Patents
Patents for G01R 29 - Arrangements for measuring or indicating electric quantities not covered by groups (11,937)
05/2011
05/11/2011CN201828616U Distribution substation load pre-alarming device
05/11/2011CN201828615U Motor detector
05/11/2011CN201828614U Power grid state detecting device
05/11/2011CN201828531U Fabric anti-electromagnetic radiation detection instrument
05/11/2011CN102057285A Test arrangement for testing surge voltage in electrical high voltage components
05/11/2011CN102053203A Detection method and device for high-voltage power quality
05/10/2011US7940040 Foil-leaf electrometer for static field detection with triggered indicator
05/05/2011WO2011053939A2 Field disturbance sensing system
05/05/2011WO2011052879A2 System and method using a miniature model to assess power transmission line characteristics
05/05/2011WO2011051537A1 Over-the-air test
05/05/2011US20110102277 Method and Device for Measuring a Radiation Field
05/05/2011US20110102276 Multidimensional rf test fixture and method for securing a wireless device for rf testing
05/05/2011US20110102275 Rf test fixture and method for securing a wireless device for rf testing
05/05/2011US20110101786 Method and apparatus for anti-islanding of distributed power generation systems
05/05/2011DE102009051969A1 Verfahren und Vorrichtung zum Vermessen eines Strahlungsfelds Method and apparatus for measuring a radiation field
05/05/2011CA2777882A1 Over-the-air test
05/04/2011EP2316039A1 Electroporation system with dial-in time constant
05/04/2011CN201819976U Fuel metering system and metering method
05/04/2011CN201819920U Complex patchboard of full-automatic transformer-ratio bridge
05/04/2011CN102043077A Full-automatic variable bridge
05/04/2011CN101246192B Miniature three-dimensional electric field sensor
05/04/2011CN101017184B Method for surveying generation source of electromagnetic waves, and current probe used therefor
05/04/2011CA2719193A1 Method and device for measuring a radiation field
05/03/2011US7937232 Data timestamp management
05/03/2011US7936175 Full function test for in situ test of sensors and amplifiers
04/2011
04/28/2011WO2011048203A1 Device for measuring lightning current in the tower of a wind turbine
04/28/2011WO2011047784A1 Electrical appliance which can be supplied by an ac power network and fault detection method
04/28/2011WO2011047699A1 Test device and test method for measuring a phase noise of a test signal
04/28/2011WO2011047698A1 Apparatus comprising a recursive delayer and method for measuring a phase noise
04/28/2011US20110095950 Method and system for testing the radiation performance of wireless terminal based on data mode
04/28/2011DE102009049304A1 Device for converting charge into pulse length for use in semiconductor photodetector of e.g. gamma camera in nuclear medicine, has converting unit converting discharge time of capacitor still reaching residual charging
04/28/2011CA2777548A1 Fault detection using phase comparison
04/27/2011EP2315310A2 Surface-mountable antenna with waveguide connector function, communication system, adaptor and arrangement comprising the antenna device
04/27/2011CN201811999U Non-contact electrostatic induction sensor
04/27/2011CN201811998U Three-phase alternating current (AC) phase sequence detecting device
04/27/2011CN201811997U Three-phase detection equipment
04/27/2011CN102036283A Method and device for testing correlation indexes of MIMO antenna
04/27/2011CN102033225A B mode-based secondary radar antenna online detection method
04/27/2011CN102033191A Partial discharge detector for gas insulated electric apparatus
04/27/2011CN102033170A Online measuring device of charge density of oil electrification in transformer
04/27/2011CN102033169A Method for measuring piezoelectric strain constant d33 of zinc oxide nano-rod array film
04/27/2011CN102033168A Lightning stroke early warning device
04/27/2011CN102033167A Electromagnetic radiation intensity detection device and method
04/27/2011CN101603991B Electric field detector based on CMOS6 NOT gate
04/26/2011US7933727 Method and device for interference suppression in electromagnetic multi-channel measurement
04/26/2011US7932731 Device and method for testing a noise immunity characteristic of analog circuits
04/26/2011US7932730 System for inspecting electromagnetic coupling modules and radio IC devices and method for manufacturing electromagnetic coupling modules and radio IC devices using the system
04/21/2011WO2011047379A2 Electromagnetic field detection systems and methods
04/21/2011WO2011047377A2 Electromagnetic field detection systems and methods
04/21/2011WO2011046406A2 Apparatus and method for testing electromagnetic susceptibility of on-line electric vehicle
04/21/2011DE10196047B4 Zitterschätzvorrichtung Jitter estimator
