Patents
Patents for G01R 29 - Arrangements for measuring or indicating electric quantities not covered by groups (11,937)
01/2006
01/04/2006EP1611464A1 System and method for spectral corrected lightning detection
01/04/2006EP1554589A4 Method and apparatus for determining inter-symbol interference for estimating data dependent jitter
01/04/2006CN2750325Y Electric field induction detector
01/03/2006US6982681 Apparatus for detecting electromagnetic radiation, in particular for radio astronomic applications
01/03/2006US6982549 Micro-electrometer
12/2005
12/29/2005WO2005124375A2 Method and data processing device for simulating a piezoelectric actuator and computer program
12/29/2005WO2005083626A3 Magnetostrictive sensor for measuring distances
12/29/2005WO2005057943A3 Frequency and timing error estimation and corresponding channel characterization in a communication system
12/29/2005US20050286627 System and method of obtaining random jitter estimates from measured signal data
12/29/2005DE102004028441A1 Verfahren und Vorrichtung für die Messung eines Signals Method and apparatus for the measurement of a signal
12/29/2005CA2472865A1 Fibre monitoring apparatus and method
12/28/2005EP1608989A1 Electric potential measuring device using oscillating device, image forming apparatus, and electric potential measuring method
12/28/2005CN1234013C Charging voltage detector for substrate and ion beam radiator
12/27/2005US6980932 Digital measurements of spread spectrum clocking
12/27/2005US6979992 Portable radiated emissions measurement system
12/22/2005WO2005121820A1 Method and apparatus to reduce jitter by adjusting vertical offset
12/22/2005WO2005121819A1 Electric potential measuring instrument and image forming apparatus
12/22/2005WO2005121818A1 Method and device for measuring a signal
12/22/2005WO2005121815A1 Apparatus for analyzing wideband signals, wideband period jitter, and wideband skew
12/22/2005US20050280591 Antenna efficiency test device
12/22/2005US20050280590 Method and apparatus to control an antenna efficiency test device
12/22/2005DE10243244B4 Verfahren zur Durchführung von Reflexionsmessungen an Antennensystemen Method of performing reflection measurements at antenna systems
12/22/2005DE102004008994B4 Error diagnosis process in high voltage networks determines error affected phase then earths a non affected phase and finds distance to the fault by impedance measurement
12/22/2005DE10162802B4 Verfahren und Vorrichtung zur Ermittlung von Inhomogenitäten des Schirmverhaltens geschirmter elektrischer Leiter Method and apparatus for determining inhomogeneities of the screen behavior of shielded electrical conductors
12/21/2005EP1606637A1 Device, system and method for monitoring electromagnetic fields
12/21/2005CN1710432A Bridge-type electric-field microsensor
12/21/2005CN1710431A P-shape differential electric-field micro-sensor
12/15/2005WO2005119041A1 Method and system for providing an improved phase signal of a phase sensor that is located on a camshaft of an internal combustion engine
12/15/2005WO2005043176A3 Probe testing structure
12/15/2005US20050278132 PWM dual store protection
12/15/2005US20050278131 Delay element calibration
12/15/2005US20050275382 Charge consumption monitor for electronic device
12/15/2005DE19710040B4 Verfahren zum Messen der Entfernungen und Richtungen der Entstehungsorte von Partialwellen A method for measuring the distances and directions of the birthplaces of partial waves
12/15/2005DE102004001692B4 Prüfverfahren und Prüfeinrichtung für einen Piezoaktor Test methods and testing device for a piezoelectric actuator
12/14/2005EP1605276A1 Localisation of an electromagnetic radiation source located on a eletrical equipment
12/14/2005EP1605270A1 Antenna for measuring the ambient electromagnetic field
12/14/2005EP1604215A1 Generation and measurement of timing delays by digital phase error compensation
12/13/2005US6975490 Apparatus and method for detecting phase state
12/13/2005US6975111 Method and device for measuring intensity of electromagnetic field, method and device for measuring current-voltage distribution, and method for judging quality of electronic device, and electronic device thereof
12/08/2005WO2005117322A1 Method of determining true error vector magnitude in a wireless lan
12/08/2005WO2005116668A1 Method and apparatus for detecting the phase wiring of an arbitrary unknown phase voltage relative to a reference phase voltage
12/08/2005US20050273320 Wideband signal analyzing apparatus, wideband period jitter analyzing apparatus, and wideband skew analyzing apparatus
12/08/2005US20050273286 Methods for identifying brain nuclei from micro-electrode signals
12/08/2005US20050271162 Techniques to adjust vertical offset
12/07/2005EP1320758B9 Microwave holographic measuring method and apparatus
12/07/2005CN2745071Y Phase failure alarm for three-phase motor
12/07/2005CN1705885A Method and apparatus for determining inter-symbol interference for estimating data dependent jitter
