| Patents for G01R 23 - Arrangements for measuring frequencies; Arrangements for analysing frequency spectra (7,503) |
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| 10/15/1996 | US5565764 Method of measuring signal parameters |
| 10/10/1996 | DE19522613C1 Network analyser for measuring frequency dependent measurement parameters of test object |
| 10/09/1996 | EP0736776A2 Searching electromagnetic disturbing source |
| 10/09/1996 | EP0424493B1 Multi-channel filter system |
| 10/08/1996 | US5563953 Apparatus and method for evaluating audio distorting |
| 10/01/1996 | US5561364 RF pulse detection |
| 10/01/1996 | US5560367 Method for high-resolution spectral analysis in multi channel observations using a singular valve decomposition (SVD) matrix technique |
| 09/24/1996 | US5559719 Digitally controlled circuit interrupter with improved automatic selection of sampling interval for 50 Hz and 60 Hz power systems |
| 09/24/1996 | US5559689 Harmonic content determination apparatus |
| 09/19/1996 | WO1991008493A3 Method and device for comparing two variable analog signals |
| 09/11/1996 | EP0730798A1 Method and apparatus for testing telecommunications equipment |
| 09/11/1996 | EP0632899A4 Method and apparatus for time varying spectrum analysis. |
| 09/05/1996 | DE19608277A1 Frequency measuring circuit for multi-phase current network |
| 09/05/1996 | DE19506544A1 Analogue tone signal detection system |
| 09/04/1996 | EP0635136B1 Digital device for measuring the frequency of an electrical signal |
| 08/29/1996 | WO1996026448A1 Process and machine for signal waveform analysis |
| 08/28/1996 | EP0728260A1 Electronic metering circuit |
| 08/28/1996 | CN1129808A Harmonic pollution monitor for electric power network |
| 08/27/1996 | US5550747 Unbounded marker for spectrum analysis |
| 08/22/1996 | DE4025720A1 Wide band programmably hyperfrequency receiver |
| 08/13/1996 | US5546025 Low frequency discrimator using upper and lower thresholds |
| 08/13/1996 | US5545976 Gated spectrum analyzer |
| 08/06/1996 | US5543779 EMI source detector |
| 08/01/1996 | WO1996023232A1 Spectrum analyzer |
| 08/01/1996 | WO1996023231A1 Spectrum analyzer |
| 07/25/1996 | WO1996022540A1 A receiver for spectrum analysis |
| 07/23/1996 | US5539412 Radar system with adaptive clutter suppression |
| 07/17/1996 | EP0722161A2 Method for pitch recognition, in particular for musical instruments which are excited by plucking or striking |
| 07/16/1996 | USRE35296 Full and partial cycle counting apparatus and method |
| 07/16/1996 | US5537614 Signal level display unit |
| 07/16/1996 | US5537344 High-speed processing apparatus and method, signal analyzing system, and measurement apparatus and method |
| 07/10/1996 | EP0671010B1 Method for measuring frequency modulation rate characteristics for a swept frequency signal |
| 07/03/1996 | EP0650600A4 Hf background noise measurement in hf environments. |
| 06/27/1996 | WO1996019735A1 Handheld vector network analyzer |
| 06/26/1996 | EP0718948A2 Circuit interrupter providing protection and waveform capture for harmonic analysis |
| 06/26/1996 | CN1125365A Sateelite spectral monitor unit |
| 06/25/1996 | US5530719 Method and a circuit for identifying the nominal frequency of a logic signal through use of trains of clock pulses having respective predetermined time durations |
| 06/18/1996 | US5528134 AC power analyzer |
| 06/13/1996 | WO1996018110A1 Plant parameter detection by monitoring of power spectral densities |
| 06/12/1996 | CN2229088Y Pulse signal period measuring card |
| 06/04/1996 | US5523675 Method and an apparatus for detecting a frequency of a power system |
| 05/28/1996 | US5521615 Display system for instruments |
| 05/23/1996 | WO1996015498A1 Integration of microcontrollers with glue logic |
| 05/21/1996 | US5519820 Waveform display apparatus for easily realizing high-definition waveform observation |
| 05/21/1996 | US5519645 Data averaging and compressing method for measuring instruments |
| 05/21/1996 | US5519402 Doppler shift compensation apparatus |
| 05/21/1996 | US5519399 Method for measuring the frequency of continuous wave and wide pulse RF signals |
| 05/15/1996 | DE19542247A1 Microwave band spectrum analyser which eliminates mirror frequencies |
| 05/15/1996 | CN1122453A Apparatus for measuring a pulse duration |
| 05/09/1996 | WO1996013729A1 Ratiometric fourier analyzer |
