| Patents for G01R 29 - Arrangements for measuring or indicating electric quantities not covered by groups (11,937) |
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| 01/01/2014 | CN203376405U Electromagnetic signal intensity change detecting device |
| 01/01/2014 | CN203376404U Intelligent-type electric field abnormity safety alarming device |
| 01/01/2014 | CN103487715A Device for rapidly testing high density interconnect circuit board backflow coils |
| 01/01/2014 | CN103487669A Phase noise measurement method based on phase characteristic processing between any frequency signals |
| 01/01/2014 | CN103487668A Lightning sensor based on electroscope |
| 01/01/2014 | CN103487667A Narrow-pulse envelope parameter measuring system based on logarithmic detector |
| 01/01/2014 | CN102105804B Device and method for evaluating antenna |
| 12/31/2013 | US8619350 Analog interferometric modulator |
| 12/31/2013 | US8618814 High bandwidth passive switching current sensor |
| 12/31/2013 | CA2612877C A radio mode selectivity block for a detector for detecting a buried current carrying conductor |
| 12/31/2013 | CA2598901C Method and system for state estimation in power systems |
| 12/26/2013 | US20130346010 Electric vehicle charger testing systems |
| 12/26/2013 | US20130342403 Method and apparatus for testing antennas |
| 12/26/2013 | US20130342218 Cable Detector |
| 12/25/2013 | EP2677663A1 Noise level barrier with high immunity to pulsed interference |
| 12/25/2013 | EP2493156B1 Mobile device with proximity sensor |
| 12/25/2013 | CN203367987U Motor phase sequence protection device for special vehicles |
| 12/25/2013 | CN203365558U Circuit and device for three-phase power open-phase detection |
| 12/25/2013 | CN203365557U Electric field intensity sensor capable of working in strong electric field environment |
| 12/25/2013 | CN103472769A Data acquisition system and monitoring system for direct-current electric field monitoring |
| 12/25/2013 | CN103472319A Close-carrier frequency phase noise correcting device based on table-look-up compensation technology |
| 12/25/2013 | CN103472318A Direct-current cable space charge measuring system |
| 12/25/2013 | CN103472317A Open-phase detection circuit of three-phase variable-frequency electromotor |
| 12/25/2013 | CN103472316A Method for measuring contacted power frequency electric field intensity and magnetic field intensity when operating personnel of transformer substation inspect |
| 12/25/2013 | CN103472315A Simple antenna far field test system and application thereof |
| 12/25/2013 | CN103472314A Magnetron front edge jitter time test method |
| 12/24/2013 | DE102012012365A1 Pegel-Rauschsperre mit hoher Immunität gegenüber Pulsstörungen Level squelch with high immunity to interference pulse |
| 12/24/2013 | DE102012012115A1 Method for detecting electromagnetic disturbing pulses at electronic component, involves receiving electromagnetic disturbing pulses by antenna element, transmitting disturbing pulses to peripheral unit and processing in microcontroller |
| 12/19/2013 | WO2013185267A1 Method for measuring three-dimensional power frequency electric field based on transmission line equivalent surface charge curve integral |
| 12/19/2013 | WO2013136019A3 Electromagnetic actuator having controlled impedance |
| 12/18/2013 | EP2525460B1 System, device, and method for detecting electrical discharges on a structure |
| 12/18/2013 | CN203350369U Measurement device of space charge density |
| 12/18/2013 | CN203350368U An automatic testing device for RF antenna radiofrequency field parameters |
| 12/18/2013 | CN103460058A Method for contactless determination of electrical potential of object using two different values for electric flux, and device |
| 12/18/2013 | CN103460057A Method for the contactless determination of an electrical potential using an oscillating electrode, and device |
| 12/18/2013 | CN103457042A Active rod antenna |
| 12/18/2013 | CN103455232A Electromagnetic signal control method, electromagnetic induction detecting device and electromagnetic handwriting system |
| 12/18/2013 | CN103454505A Method and circuit for phase loss detection based on harmonic detection |
| 12/18/2013 | CN103454504A Magnetic circuit modeling device of non-contact transformer |
| 12/18/2013 | CN102066955B Improvements in determination of at least one value associated with electromagnetic radiation of object being tested |
| 12/18/2013 | CN101646952B Antenna adaptable to electromagnetic compatibility testing |
| 12/17/2013 | US8610630 4-port strip line cell for generating standard near fields |
| 12/12/2013 | WO2013181977A1 Audible noise calculation method for high voltage dc power transmission line |
| 12/12/2013 | US20130332096 Universal jitter meter and phase noise measurement |
| 12/11/2013 | CN203337743U Phase checking device and electroscope used with the same |
| 12/11/2013 | CN203337742U Scanning device applied to antenna near field test |
| 12/11/2013 | CN203337741U Intelligent thunder and lightning environment monitoring lightning protection box |
| 12/11/2013 | CN203337740U Tensiometer testing device |