12/07/2005CN1230683C Simultaneous display of primary measurement values and derived parameters
12/06/2005US6973395 Observation and/or failure inspection apparatus, method and program therefor
12/06/2005US6972976 Compensation method for a voltage unbalance
12/01/2005US20050267696 Measurement instrument and measurement method
12/01/2005US20050264469 Antenna coupler
12/01/2005DE19919946B4 Verfahren, Vorrichtung und Messortreferenzquelle zum Erzeugen eines Signals mit einer programmierbaren Frequenz A method, apparatus and Messortreferenzquelle for generating a signal having a programmable frequency
11/2005
11/30/2005EP1601129A1 Method of determining true error vector magnitude in a wireless lan
11/30/2005CN1229780C Optical disc device and its producing method for clock signal and method for setting its optical quantum
11/24/2005WO2005111636A1 Method of operating a shielded connection, and communications network
11/24/2005WO2004095758A3 Signal classification methods for scanning receiver and other applications
11/24/2005US20050261880 Noise compensation for spectrum analyzer
11/24/2005DE102005017545A1 Verfahren zur Kartierung von Spektrumspunkten mit linearem Abstand auf eine Frequenz mit logarithmischem Abstand und Messapparatur, die das Verfahren einsetzt A method for mapping of spectrum points with linearly spaced on a logarithmic frequency interval and measuring apparatus employing the method
11/24/2005DE102005017217A1 Verfahren und Apparatur zur Messung von Phasenrauschen Method and apparatus for measuring phase noise
11/24/2005DE102004033383A1 Antennenkoppler Antenna
11/23/2005EP1598794A2 Method and system for managing measurements
11/23/2005EP1598674A1 Method of displaying high resistance ground in a three phase network
11/23/2005EP1597602A2 Solid phase sequencing
11/23/2005CN2742451Y 集成同轴式微波检波器 Integrated coaxial microwave detector
11/23/2005CN1701236A Electric field sensor and adjustment method thereof
11/17/2005WO2005109571A1 Antenna coupler
11/17/2005US20050256705 Noise spectrum estimation method and apparatus
11/17/2005US20050256679 Adaptive data collection
11/17/2005US20050253762 Mobile electromagnetic compatibility (EMC) test laboratory
11/17/2005DE10126830B4 Bewertungsgleichrichter für Pulsstörungen Review rectifier for pulse interference
11/16/2005EP1596209A1 Electromagnetic field measuring device, its control system, and its electronic circuit
11/16/2005EP1530837A4 Low power interference signal code power (iscp) measurement
11/16/2005CN1696718A Method for measuring phase sequence through sampling three-phases AC in slicing time
11/16/2005CN1227823C Wide-bandwidth high-impedance transceiver for electronic identification system
11/15/2005US6965242 Procedure and apparatus for the determination of the noise level of an electronic object to be measured
11/15/2005US6965239 Electric potential sensor, and image forming apparatus
11/10/2005WO2005106509A1 Device for informing a mobile telephone user
11/10/2005US20050251353 System and method for analyzing an electrical network
11/10/2005US20050248354 Frequency rectification tool for shorter waveforms
11/10/2005US20050248335 Electrostatic sensors
11/09/2005EP1593985A1 Device for detecting the mode of a transmitter used in a searching device for avalanche victims
11/09/2005EP1423716A4 Emi analyzer capable of analyzing and reducing each electromagnetic interference component
11/09/2005EP1305643B1 Signal measurement
11/09/2005CN1695062A Synthetic RF detection system and method
11/09/2005CN1693911A Anti-radiation electric field microsensor
11/09/2005CN1693910A Miniature anti-radiation electric field sensor
11/09/2005CN1693909A Micro electric field sensor based on N-type metal-oxide transistor structure
11/09/2005CN1693908A Micro electric field sensor based on P-type metal-oxide transistor structure
11/09/2005CN1693907A Radio-frequency noise removing chamber with improvement testing platform
11/09/2005CN1693906A System and method for analyzing an electrical network
11/08/2005US6963204 Method to include delta-I noise on chip using lossy transmission line representation for the power mesh
11/03/2005WO2005103739A1 Method and device for measuring with synchronous detection and correlated sampling
11/03/2005US20050243950 Spectral jitter analysis
11/03/2005US20050242847 High speed source synchronous signaling for interfacing VLSI CMOS circuits to transmission lines
11/03/2005US20050241362 Method and device for detecting period length fluctuations of periodic signals
11/03/2005DE102004017548A1 Radio signals detection and analysis method, involves filtering sought radio signal in receiver based on basis and target information, from antenna signal, and detecting sought parameters and contents of classified radio signals
11/03/2005CA2562577A1 Method and device for measuring with synchronous detection and correlated sampling
11/02/2005EP1591796A1 Antenna identification system
11/02/2005EP1590676A1 Electrostatic sensors
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