| Patents for G01R 23 - Arrangements for measuring frequencies; Arrangements for analysing frequency spectra (7,503) |
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| 08/19/2008 | US7415370 Method of compressing values of a monitored electrical power signal |
| 08/19/2008 | US7415164 Modeling scenes in videos using spectral similarity |
| 08/19/2008 | US7414387 Waveform measuring apparatus and method thereof |
| 08/14/2008 | WO2008077036A3 Architectures for universal or software radio |
| 08/14/2008 | WO2008039528A3 Signal analysis using dual converters and cross spectrum |
| 08/14/2008 | US20080195350 Signal processor and tracking method of signal search range |
| 08/14/2008 | US20080195338 Peak detection and clutter reduction for a microwave sensor |
| 08/14/2008 | US20080195337 Scannable Virtual Rail Method and Ring Oscillator Circuit for Measuring Variations in Device Characteristics |
| 08/14/2008 | US20080194206 Radio-Frequency Circuit |
| 08/14/2008 | US20080191811 Real time VCO gain non linearity calibration |
| 08/14/2008 | US20080191684 Method and configuration for measurement of harmonics in high-voltage networks |
| 08/13/2008 | EP1956497A2 Signal processor and tracking method of signal search range |
| 08/13/2008 | CN101241375A Integrated circuit, electronic system and method for regulating voltage for supplying to circuit |
| 08/13/2008 | CN101241374A Apparatus, system and method for regulating power voltage |
| 08/13/2008 | CN101241166A Scannable virtual rail method and ring oscillator circuit for measuring variations in device characteristics |
| 08/13/2008 | CN101241152A Device for detecting passive RFID electronic label resonance frequency |
| 08/13/2008 | CN101241151A Real time frequency measurement method based on amplitude linear change model |
| 08/13/2008 | CN101241150A Apparatus, method and program for processing signal and method for generating signal |
| 08/12/2008 | US7412340 System and method for sample detection based on low-frequency spectral components |
| 08/12/2008 | US7411463 Method, system, apparatus, and program for measuring the damping factor of an Nth order phase locked loop (PLL) |
| 08/12/2008 | US7411462 Built-in self test method for a digitally controlled crystal oscillator |
| 08/07/2008 | US20080189065 Apparatus, method and program for processing signal and method for generating signal |
| 08/07/2008 | US20080186087 Method and apparatus for reducing electromagnetic interference |
| 08/07/2008 | US20080186060 Circuit for matching semiconductor device behavior |
| 08/06/2008 | EP1953567A2 Counting device, distance meter, counting method, and distance measuring method |
| 08/06/2008 | EP1952166A2 Wide-bandwidth spectrum analysis of transient signals using a real-time spectrum analyzer |
| 08/06/2008 | CN201096835Y Power measuring device for three-phase power meter |
| 08/05/2008 | US7408336 Importation of virtual signals into electronic test equipment to facilitate testing of an electronic component |
| 07/31/2008 | US20080180087 Detection of an ac input phase-loss on a multi-phase ac servo drive |
| 07/31/2008 | US20080180086 Built-in system and method for testing integrated circuit timing parameters |
| 07/31/2008 | US20080180085 Magnetic device and frequency analyzer |
| 07/30/2008 | EP1949047A2 Meter electronics and methods for determining a phase difference between a first sensor signal and a second sensor signal of a flow meter |
| 07/30/2008 | EP0880707B1 Phase- and frequency detector |
| 07/30/2008 | CN101231315A Method for amalgamation processing multi-segment sampling signal estimated by frequency |
| 07/30/2008 | CN101231314A Method and apparatus for testing magnetosensor resonant frequency elasticity |
| 07/30/2008 | CN101231313A Active frequency conversion identification method for low SNR signal processing |
| 07/29/2008 | US7405574 Signal detector |
| 07/24/2008 | US20080177490 Method and system for the detection and/or removal of sinusoidal interference signals in a noise signal |
| 07/23/2008 | CN101226670A Shorted fault and alarming method for beyond-retrieve-type cable-type line-type heat fire detector |
| 07/22/2008 | US7402794 Radiometer imaging system and method thereof |
| 07/17/2008 | WO2008064769A3 Method and device for triggering a recording of a measuring signal |
| 07/17/2008 | US20080169801 Sinusoidal modulated signal rectification tool using various oscillator systems |
| 07/17/2008 | DE102007017838A1 Vorrichtung und Verfahren zur Ermittlung und zur Darstellung eines Synchronisations-Zustands Apparatus and method for determining and displaying a synchronization state |
| 07/16/2008 | CN101221201A Method for measuring fundamental frequency |
| 07/16/2008 | CN101221200A Frequency measurement method and apparatus |
| 07/16/2008 | CN100403037C Method and device for measuring AC electricity |
| 07/15/2008 | US7400988 Periodic jitter (PJ) measurement methodology |
| 07/15/2008 | US7400130 Integrated circuit device |
| 07/15/2008 | US7400129 Measurement of distortion in an amplifier |