04/21/2011CA2777814A1 Electromagnetic field detection systems and methods
04/20/2011CN201804054U Failure detection system for alternating-current switch machine
04/20/2011CN201804050U Vibrating capacitor type electrostatic sensor having laser positioning function
04/20/2011CN201804049U Three-phase power supply open-phase warning circuit
04/20/2011CN201804048U Voice alarm device for electric power overhaul
04/20/2011CN201804047U Signal strength testing device for wireless dispatchers supervision system
04/20/2011CN1947020B Method and device for measuring with synchronous detection and correlated sampling
04/20/2011CN102023263A Detection system of piezoelectric material
04/20/2011CN102023262A Method for recognizing arc grounding overvoltage of 35 kV power grid
04/20/2011CN101539600B Improvement method of diffraction Gaussian beam analysis algorithm
04/20/2011CN101413975B Three-phase power input phase lack detection circuit
04/20/2011CN101048669B Method and system for detecting the phase wiring of an unknown phase voltage relative to a reference phase voltage
04/19/2011US7930121 Method and apparatus for synchronizing time stamps
04/19/2011US7928906 Antenna measurement systems
04/19/2011US7928772 Clock input filter circuit
04/19/2011CA2525158C A specific absorption rate measuring system, and a method thereof
04/19/2011CA2511134C Measurement system of specific absorption rate
04/14/2011US20110084887 System for testing multi-antenna devices
04/14/2011DE102010046904A1 Optimieren von Arbeitspunkten für ein Halbleiterelement Optimizing operating points for a semiconductor element
04/14/2011DE102009048477A1 Method for detecting and locating electro-static discharges, particularly in electronic component, involves evaluating electro-static discharge as impulse in monitoring area, where impulse is detected in detection area
04/13/2011EP2307911A2 Surveying a subterranean structure using electromagnetic measurements and microorganism content data
04/13/2011CN201796091U Electrostatic induction device for collecting and measuring electrostatic signals of gas-phase and solid-phase flow
04/13/2011CN201796090U Specific medium invisible structure quick-measuring device
04/13/2011CN201796089U Simple and portable harmful electromagnetic radiation detecting device
04/13/2011CN201796088U Test container for SAR performance of data card antenna
04/13/2011CN102016608A Radiated power measurement method, radiated power measurement coupler and radiated power measurement apparatus
04/13/2011CN102012466A Method for measuring noise of digital X-ray imaging system
04/13/2011CN102012465A Wire order test method
04/13/2011CN102012463A In situ measurement method for relative dielectric constant of stratum
04/13/2011CN102012269A Device for detecting and/or emitting electromagnetic radiation and method for manufacturing such a device
04/13/2011CN101504431B Nanosecond on-line detection system for random pulse time sequence
04/13/2011CN101413976B Electronic material and method for testing device shot noise
04/13/2011CN101044396B Fibre monitoring apparatus and method
04/12/2011US7924232 Electromagnetic wave measuring method and electromagnetic wave measuring apparatus
04/12/2011US7924018 MEMS electrometer that measures amount of repulsion of adjacent beams from each other for static field detection
04/07/2011WO2011040883A1 A method and system for determining charge carrier lifetime
04/07/2011US20110080158 Coaxial cable connector with internal floating ground circuitry and method of use thereof
04/07/2011DE112005000311B4 Messgerät, Messverfahren und Testgerät Measuring Instrument, Measurement methods and test equipment
04/06/2011EP2304450A1 Improvements in the determination of at least one value associated with the electromagnetic radiation of an object being tested
04/06/2011CN201788276U Very-low-frequency full lightning positioning system
04/06/2011CN201788236U Special detection device of sliding contact power supply dolly
04/06/2011CN102004195A Device to detect and measure static electric charge
04/06/2011CN102004194A Wafer charge detecting device
04/06/2011CN102004193A Three-phase alternating-current phase sequence detecting method and device thereof
04/06/2011CN102004192A Load early-warning device for a power distribution grid
04/06/2011CN101999733A High-voltage pulse electric field sterilizing treatment chamber for monitoring strength and temperature of electric fields on line
04/06/2011CN101614771B Detection method of digital substation PT secondary phase sequence verification
04/06/2011CN101533049B Current radiation transmitting device for measuring cable
04/06/2011CN101509945B Real-time detection method for positive and negative sequence electricity quantity
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