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Class Information
Number: 327/551
Name: Miscellaneous active electrical nonlinear devices, circuits, and systems > Specific identifiable device, circuit, or system > Unwanted signal suppression
Description: Subject matter wherein an undesired signal or group of signals is diminished and wherein such subject matter is not elsewhere classifiable.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7609108 |
Phase-locked loop and compound MOS capacitor thereof |
Oct. 27, 2009 |
| 7602866 |
Signal receiver devices and methods |
Oct. 13, 2009 |
| 7595687 |
Apparatus and method for reducing EMI generated by a power conversion device |
Sep. 29, 2009 |
| 7596195 |
Bandpass filter with reversible IQ polarity to enable a high side or low side injection receiver architecture |
Sep. 29, 2009 |
| 7589585 |
Noise reduction circuit |
Sep. 15, 2009 |
| 7583136 |
Active filter for reduction of common mode current |
Sep. 1, 2009 |
| 7583212 |
Reduced noise radio frequency integrated circuit |
Sep. 1, 2009 |
| 7580487 |
Apparatus and method for estimating a carrier to interference and noise ratio in a communication system |
Aug. 25, 2009 |
| 7573326 |
Forwarded clock filtering |
Aug. 11, 2009 |
| 7573301 |
Temperature based filter for an on-chip system clock |
Aug. 11, 2009 |
| 7571202 |
Method and apparatus for digital noise mask filtering |
Aug. 4, 2009 |
| 7557643 |
De-glitch circuit |
Jul. 7, 2009 |
| 7557638 |
Circuit for suppressing voltage jitter and method thereof |
Jul. 7, 2009 |
| 7558348 |
Radio frequency antenna system and high-speed digital data link to reduce electromagnetic interference for wireless communications |
Jul. 7, 2009 |
| 7548475 |
Apparatus of processing a signal in a memory device and a circuit of removing noise in the same |
Jun. 16, 2009 |
| 7545893 |
Single antenna interference cancellation via complement subspace projection in spatial-temporal expansion of noise estimation |
Jun. 9, 2009 |
| 7511563 |
Ripple current reduction circuit |
Mar. 31, 2009 |
| 7509051 |
Transceiver module with voltage regulation and filtering |
Mar. 24, 2009 |
| 7501784 |
Compensation method and apparatus for preventing damaging bearing currents in an electrical machine |
Mar. 10, 2009 |
| 7498871 |
Spectrum spreaders including tunable filters and related devices and methods |
Mar. 3, 2009 |
| 7471140 |
Circuit device for filtering or impedance matching |
Dec. 30, 2008 |
| 7463083 |
Noise reduction in digital systems when the noise is caused by simultaneously clocking data registers |
Dec. 9, 2008 |
| 7459962 |
Transient signal detection algorithm using order statistic filters applied to the power spectral estimate |
Dec. 2, 2008 |
| 7447929 |
Countering power resonance |
Nov. 4, 2008 |
| 7436236 |
Analog DC compensation |
Oct. 14, 2008 |
| 7436249 |
Circuit and method for filtering a radio frequency signal |
Oct. 14, 2008 |
| 7428279 |
Reduced complexity sliding window based equalizer |
Sep. 23, 2008 |
| 7412208 |
Transmission system for transmitting RF signals, power and control signals via RF coaxial cables |
Aug. 12, 2008 |
| 7408426 |
Method and device for transmission without crosstalk |
Aug. 5, 2008 |
| 7388424 |
Apparatus for providing a high frequency loop back with a DC path for a parametric test |
Jun. 17, 2008 |
| 7385438 |
Active filter for reduction of common mode current |
Jun. 10, 2008 |
| 7382164 |
Glitch suppressing apparatus |
Jun. 3, 2008 |
| 7378900 |
EMI filter |
May. 27, 2008 |
| 7372323 |
Resonance limiter circuits for an integrated circuit |
May. 13, 2008 |
| 7362828 |
Method of and system for optimizing the capacity of a digital communication system in presence of both internal and external noise |
Apr. 22, 2008 |
| 7339404 |
Deglitch circuit |
Mar. 4, 2008 |
| 7333527 |
EMI reduction using tunable delay lines |
Feb. 19, 2008 |
| 7317348 |
Noise reduction in digital systems |
Jan. 8, 2008 |
| 7312646 |
Method and apparatus for controlling switching transients |
Dec. 25, 2007 |
| 7292091 |
Method and apparatus for reducing interference |
Nov. 6, 2007 |
| 7286006 |
Sign-sign least means square filter |
Oct. 23, 2007 |
| 7265592 |
Digital switching apparatus for driving a load |
Sep. 4, 2007 |
| 7266062 |
Noise removal using 180-degree or 360-degree phase shifting circuit |
Sep. 4, 2007 |
| 7256645 |
Suppression of noise in an integrated circuit |
Aug. 14, 2007 |
| 7230996 |
Transmitting circuit device and wireless communications device |
Jun. 12, 2007 |
| 7224212 |
Low pass filter de-glitch circuit |
May. 29, 2007 |
| 7221206 |
Integrated circuit device having clock signal output circuit |
May. 22, 2007 |
| 7215559 |
Method and apparatus to reduce common mode voltages applied to a load by a drive |
May. 8, 2007 |
| 7205831 |
Noise filter circuit |
Apr. 17, 2007 |
| 7199637 |
Rectifier circuit without alternating-current feedback |
Apr. 3, 2007 |
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