| 05/08/1996 | EP0710846A2 Apparatus and method for generating a signal representative of total harmonic distortion in waveforms of an A/C electrical system |
| 05/07/1996 | US5514988 Temperature-compensated, precision frequency-to-voltage converter |
| 05/07/1996 | US5514978 Stator turn fault detector for AC motor |
| 04/30/1996 | US5512832 Energy analysis fault detection system |
| 04/25/1996 | WO1996012196A1 Method for detecting a signal |
| 04/24/1996 | EP0708339A2 Data collection and processing for digital AC power system monitor/analyzer |
| 04/23/1996 | US5511100 Method and apparatus for performing frequency detection |
| 04/16/1996 | US5508623 Apparatus and method to identify harmonic producing loads |
| 04/16/1996 | US5508605 Method for measuring RF pulse frequency |
| 04/16/1996 | CA2109049C Sequential circuitry for recreating cw components from chirp-z pulses |
| 03/28/1996 | DE19534262A1 FM frequency swing measurement device for RF emitted by sender |
| 03/19/1996 | CA2057116C Microprocessor controlled digital aft unit |
| 03/13/1996 | EP0472578B1 Apparatus and methods for the generation of stabilised images from waveforms |
| 03/12/1996 | US5499391 Digital channelized IFM receiver |
| 03/12/1996 | US5499155 Circuit analyzing system |
| 03/07/1996 | WO1996007090A1 Debris monitoring |
| 03/07/1996 | DE4431047A1 Separating returning radio signal sections from composite sum signal, for use in e.g. mobile radio network |
| 03/05/1996 | US5497110 Frequency monitor and error detector circuit |
| 02/29/1996 | WO1996006360A1 Method and device for monitoring power-supply networks |
| 02/29/1996 | DE4430246A1 Verfahren und Anordnung zum Überwachen von Stromversorgungsnetzen Method and apparatus for monitoring of power supply systems |
| 02/28/1996 | EP0477379B1 Waveform display apparatus for easily realizing high-definition waveform observation |
| 02/20/1996 | US5493209 Tunable trigger acquisition system and method for making in-service time-domain signal measurements |
| 01/30/1996 | US5488304 Method and apparatus for judging active/dead status of communication cable |
| 01/23/1996 | US5487097 Period measuring device |
| 01/23/1996 | US5487016 Apparatus for generating a signal representative of total harmonic distortion in waveforms of an A/C electrical system |
| 01/17/1996 | EP0692099A1 Phase testing device |
| 01/17/1996 | CN1115137A Frequency detecting and controlling circuits of clockgenerator |
| 01/16/1996 | US5485078 Method for analyzing a circuit board waveform for faults |
| 01/16/1996 | CA2061849C Digital signal processing apparatus for detecting a frequency component of digital signals |
| 01/16/1996 | CA1337945C Weighted channelized receiver |
| 01/11/1996 | DE4421943A1 Measuring frequency and/or period of periodic signals |
| 01/10/1996 | EP0691758A1 Synchronous detection of optical signals |
| 01/09/1996 | US5483617 Elimination of feature distortions caused by analysis of waveforms |
| 01/09/1996 | US5483201 Synchronization circuit using a high speed digital slip counter |
| 01/09/1996 | US5483154 Apparatus for detecting signal frequency and controlling indicating device |
| 01/04/1996 | DE19523343A1 Leakage energy measurer between adjacent channels in burst mode TDMA appts., esp. transmitter |
| 01/03/1996 | EP0690581A2 Frequency control circuit of a clock generator |
| 01/02/1996 | US5481183 Electro-optic spectrum analyzer |
| 01/02/1996 | US5481182 Up/down spectrum scaling of signals |
| 12/19/1995 | US5477150 Electric arc and radio frequency spectrum detection |
| 12/14/1995 | WO1995034001A1 Fundamental frequency detector and synthesizer systems |
| 12/13/1995 | EP0686851A1 Digitally controlled circuit interrupter with improved automatic selection of sampling interval for 50 Hz and 60 Hz power systems |
| 12/12/1995 | US5475315 Method and apparatus for fast response and distortion measurement |
| 12/08/1995 | CA2125327A1 Fundamental frequency detector and synthesizer systems |
| 12/07/1995 | WO1995033211A1 Process for determining the harmonic oscillations of the fundamental component of an electric signal |
| 12/05/1995 | US5473553 Frequency dividing device |
| 11/30/1995 | DE4417406A1 High resolution frequency analyser for video-data telecommunications signal |
| 11/29/1995 | EP0684482A2 Swept signal analysis instrument and method |
| 11/28/1995 | US5471402 Frequency counter |
| 11/28/1995 | US5471401 Waveform library for characterizing an AC power line spectrum |