| Patents for G01R 29 - Arrangements for measuring or indicating electric quantities not covered by groups (11,937) |
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| 06/26/2013 | CN103176060A Test parameter obtaining method and device |
| 06/26/2013 | CN103176059A Method, device and frequency meter for measuring pulse width |
| 06/26/2013 | CN102279324B Analysis meter for multiple factors of frictional electrification of grains |
| 06/26/2013 | CN102109547B Scanning probe system on high field side of Tokamak device |
| 06/26/2013 | CN101900768B Multi-channel microwave radiometer system control device and control method |
| 06/25/2013 | US8473233 Analyzing jitter in a clock timing signal |
| 06/25/2013 | US8471780 Autonomous wireless antenna sensor system |
| 06/25/2013 | US8471774 Apparatus and method for measuring antenna radiation patterns |
| 06/20/2013 | WO2013088514A1 Inspection device |
| 06/20/2013 | WO2013088513A1 Inspection apparatus |
| 06/20/2013 | US20130158961 Calculation apparatus and calculation method of magnetic field, electron density and electron temperature |
| 06/20/2013 | US20130154887 Antenna testing enclosures and methods for testing antenna systems therewith |
| 06/19/2013 | CN203015258U Pre-processing device for detection |
| 06/19/2013 | CN203012950U Voltage monitoring system based on phase sequence identification of transformer station area |
| 06/19/2013 | CN203012133U Large-scale antenna surface precision tester |
| 06/19/2013 | CN203012032U Ion detection device for intelligent ion fan |
| 06/19/2013 | CN203012031U Device for measuring dynamic changes of friction static electricity and friction performance parameters of insulation material |
| 06/19/2013 | CN203012030U Three-phase load monitoring device |
| 06/19/2013 | CN203012029U Inversion-type low-power constant-speed electric field instrument |
| 06/19/2013 | CN203012028U Non-contact early warning system of high voltage electric power equipment |
| 06/19/2013 | CN203012027U Test system of antenna directional diagram |
| 06/19/2013 | CN203012026U Direct-current synthesis field intensity measuring instruments and a direct-current synthesis field intensity measuring system |
| 06/19/2013 | CN203012025U Field test device for ultrahigh frequency signal attenuation characteristics of GIS (gas insulated switchgear) partial discharge |
| 06/19/2013 | CN203012024U Fixing device of thunder and lightning detection station |
| 06/19/2013 | CN103167095A Mobile terminal and radiation detection method |
| 06/19/2013 | CN103166318A Electric power system lightning remote online monitoring device |
| 06/19/2013 | CN103163388A Measuring method and measuring device of non-contact electrostatic spraying charge-to-mass ratios |
| 06/19/2013 | CN103163387A Optical fiber electric field transducer based on electrooptical effect |
| 06/19/2013 | CN103163386A Measurement method of pulse signal arrival time difference |
| 06/19/2013 | CN102288835B Signal detection circuit and method |
| 06/19/2013 | CN101946187B Model-based estimation of battery hysteresis |
| 06/19/2013 | CN101688899B Apparatus for estimating open circuit voltage of battery, apparatus for estimating state of charge of battery, and method for controlling the same |
| 06/13/2013 | DE102011088171A1 Method for contactless measurement of electric field distribution in to-be tested electronic component, involves emitting or transmitting microwave signals from electronic component to be tested |
| 06/12/2013 | EP2602631A1 Calibration device and calibration method for array antenna |
| 06/12/2013 | EP2602630A2 Method of characterizing the overlap of two media segments |
| 06/12/2013 | CN202994912U Thunder and lightning signal acquisition device and thunder and lightning signal acquisition system |
| 06/12/2013 | CN202994901U Signal measurement device for atom frequency standard |
| 06/12/2013 | CN103149515A Space charge measuring device for dielectric long-term aging process |
| 06/12/2013 | CN103149487A Quick data acquiring method for train radiation emission test |
| 06/12/2013 | CN103149462A Improvement on polyimide film surface charge measuring method |
| 06/12/2013 | CN103149461A Static electricity atomizing charge-to-mass ratio measuring device |
| 06/12/2013 | CN103149460A Climate correcting method of synthetic electric field of direct current transmission line |
| 06/12/2013 | CN103149459A Electromagnetic distribution testing system and electromagnetic distribution testing method thereof |
| 06/12/2013 | CN103149458A Lightning monitoring equipment |
| 06/12/2013 | CN103149457A Space electromagnetic intensity distribution analysis method |
| 06/12/2013 | CN103149456A Handheld electromagnetic radiation tester |
| 06/12/2013 | CN103149455A Electromagnetic radiation on-line monitoring method for discharge excitation excimer laser system |
| 06/12/2013 | CN103149454A Periodic sequence signal duty ratio measuring method |
| 06/12/2013 | CN102331531B Device for detecting phase sequence of motor stator |
| 06/12/2013 | CN102175929B System for integrally, synchronously and comprehensively observing lightning electromagnetic signals |
| 06/12/2013 | CN102116805B Signal energy judgment device and signal energy judgment method |
| 06/12/2013 | CN101726694B Partial discharging detection apparatus for gas insulated equipment |
| 06/06/2013 | WO2013082607A1 Systems and methods for sensing signals communicated with an interface of a plug-in card without sensing points |
