G01R 23 - Arrangements for measuring frequencies; Arrangements for analysing frequency spectra

Patents for G01R 23 - Arrangements for measuring frequencies; Arrangements for analysing frequency spectra (7,503)
11/2006
11/16/2006	WO2006104770A3 Circuit and method for monitoring the status of a clock signal
11/16/2006	US20060258293 High-frequency measuring system having spatially separated high-frequency modules
11/16/2006	US20060258025 Fabrication method of IC inlet, ID tag, ID tag reader and method of reading date thereof
11/16/2006	US20060255790 Method and apparatus for detecting resonance in electrostatically driven elements
11/15/2006	CN1864073A System and method for characterizing a sample by low-frequency spectra
11/15/2006	CN1862263A Fast frequency measuring system and method
11/14/2006	US7136761 Digital flowmeter
11/09/2006	WO2006076488A3 Stepped frequency radar
11/09/2006	US20060250141 Communications test receiver
11/09/2006	DE102006021512A1 Jittermessvorrichtung und Jittermessverfahren Jitter and jitter
11/07/2006	US7134042 Frequency detection circuit and data processing apparatus
11/07/2006	US7132767 Method and circuit for switchover between a primary and a secondary power source
11/02/2006	WO2006115426A1 Method for controlling biological processes and a device for carrying out said method
11/02/2006	US20060244542 Startup/yank circuit for self-biased phase-locked loops
11/02/2006	US20060244436 Resonator based spectrum analyzer and method
10/2006
10/31/2006	US7129690 At-speed on-chip short clock cycle monitoring system and method
10/26/2006	WO2005111609A3 Methods for rapid screening of mad cow disease and other transmissible spongiform encephalopathies
10/26/2006	DE112004002262T5 Digitale QP Detektionsvorrichtung, Spektrumanalysator aufweisend dieselbe und ein Verfahren zur digitalen QP Detektierung Digital QP detecting device, spectrum analyzer comprising the same and a method for detecting digital QP
10/25/2006	EP1715352A2 Method and apparatus for diagnosing failures in a mechatronic system
10/24/2006	US7126324 Precision digital phase meter
10/24/2006	US7126321 Apparatus and method for measuring transmission delay time of a signal propagation path between printed circuit boards
10/19/2006	DE19780321B4 Selbstabstimmender und kompensierender Detektor für Wicklungsfehler Self-tuning and compensating winding fault detector
10/17/2006	US7124043 Spectrum analyzer with phase noise compensation
10/17/2006	US7124042 Estimating a plurality of tones in an input signal
10/17/2006	US7123181 Surveillance method and apparatus
10/17/2006	US7123023 Method and device for measuring intermodulation distortion
10/17/2006	US7123001 Delay-locked loop and a method of testing a delay-locked loop
10/17/2006	US7123000 Adjacent channel leakage power ratio measuring apparatus, channel power measuring apparatus method, program, and recording medium with recording the program
10/12/2006	WO2006080939A3 Spectrum searching method that uses non-chemical qualities of the measurement
10/12/2006	WO2006065677A3 Dynamic cut-off frequency varying filter
10/12/2006	US20060226824 Half bin linear frequency discriminator
10/12/2006	DE10349368B4 Verfahren zum Bestimmen eines Frequenzverhaltens eines elektrischen Bauelements und Anordnung zur Durchführung des Verfahrens A method of determining a frequency response of an electrical component and device for carrying out the method
10/11/2006	EP1710915A1 If counting method
10/10/2006	US7120546 Integrated spectrum analyzer for tuners
10/05/2006	WO2006049796A3 Communicating with an implanted wireless sensor
10/04/2006	EP1706801A1 System and method for diagnosing a controller in a limited rotation motor system
10/04/2006	EP1706776A1 System and method for virtual laser marking
10/04/2006	EP1706775A1 System and method for optimizing character marking performance
10/04/2006	CN1278462C Method for measuring semiconductor laser chip frequency response
10/03/2006	US7117029 Method of and apparatus for deriving indices characterizing atrial arrhythmias
10/03/2006	US7116114 Power supply noise measuring device
10/03/2006	US7116093 Tone generator and probe
10/03/2006	US7116092 Integrated spectrum analyzer circuits and methods for providing on-chip diagnostics
09/2006
09/28/2006	US20060214657 Polishing device using eddy current sensor
09/28/2006	DE19983488B4 System und Verfahren zur Frequenzkompensation in einer Energiemeßvorrichtung System and method for frequency compensation in a Energiemeßvorrichtung
09/27/2006	CN1837835A High-frequency clock jitter measuring circuit and calibration method thereof
09/26/2006	US7113879 Using vector network analyzer for aligning of time domain data
09/26/2006	US7113877 Signal detection
09/26/2006	US7113606 Adjustable harmonic distortion detector and method for using the same
09/21/2006	US20060212555 Network analyzing method and a network analyzing apparatus
09/21/2006	US20060212241 RFID tag imager
09/21/2006	US20060212238 Power quality monitoring
