| Patents for G01R 29 - Arrangements for measuring or indicating electric quantities not covered by groups (11,937) |
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| 02/21/2008 | US20080042862 Alarm device for indicating excessive static electricity |
| 02/21/2008 | US20080042835 Electric Field Sensing Device |
| 02/21/2008 | US20080042655 Systems and methods for detecting impurities in reactor systems |
| 02/21/2008 | DE102006038846A1 Piezo-injector i.e. fuel injector, condition determining method for e.g. self-ignited internal combustion engine, involves changing actuating variable to obtain original characteristic of function variable of actuator and/or injector |
| 02/20/2008 | CN101127529A Digital/analog converter and phase locking loop built-in self test circuit and its measurement method |
| 02/20/2008 | CN101126783A Automobile electrical signal test method and device |
| 02/20/2008 | CN101126780A M-w grade microwave power instrumentation system based on calorimetric method |
| 02/20/2008 | CN101126779A Method and uses for researching antenna |
| 02/20/2008 | CN100370263C Method and apparatus for measuring material piezoelectric coefficient by using scanning near-field microwave microscopy |
| 02/20/2008 | CN100370261C Method and apparatus for determining inter-symbol interference for estimating data dependent jitter |
| 02/19/2008 | US7333905 Method and apparatus for measuring the duty cycle of a digital signal |
| 02/14/2008 | WO2008018588A1 Probability density function separator, probability density function separating method, program, tester, bit error rate measurement device, electronic device, and jitter transfer function measurement device |
| 02/14/2008 | WO2008018587A1 Noise separator, noise separating method, probability density function separator, probability density function separating method, tester, electronic device, program, and recording medium |
| 02/13/2008 | EP1887685A2 Apparatus and method of generating a plurality of synchronized radio frequency signals |
| 02/13/2008 | CN101122621A Electrostatic discharge detection device and method |
| 02/13/2008 | CN101122617A Electrostatic caution module |
| 02/13/2008 | CN101122518A Method and device for noise test through portable equipment |
| 02/13/2008 | CN100368816C Testing plan of product on-line noise and method of constructing equivalent testing relation by related international requirement |
| 02/13/2008 | CN100368815C Hinged multi-dimensional electric field sensor |
| 02/12/2008 | US7330032 Techniques for building-scale electrostatic tomography |
| 02/07/2008 | WO2008014582A1 Producing a phasor representation of an electrical entity in a multiphase ac electric power system |
| 02/07/2008 | US20080030412 Process compensating for array antenna radiating element positioning errors |
| 02/07/2008 | US20080030201 Method Of Operating A Shielded Connection, And Communication Network |
| 02/07/2008 | CA2658954A1 Producing a phasor representation of an electrical entity in a multiphase ac electric power system |
| 02/06/2008 | EP1884005A1 Method and apparatus for improving operational reliability during a loss of a phase voltage |
| 02/06/2008 | EP1883827A1 Jitter-based calibration procedure with improved resolution for optical disc drives |
| 02/06/2008 | CN201017023Y Inductor for detecting controlled silicon conducting |
| 02/06/2008 | CN201017014Y Waterproof type non-contact electric voltage test pen |
| 02/06/2008 | CN101118256A Portable electromagnetic radiation investigation apparatus |
| 02/06/2008 | CN101118255A Device and method for testing clock or signal driving load capacity |
| 02/06/2008 | CN101118235A Measurement mechanism for trace quantity electric charge and method thereof |
| 02/06/2008 | CN100367286C Method for analyzing power supply noise of semiconductor integrated circuit |
| 02/06/2008 | CN100367038C Method and apparatus for synchronous phase measurement by employing optical signals |
| 02/05/2008 | CA2388271C Electromagnetic field analysis method based on fdtd method, medium representation method in electromagnetic field analysis, simulation device, and storage medium |
| 01/31/2008 | WO2008013087A1 Standing wave measuring unit in waveguide and standing wave measuring method, electromagnetic wave using device, plasma processing device, and plasma processing method |
| 01/31/2008 | WO2007121995A3 Method and circuit arrangement for measuring field intensity and integrated circuit |
| 01/31/2008 | US20080027662 Method and device for estimating simultaneous switching noise in semiconductor device, and storage medium |
| 01/31/2008 | US20080024374 Antenna system |
| 01/31/2008 | US20080024373 Method and System for Determining Antenna Characterization |
| 01/31/2008 | DE10197038B4 Berechnungsvorrichtung für die Größe des Zitterns und Prüfvorrichtung Calculator for the size of the jitter and Tester |
| 01/30/2008 | CN101116268A 通信系统 Communications systems |
| 01/30/2008 | CN101113997A Signal polarity detection device and associated method |
| 01/30/2008 | CN100365420C Apparatus for measuring specific absorption rate of radio communication apparatus |
| 01/29/2008 | US7325171 Measurement and data acquisition system including a real-time monitoring circuit for implementing control loop applications |
| 01/24/2008 | WO2008009807A2 Storm detection device |
| 01/24/2008 | US20080021690 Simulation method, simulation apparatus, and computer readable medium storing simulation program |
| 01/24/2008 | US20080018336 Electric potential measuring device and image forming apparatus |
| 01/24/2008 | CA2657613A1 Systems and methods for providing millimeter wave signal improvements |
| 01/23/2008 | CN101109778A System und verfahren zur blitzdetektion |
