Patents
Sitemap › G01 - Measuring; Testing › G01R - Measuring electric variables; Measuring magnetic variables › G01R 29 - Arrangements for measuring or indicating electric quantities not covered by groups
Patents for G01R 29 - Arrangements for measuring or indicating electric quantities not covered by groups (11,937)
06/2003
06/19/2003US20030110614 Method for determining correct phasing of a three-phase brushless DC motor
06/18/2003EP0865684B1 Charge measurement circuit
06/17/2003US6580764 Channel characteristics estimation apparatus
06/12/2003WO2003048792A1 Method and apparatus for detecting loss of synchronism in power system
06/12/2003WO2003048789A2 Electrodynamic sensors and applications thereof
06/12/2003US20030109997 Field distribution measuring method and device
06/11/2003EP1318623A2 Method for obtaining field strength information
06/10/2003US6577132 Passive system for the detection and indication of non-ionizing electromagnetic radiations and static electricity
06/10/2003US6577130 System and method for sensing and controlling potential differences between a space object and its space plasma environment using micro-fabricated field emission devices
06/10/2003US6577023 Occupant detection system
06/05/2003WO2003046589A1 Measuring probe device and measurement method
06/05/2003US20030104795 Method and circuit for obtaining field strength information
06/04/2003EP1316806A1 Non-contact measuring probe device for directional detection of an electromagnetic wave and measuring method
06/04/2003EP1230556B1 Detector for high intensity electrical currents
06/04/2003EP0889411B1 On-chip PLL phase and jitter self-test circuit
06/04/2003CN1421697A Test equipment and method for detecting negative ion amount emitted by fabric
06/04/2003CN1421685A Test device and method of negative ion amount emitted by negative ion material
06/03/2003US6573725 Sensor for non-contacting electrostatic detector
06/03/2003US6573700 Method of characterizing free-space radiation using a chirped optical pulse
05/2003
05/30/2003WO2003044543A2 Method and apparatus for measuring a waveform
05/30/2003WO2003019204A3 Sensor for non-contacting electrostatic detector
05/29/2003US20030099141 Semiconductor device having PLL-circuit
05/27/2003US6570539 Method for vibration detection during near-field antenna testing
05/22/2003WO2002041011A3 Apparatus and method for measuring the static charge of flowable solids
05/22/2003US20030094937 Clock skew measuring apparatus and method
05/21/2003EP1129367A4 System for measuring and displaying three-dimensional characteristics of electromagnetic waves
05/21/2003CN1419134A Single phase power source measuring method and device for 2 type transformer rate
05/21/2003CN1419133A UCOS 'phi' based electric power system pull-out dectection judging method
05/21/2003CN1419129A 光纤电场传感器 Fiber optic electric field sensor
05/20/2003US6566854 Apparatus for measuring high frequency currents
05/15/2003WO2003040732A2 Impedance stabilization network for determining the electromagnetic interfering radiation of a modem
05/14/2003EP1310802A2 Optical sensor for sensing of a magnetic field or a voltage
05/13/2003US6564158 Broadband electromagnetic field component measurement system
05/13/2003US6564084 Magnetic field shielding and detecting device and method thereof
05/13/2003US6563327 Test chamber
05/13/2003US6563319 Electrostatic discharges and transient signals monitoring system and method
05/13/2003US6563231 Occupant sensor
05/07/2003EP1309238A2 Controlling data flow across an RF barrier
05/07/2003EP1307752A2 System, method, and apparatus for electromagnetic compatibility-driven product design
05/07/2003EP1141733B1 Test chamber
05/06/2003CA2269170C Electromagnetic wave source probing device and probing method with the probing device
05/02/2003EP1305643A1 Signal measurement
05/02/2003EP0783673B1 Variable frequency microwave tropopause sensor system and method
05/01/2003WO2003036313A1 Clock/skew measurement apparatus and clock/skew measurement method
05/01/2003US20030082959 Controlling electronics across an RF barrier using a serial interface bus
05/01/2003US20030080724 Phase noise measurement module and method for a spectrum analyzer
05/01/2003US20030080277 Electromagnetic radiation monitor
04/2003
04/29/2003US6556933 Transducer instability detection in a digital channel
04/29/2003US6556028 Method and apparatus for detecting defects in piezoelectric actuators
04/29/2003US6556025 DC/low frequency sub-atto signal level measurement circuit
