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Class Information
Number: 327/384
Name: Miscellaneous active electrical nonlinear devices, circuits, and systems > Gating (i.e., switching input to output) > Signal transmission integrity or spurious noise override > Switch noise signal
Description: Subject matter including a circuit which offsets an unwanted oscillation (ringing) or a spurious spike due to a switch being turned on or off.










Sub-classes under this class:

Class Number Class Name Patents
327/385 Contact bounce from mechanical switch 41


Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8704410 Semiconductor device Apr. 22, 2014
8692606 External power transistor control Apr. 8, 2014
8633757 Low-noise, temperature-insensitive, voltage or current input, analog front end architecture Jan. 21, 2014
8519736 Digital noise protection circuit and method Aug. 27, 2013
8519752 Apparatus for reducing simultaneous switching noise Aug. 27, 2013
8466734 Gate driving circuit for power semiconductor element Jun. 18, 2013
8457224 Apparatus for channel estimation, apparatus for equalization and method for equalization Jun. 4, 2013
8451961 Method of reducing interference May. 28, 2013
8446207 Load driving circuit May. 21, 2013
8374297 Circuit, controller and methods for dynamic estimation and cancellation of phase and gain imbalances in quadrature signal paths of a receiver Feb. 12, 2013
8310283 Over-drive circuit having stacked transistors Nov. 13, 2012
8259879 Method for detecting the eventual presence of an interferer, for example a radar signal, adapted to interfere with a wireless device, for example an UWB device, and corresponding device Sep. 4, 2012
8179187 Substrate noise passive cancellation method for buck converter May. 15, 2012
8164357 Digital noise protection circuit and method Apr. 24, 2012
8102955 Multi-pulse frequency shifted (MPFS) multiple access modulation for ultra wideband Jan. 24, 2012
8036325 Wireless communication method and apparatus for performing knowledge-based and blind interference cancellation Oct. 11, 2011
8019028 Run-length based spectral analysis Sep. 13, 2011
7974370 Parallel processing for single antenna interference cancellation Jul. 5, 2011
7920013 Systems and methods for oscillation suppression in switching circuits Apr. 5, 2011
7847614 Switch noise reduction device and method using counter Dec. 7, 2010
7760006 Method and system to reduce electromagnetic radiation from semiconductor devices Jul. 20, 2010
7696808 Slew rate control in output driver Apr. 13, 2010
7671669 Device and method for reducing input noise Mar. 2, 2010
7646832 Signal receiver Jan. 12, 2010
7602866 Signal receiver devices and methods Oct. 13, 2009
7595679 Method and apparatus to reduce noise fluctuation in on-chip power distribution networks Sep. 29, 2009
7580487 Apparatus and method for estimating a carrier to interference and noise ratio in a communication system Aug. 25, 2009
7558348 Radio frequency antenna system and high-speed digital data link to reduce electromagnetic interference for wireless communications Jul. 7, 2009
7545893 Single antenna interference cancellation via complement subspace projection in spatial-temporal expansion of noise estimation Jun. 9, 2009
7516338 Method and apparatus for temporarily decreasing an equivalent series resistance to decrease noise during a voltage change Apr. 7, 2009
7492209 High-frequency switching device with reduced harmonics Feb. 17, 2009
7466608 Data input/output circuit having data inversion determination function and semiconductor memory device having the same Dec. 16, 2008
7428279 Reduced complexity sliding window based equalizer Sep. 23, 2008
7173475 Signal transmission amplifier circuit Feb. 6, 2007
7167037 Charge pump bias network Jan. 23, 2007
7157962 Charge pump output device with leakage cancellation Jan. 2, 2007
7135895 Semiconductor device having output circuit adaptively suppressing SSO noise Nov. 14, 2006
7126395 Dynamic slew rate controlling method and device for reducing variance in simultaneous switching output Oct. 24, 2006
7110479 Method for determining the quality of a communication channel Sep. 19, 2006
7046069 Method to reduce inductive effects of current variations by internal clock phase shifting May. 16, 2006
7042969 Method and apparatus for frame alignment in discrete multitone transceivers May. 9, 2006
7042967 Reduced complexity sliding window based equalizer May. 9, 2006
6956411 Constant R.sub.ON switch circuit with low distortion and reduction of pedestal errors Oct. 18, 2005
6809571 Power control circuit with active impedance to avoid interference and sensing problems Oct. 26, 2004
6794923 Low ripple charge pump for charging parasitic capacitances Sep. 21, 2004
6674304 Output buffer circuit and method of operation Jan. 6, 2004
6538590 Transient noise reduction circuits, systems and methods in power digital-to-analog converters Mar. 25, 2003
6473485 Charge pump leakage current compensation systems and methods Oct. 29, 2002
6396332 Switching arrangements May. 28, 2002
6388503 Output buffer with charge-pumped noise cancellation May. 14, 2002

1 2 3 4 5










 
 
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