| 06/06/2013 | WO2013079621A1 Composition simulating the dielectric properties of the human body and use thereof for sar measurement |
| 06/06/2013 | US20130144564 Method and system for real-time signal classification |
| 06/06/2013 | US20130141287 Apparatus for Measuring a Radiation Pattern of an Active Antenna Arrangement |
| 06/06/2013 | US20130141075 Multiphase Electrical Power Phase Identification |
| 06/06/2013 | DE102011087832A1 Method for operating electromagnetic actuator e.g. injection valve, involves evaluating operating variable by evaluation unit using variable derived discrete wavelet transform (DWT) |
| 06/06/2013 | DE102011087676A1 Verfahren und Vorrichtung zur Überprüfung einer Lautsprecheranordnung Method and apparatus for verifying a speaker assembly |
| 06/06/2013 | CA2856958A1 Composition simulating the dielectric properties of the human body and use thereof for sar measurement |
| 06/05/2013 | CN202979191U Set top box |
| 06/05/2013 | CN202975175U Thunder early-warning device |
| 06/05/2013 | CN202975174U Electromagnetic radiation detection pen |
| 06/05/2013 | CN202975131U High-voltage electrical inspection and phase verification mechanism of switch cabinet intelligent operation display device |
| 06/05/2013 | CN103135086A Calibration device and calibration and verification method for direct current electric field measuring apparatus |
| 06/05/2013 | CN103135029A Improper wiring detecting system of parallel inverter system |
| 06/05/2013 | CN103135010A System and apparatus for radiation diagnosis |
| 06/05/2013 | CN103134999A Standard-static method for measuring piezoelectric coefficient of d15 of piezoelectric materials |
| 06/05/2013 | CN103134998A Coil turns selection method during wireless energy transmission based on resonance coupling |
| 06/05/2013 | CN103134997A Thunder and lightening detector based on optics principle |
| 06/05/2013 | CN103134976A Mine circuit electrification indication device and achieving method based on magnetic circuit blocking technology |
| 06/05/2013 | CN102879655B Vibrating micro mechanical electric field sensor |
| 06/05/2013 | CN102540145B Single-station quasi-three-dimensional lightning positioning device and method |
| 06/05/2013 | CN102147435B Method for measuring line width and frequency discrimination slope of physical system of Rubidium atom frequency scale |
| 06/05/2013 | CN101802626B Device for identifying an asymmetrical load in a three-phase system |
| 06/04/2013 | US8456154 Low voltage differential signaling test system and method |
| 05/30/2013 | WO2013075403A1 System and process for determining and analysing surface property parameters of substance based on kinetic method |
| 05/29/2013 | EP2597475A1 Scalable self-calibrating and configuring radio frequency head for a wireless communication system |
| 05/29/2013 | EP2597474A1 Scalable self-calibrating and configuring radio frequency head for a wireless communication system |
| 05/29/2013 | DE102011122871B4 Verfahren zur Analyse eines über ein Übertragungsmedium übertragenen Mischsignals, Signalanalysator, Analysatorfinger-Hardwaremodul und Computerprogramm A method of analyzing a transmitted composite signal via a transmission medium, signal analyzer, Analysatorfinger hardware module and computer program |
| 05/29/2013 | DE102011114285B4 Verfahren zur Analyse eines über ein Übertragungsmedium übertragenen Mischsignals, Signalanalysator, Analysatorfinger-Hardwaremodul und Computerprogramm A method of analyzing a transmitted composite signal via a transmission medium, signal analyzer, Analysatorfinger hardware module and computer program |
| 05/29/2013 | CN202956439U Three-phase commercial power monitoring device of communication base station |
| 05/29/2013 | CN202956438U Electrostatic field tester |
| 05/29/2013 | CN103125091A Bit error rate checker receiving serial data signal from an eye viewer |
| 05/29/2013 | CN103123373A Electrical parameter testing device |
| 05/29/2013 | CN102175932B Charge testing method in plasma environment and testing system |
| 05/29/2013 | CN102072994B Electrostatic test method for simulating practical service environment of product and neighboring equipment simulator |
| 05/28/2013 | US8452561 Time delay estimation |
| 05/28/2013 | US8452560 Identifying periodic jitter in a signal |
| 05/28/2013 | US8452544 Utility and method for the application of signal advance amplification to analog waveform or signal detection, acquisition and processing |
| 05/28/2013 | US8451181 Method of estimating the focusing quality of a signal pre-equalized by time reversal |
| 05/23/2013 | WO2013073207A1 Surface potential sensor and copying machine |
| 05/23/2013 | US20130129116 Glitch Detection and Method for Detecting a Glitch |
| 05/23/2013 | US20130127675 Electromagnetic wave sensor and a method for fabricating it |
| 05/22/2013 | CN202948075U Simple three-phase AC (Alternating Current) phase sequence tester |
| 05/22/2013 | CN202948074U Liquid medium empty spot electric field distribution measuring device based on Kerr effect |
| 05/22/2013 | CN202948073U Digital location selector for lightning detection station |
| 05/22/2013 | CN202948072U MSP430 single chip microcomputer-based portable field intensity meter |
| 05/22/2013 | CN202948047U Device for measuring secondary transient voltage in intelligent transformer substation |
| 05/22/2013 | CN103116085A Calculation method for electric field intensity inside high voltage transformer substation |