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Class Information
Number: 327/173
Name: Miscellaneous active electrical nonlinear devices, circuits, and systems > Signal converting, shaping, or generating > Rectangular (e.g., clock, etc.) or pulse waveform width control > Pulse narrowing
Description: Subject matter wherein the output pulse width or duration is decreased relative to that at the input.

Patents under this class:
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Patent Number Title Of Patent Date Issued
8671380 Dynamic frequency control using coarse clock gating Mar. 11, 2014
8618858 Pulse generator and method for generating pulse Dec. 31, 2013
8570083 Pulse width modulation circuit and switching amplifier using the same Oct. 29, 2013
8487920 Voltage generators implementing boosting schemes for generating boosting voltages and related methods Jul. 16, 2013
8482328 Switching device and method for preventing malfunction of the same Jul. 9, 2013
8466725 Method and device for generating short pulses Jun. 18, 2013
8456217 Apparatus for interfacing circuit domains Jun. 4, 2013
8427212 Pulse width modulated signal generation method and apparatus Apr. 23, 2013
8421510 Low voltage high-speed wave shaping circuitry Apr. 16, 2013
8412965 PWM timer for power supply Apr. 2, 2013
8207773 Pulse-width modulation (PWM) with independently adjustable duty cycle and frequency using two adjustable delays Jun. 26, 2012
8207771 Duty cycle correcting circuit and duty cycle correcting method Jun. 26, 2012
8140870 PWM timer for power supply Mar. 20, 2012
7961020 Digital signal converter Jun. 14, 2011
7936854 Method and system of cycle slip framing in a deserializer May. 3, 2011
7786781 Pseudo-random pulse width modulation for high resolution fan control Aug. 31, 2010
7733143 Duty cycle correction circuit for high-speed clock signals Jun. 8, 2010
7675337 Duty cycle correcting circuit and duty cycle correcting method Mar. 9, 2010
7598786 Duty cycle correction circuit and method thereof Oct. 6, 2009
7573309 Waveform width adjusting circuit with selective control delay Aug. 11, 2009
7508873 Digital amplifier, pulse width modulator thereof and method for reducing pop noise for the same Mar. 24, 2009
7471124 Chopper circuit that chops edge of control signal Dec. 30, 2008
7459951 Self-calibrating digital pulse-width modulator (DPWM) Dec. 2, 2008
7372928 Method and system of cycle slip framing in a deserializer May. 13, 2008
7358785 Apparatus and method for extracting a maximum pulse width of a pulse width limiter Apr. 15, 2008
7317341 Duty correction device Jan. 8, 2008
7310010 Duty cycle corrector Dec. 18, 2007
7307461 System and method for adaptive duty cycle optimization Dec. 11, 2007
7298193 Methods and arrangements to adjust a duty cycle Nov. 20, 2007
7282977 Duty cycle correction device Oct. 16, 2007
7282976 Apparatus and method for duty cycle correction Oct. 16, 2007
7199633 Electric pulse generator and method for generating short electric pulses Apr. 3, 2007
7180347 Systems and methods for minimizing harmonic interference Feb. 20, 2007
7151394 Phase shifting and PWM driving circuits and methods Dec. 19, 2006
7091762 Systems and methods for minimizing harmonic interference Aug. 15, 2006
6943603 Pulse generating circuit and semiconductor device provided with same Sep. 13, 2005
6924681 Efficient pulse amplitude modulation transmit modulation Aug. 2, 2005
6903590 Pulse generating circuit and high-side driver circuit Jun. 7, 2005
6833736 Pulse generating circuit Dec. 21, 2004
6753695 Semiconductor integrated circuit device and pulse width changing circuit Jun. 22, 2004
6653879 Method and system for managing a pulse width of a signal pulse Nov. 25, 2003
6614277 Circuit for providing a minimum wake-up time in the wake-up logic circuits Sep. 2, 2003
6549605 Limiting loss in a circuit Apr. 15, 2003
6529057 Stretching, shortening, and/or removing a clock cycle Mar. 4, 2003
6483362 Pulse generator Nov. 19, 2002
6456133 Duty cycle control loop Sep. 24, 2002
6411145 Feedback control of clock duty cycle Jun. 25, 2002
6407596 Apparatus and method for a clock period subdivider Jun. 18, 2002
6392460 Drive circuit for tattoo machine which provides improved operator control May. 21, 2002
6252446 Method and electrical circuit for regulating dead time given varying pulse repetition rates Jun. 26, 2001

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