| Patents for G01R 23 - Arrangements for measuring frequencies; Arrangements for analysing frequency spectra (7,503) |
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| 01/25/2006 | CN1725024A Realtime power mask trigger |
| 01/24/2006 | US6989680 Detection of coolant contamination in lubricating fluids |
| 01/24/2006 | US6989664 RF power sensor for measuring an RF signal power using capacitance |
| 01/24/2006 | US6989663 Flatness correction |
| 01/19/2006 | US20060015277 Realtime power mask trigger |
| 01/19/2006 | US20060012379 Instantaneous voltage lowering detection device |
| 01/19/2006 | CA2473456A1 Slide-screw tuner with single corrugated rf slug |
| 01/19/2006 | CA2473454A1 Interferometric load-pull tuner |
| 01/15/2006 | CA2473702A1 Load-pull slide-screw tuner with single corrugated rf slug |
| 01/12/2006 | WO2006004569A2 Algorithm for estimation of multiple faults on a transmission line or waveguide |
| 01/12/2006 | US20060009932 Harmonic diagnosing method for electric facility |
| 01/11/2006 | EP1614016A2 System and method for waveform classification and characterization using multidimensional higher-order statistics |
| 01/11/2006 | CN1236320C Multi-channel high-accuracy voltage and ringing current tester |
| 01/10/2006 | US6985854 Information processing device, picture producing method, and program storing medium |
| 01/10/2006 | US6985824 Frequency measuring device |
| 01/10/2006 | US6985819 DMM module for portable electronic device |
| 01/10/2006 | US6984986 Situ fluid condition monitoring |
| 01/04/2006 | CN1715935A Method for preventing static noise error code and digital filtering in remote control toy chip |
| 12/29/2005 | US20050285606 Delay lock circuit having self-calibrating loop |
| 12/29/2005 | US20050285605 Delay lock circuit having self-calibrating loop |
| 12/27/2005 | US6980932 Digital measurements of spread spectrum clocking |
| 12/27/2005 | US6980915 Phase noise compensation for spectral measurements |
| 12/27/2005 | US6980913 Methods of determining channel information based on energy measured at multiple frequencies |
| 12/27/2005 | US6979995 Frequency measuring circuit and resonant pressure sensor type differential pressure/pressure transmitter using the frequency measuring unit |
| 12/27/2005 | US6979993 Frequency analyzing method, frequency analyzing apparatus, and spectrum analyzer |
| 12/22/2005 | WO2005121815A1 Apparatus for analyzing wideband signals, wideband period jitter, and wideband skew |
| 12/22/2005 | US20050283326 Signal detection |
| 12/22/2005 | US20050280407 Delay-locked loop and a method of testing a delay-locked loop |
| 12/21/2005 | EP1330658B1 Bist method for testing cut-off frequency of low-pass filters |
| 12/15/2005 | WO2005119918A1 Analog/digital converting method and analog/digital converting apparatus |
| 12/15/2005 | WO2005093367A3 Stud sensor with floating head |
| 12/15/2005 | US20050278130 Systems, methods, and devices for generating pulses |
| 12/15/2005 | US20050275395 Independent measurement of complicated transfer functions |
| 12/15/2005 | DE102005021247A1 Eigenschaftsmessverfahren für Hochfrequenzschaltung, Kalibriermuster und Kalibriervorrichtung Property Measuring method for high frequency circuit calibration pattern and calibration |
| 12/14/2005 | EP1604215A1 Generation and measurement of timing delays by digital phase error compensation |
| 12/08/2005 | US20050273320 Wideband signal analyzing apparatus, wideband period jitter analyzing apparatus, and wideband skew analyzing apparatus |
| 12/08/2005 | US20050273287 Systems, methods, and devices for providing pulses to a motion device |
| 12/08/2005 | US20050270213 Method for converting A/D, and an A/D converting apparatus |
| 12/08/2005 | US20050269515 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 |
| 12/07/2005 | CN1230683C Simultaneous display of primary measurement values and derived parameters |
| 12/06/2005 | US6973395 Observation and/or failure inspection apparatus, method and program therefor |
| 12/01/2005 | WO2005114141A2 Decoding an alternator output signal |
| 12/01/2005 | US20050267701 Systems, methods, and devices for generating variable-frequency pulses |
| 11/29/2005 | US6970700 Power delivery system |
| 11/29/2005 | US6970000 Measuring device, in particular vectorial network analyzer, with separate oscillators |
| 11/24/2005 | WO2005112255A1 Frequency stabilization for free running class-d amplifier |
| 11/24/2005 | WO2005111858A2 Systems and methods for the accurate and rapid estimation of time-varying signal components |
| 11/24/2005 | US20050261880 Noise compensation for spectrum analyzer |
| 11/24/2005 | US20050261847 Display method for signal analyzer |
| 11/24/2005 | US20050258819 Property measurement method for high frequency circuit, calibration pattern, and calibration jig |
| 11/24/2005 | US20050258815 Method for measuring a three-port device using a two-port vector network analyzer |
