| Patents for G01R 29 - Arrangements for measuring or indicating electric quantities not covered by groups (11,937) |
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| 01/15/2009 | US20090018787 Apparatus and method for determining the slew rate of a signal produced by an integrated circuit |
| 01/15/2009 | US20090018279 Method for controlling sheeting in gas phase reactors |
| 01/15/2009 | US20090015491 Electromagnetic wave sensor, imaging element and imaging device |
| 01/15/2009 | US20090015263 Ion Control Sensor |
| 01/15/2009 | US20090015244 Control element for a motor vehicle |
| 01/15/2009 | DE102008023650A1 For analog differentiation of pulsed high frequency signals with lower pulse frequencies, divides the signals into a path to study only positive flanks and a path only for negative flanks |
| 01/15/2009 | DE102007047138A1 Power density spectrum measurements uses two Fourier transformation signals for computation of a value using a number of averages |
| 01/14/2009 | EP2015083A1 Method and device for optimising the measuring time for noise or spectrum analysers using cross correlation methods |
| 01/14/2009 | CN101345410A Design method for judging out-of-step separation based on application compensating impedance principle |
| 01/14/2009 | CN101345409A Design method for judging out-of-step separation based on in-place active/idle work variable quantity |
| 01/14/2009 | CN101344549A Method and device for phase lack detection of three-phase circuit |
| 01/14/2009 | CN101344548A Measuring method for intermodulation sensitiveness of antenna terminal |
| 01/14/2009 | CN101344547A Capacitance imaging sensor with asymmetric combined electrode structure |
| 01/14/2009 | CN100452684C Method for measuring transmission time-delay of telemechanical system by GPS |
| 01/13/2009 | US7477877 GSM radiated sensitivity measurement technique |
| 01/08/2009 | WO2009006465A2 System and method for measuring a time-varying magnetic field and method for production of a hydrocarbon fluid |
| 01/08/2009 | WO2009004856A1 Electromagnetic field distribution measuring apparatus |
| 01/08/2009 | WO2009004260A2 System for transmitting an electric pulse and device for capacitive disconnection for such a system. |
| 01/08/2009 | WO2009004259A2 Device for determining a charge distribution in a dielectric element |
| 01/08/2009 | US20090009410 Positioning, detection and communication system and method |
| 01/08/2009 | DE112007000507T5 Messvorrichtung, Messverfahren, Prüfvorrichtung, Prüfverfahren und elektronische Vorrichtung Measuring device, measuring methods, test apparatus, test methods and electronic device |
| 01/08/2009 | CA2702956A1 System and method for measuring a time-varying magnetic field and method for production of a hydrocarbon fluid |
| 01/07/2009 | EP2010926A2 Method and circuit arrangement for measuring field intensity and integrated circuit |
| 01/07/2009 | CN201177870Y DC combination electric field and ion stream density measuring system |
| 01/07/2009 | CN201177644Y Electrostatic detecting and eliminating apparatus |
| 01/07/2009 | CN101341714A System and method for optimizing robust header compression(rohc) in high delay variance environment |
| 01/07/2009 | CN101339217A Test system for measuring polarization direction |
| 01/07/2009 | CN101339216A Ship electromagnetic environment characteristic analysis determination method |
| 01/07/2009 | CN101339215A Electromagnetic radiation measuring and analysis system |
| 01/07/2009 | CN100449283C Method and radio-thermometer for measuring electromagnetic energy radiated from inside of human body |
| 01/06/2009 | US7474974 Embedded time domain analyzer for high speed circuits |
| 01/06/2009 | US7474638 Method and system for distributed baseband measurements |
| 01/06/2009 | CA2213191C Process and machine for signal waveform analysis |
| 01/02/2009 | CA2636524A1 Method of determining voltage stability margin for load shedding within an electrical power system |
| 01/01/2009 | US20090006011 Electromagnetic Field Distribution Measuring Method, Apparatus for the Method, Computer Program and Information Recording Medium |
| 12/31/2008 | WO2009003120A1 Logic state catching circuits |
| 12/31/2008 | WO2009000944A1 System for the continuous measurement of time-variable electric, magnetic and electromagnetic fields |
| 12/31/2008 | EP1721178B1 Detection of lightning |
| 12/31/2008 | CN101334434A Electromagnetic environment test system for extracting electromagnetic leakage signal by utilizing wavelet transformation |
| 12/31/2008 | CN101334433A Receiving and adjusting circuit for high-frequency electromagnetic wave test signal |
| 12/31/2008 | CN101334432A Ion pollution detection device |
| 12/31/2008 | CN100447574C Open-phase detecting method of three-phase transformer |
| 12/30/2008 | US7472362 Method of minimizing phase noise |
| 12/25/2008 | US20080319693 Method, Device And Computer Program For Evaluating A Signal Transmission |
| 12/25/2008 | US20080316123 Electromagnetic wave measuring method and electromagnetic wave measuring apparatus |
| 12/24/2008 | WO2008155843A1 Noise measurement device and tester |
| 12/24/2008 | EP1373030B1 Occupant sensor |
| 12/24/2008 | DE10308279B4 Interferenzaufhebung in einem Antennentest Interference cancellation in an antenna test |
