Patents
Patents for G01R 19 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof (29,850)
07/2010
07/28/2010CN201536257U 施工现场的视频服务器用ups系统 The construction site of a video server system with ups
07/28/2010CN201536253U 一种usb过流检测和控制电路 One kind of usb overcurrent detection and control circuit
07/28/2010CN201535815U Ampere-hour detection circuit of battery
07/28/2010CN201535799U Adapter plate of current sensor
07/28/2010CN201535798U 异常电压检测报知装置 Abnormal voltage detection warning device
07/28/2010CN201535790U Automobile circuit check pen
07/28/2010CN201535784U 一种老化测试基板 A burn test substrate
07/28/2010CN201535719U External-open type automotive skylight detecting platform
07/28/2010CN101790689A Measuring and/or switching device
07/28/2010CN101789687A Average current mode controller based on inductance current self-calibration lossless detection
07/28/2010CN101789681A Power supply apparatus with open loop protection
07/28/2010CN101789580A Fault detection and protection method of power-supply system and device for realizing same
07/28/2010CN101789579A Output voltage feedback device for power supply device with feedback line and power supply device
07/28/2010CN101789267A Measuring method of intrinsic threshold voltage of nonvolatile memory
07/28/2010CN101788639A APD (Angular position digitizer) voltage and temperature curve testing device and use method thereof
07/28/2010CN101788619A Infrared detector for surge protector
07/28/2010CN101788618A Brand-new detector for surge protector
07/28/2010CN101788617A Magnetic energy detector for surge protector
07/28/2010CN101788616A Surge protector detecting device based on temperature sensor
07/28/2010CN101788603A VFTO measuring system
07/28/2010CN101788602A Earth leakage tester, earth leakage circuit breaker equipped with the same, circuit breaker, and insulation monitor
07/28/2010CN101788601A Signal detector and detection method thereof
07/28/2010CN101788600A Non-contact type high-voltage AC electroscopy
07/28/2010CN101788599A Current acquisition system fault detection and processing method for mild hybrid electric vehicle
07/28/2010CN101788598A Voltage peak detection circuit and operating method thereof
07/28/2010CN101788597A Three-phase three-wire system phase voltage measuring method
07/28/2010CN101788596A Tunnel junction magneto-resistance effect principle (TMR) current sensors
07/28/2010CN101788595A Method for calculating angular side circulation current of power transformer
07/28/2010CN101788594A Non-contact type superconduction belt material critical current measuring device
07/28/2010CN101788593A State monitoring and analysis system of power cable sheath grounding current and method thereof
07/28/2010CN101788592A New method for measuring three-phase current
07/28/2010CN101788581A Ammeter drive output circuit carried by motor protector
07/28/2010CN101339208B Voltage quality monitoring and perturb automatic classification method based on analysis in time-domain
07/27/2010US7764472 Method for checking electrical safety of a household appliance and corresponding household appliance
07/27/2010US7764061 Method for detecting objects enclosed in a medium, and measuring device for carrying out the method
07/27/2010CA2491108C Distance tolerant leadless current sensor
07/22/2010WO2010082115A1 Method for measuring an electrical current
07/22/2010WO2010042717A3 Method and apparatus for determining ac voltage waveform anomalies
07/22/2010US20100185406 Wireless remote detector systems and methods
07/22/2010US20100185336 Integrated and optimized distributed generation and interconnect system controller
07/22/2010US20100182036 Electrostatic chuck power supply
07/22/2010US20100181989 Method for inductive generating of an electrical measurement signal and related sensor device
07/21/2010EP2208077A2 Current integrator with wide dynamic range
07/21/2010CN201533159U Multi-point grounding online monitoring device of transformer iron core
07/21/2010CN201533150U Signal collection controller
07/21/2010CN201533106U Anti-error electromagnetic lock of grounding switch of 10kV ring network cabinet
07/21/2010CN201532448U Accumulator cell voltage sampling circuit of discharging machine