09/21/2006	US20060208897 Capacitive RFID tag encoder
09/21/2006	DE202006006830U1 Arrangement for two gate measurement of phase noise of an oscillator using spectrum analysis
09/20/2006	CN1276263C Electrical utility meter having harmonic data templates for power quality alarm thresholds
09/19/2006	US7110932 Method and circuit arrangement for regulating the operating voltage of a digital circuit
09/19/2006	US7110900 Determination of waveguide parameters
09/19/2006	US7110898 Method for digitally acquiring and compensating signals
09/14/2006	DE102005010882A1 Verfahren und Vorrichtung zur Identifizierung von Funkstörpegeln asynchron zur Messung des Frequenzspektrums A method and apparatus for identifying radio-interference levels asynchronously for measuring the frequency spectrum
09/14/2006	DE102005010498A1 Method for production of gaps in non linear resonance curves in which separately excited non linear electrical systems are used as direct-current voltage as measure of oscillation amplitude
09/13/2006	EP1701186A1 Electro-optic delay line discriminator
09/13/2006	EP1701170A1 Signal measuring/analyzing apparatus and method
09/13/2006	EP1701169A1 A method and apparatus for measuring duty cycle
09/12/2006	US7107166 Device for testing LSI to be measured, jitter analyzer, and phase difference detector
09/12/2006	US7107165 Markers used in the calculation and display of band functions
09/12/2006	US7106790 Method and apparatus for measuring a signal spectrum
09/12/2006	US7106236 Method for converting A/D, and an A/D converting apparatus
09/06/2006	CN2814422Y Apparatus for detecting pulse clock signal
09/05/2006	US7103491 Method of estimating parameters of time series data using fourier transform
09/05/2006	US7102795 Method for engraving printing cylinders
09/05/2006	US7102794 Method for engraving printing cylinders
09/05/2006	US7102361 Delay lock circuit having self-calibrating loop
08/2006
08/31/2006	US20060195279 Method and system for the detection and/or removal of sinusoidal interference signals in a noise signal
08/30/2006	EP1696570A2 Synchronised sinusoidal signal controller
08/29/2006	US7099417 Trace video filtering using wavelet de-noising techniques
08/29/2006	US7099016 Method and apparatus for zero-mixing spectrum analysis
08/29/2006	US7098646 Radio frequency power generation and power measurement
08/24/2006	WO2006004569A3 Algorithm for estimation of multiple faults on a transmission line or waveguide
08/24/2006	US20060190202 Sensor measurement method and system with universal data concentrators
08/24/2006	US20060190201 Derivation of composite step-function response
08/24/2006	US20060186871 Performance measurement of device dedicated to phase locked loop using second order system approximation
08/24/2006	DE102005006853A1 Measuring system for use in e.g. industrial area, has adjustment control device connected with resonance circuit and evaluating device and adjusting resonance frequency of variable resonant circuit depending on output signal
08/23/2006	CN1271542C Low leakage technique for determining power spectra of non-coherently sampled data
08/22/2006	US7096443 Method for determining the critical path of an integrated circuit
08/22/2006	US7095289 Yank detection circuit for self-biased phase locked loops
08/22/2006	US7095254 Method for producing a control signal which indicates a frequency error
08/22/2006	US7094721 Substituted barium titanate and barium strontium titanate ferroelectric compositions
08/17/2006	US20060181262 Electrochemical impedance spectroscopy system and methods for determining spatial locations of defects
08/17/2006	DE102005008734A1 Sinusoidal interfering signals detecting method, involves dividing overall frequency range into several frequency bands, where bands consist of frequency-band measuring signal of terminated sinusoidal signals and white intoxication signal
08/16/2006	CN1820203A Improved frequency determination
08/16/2006	CN1818683A Circuit and method for inspecting piezoelectric resonance mode by time-domain transient current
08/10/2006	WO2006082681A1 Spectrum analysis method, distortion detection device, and distortion compensation amplification device
08/10/2006	US20060176045 Plasma reactor and method of determining abnormality in plasma reactor
08/10/2006	DE102005012977A1 Sinusoidal interfering signal`s noise-measuring and/or identifying and/or removing method, involves adjusting parameters of auto correction matrices depending on selected method and target resultant quality
08/09/2006	EP1688751A1 Time correlation of signal power to distortion characteristics
08/09/2006	CN1815248A AC. frequency monitoring method
08/08/2006	US7088109 Method and apparatus for measuring a digital device
08/08/2006	US7088088 Triggered narrow-band method for making pulsed-RF networking measurements
08/08/2006	US7088086 Multi-channel radiometer imaging system
08/03/2006	WO2006079181A1 Frequency estimation

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