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Class Information
Number: 324/76.13
Name: Electricity: measuring and testing > Measuring, testing, or sensing electricity, per se > Analysis of complex waves > Amplitude distribution
Description: Subject matter comprising means to measure an extent of dispersion of magnitude variation in the component of the complex wave.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7466119 |
Sensor circuit for detection of an abnormal offset voltage |
Dec. 16, 2008 |
| 7414387 |
Waveform measuring apparatus and method thereof |
Aug. 19, 2008 |
| 7401001 |
Position determining |
Jul. 15, 2008 |
| 7346464 |
Gait waveform feature extracting method and individual identification system |
Mar. 18, 2008 |
| 7321810 |
Method of dynamic economic dispatch |
Jan. 22, 2008 |
| 7307411 |
Method for signal extraction in a universal sensor IC |
Dec. 11, 2007 |
| 7295938 |
Clock jitter calculation device, clock jitter calculation method, and clock jitter calculation program |
Nov. 13, 2007 |
| 7253600 |
Constant slope ramp circuits for sample-data circuits |
Aug. 7, 2007 |
| 7212930 |
Method and apparatus for phase determination |
May. 1, 2007 |
| 7126320 |
Evaluation of the characteristics of electric pulses |
Oct. 24, 2006 |
| 7046014 |
ATE measurement technique for comparator threshold voltage |
May. 16, 2006 |
| 7034515 |
Instantaneous voltage lowering detection device |
Apr. 25, 2006 |
| 7019509 |
Digital envelope detector |
Mar. 28, 2006 |
| 6998835 |
Electromagnetic sensor system and method |
Feb. 14, 2006 |
| 6867605 |
Circuit for determining the internal resistance of a linear lambda probe |
Mar. 15, 2005 |
| 6844715 |
Synthetic RF detection system and method |
Jan. 18, 2005 |
| 6806721 |
Digital envelope detector |
Oct. 19, 2004 |
| 6628923 |
Adaptive phase and amplitude linearization method and apparatus |
Sep. 30, 2003 |
| 6570914 |
Amplitude calculation circuit |
May. 27, 2003 |
| 6525518 |
Method for measuring and controlling oscillations in a wind turbine |
Feb. 25, 2003 |
| 6509728 |
Spectrum analyzer having function of displaying amplitude probability distribution effectively |
Jan. 21, 2003 |
| 6369584 |
Signal correction apparatus and signal correction method |
Apr. 9, 2002 |
| 6340891 |
Method of diagnosing deterioration of the insulation of an electric power cable |
Jan. 22, 2002 |
| 6313752 |
System for displaying dynamic on-line operating conditions of an interconnected power transmission network |
Nov. 6, 2001 |
| 6157183 |
Two port handheld vector network analyzer with frequency monitor mode |
Dec. 5, 2000 |
| 5847558 |
Periodic signal analyzer using a randomly varied phase shifting circuit |
Dec. 8, 1998 |
| 5818238 |
Apparatus for measuring current and other parameters of an electornic device in response to an applied voltage |
Oct. 6, 1998 |
| 5808462 |
Apparatus for detecting the amplitude and phase of an a.c. signal |
Sep. 15, 1998 |
| 5734579 |
Rotational-device method and system |
Mar. 31, 1998 |
| 5717325 |
Multiprocessing transient event detector for use in a nonintrusive electrical load monitoring system |
Feb. 10, 1998 |
| 5637994 |
Waveform measurement |
Jun. 10, 1997 |
| 5576618 |
Process and apparatus for comparing in real time phase differences between phasors |
Nov. 19, 1996 |
| 5557196 |
Jitter analyzer |
Sep. 17, 1996 |
| 5498955 |
Apparatus for detecting the amplitude and phase of an a.c. signal |
Mar. 12, 1996 |
| 5469171 |
HF background noise measurement in HF environments |
Nov. 21, 1995 |
| H1458 |
Signal amplitude distribution analyzer |
Jul. 4, 1995 |
| 5400261 |
Method and apparatus for wave analysis and event recognition |
Mar. 21, 1995 |
| 5343405 |
Automatic extraction of pulse-parametrics from multi-valued functions |
Aug. 30, 1994 |
| 5321636 |
Method and arrangement for determining signal pitch |
Jun. 14, 1994 |
| 5296815 |
Device for detecting the type of ballast of a discharge lamp |
Mar. 22, 1994 |
| 5289500 |
Signal conditioner |
Feb. 22, 1994 |
| 5276629 |
Method and apparatus for wave analysis and event recognition |
Jan. 4, 1994 |
| 5025207 |
Method for the measurement of a steady level in a noise-infested signal and automatic measuring device for the application of this method |
Jun. 18, 1991 |
| 5014229 |
Method and apparatus for calibrating transducer/amplifier systems |
May. 7, 1991 |
| 5003248 |
Probability density histogram display |
Mar. 26, 1991 |
| 4940947 |
Line noise signal measurement system using analog signal compression with digital linearity correction |
Jul. 10, 1990 |
| 4933634 |
Device and method to measure a short radiation pulse or an electric pulse |
Jun. 12, 1990 |
| 4896109 |
Photoconductive circuit element reflectometer |
Jan. 23, 1990 |
| 4876655 |
Method and apparatus for evaluating jitter |
Oct. 24, 1989 |
| 4845691 |
Group delay time measurement apparatus with automatic aperture value setting function |
Jul. 4, 1989 |
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