07/21/2010CN201532431U Indicating alarm detecting the residual current on-line
07/21/2010CN201532423U Integrated full auto tester of transformer loss parameter
07/21/2010CN201532416U Intelligent cable monitor
07/21/2010CN201532415U Practical electricity measurer
07/21/2010CN201532414U voltage indicator
07/21/2010CN201532413U Lightning arrester monitoring device
07/21/2010CN201532412U Device for calibrating voltage of baseband for PHS (Personal Handy-phone System) mobile phone
07/21/2010CN201532402U Novel bipolar power supply
07/21/2010CN101784903A Adaptive filters for fiber optic sensors
07/21/2010CN101784153A Human body electrostatic discharge alarm apparatus
07/21/2010CN101783558A Self-voltage-stabilizing permanent magnet AC generator and method thereof
07/21/2010CN101782611A On-line detector of surge protector
07/21/2010CN101782606A Structure of high-voltage photoelectric conversion voltage sensor
07/21/2010CN101782605A Digital diaphragm-vibrating type current sensor
07/21/2010CN101782604A Device for displaying electrification warning via laser holographic character
07/21/2010CN101782603A Flat-plate VFTO measuring sensor
07/21/2010CN101782602A Transformer inrush current identification method based on suddenly-change sampling value and blocking relay
07/21/2010CN101782601A Concatenation-type fiber bragg grating self-demodulation current sensor
07/21/2010CN101425031B Multi voltage reference position detection circuit
07/21/2010CN101025427B Method for judging leakage current in integrated circuit and MOS element
07/20/2010US7759981 Amplifying circuit of semiconductor integrated circuit
07/20/2010US7759945 Sensor including dual range, application specific integrated chip (ASIC)
07/20/2010US7759939 Sensor for locating metallic objects and method for evaluating measurement signal of such a sensor
07/15/2010US20100179780 Determination of distribution transformer voltages based on metered loads
07/15/2010US20100179779 Distribution system analysis using meter data
07/15/2010US20100179778 Embedded monitoring system for batteries
07/15/2010US20100176794 Signal Detector And Signal Detection Method
07/15/2010US20100176788 Current detecting apparatus
07/15/2010DE102009054892A1 Magnetfeldstromsensoren Magnetic current sensors
07/14/2010EP2207041A1 Motor overload protecting method
07/14/2010CN201528224U High-tension line electrified detecting and locking device
07/14/2010CN201528180U Voltage extracting device
07/14/2010CN201527460U Distribution feeder fault locating terminal unit
07/14/2010CN201527449U DSP-based short circuit detection protective device
07/14/2010CN201527448U Embedded power quality monitoring system
07/14/2010CN201527447U Current crossover point detection device for an electric machine soft starter
07/14/2010CN201527446U Current detecting device on high-voltage and ultra-high-voltage power transmission lines
07/14/2010CN201527445U Low-noise zero voltage detection circuit
07/14/2010CN201527444U High-speed current detection circuit
07/14/2010CN201527443U Pipeline tester
07/14/2010CN201527442U Spot detection unit in three-level frequency-conversion circuit
07/14/2010CN201527441U Detection device for tripping and switching signals of control circuit of circuit breaker
07/14/2010CN201527346U Portable air valve detection integrated system
07/14/2010CN201527304U Electronic weighing instrument anti-cheating device
07/14/2010CN201523706U 2.4G wireless audio communication alarm helmet
07/14/2010CN101776713A Direct capacitance-digital converter
07/14/2010CN101776710A High voltage DC power transmission line shielding failure current waveform inversion recovery method
07/14/2010CN101776709A Measurement method used for characterizing light current of ferroelectric film
07/14/2010CN101776708A Multichannel voltage collecting device and method
07/14/2010CN101776707A Current detection device
07/14/2010CN101776706A Current sensor having coil mounted to current carrying bus and related system
07/14/2010CN101776531A Soft sensing method for load parameter of ball mill
07/14/2010CN101776523A Automatic guided vehicle maintenance and repair prompt guiding device