| 12/24/2008 | DE102007027070A1 Elektronische Vorrichtung und Verfahren zur chipintegrierten Messung von Jitter Electronic device and method for on-chip measurement of the jitter |
| 12/24/2008 | CN100445758C Smart antenna testing method and system |
| 12/23/2008 | US7469191 Jitter measurement method, jitter measuring apparatus and image forming apparatus |
| 12/23/2008 | US7469190 Automated system approach to analyzing harmonic distortion in an electric power system |
| 12/18/2008 | WO2008154061A2 Generic pick-up horn for high power thermal vacuum testing of satellite payloads at multiple frequency bands and at multiple polarizations |
| 12/18/2008 | WO2008152787A1 Signal analysis device |
| 12/18/2008 | WO2008152695A1 Electronic device and electronic device testing method |
| 12/18/2008 | WO2008152190A1 Method and apparatus for near-field imaging |
| 12/18/2008 | US20080309566 Antenna System, Access Control System for a Vehicle and Diagnosis Method |
| 12/18/2008 | US20080309565 Signal measurement system and method for testing an rf component |
| 12/18/2008 | US20080309376 Mains Phase Detection Apparatus |
| 12/18/2008 | US20080309375 High accuracy current mode duty cycle and phase placement sampling circuit |
| 12/18/2008 | DE112007000506T5 Messvorrichtung, Messverfahren, Prüfvorrichtung, Prüfverfahren und elektronische Vorrichtung Measuring device, measuring methods, test apparatus, test methods and electronic device |
| 12/17/2008 | EP2003800A1 System for determining total isotropic sensitivity (TIS) using target received signal strength indicator (RSSI) value and related methods |
| 12/17/2008 | EP2003458A2 Electromagnetic effects test chamber |
| 12/17/2008 | EP2002273A1 Electric potential sensor |
| 12/17/2008 | EP2002272A1 Apparatus and method for providing a clock signal |
| 12/17/2008 | EP2002271A1 Apparatus for detecting clock failure and method therefor |
| 12/17/2008 | CN201166689Y High precision microwave radiometer |
| 12/17/2008 | CN101324646A Amplitude probability distribution statistical parameter measuring instrument |
| 12/17/2008 | CN100444270C Jitter measuring method and device thereof |
| 12/16/2008 | US7466146 Frozen material detection using electric field sensor |
| 12/16/2008 | US7466145 Voltage measuring apparatus and power measuring apparatus |
| 12/16/2008 | US7466142 Anechoic chamber for direct observation of the electromagnetic behavior of a tool |
| 12/11/2008 | WO2008149990A1 Phase measuring device, skew measuring device, phase measuring method, and skew measuring method |
| 12/11/2008 | WO2008149973A1 Test device and calibration device |
| 12/11/2008 | WO2008149764A1 Eye margin calculation device, eye margin calculation method, eye margin calculation program, and computer-readable recording medium containing the program |
| 12/11/2008 | WO2008148793A1 Increased reliability in the processing of digital signals |
| 12/11/2008 | WO2008076700A3 Interface with variable data rate |
| 12/11/2008 | US20080303725 Antenna Coupler |
| 12/11/2008 | US20080303530 Electrostatic Sensor |
| 12/11/2008 | US20080303376 Devices and methods for energy conversion basedon the giant flexoelectric effect in non-calamitic liquid crystals |
| 12/11/2008 | DE19959776B4 Differentialschutzverfahren Differential protection method |
| 12/11/2008 | DE112007000447T5 Vorrichtung, Verfahren und Programm für das Messen von Signalen und Aufnahmemedium Apparatus, method and program for the measurement of signals and recording medium |
| 12/11/2008 | DE102007025911A1 Probe for three-dimensional, potential free measuring of electrical alternating fields, has two pair of field disk where one pair of field disk is laminar and large in order to accommodate electronics between them |
| 12/10/2008 | EP1999495A2 Electric field sensor for marine environments |
| 12/10/2008 | CN201163296Y Multipath arbitrarily expanded electronic calibration member |
| 12/10/2008 | CN201163290Y Vehicle electric signal test device |
| 12/10/2008 | CN201163236Y Energy consumption management system of diesel locomotive |
| 12/10/2008 | CN101320063A Three-phase alternating current phase sequence detection apparatus and method |
| 12/10/2008 | CN101320062A Antenna phase center measuring method based on moving reference point |
| 12/10/2008 | CN101320061A Automatic measuring system of antenna phase center |
| 12/10/2008 | CN100442062C Method for implementing iterative detection in multiple-input multiple-output system and multi-antenna detector |
| 12/09/2008 | US7463070 Switching device for driving LED array by pulse-shaped current modulation |
| 12/04/2008 | WO2008147465A2 Method and apparatus for quadrifilar antenna with open circuit element terminations |
| 12/04/2008 | WO2008146622A1 Electronic device noise measuring method |
| 12/04/2008 | US20080297423 Method for Measuring Inverse Scattering Wave, and Apparatus for Identifying Inferior Rfid Transponder and Reader Using the Same |
| 12/04/2008 | US20080297172 Method for Measuring the Noise Figure of a Device Under Test with a Network Analyser |
| 12/04/2008 | DE102007024966A1 Elektrisches Gerät Electrical equipment |
| 12/04/2008 | DE102006041867B4 Verfahren und Vorrichtung zur Überwachung des Rauschens eines Sensors Method and device for monitoring of the noise of a sensor |
| 12/03/2008 | EP1998182A1 Electric device equipped with a microwave sensor |
| 12/03/2008 | CN201159752Y Collapsible scanner for piezo-electricity scanatron deformation test |