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