| Patents for G01R 29 - Arrangements for measuring or indicating electric quantities not covered by groups (11,937) |
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| 04/23/2009 | WO2009052382A1 Apparatus for performing a stress test to isolate and measure noise in a paired line and method for performing a stress test to isolate and measure noise in a paired line |
| 04/23/2009 | US20090105978 Emulation and debug interfaces for testing an integrated circuit with an asynchronous microcontroller |
| 04/23/2009 | US20090105977 Test apparatus, skew measuring apparatus, device and board |
| 04/23/2009 | US20090102730 Apparatus and method for predicting wave propagation characteristic of multiple antenna system |
| 04/23/2009 | US20090102514 Duty cycle detecting circuit for pulse width modulation |
| 04/23/2009 | US20090102490 Apparatus for performing a stress test to isolate and measure noise in a paired line and method for performing a stress test to isolate and measure noise in a paired line |
| 04/23/2009 | US20090102455 Digital multimeter having hinged shield arrangement |
| 04/23/2009 | US20090102450 Grid Sensor for the Two-Dimensional Measurement of Different Components in the Cross Section of a Multiphase Flow |
| 04/23/2009 | US20090102408 Backward pedaling detection circuit for e-bike motor driver |
| 04/23/2009 | DE112007001164T5 Verfahren zur Bestimmung der gedämpften Eigenfrequenzen eines dynamischen Systems A method for determining the damped natural frequencies of a dynamic system |
| 04/23/2009 | DE102007052409B3 Verfahren und Vorrichtung zum Entladen einer frei in einem Satelliten fliegenden Testmasse Method and apparatus for discharging a free-flying satellite in a test mass |
| 04/23/2009 | DE102007050051A1 Measuring device for e.g. determining field strength or power flux density of electromagnetic field, has measuring computer, microcontroller or digital signal processor formed as controller, where sum correction factor is executed |
| 04/23/2009 | CA2701905A1 Apparatus for performing a stress test to isolate and measure noise in a paired line and method for performing a stress test to isolate and measure noise in a paired line |
| 04/22/2009 | EP2051327A1 Antenna with comb generator |
| 04/22/2009 | CN201226014Y Safeguard protection device |
| 04/22/2009 | CN201226013Y Safeguard protection device |
| 04/22/2009 | CN101413976A Electronic material and method for testing device shot noise |
| 04/22/2009 | CN101413975A Three-phase power input phase lack detection circuit |
| 04/21/2009 | US7522274 Radiometers |
| 04/16/2009 | WO2009046516A1 Multichannel absorberless near field measurement system |
| 04/16/2009 | US20090099430 Signal processing apparatus |
| 04/16/2009 | US20090099429 Sine saturation transform |
| 04/16/2009 | US20090096686 Autonomous mobile wireless antenna systems |
| 04/16/2009 | US20090096683 Handheld electronic devices with antenna power monitoring |
| 04/16/2009 | US20090096439 Built-in jitter measurement circuit |
| 04/16/2009 | DE102007050346A1 Capacity-related state variable validation method for electrical energy storage i.e. battery, of motor vehicle, involves concluding plausibility of capacity-related state variable of storage depending on evaluation parameter |
| 04/16/2009 | DE102007049530A1 Portable hand device i.e. parametric amplifier, for use in e.g. electrical industry, has ultrasonic distance measuring device determining distance between device and medium for contactless determination of electrical field |
| 04/15/2009 | EP2047285A2 System and method for locating and analyzing arcing phenomena |
| 04/15/2009 | CN201222287Y Thunderbolt warning apparatus |
| 04/15/2009 | CN201222081Y Passive non-contact type surface potential probe |
| 04/15/2009 | CN201222079Y Apparatus for remotely measuring thunderbolt current |
| 04/15/2009 | CN101410719A Method and apparatus for measuring the duty cycle or relative duty cycle of a digital signal |
| 04/15/2009 | CN101409557A Method and system for testing DAC/ADC SNR |
| 04/15/2009 | CN101408570A Circuit for judging bur of wireless receiving decoding chip and method thereof |
| 04/15/2009 | CN100479336C Resonance antenna |
| 04/15/2009 | CN100478695C Measuring method for deciding direction to a flickering source and corresponding device |
| 04/15/2009 | CN100478692C A method for determining field radiation levels for a radiating device |
| 04/14/2009 | US7519490 Determining frequency components of jitter |
| 04/14/2009 | US7519489 Determination of a jitter property of a signal |
| 04/14/2009 | US7519488 Signal processing method and system for noise removal and signal extraction |
| 04/14/2009 | US7519113 Noise detection device |
| 04/14/2009 | US7518376 Electric field probe |
| 04/09/2009 | US20090091503 Method and system for tuning an antenna |
| 04/09/2009 | US20090091353 Method for detecting leading edge blanking parameter of power management chip |
| 04/09/2009 | DE112007001257T5 Vorrichtung und Verfahren zum Sensieren eines zeitvarianten Ionenstroms in einem elektrolytischen System Apparatus and method for sensing a time varying ionic current in an electrolytic system |
| 04/09/2009 | DE102008048294A1 Verfahren und Vorrichtung für die analoge Validierung von Hochgeschwindigkeitsbussen, wobei elektromagnetische Koppler verwendet werden Method and apparatus for analog validation of high-speed buses, wherein electromagnetic couplers are used |
