| Patents for G01R 23 - Arrangements for measuring frequencies; Arrangements for analysing frequency spectra (7,503) |
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| 05/10/2006 | EP1654548A1 Digital data signal testing using arbitrary test signal |
| 05/09/2006 | US7043383 Frequency error detection apparatus and method based on histogram information on input signals |
| 05/09/2006 | US7042206 Integrated circuit and method for operating the integrated circuit |
| 05/04/2006 | DE112004000798T5 Signalmessvorrichtung Signal measuring device |
| 05/04/2006 | DE102004058255A1 Method of determining the duration of a measurement signal using inverse Fourier transformation and interpolation |
| 05/02/2006 | US7038497 Differential current mode phase/frequency detector circuit |
| 05/02/2006 | US7038496 Device for comparison of frequencies with low temporal inertia |
| 05/02/2006 | US7038468 Method and a test setup for measuring large-signal S-parameters that include the coefficients relating to the conjugate of the incident waves |
| 04/25/2006 | US7035744 Method and system for measuring the energy of a signal |
| 04/25/2006 | US7035324 Phase-noise measurement with compensation for phase noise contributed by spectrum analyzer |
| 04/25/2006 | US7034515 Instantaneous voltage lowering detection device |
| 04/20/2006 | WO2006040699A1 Non-linear frequency and phase measurement scheme |
| 04/20/2006 | WO2006039913A1 Measuring device for analysis of memory effects in electronic components |
| 04/20/2006 | WO2006039800A1 Operating environment analysis techniques for wireless communication systems |
| 04/20/2006 | CA2583273A1 Operating environment analysis techniques for wireless communication systems |
| 04/19/2006 | EP1646881A1 Improved frequency determination |
| 04/19/2006 | CN1252483C BIST method for testing cut-off frequency of low-pass filters |
| 04/18/2006 | US7031393 Block distortion detection method, block distortion detection apparatus, block distortion removal method, and block distortion removal apparatus |
| 04/13/2006 | DE19901750B4 Anordnung zum Messen des Phasenrauschens des Ausgangssignals eines Meßobjektes Arrangement for measuring the phase noise of the output signal of a test object |
| 04/13/2006 | DE10196666B4 Verfahren zur Messung mittels Wobbelfrequenzumsetzung Method for measurement by Wobbelfrequenzumsetzung |
| 04/12/2006 | CN1251041C Frequency detecting circuit and data processor |
| 04/11/2006 | US7027933 Method for analyzing mass spectra |
| 04/11/2006 | US7027545 Data sampler for digital frequency/phase determination |
| 04/11/2006 | US7026865 Analogue amplifier with multiplexing capability |
| 04/11/2006 | US7026805 Method of setting grids and/or markers in measuring apparatus |
| 04/06/2006 | WO2006034791A1 Method and device for analysing the spectrum in several frequency ranges having different resolutions |
| 04/06/2006 | WO2006034681A1 Method and test device for testing a/d converters |
| 04/06/2006 | DE112004000905T5 Phasenmessvorrichtung, Verfahren, Programm und Aufzeichnungsmedium Phase measuring device, method, program, and recording medium |
| 04/06/2006 | DE102004051386A1 Verfahren und Vorrichtung zur Spektrumanalyse in mehreren Frequenzbändern mit verschiedener Frequenzauflösung Method and apparatus for spectral analysis in several frequency bands with different frequency resolution |
| 04/06/2006 | DE102004047042A1 Verfahren und Vorrichtung zur Spektrumanalyse eines Nutz- oder Rauschsignals Method and apparatus for spectral analysis of a useful signal or noise signal |
| 04/06/2006 | DE102004046190A1 Motor vehicle seat occupancy detection device, has evaluator connected to detection unit to detect vehicle seat occupancy when change in predetermined resonance characteristics exceeds assigned threshold |
| 04/05/2006 | EP1502128B1 Method for assigning a pulse response to one of a plurality of pulse types with different decay times and device for carrying out said method |
| 04/05/2006 | CN1755386A Circuit for detecting voltage and frequency of input power supply |
| 04/04/2006 | US7024320 Method and system for determining the position of a short circuit in a branched wiring system |
| 04/04/2006 | US7023195 Module, system and method for testing a phase locked loop |
| 03/30/2006 | WO2006033676A2 Digital broadband frequency measurement |
| 03/30/2006 | US20060066291 Test circuit for delay lock loops |
| 03/30/2006 | US20060066289 Method and apparatus for measuring a digital device |
| 03/30/2006 | DE19756572B4 Apparat zur Erkennung eines Fernsehübertragungssystems und dazugehöriges Verfahren Apparatus for the detection of a television transmission system and associated method |
| 03/30/2006 | DE102004015022B4 Direktfrequenzsynthesizer für einen Versatzschleifensynthesizer Direct frequency synthesizer for an offset loop synthesizer |
| 03/29/2006 | EP1640732A1 Method and apparatus for zero-mixing spectrum analysis with Hilbert transform |
| 03/29/2006 | EP1639377A1 High-frequency measuring system having spatially separated high-frequency modules |
| 03/29/2006 | CN1248411C High-frequency oscillator |
| 03/28/2006 | US7020568 Apparatus and method for generating wander noise |
| 03/28/2006 | US7019510 Portable ultra wide band handheld VNA |
| 03/28/2006 | US7019509 Digital envelope detector |
| 03/27/2006 | CA2525779A1 A method and apparatus for measuring the input frequency response of a digital receiver |
| 03/27/2006 | CA2484951A1 Method and apparatus for phase determination |