| 01/23/2008 | CN100364128C Piezoelectric device and method thereof |
| 01/22/2008 | US7321232 Charge amount measurement method, shift value measurement method of charged beam, charge amount measuring device and shift value measuring device of charged beam |
| 01/17/2008 | WO2008008949A2 Signal integrity measurement systems and methods using a predominantly digital time-base generator |
| 01/17/2008 | US20080012575 Systems and techniques for radio frequency noise cancellation |
| 01/17/2008 | DE102006032270A1 Testing method for e.g. mobile radio receiving device, involves loading radio receiving device in temporally extensive test program with radio waves of preset frequency according to prior stored field strength-time curve |
| 01/16/2008 | CN201007733Y Transformer winding deformation detection determining device |
| 01/16/2008 | CN201007732Y Winding deformation test plier |
| 01/16/2008 | CN201007730Y Transformer direct loading and temperature rising test device |
| 01/16/2008 | CN101105513A Antenna radiation characteristics experimental device |
| 01/16/2008 | CN100362355C Miniature anti-radiation electric field sensor |
| 01/10/2008 | US20080007719 Method for Increasing Accuracy of Measurement of Mean Polarization Mode Dispersion |
| 01/10/2008 | US20080007304 AC-to-DC power circuit |
| 01/10/2008 | US20080007268 Direct physical generator of justice or injustice |
| 01/10/2008 | US20080007248 Non-invasive electric-filed-detection device and method |
| 01/09/2008 | EP1876456A1 Diagnosis apparatus and method for diagnosing connection state of vehicle antenna |
| 01/09/2008 | CN101102343A Method for improving omnidirectional emission power and omnidirectional sensibility index and its mobile phone |
| 01/09/2008 | CN100360946C Apparatus for and method of measuring local specific absorption range SAR |
| 01/08/2008 | US7317999 Method of mapping linearly spaced spectrum points to logarithmically spaced frequency and a measuring apparatus using the method |
| 01/08/2008 | US7317340 Glitch free reset circuit |
| 01/08/2008 | US7317319 Measuring method for electromagnetic field intensity and apparatus therefor, measuring method for electromagnetic field intensity distribution and apparatus therefor, measuring method for current and voltage distributions and apparatus therefor |
| 01/08/2008 | US7317309 Wideband signal analyzing apparatus, wideband period jitter analyzing apparatus, and wideband skew analyzing apparatus |
| 01/08/2008 | CA2348912C Phase determination of a radiation wave field |
| 01/03/2008 | WO2008001570A1 Jitter detecting method and apparatus |
| 01/03/2008 | WO2008000661A1 Method and apparatus for constructing a synchronous signal diagram from asynchronously sampled data |
| 01/03/2008 | WO2008000653A1 Method and apparatus for determining data signal jitter via asynchronous sampling |
| 01/03/2008 | DE102006030224A1 Vorrichtung und Verfahren zum Überprüfen der Dichtigkeit von Feuchtigkeitsbarrieren für Implantate Device and method for checking the tightness of moisture barriers for implants |
| 01/03/2008 | DE102004033511B4 Warngerät für Patienten mit herztätigkeitsunterstützenden Geräten Warning device for patients with heart activity support equipment |
| 01/02/2008 | EP1532738B1 Method and device for detecting period length fluctuations of periodic signals |
| 01/02/2008 | CN201000471Y Electrostatic detecting instrument for hand-hold hyperbaric oxygen chamber |
| 01/02/2008 | CN101097235A Test cabinet having positioning apparatus |
| 01/02/2008 | CN101097234A Test cabinet of double testing antenna |
| 01/01/2008 | US7315797 Method and system for eliminating VSWR errors in phase and amplitude measurements |
| 01/01/2008 | US7315728 Polarized wave measuring apparatus, and antenna characteristic measuring apparatus and radio wave measuring apparatus using the same |
| 01/01/2008 | US7315173 Method of measuring electric field distribution and electric field distribution measuring instrument |
| 01/01/2008 | US7315172 Method for measuring spectral noise densities beyond instrument capability with deterministic confidence levels |
| 01/01/2008 | US7315171 Electronic judging apparatus for working state of the equipment |
| 12/27/2007 | WO2007147738A1 Optical recognition system for recognising the position and the movement of an object on a positioning device |
| 12/27/2007 | WO2007147736A1 System for measuring the radiation pattern of a transmission antenna |
| 12/27/2007 | WO2007034380A3 Method and apparatus for polarization display of antenna |
| 12/27/2007 | US20070296771 Piezoelectric fluid injection devices and driving voltage calibration methods thereof |
| 12/27/2007 | US20070296466 System and method for pre-charged linear phase-frequency detector |
| 12/27/2007 | DE102005045463B4 Messanordnung zur Strahlungserfassung unter Vakuumbedingungen Measuring arrangement for detecting radiation in vacuum conditions |
| 12/27/2007 | DE102004017548B4 Verfahren zur Erkennung und Analyse von Funksignalen Methods for the detection and analysis of radio signals |
| 12/26/2007 | EP1870991A1 Method for operating an inverter circuit |
| 12/26/2007 | EP1870719A1 Optical recognition system for determining position and motion of an object on a positioning device |
| 12/26/2007 | EP1870718A1 System for measuring the radiation diagram of a transmission antenna |
| 12/26/2007 | EP1869480A2 A poynting-vector based method for determining the bearing and location of electromagnetic sources |
| 12/26/2007 | CN200996980Y Equipment for measuring terahertz time-domain spectrum |
| 12/26/2007 | CN101095056A Detection of lightning |
| 12/26/2007 | CN101093608A Device and method for measuring DC resultant field |
| 12/26/2007 | CN101093238A Circuit for detecting lack of phase of three-phase voltage |