| 04/09/2009 | DE102008047929A1 Verfahren und Vorrichtung zur Aufzeichnung von Jitterdaten Method and apparatus for recording Jitterdaten |
| 04/09/2009 | DE102006058966B4 Verfahren und Vorrichtung zum Erfassen von elektrischen Potentialunterschieden Method and apparatus for detecting electric potential differences |
| 04/08/2009 | CN201218826Y Movable multicenter electromagnetic radiation monitoring system |
| 04/07/2009 | US7516040 System and method for automated detection of printing defects in an image output device |
| 04/07/2009 | US7516032 Resolution in measuring the pulse width of digital signals |
| 04/02/2009 | WO2009041542A1 Radio communication device, and reception quality estimating method |
| 04/02/2009 | WO2009041513A1 Radiated power measuring method, coupler for radiate power measurement, and radiated power measuring device |
| 04/02/2009 | US20090088996 Jitter measuring system and method |
| 04/01/2009 | EP2041586A2 Storm detection device |
| 04/01/2009 | EP2041585A2 Systems and methods for providing millimeter wave signal improvements |
| 04/01/2009 | EP1579983B1 Tube bonder |
| 04/01/2009 | CN201215575Y Tangential reinforcement part for circular tube type piezo-electric element D15 piezoelectric constant measurement |
| 04/01/2009 | CN101401011A Electric field sensor for marine environments |
| 04/01/2009 | CN101398455A Measuring system and method |
| 04/01/2009 | CN101398450A Electric network peak transmission test device |
| 04/01/2009 | CN101398448A Method for calculating turn number of each segment of transformer coil and device |
| 04/01/2009 | CN100474729C Real time monitoring system for static detection |
| 04/01/2009 | CN100473994C Inductive electrode three-dimensional electric-field sensor |
| 03/31/2009 | US7512196 System and method of obtaining random jitter estimates from measured signal data |
| 03/31/2009 | US7511511 Specific absorption rate measuring system, and a method thereof |
| 03/31/2009 | US7511483 Device for sensing RF field |
| 03/26/2009 | WO2009038388A1 Apparatus and method for measuring antenna radiation patterns |
| 03/26/2009 | WO2009036989A1 Physical quantity measuring unit and sensor for non-contact electric or magnetic field measurements |
| 03/26/2009 | WO2009036815A1 Sensor for non-contact electric and magnetic field measurements |
| 03/26/2009 | US20090079632 Smart antenna system and failure detection method for smart antenna system |
| 03/26/2009 | US20090079441 Electronic circuit comprising a device to measure phase noise of an oscillating and/or resonant device |
| 03/26/2009 | US20090079440 Method and tester for verifying the electrical connection integrity of a component to a substrate |
| 03/26/2009 | US20090079418 Systems and Methods for Monitoring Voltage |
| 03/25/2009 | EP2040086A1 Sensor for non-contact electric field measurements |
| 03/25/2009 | EP2040085A1 Horizontal synchronization detection device |
| 03/25/2009 | CN101395485A Electronic apparatus test device and electronic apparatus test box |
| 03/25/2009 | CN101393239A Substance surface property parametric analysis system |
| 03/25/2009 | CN101393238A Substance surface property parametric measurement method |
| 03/25/2009 | CN100472393C Time delay measurement |
| 03/24/2009 | US7508187 Device and system for the measurement of an external electrostatic field, and system and method for the detection of storms |
| 03/24/2009 | US7508186 Registration of lightning strike in a wind turbine |
| 03/24/2009 | CA2517176C Sar measurement system and method of operating the same |
| 03/19/2009 | WO2009034337A2 Pulse analyzer |
| 03/19/2009 | WO2009006465A3 System and method for measuring a time-varying magnetic field and method for production of a hydrocarbon fluid |
| 03/19/2009 | US20090073063 Method and apparatus for polarization display of antenna |
| 03/19/2009 | US20090073062 Antenna Selection Scheme for Multiple Antennae |
| 03/19/2009 | US20090073061 Pre-Alignment Outside An Antenna Measurement Range |
| 03/19/2009 | DE102007034072B3 Vorrichtung und Verfahren zum Ladungstransfer Apparatus and method for charge transfer |
| 03/18/2009 | EP2035847A1 Optical recognition system for recognising the position and the movement of an object on a positioning device |
| 03/18/2009 | EP2035846A1 Electrooptic probe for vector measurement of an electromagnetic field |
| 03/18/2009 | EP2035845A1 Electrooptic probe for measuring temperature and electromagnetic field |
| 03/18/2009 | EP2035844A1 System for measuring the radiation pattern of a transmission antenna |
| 03/18/2009 | CN201210178Y Wireless earphone detector |
| 03/17/2009 | US7504896 Methods and apparatus for inline measurement of switching delay history effects in PD-SOI technology |
| 03/17/2009 | US7504832 Electric potential measuring apparatus and image forming apparatus |
| 03/12/2009 | WO2009030305A1 Device for identifying an asymmetrical load in a three-phase system |
| 03/12/2009 | US20090066592 System for inspecting electromagnetic coupling modules and radio ic devices and method for manufacturing electromagnetic coupling modules and radio ic devices using the system |
| 03/11/2009 | EP2034322A1 Control circuit for driving a semiconductor switch |
| 03/11/2009 | EP2033345A2 Transient rf detector and recorder |