| Patents for G01R 23 - Arrangements for measuring frequencies; Arrangements for analysing frequency spectra (7,503) |
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| 09/29/2005 | DE10393448T5 Messvorrichtung und Verfahren zum Anzeigen eines Messergebnisses Measuring apparatus and method for displaying a measurement result |
| 09/28/2005 | EP0917765B1 Swept frequency device test |
| 09/22/2005 | WO2005086630A2 Reduced complexity transmission line and waveguide fault tester |
| 09/22/2005 | US20050208964 Use of a preselection filter bank and switched local oscillator counter in an instrumentation receiver |
| 09/22/2005 | US20050206459 Startup/yank circuit for self-biased phase-locked loops |
| 09/21/2005 | CN1220064C Distortion detector |
| 09/20/2005 | US6947508 Method and apparatus for estimating the frequency and/or phase of a digital signal |
| 09/20/2005 | US6946920 Circuit for locking an oscillator to a data stream |
| 09/15/2005 | WO2005085882A1 Frequency sensor and semiconductor device |
| 09/15/2005 | US20050203711 Method and apparatus for transmission line and waveguide testing |
| 09/15/2005 | US20050200368 Stud sensor with floating head |
| 09/15/2005 | DE102005010153A1 Systeme, Verfahren und ein Artikel zur Bestimmung von Frequenzwerten, die auf eine Vorrichtung angewendeten Kräften zugeordnet sind Systems, methods, and articles for determination of frequency values that are associated with forces applied to a device |
| 09/14/2005 | EP1575332A1 Resonance frequency sensing method, resonance frequency selecting method, and resonance frequency sensor |
| 09/14/2005 | EP1573484A2 System and method for manufacturing wireless devices |
| 09/13/2005 | US6944099 Precise time period measurement |
| 09/08/2005 | US20050197834 Systems, methods, and an article of manufacture for determining frequency values associated with forces applied to a device |
| 09/07/2005 | CN1664735A Systems, methods, and an article of manufacture for determining frequency values associated with forces applied to a device |
| 09/06/2005 | US6941237 Signal detection |
| 09/06/2005 | US6940264 Near field probe |
| 08/25/2005 | US20050184739 Delay lock circuit having self-calibrating loop |
| 08/23/2005 | US6934649 Waveform detection system and state-monitoring system |
| 08/18/2005 | WO2005075942A1 Non-stationary wave analysis system |
| 08/18/2005 | US20050180066 Frequency-current conversion circuit, equalizer, and optical disc apparatus |
| 08/18/2005 | US20050179924 Option module using clock frequency, electric device, and methods therefor |
| 08/18/2005 | US20050179683 Measurement device and method for displaying measurement result |
| 08/18/2005 | US20050179505 Method and apparatus for tuning a filter |
| 08/17/2005 | CN1655272A Frequency-current conversion circuit, equalizer, and optical disc apparatus |
| 08/16/2005 | US6931513 Data converter with statistical domain output |
| 08/11/2005 | WO2005073819A1 System and method for diagnosing a controller in a limited rotation motor system |
| 08/11/2005 | WO2005073783A1 System and method for optimizing character marking performance |
| 08/11/2005 | WO2005073782A1 System and method for virtual laser marking |
| 08/11/2005 | WO2005073738A1 Phase measurement device, method, program, and recording medium |
| 08/11/2005 | WO2005073737A1 Measurement device, method, program, and recording medium |
| 08/11/2005 | WO2005072264A2 System and method for adjusting a pid controller in a limited rotation motor system |
| 08/11/2005 | US20050177330 System and method for optimizing character marking performance |
| 08/11/2005 | US20050174124 System and method for diagnosing a controller in a limited rotation motor system |
| 08/04/2005 | WO2005069943A2 Method and apparatus for calibrating a frequency domain reflectometer |
| 08/04/2005 | WO2005069883A2 Method and apparatus for transmission line and waveguide testing |
| 08/04/2005 | US20050168209 Near field probe |
| 08/03/2005 | CN1648676A Self adaptive phasor calculating method |
| 08/03/2005 | CN1213377C Device and method for detecting long term frequency stability of clock |
| 08/03/2005 | CN1213306C Radio-frequency power sensor using capacitance to measure radio frequency signal power |
| 08/02/2005 | US6924632 Frequency/signal converter and switching regulator having such a converter |
| 07/28/2005 | US20050165590 System and method for virtual laser marking |
| 07/28/2005 | US20050165568 Alias detection when displaying FFTS |
| 07/28/2005 | US20050162174 System and method for adjusting a pid controller in a limited rotation motor system |
| 07/27/2005 | EP1557681A2 Noise detection device |
| 07/27/2005 | EP1474696B1 Method and apparatus for zero-mixing spectrum analysis |
| 07/27/2005 | CN1645154A Noise detection device |
| 07/26/2005 | US6922047 Startup/yank circuit for self-biased phase-locked loops |
