN203551638U A PWM current measuring circuit for a driving valve group
04/16/2014CN203551637U Energy monitoring device of energy storage device of energy-storage electric traction vehicle
04/16/2014CN203551636U Transient current detection equipment
04/16/2014CN203551635U Long-distance visualization output voltage detector
04/16/2014CN203551634U Voltage measuring device
04/16/2014CN103731049A Current zero crossing point detection circuit and method, driving circuit and method, and switch power source
04/16/2014CN103728568A Method and device for detecting single lithium battery voltage
04/16/2014CN103728562A Vehicle battery pack cell voltage determination
04/16/2014CN103728489A High-voltage direct current meter
04/16/2014CN103728486A Novel high-precision electrical stability tester
04/16/2014CN103728485A Synchronous voltage detection device with protection function
04/16/2014CN103728484A Power cable puncture instrument and utilization method
04/16/2014CN103728483A Device and method for detecting current generation of secondary circuit due to disconnecting switch operation
04/16/2014CN103728482A Gas appliance flame ionization current detecting circuit and detecting method thereof
04/16/2014CN103728481A Method and device for detecting metal oxide arrester resistive current
04/16/2014CN103728480A Plug board type Rogowski Coil current sensor
04/16/2014CN103728479A Dust static real-time monitoring method
04/16/2014CN103728471A Arrester fast measuring device
04/16/2014CN103728049A High-voltage power transmission line temperature measurement system
04/16/2014CN103722505A Tool pliers
04/16/2014CN102608396B Current state judgment and dead-zone compensating method of frequency converter
04/16/2014CN102508097B Segmented detection device and detection method of line fault
04/16/2014CN102508013B Current alarm signal processing method for improved mathematical morphology filter
04/16/2014CN102507992B Test line for testing charging current and downloaded data
04/16/2014CN102496446B Zero magnetic flux direct-current current transformer
04/16/2014CN102495321B Method for generating and identifying non-linear signal in semiconductor non-linear oscillation system
04/16/2014CN102169139B Independently packaged ammeter sensor
04/16/2014CN101634667B Method and circuit for measuring average current of direct current motor
04/16/2014CN101413992B Features to reduce low-battery reporting to security services at night
04/16/2014CN101253412B Process and apparatus for estimating circuit delay
04/15/2014US8700347 Intelligent electronic device with enhanced power quality monitoring and communications capability
04/15/2014US8698487 Determining components of an electric service
04/15/2014US8698484 Over-voltage and over-temperature detecting circuit
04/10/2014WO2014053610A1 Frequency estimation
04/10/2014WO2014016357A3 Analysing rf signals from a plasma system
04/10/2014US20140100805 Status estimation apparatus, status estimation method
04/10/2014US20140100800 Method of monitoring a wind turbine
04/10/2014US20140097871 Latch comparator device and operation method thereof
04/10/2014US20140097828 Current-Monitoring Apparatus
04/10/2014US20140097826 Current sensor
04/10/2014US20140097824 Current Measurement Via Gate of External Transistor
04/10/2014US20140097691 Intelligent power sensing device
04/10/2014DE102013217332A1 Fahrzeug-batteriepackungszelle-spannungsbestimmung Vehicle battery pack cell-voltage specifications
04/10/2014DE102012004913B4 Vorrichtung zur Bestimmung eines zu einem Verhältnis von Induktivitäten bzw. Kapazitäten zweier induktiver bzw. kapazitiver Bauteile proportionalen Messwerts und entsprechendes Verfahren Means for determining a to a ratio of inductances or capacitances of two inductive or capacitive components proportional measurement value and corresponding method
04/10/2014DE102011082554B4 Verfahren zur Bestimmung eines Erdschlussstroms in einem erdschlussbehafteten Drehstromnetz A method for determining an earth leakage current in an earth-faulted phase power supply
04/09/2014EP2715383A2 Method for estimation state of health for ess
04/09/2014EP2715381A2 Method and apparatus pertaining to automatic electrical-fault detection
04/09/2014EP2715376A1 Transition detection method for automatic-setup non-intrusive appliance load monitoring
04/09/2014CN203537524U Set-top box having overvoltage undervoltage alarm function
04/09/2014CN203537523U Set-top box having overvoltage automatic shutdown protection function
04/09/2014CN203536931U Current monitoring system
04/09/2014CN203536661U Signal detection device
04/09/2014CN203535195U System for testing batteries based on PXI bus technology
04/09/2014CN203535133U Switchgear cabinet electrical test device
04/09/2014CN203535131U Remote signal indication device for anti-thunder product
04/09/2014CN203535127U Zinc oxide lightning arrester on-line monitor
04/09/2014CN203535110U Zero-sequence current acquiring and preprocessing circuit
04/09/2014CN203535109U A zero voltage control circuit
04/09/2014CN203535108U Storage battery voltage detecting circuit
04/09/2014CN203535107U Low power AC power-off alarming circuit
04/09/2014CN203535106U Anti-electric leakage power pole
04/09/2014CN203535105U Instrument for online monitoring of voltage quality
04/09/2014CN203535104U Magnetic circuit of open loop direct current high current detection device
04/09/2014CN203535103U A power supply vehicle voltage detecting device based on the control of a programmable logic controller
04/09/2014CN203535102U Colossal magnetoresistance effect current sensor
04/09/2014CN203535101U Sensitive fiber grating voltage sensor
04/09/2014CN203535100U Thunder and lightning test device
04/09/2014CN103718440A A controller for a voltage converter
04/09/2014CN103718051A Circuit for conducting electric current
04/09/2014CN103715908A Alternating current-alternating current frequency converter voltage and current variable period sampling method
04/09/2014CN103715898A Feedback voltage sampling circuit, and feedback voltage blanking circuit and method
04/09/2014CN103715650A Differential protection device based on Faraday magneto-optical effect
04/09/2014CN103714983A Detachable multifunctional electric-testable insulation rod
04/09/2014CN103714734A Environment protection type potentiometer experiment box
04/09/2014CN103713552A Self-adaptive dynamic synchronous sampling control device and method based on pulse per second
04/09/2014CN103713210A Dry power transformer monitoring and diagnosis system
04/09/2014CN103713187A Distribution transformer monitoring device
04/09/2014CN103713186A Motor terminal voltage measuring instrument of alternating current frequency conversion motor
04/09/2014CN103713185A Motor terminal voltage measuring instrument of alternating current frequency conversion motor
04/09/2014CN103713184A Memory body sensor selection method
04/09/2014CN103713183A CVT embedded power-grid voltage harmonic-wave monitoring system
04/09/2014CN103713182A Monitoring circuit and system for voltages in chip
04/09/2014CN103713181A Tiny current signal detecting device
04/09/2014CN103713180A Optical fiber current sensor sensitive coil capable of being wound freely and manufacturing method
04/09/2014CN103713179A Fiber assembly current dynamic test system
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