| 03/23/2006 | WO2006030188A1 Method and apparatus for measuring the frequency of a received signal |
| 03/21/2006 | US7015727 Generating a lock signal indicating whether an output clock signal generated by a PLL is in lock with an input reference signal |
| 03/21/2006 | US7015701 Highly time resolved impedance spectroscopy |
| 03/21/2006 | US7013563 Method of testing spacings in pattern of openings in PCB conductive layer |
| 03/16/2006 | US20060055394 Network analyzer including automatic port extension calibration and method of operation |
| 03/16/2006 | DE112004000835T5 Signalmess-/Anzeigevorrichtung und Verfahren Signal measurement / display device and method |
| 03/16/2006 | DE102004037577A1 Verfahren zum Messen des Phasenrauschens eines Hochfrequenzsignals und Meßgerät zum Ausführen dieses Verfahrens A method for measuring the phase noise of high frequency signal and measuring apparatus for carrying out this method |
| 03/09/2006 | DE102005013271A1 Rauschkompensation für Spektralanalysator Noise compensation for spectrum analyzer |
| 03/08/2006 | CN1744435A Frequency rectification system, apparatus and method |
| 03/07/2006 | US7010446 Method and structure for mitigating instrumentation differences |
| 03/07/2006 | US7010444 Measuring apparatus and measuring method for pattern dependent jitter |
| 03/07/2006 | US7009407 Delay lock circuit having self-calibrating loop |
| 03/02/2006 | US20060047452 Method of estimating parameters of time series data using fourier transform |
| 03/01/2006 | EP1630687A2 Method of estimating parameters of time series data using fourier transform |
| 03/01/2006 | EP1629388A1 A network analyzing method and a network analyzing apparatus |
| 02/28/2006 | US7006935 Synchronous vector measuring device |
| 02/28/2006 | CA2357959C Noise level calculator for echo canceller |
| 02/23/2006 | US20060041395 System and method for integrating environmental sensors and asynchronous ubication repeaters forming an n-point spatially random virtual lattice network |
| 02/23/2006 | DE102005033256A1 Spektrogramm-Maskentrigger Spectrogram Mask Trigger |
| 02/23/2006 | DE102004039441A1 Verfahren zur Ermittlung der komplexen Spektrallinien eines Signals Method for determining the complex spectral lines of a signal |
| 02/21/2006 | US7003415 Delay profile estimation apparatus and a correlating unit |
| 02/21/2006 | US7003414 Monitoring system and method implementing failure time spectrum scan |
| 02/21/2006 | US7003262 Method and device for determining sideband ratio of superconduction mixer using comb generator |
| 02/21/2006 | US7002358 Method and apparatus for measuring jitter |
| 02/21/2006 | US7002335 Method for measuring a three-port device using a two-port vector network analyzer |
| 02/16/2006 | US20060036382 Capacitance, inductance and impedance measurements using multi-tone stimulation and DSP algorithms |
| 02/15/2006 | EP1626285A1 Method for Determining the Complex Spectral Lines of a Signal |
| 02/14/2006 | US6999899 System for surveillance of spectral signals |
| 02/14/2006 | US6999885 System and method for processing a periodic or cyclostationary signal |
| 02/14/2006 | US6998836 Low loss integration of wafer probes with microwave tuners |
| 02/14/2006 | US6998835 Electromagnetic sensor system and method |
| 02/14/2006 | US6998833 System and method for determining S-parameters using a load |
| 02/09/2006 | US20060031034 Frequency alignment acceleration control for a motor |
| 02/09/2006 | DE102005032532A1 Echtzeit-Leistungsmaskentrigger Real-time performance mask trigger |
| 02/09/2006 | DE102004063592A1 System und Verfahren zum Analysieren eines elektrischen Netzwerkes System and method for analyzing an electrical network |
| 02/07/2006 | US6995558 System and method for characterizing a sample by low-frequency spectra |
| 02/07/2006 | US6995554 Delay-locked loop and a method of testing a delay-locked loop |
| 02/07/2006 | US6995553 User interface for operating upon an eye diagram to find optimum sampling parameters for a receiver |
| 02/07/2006 | US6995552 Voltage modulator circuit to control light emission for non-invasive timing measurements |
| 02/02/2006 | US20060025947 Spectrogram mask trigger |
| 02/02/2006 | US20060025946 Integrated spectrum analyzer circuits and methods for providing on-chip diagnostics |
| 02/02/2006 | DE10323231B4 Erkennung eines periodischen frequenzoffset-behafteten Nutzsignals durch mehrfache parallele Kreuzkorrelation mit einem bekannten Signal unter Nutzung von Frequenzverschiebungen Detection of a periodic frequency-offset-inflicted useful signal by multiple parallel cross-correlation with a known signal using frequency shifts |
| 02/01/2006 | CN2755616Y AC effective value measuring device |
| 02/01/2006 | CN1729721A Sensing light emitted from multiple light sources |
| 02/01/2006 | CN1727907A Spectrogram mask trigger |
| 02/01/2006 | CN1727906A Cycle sampling method in quality of power supply in electrical network |
| 01/31/2006 | US6993376 Radiation measurement within the human body |
| 01/26/2006 | WO2005114141A3 Decoding an alternator output signal |
| 01/26/2006 | WO2004088454A3 Waveform classification and characterization using multidimensional higher-order statistics |
| 01/26/2006 | US20060017428 Electrical magnetic interference test system |
| 01/25/2006 | EP1227591B1 Frequency measurement circuit |
| 01/25/2006 | EP1095283B1 Method for measuring the frequency of a sinusoidal signal |