| 11/24/2005 | DE19901751B4 Mehrfachüberlagerungsstufe für einen Empfänger oder Spektrumanalysator Multiple superposition stage for a receiver or spectrum analyzer |
| 11/24/2005 | DE102005019164A1 Ring-Spannungserzeugungsschaltung und Verfahren zum Erzeugen einer Ring-Spannung Ring voltage generation circuit and method for generating a ring-voltage |
| 11/24/2005 | DE102005017545A1 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 |
| 11/24/2005 | DE102005017217A1 Verfahren und Apparatur zur Messung von Phasenrauschen Method and apparatus for measuring phase noise |
| 11/23/2005 | EP1540358A4 Frequency estimation |
| 11/22/2005 | US6968278 Reducing the occurrence of spurs when analyzing signals |
| 11/22/2005 | US6967503 Comparator |
| 11/17/2005 | US20050256705 Noise spectrum estimation method and apparatus |
| 11/17/2005 | US20050256657 Digital broadband frequency measurement |
| 11/17/2005 | US20050256656 Frequency rectification system: apparatus and method |
| 11/17/2005 | US20050256651 Algorithm for estimation of multiple faults on a transmission line or waveguide |
| 11/17/2005 | US20050254641 Ring voltage generation circuit and method for generating a ring voltage |
| 11/17/2005 | US20050253572 Delay locked loop circuit and method for testing the operability of the circuit |
| 11/16/2005 | EP1596207A2 Frequency rectification system: apparatus and method |
| 11/16/2005 | CN1227823C Wide-bandwidth high-impedance transceiver for electronic identification system |
| 11/15/2005 | US6965275 Method and apparatus for tuning a filter |
| 11/15/2005 | US6965224 Method and apparatus for testing synchronization circuitry |
| 11/10/2005 | US20050251353 System and method for analyzing an electrical network |
| 11/10/2005 | DE102004020278A1 Spektrumanalysator mit hoher Geschwindigkeit und gleichzeitig hoher Auflösung Spectrum analyzer with high speed and high resolution simultaneously |
| 11/09/2005 | CN2739645Y Full-phase FFT spectrum analyzing device |
| 11/09/2005 | CN1693906A System and method for analyzing an electrical network |
| 11/03/2005 | US20050242890 Adaptive frequency detector of phase locked loop |
| 11/03/2005 | US20050241362 Method and device for detecting period length fluctuations of periodic signals |
| 11/02/2005 | EP1592131A1 Spectrum analyzer having high speed as well as high resolution |
| 11/02/2005 | EP1591795A1 Harmonic diagnosing method for electric facility |
| 10/27/2005 | WO2005101032A1 Power quality monitoring |
| 10/27/2005 | US20050240367 Method of mapping linearly spaced spectrum points to logarithmically spaced frequency and a measuring apparatus using the method |
| 10/27/2005 | US20050238094 Method and an apparatus for measuring phase noise |
| 10/27/2005 | DE102004050912A1 Verfahren und Vorrichtung zur Erhöhung des Dynamikbereichs und der Meßgenauigkeit einer Meßeinrichtung zur Spektrum- und/oder Netzwerkanalyse A method and apparatus for increasing the dynamic range and the measurement accuracy of a measuring device for spectrum and / or network analysis |
| 10/27/2005 | DE102004042069A1 Phasenrauschkompensation für Spektralmessungen Phase noise compensation for spectral measurements |
| 10/25/2005 | US6959250 Method of analyzing electromagnetic interference |
| 10/25/2005 | US6958630 High-frequency detection method and high-frequency detection circuit |
| 10/20/2005 | US20050234667 System and method for processing a periodic or cyclostationary signal |
| 10/20/2005 | US20050234661 Algorithm for estimation of multiple faults on a transmission line or waveguide |
| 10/20/2005 | US20050231871 Three-phase power signal processor |
| 10/19/2005 | EP0812425B1 Process and machine for signal waveform analysis |
| 10/18/2005 | US6956430 Distortion detector |
| 10/13/2005 | WO2005072264A3 System and method for adjusting a pid controller in a limited rotation motor system |
| 10/13/2005 | US20050228604 Method and apparatus for calibrating a frequency domain reflectometer |
| 10/12/2005 | CN1223087C Spectrum modeling |
| 10/06/2005 | WO2005093367A2 Stud sensor with floating head |
| 10/06/2005 | US20050222788 Method and device for increasing the dynamic range and measuring accuracy of a measuring device for spectrum and/or network analysis |
| 10/06/2005 | US20050220313 Howling frequency component emphasis method and apparatus |
| 10/06/2005 | CA2553727A1 Stud sensor with floating head |
| 10/05/2005 | CN1678129A Howling frequency component emphasis method and apparatus |
| 10/05/2005 | CA2503685A1 Three-phase power signal processor |
| 10/05/2005 | CA2464836A1 A novel system for analysis and synthesis of power system signals |
| 09/29/2005 | US20050216214 Phase noise compensation for spectral measurements |
| 09/29/2005 | US20050212450 Method and system for detecting electrical arcing in a plasma process powered by an AC source |