| 12/11/2013 | CN203337260U Mobile terminal with radiation and ultraviolet detection functions |
| 12/11/2013 | CN103443640A Systems and methods for determining a power phase and/or a phase rotation |
| 12/11/2013 | CN103439589A Charged droplet charge-to-mass ratio real-time measurement device easy to disassemble and assemble |
| 12/11/2013 | CN103439588A Phase sequence checking method and device thereof |
| 12/11/2013 | CN103439587A Three-phase alternating current detecting method |
| 12/11/2013 | CN103439586A Measuring apparatus for measuring indoor electromagnetic radiation and measuring method thereof |
| 12/11/2013 | CN102323491B Method for detecting open phase of three-phase input power supply |
| 12/11/2013 | CN102105805B Antenna evaluation device and method |
| 12/10/2013 | US8606429 System and method for controlling an electronic device fan |
| 12/10/2013 | US8605383 Methods, devices and systems for characterizing polarities of piezoelectric (PZT) elements of a two PZT element microactuator |
| 12/10/2013 | US8604840 Frequency synthesizer noise reduction |
| 12/10/2013 | US8604774 Current sensing circuit with feedback control and dual capacitor set range setting |
| 12/05/2013 | WO2013179016A1 A chamber for testing electrical and electronic apparatus |
| 12/05/2013 | US20130322425 Noise variance estimation and interference detection |
| 12/05/2013 | US20130321222 Method for rf testing utilizing a test fixture |
| 12/05/2013 | US20130320959 Power Device Analyzer |
| 12/04/2013 | EP2669689A1 A chamber for testing electrical and electronic apparatus |
| 12/04/2013 | EP2668512A1 Method for the contactless determination of an electrical potential of an object using two different values for the electric flux, and device |
| 12/04/2013 | CN203324390U Tester for electric quantity of ink powder in inhalation method |
| 12/04/2013 | CN203324389U Portable phasing tester |
| 12/04/2013 | CN203324388U Optical crystal electric field sensor based on DFB laser |
| 12/04/2013 | CN203324387U Radio-frequency test circuit |
| 12/04/2013 | CN203324386U Portable electromagnetic radiation monitoring device |
| 12/04/2013 | CN203324385U Semi-electric-wave and full-electric-wave automatic switching electric wave darkroom |
| 12/04/2013 | CN203324384U Low-frequency alternating-current signal measurement system |
| 12/04/2013 | CN203324344U High-frequency strong-magnetic stealing electricity monitoring and recording device |
| 12/04/2013 | CN103430466A Over-the-air test |
| 12/04/2013 | CN103427428A Quick three-phase reactive compensation switch |
| 12/04/2013 | CN103424635A Electric field strength transducer capable of working in high-electric-field environments |
| 12/04/2013 | CN103424634A Wireless fidelity (WIFI) antenna test system and method |
| 12/04/2013 | CN103424633A Device and method for measuring ultrashort electronic impulse width |
| 12/04/2013 | CN103424604A Non-contact electrical inspection device |
| 12/04/2013 | CN103424180A Noise detector used under complex environment |
| 12/04/2013 | CN103424066A Method for using circularly polarized antenna far field phase difference for calculating rotation offset of electric field probe |
| 12/04/2013 | CN102445604B Miniature electric field sensor with special-shaped electrodes |
| 12/04/2013 | CN102426302B Three-phase power input open-phase detection circuit |
| 12/03/2013 | US8599078 Near-field RF current probe system for a floating buoyant cable antenna |
| 12/03/2013 | US8598911 Pulse width filter |
| 11/28/2013 | WO2013176373A1 Electromagnetic wave measuring device for selectively measuring electromagnetic waves |
| 11/28/2013 | WO2013176372A1 Device for measuring electromagnetic waves using flash memory structure, and method for measuring electromagnetic waves using same |
| 11/28/2013 | WO2013175263A1 Method and system for generation of a statistically spatially-uniform field distribution inside a reverberation chamber |
| 11/28/2013 | WO2013174415A1 Method and device for assigning individual phase conductors in a polyphase energy distribution network |
| 11/28/2013 | WO2013123496A9 System and method for antenna pattern estimation |
| 11/28/2013 | US20130314103 Receiving apparatus for test signal, electronic apparatus therefor and signal receiving method thereof |
| 11/27/2013 | EP2666025A1 Compact electronic reverberation chamber |
| 11/27/2013 | CN203310926U Central processing system suitable for portable radio monitoring integrated machine |
| 11/27/2013 | CN203310925U Antenna terminal suitable for portable radio monitoring integrated machine |
| 11/27/2013 | CN203310924U Rechargeable portable signal amplifying device |
| 11/27/2013 | CN203310392U Switch cabinet main bus simulation combination cabinet detection platform |
| 11/27/2013 | CN103412244A Method for measuring space charge characteristics of HVDC XLPE cable under thermal-cold cycling |
| 11/27/2013 | CN103412201A 1.14kV power grid phase sequence detection device and method |
| 11/27/2013 | CN103412200A Three-phase alternating current phase sequence detection method and device |