| 07/10/2008 | WO2008081713A1 Signal quality measuring device, spectrum measuring circuit, and program |
| 07/09/2008 | CN201083794Y Pulse modulated wave frequency counter |
| 07/09/2008 | CN101216512A Non-sine periodic signal real time high precision detection method |
| 07/09/2008 | CN101216511A Digital synchronous sampling method |
| 07/09/2008 | CN100401090C Improved calibration method of vector network analyzer |
| 07/08/2008 | US7398170 System for transmitting dynamic data |
| 07/08/2008 | US7397300 FSK demodulator system and method |
| 07/03/2008 | US20080157750 Method and apparatus for measuring terahertz time-domain spectroscopy |
| 07/01/2008 | US7395163 Method of detecting system function by measuring frequency response |
| 07/01/2008 | US7394324 Method and system to calibrate an oscillator within an RFID circuit utilizing a test signal supplied to the RFID circuit |
| 06/26/2008 | WO2008077036A2 Architectures for universal or software radio |
| 06/26/2008 | WO2007121322A3 Systems and methods for performing automatic real-time harmonics analyses for use in real-time power analytics of an electrical power distribution system |
| 06/26/2008 | US20080150513 Actual-Ray and Image-Ray Distinction in Frequency Converters for Spectrum Analysers |
| 06/26/2008 | DE102006058765A1 Method for measuring electrical characteristics of conductive yarn, involves providing electrical circuit having electrically conductive yarn and electrical signal is transmitted into conductive yarn |
| 06/25/2008 | EP1936392A1 Automatic frequency monitoring circuit, electronic device, automatic frequency monitoring method and automatic frequency monitoring program |
| 06/25/2008 | CN101206235A Method for measuring frequency of single-chip |
| 06/19/2008 | US20080147341 Generalized harmonicity indicator |
| 06/19/2008 | US20080143318 High frequency delay circuit and test apparatus |
| 06/19/2008 | US20080143317 Resizable display |
| 06/19/2008 | US20080143316 Signal analyzer and method for signal analysis |
| 06/18/2008 | EP1421353B1 Apparatus and a method for pulse detection and characterization |
| 06/18/2008 | CN101203934A System and method for analyzing power flow in semiconductor plasma generation systems |
| 06/18/2008 | CN101201365A System and method for measuring and analyzing voltage frequency |
| 06/18/2008 | CN101201282A Fundamental frequency identification method for detecting cord force of cable-stayed bridge |
| 06/12/2008 | US20080136538 Reference-less clock circuit |
| 06/12/2008 | US20080136401 Image Cancellation In Frequency Converters For Spectrum Analysers |
| 06/10/2008 | US7386444 Hybrid speech coding and system |
| 06/05/2008 | WO2008064752A1 Method and device for the determination of a statistical measurement value |
| 06/04/2008 | CN101191804A Self-adapting random resonant weak signal detection method |
| 06/04/2008 | CN100392413C Noise detection device |
| 06/03/2008 | US7382165 Method for matching semiconductor device behavior |
| 06/03/2008 | CA2440294C Frequency verification of an amplitude modulated signal |
| 05/29/2008 | WO2008062875A1 Signal analyzer and its data generation method |
| 05/29/2008 | US20080122492 Frequency detector utilizing a pulse generator, and mehtod thereof |
| 05/29/2008 | US20080122491 Frequency comparator, frequency synthesizer, and related methods thereof |
| 05/29/2008 | US20080122426 Detector, apparatus for processing a signal and method for processing a signal |
| 05/29/2008 | US20080122293 System and Method for Anti-Islanding, Such as Anti-Islanding for a Grid-Connected Photovoltaic Inverter |
| 05/29/2008 | DE112006001951T5 Frequenzkomponenten-Messvorrichtung Frequency component measuring device |
| 05/29/2008 | DE102006056154A1 Verfahren und Vorrichtung zur Ermittlung einer statistischen Messkenngröße Method and apparatus for determining a statistical characteristic quantity measuring |
| 05/29/2008 | DE102006056151A1 Verfahren und Vorrichtung zur Triggerung einer Aufzeichnung eines Mess-Signals Method and apparatus for triggering of a recording of a measured signal |
| 05/27/2008 | US7378833 Supply voltage characteristic measurement |
| 05/27/2008 | US7378832 Probing high-frequency signals |
| 05/22/2008 | WO2008042506A3 Realtime spectrum trigger system on realtime oscilloscope |
| 05/22/2008 | WO2008017988A3 Device and method for measuring the frequency of a signal coded modulated carrier signal |
| 05/22/2008 | US20080116878 Power sensor with switched-in filter path |
| 05/21/2008 | EP1922552A2 Directional power detection by quadrature sampling |
| 05/21/2008 | EP1922551A2 Carbon nanotube resonators |
| 05/21/2008 | CN101183124A System and method for measuring tiny frequency deviation |
| 05/20/2008 | USRE40322 Tests for non-linear distortion using digital signal processing |
| 05/20/2008 | US7375594 Radio oscillator tuning |
| 05/15/2008 | WO2008056846A1 Method of setting reference value for electronic measuring instrument and measuring instrument therefor |