04/29/2003US6556023 Apparatus and method for measuring electromagnetic radiation
04/29/2003US6556002 Wideband instantaneous polarization measurement
04/29/2003US6555998 Apparatus and method for simulation of electromagnetic field and storage medium storing programs therfor
04/24/2003WO2003034626A1 Device for automatically detecting harmful electromagnetic wave
04/24/2003US20030076092 Electric and magnetic field detection device and electric and magnetic field measurement apparatus
04/23/2003CN1106577C 电场传感器 Electric field sensor
04/22/2003US6553213 Transmitter output power detecting circuit
04/22/2003US6552556 Prober for electrical measurement of potentials in the interior of ultra-fine semiconductor devices, and method of measuring electrical characteristics with said prober
04/17/2003WO2003032007A2 Dosimeter having charge-measuring device with wide dynamic range
04/17/2003US20030071222 Charge measuring device with wide dynamic range
04/15/2003US6549571 Circuitry and method for duty measurement
04/10/2003WO2003030299A1 Field probe
04/09/2003EP0721700B1 Measurement of gain error in a base station receiver, and improvement in field strength measurement
04/08/2003US6546345 System and method for measuring extinction ratio and deterministic jitter
04/08/2003US6545459 RF isolation test device accommodating multiple nest plates for testing different devices and providing variable testing options
04/03/2003US20030064721 Process for analysing the ambient electromagnetic field and associated portable device
04/03/2003US20030063039 Field probe
04/03/2003US20030061883 Method and apparatus for measuring material property
04/02/2003EP1298822A2 Transceiver suitable for data communication between wearable computers
04/02/2003CN1407731A Resonance antenna
04/01/2003US6542112 Interference cancellation in antenna test
04/01/2003US6541984 Method and system for measuring electromagnetic waves, and recording medium in which electromagnetic wave measurement control program is recorded
04/01/2003US6541954 Circuit apparatus for sensing line conditions in a three phase power line
03/2003
03/27/2003WO2003025683A1 High accuracy timing and jitter measurement system and methods
03/27/2003US20030058970 Method and apparatus for measuring a waveform
03/27/2003US20030058166 Apparatus and method for calibrating array antenna
03/27/2003US20030057977 Spacing compensating electrostatic voltmeter
03/26/2003EP1296465A1 Calibration system for array antenna receiving apparatus
03/26/2003EP1296150A1 Wearable electric field detector
03/26/2003EP1295223A2 Method and apparatus for modeling three-dimensional electromagnetic scattering from arbitrarily shaped three-dimensional objects
03/26/2003CN1406088A Apparatus and method for calibrating array antenna
03/26/2003CN1405570A Clock offset indicating apparatus and system capable of indicating integrated circuit chip clock offset
03/26/2003CN1103923C Electric current sensor
03/20/2003US20030052698 Signal reproduction block
03/20/2003US20030052691 Apparatus and method for detection and measurement of environmental parameters
03/20/2003US20030052664 Structure and the method for measuring the spectral content of an electric field as a function of position inside a plasma
03/19/2003EP1294047A2 Apparatus and method for calibrating array antenna
03/19/2003EP1292837A2 Apparatus and method for production testing of the rf performance of wireless communications devices
03/18/2003CA2275781C Semiconductor device evaluation apparatus and semiconductor device evaluation program product
03/18/2003CA2243226C Three-phase electrical power measurement system
03/13/2003WO2003021824A1 Portable radio terminal testing instrument using a single self-complementary antenna
03/13/2003US20030050760 Electromagnetic wave analyzer and program for same
03/13/2003US20030048107 Apparatus and method for detection and measurement of environmental parameters
03/11/2003US6531884 Diagnostics for piezoelectric sensor
03/06/2003WO2003019207A1 Ultra-wide band pulse dispersion spectrometry method and apparatus providing multi-component composition analysis
03/06/2003WO2003019205A1 Diagnostics for piezoelectric sensor
03/06/2003WO2003019204A2 Sensor for non-contacting electrostatic detector
03/06/2003WO2003019203A1 Sensor for non-contacting electrostatic detector
03/06/2003WO2003019123A2 Apparatus and a method for pulse detection and characterization
03/06/2003US20030042907 Sensor for non-contacting electrostatic detector
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