| 07/21/2005 | US20050159908 Method and device for measuring intermodulation distortion |
| 07/21/2005 | US20050157829 Noise detection device |
| 07/21/2005 | US20050156586 Combination test method and test device |
| 07/21/2005 | US20050156585 Reduced complexity transmission line and waveguide fault tester |
| 07/20/2005 | EP1129361A4 A method and system for updating noise estimates during pauses in an information signal |
| 07/14/2005 | US20050154546 Hardware implementation of the pseudo-spectral time-domain method |
| 07/14/2005 | US20050151532 Synchronous vector measuring device |
| 07/12/2005 | US6917192 Circuitry for reducing leakage currents in a transmission gate switch using very small MOSFET devices |
| 07/12/2005 | US6917191 Frequency measurement circuit |
| 07/05/2005 | US6915224 Method for optimum spectrum analysis |
| 07/05/2005 | US6914435 Circuit for measurement of electrical pollution on power line |
| 06/30/2005 | US20050141619 Block distortion detection method, block distortion detection apparatus, block distortion removal method, and block distortion removal apparatus |
| 06/30/2005 | US20050140354 Spectrum analysis |
| 06/29/2005 | EP1548460A1 Radar apparatus |
| 06/29/2005 | EP1547117A2 Transducer package for process control |
| 06/28/2005 | US6911873 Detection circuit and method for an oscillator |
| 06/23/2005 | US20050137815 Digital frequency measurement system and method with automatic frequency control |
| 06/23/2005 | US20050134498 Radar apparatus |
| 06/22/2005 | EP1133701B1 Method for diagnosing insulation degradation in underground cable |
| 06/22/2005 | CN1630821A Method and apparatus for zero-mixing spectrum analysis |
| 06/22/2005 | CN1207679C Synchronous phasor measuring method for compensating cyclic discrete Fourier transformation error |
| 06/22/2005 | CN1207678C Frequency conversion sweep measuring method |
| 06/16/2005 | US20050132397 Method for graphically displaying audio frequency component in digital broadcast receiver |
| 06/15/2005 | EP1540358A1 Frequency estimation |
| 06/09/2005 | WO2005052606A1 Digital qp detecting apparatus, spectrum analyzer having the same, and digital qp detecting method |
| 06/09/2005 | DE10353958A1 Spektrumanalysator mit über einen Phasen-Variationsparameter einstellbarem Auflösungsfilter Spectrum analyzer with a phase variation parameters adjustable resolution filter |
| 06/09/2005 | DE102004040473A1 Digitaler Leuchtstoff-Spektralanalysator Digital fluorescent spectrum analyzer |
| 06/09/2005 | DE102004028984A1 Verfahren und System für eine Frequenzbereichszeitkorrelation A method and system for a frequency domain time correlation |
| 06/08/2005 | EP1538570A2 Method for graphically displaying audio frequency component in digital broadcast receiver |
| 06/08/2005 | CN1625239A Method for graphically displaying audio frequency component in digital broadcast receiver |
| 06/07/2005 | US6904269 Signal type identification |
| 06/07/2005 | US6903542 Systems and method for performing RF power measurements |
| 06/02/2005 | WO2005050841A1 Spectrum analyzer having a resolution filter that can be adjusted via a phase-variation parameter |
| 06/02/2005 | US20050117634 Spectrum measurement system comprising PC and power meter |
| 06/01/2005 | CN1623091A Method for analyzing mass spectra |
| 05/25/2005 | EP1532738A1 Method and device for detecting period length fluctuations of periodic signals |
| 05/25/2005 | DE10349368A1 Dynamic response determination method e.g. for electrical component, involves producing with laser a periodic optical signal with given repetition frequency and electrical component addressed with electrical energizing signal |
| 05/25/2005 | CN1203432C Phase information recoverable sweep frequency source method |
| 05/24/2005 | US6898543 In-system testing of an oscillator |
| 05/24/2005 | US6898535 Method and apparatus for decomposing signal jitter using multiple acquisitions |
| 05/19/2005 | WO2005019841A3 Signal-processing method which is used to calculate sub-sampled signal spectra |
| 05/19/2005 | US20050104906 Markers used in the calculation and display of band functions |
| 05/19/2005 | DE10346379A1 Verfahren zum Bestimmen des Frequenzgangs eines elektrooptischen Bauelements A method for determining the frequency response of an electro-optical device |
| 05/18/2005 | CN2700889Y Real time electrical energy and mass integrated analyzer |
| 05/18/2005 | CN1616975A Frequency spectrum detecting system |
| 05/11/2005 | EP1200925A4 System and method for frequency compensation in an energy meter |
| 05/11/2005 | CN1614430A Electric energy quality monitoring, recording and analyzing system |
| 05/10/2005 | US6891904 Modulation signal analysis apparatus |
| 05/10/2005 | US6891466 Broad bandwidth, high impedance transponder for electronic identification system |
| 05/10/2005 | US6891413 Periodic signal controller |