Boerstler; David William

Patent Applications and Registrations

Patent applications and USPTO patent grants for Boerstler; David William.The latest application filed is for "high speed clock signal duty cycle adjustment".

Company Profile

0.75.72

Boerstler; David William - Round Rock TX US
Boerstler, David William - Williamson County TX

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Self-biased high speed level shifter circuit Grant 8,736,304 - Boerstler , et al. May 27, 2	2014-05-27
Structure for managing voltage swings across field effect transistors Grant 8,201,112 - Boerstler , et al. June 12, 2	2012-06-12
System and method for on/off-chip characterization of pulse-width limiter outputs Grant 8,054,119 - Boerstler , et al. November 8, 2	2011-11-08
Clock duty cycle measurement with charge pump without using reference clock calibration Grant 8,041,537 - Qi , et al. October 18, 2	2011-10-18
Digital circuit to measure and/or correct duty cycles Grant 7,917,795 - Boerstler , et al. March 29, 2	2011-03-29
Random number generator Grant 7,890,561 - Boerstler , et al. February 15, 2	2011-02-15
High speed clock signal duty cycle adjustment Grant 7,863,958 - Boerstler , et al. January 4, 2	2011-01-04
Circuit to reduce transient current swings during mode transitions of high frequency/high power chips Grant 7,831,006 - Boerstler , et al. November 9, 2	2010-11-09
Circuit to reduce power supply fluctuations in high frequency/high power circuits Grant 7,809,974 - Boerstler , et al. October 5, 2	2010-10-05
Thermal sensing circuit using bandgap voltage reference generators without trimming circuitry Grant 7,789,558 - Yoshida , et al. September 7, 2	2010-09-07
High frequency divider state correction circuit Grant 7,760,843 - Boerstler , et al. July 20, 2	2010-07-20
High Speed Clock Signal Duty Cycle Adjustment App 20100164580 - Boerstler; David William ; et al.	2010-07-01
System for automatically selecting intermediate power supply voltages for intermediate level shifters Grant 7,747,892 - Boerstler , et al. June 29, 2	2010-06-29
Method for controlling operation of microprocessor which performs duty cycle correction process Grant 7,716,516 - Muraki , et al. May 11, 2	2010-05-11
Method and system for managing voltage swings across field effect transistors Grant 7,701,269 - Boerstler , et al. April 20, 2	2010-04-20
Circuit and related method for synchronizing data signals to a core clock Grant 7,698,588 - Boerstler , et al. April 13, 2	2010-04-13
Structure for precision integrated phase lock loop circuit loop filter Grant 7,692,460 - Boerstler , et al. April 6, 2	2010-04-06
Design structure for a duty cycle measurement apparatus that operates in a calibration mode and a test mode Grant 7,646,177 - Boerstler , et al. January 12, 2	2010-01-12
Method and Apparatus for On-Chip Testing of High Speed Frequency Dividers App 20090322311 - Qi; Jieming ; et al.	2009-12-31
Clock Duty Cycle Measurement with Charge Pump Without Using Reference Clock Calibration App 20090326862 - Qi; Jieming ; et al.	2009-12-31
Method and apparatus for detecting frequency lock in a system including a frequency synthesizer Grant 7,620,126 - Boerstler , et al. November 17, 2	2009-11-17
Method and apparatus for measuring the duty cycle of a digital signal Grant 7,617,059 - Boerstler , et al. November 10, 2	2009-11-10
Duty cycle measurement method and apparatus that operates in a calibration mode and a test mode Grant 7,595,675 - Boerstler , et al. September 29, 2	2009-09-29
Information handling system capable of detecting frequency lock of signals downstream from a signal synthesized by frequency synthesizer Grant 7,590,194 - Boerstler , et al. September 15, 2	2009-09-15
Precision integrated phase lock loop circuit loop filter Grant 7,589,575 - Boerstler , et al. September 15, 2	2009-09-15
Thermal Sensing Circuit Using Bandgap Voltage Reference Generators Without Trimming Circuitry App 20090174468 - Yoshida; Munehiro ; et al.	2009-07-09
Design Structure For A Duty Cycle Measurement Apparatus That Operates In A Calibration Mode And A Test Mode App 20090112555 - Boerstler; David William ; et al.	2009-04-30
Structure for Precision Integrated Phase Lock Loop Circuit Loop Filter App 20090108923 - Boerstler; David William ; et al.	2009-04-30
Method and System for Managing Voltage Swings Across Field Effect Transistors App 20090108922 - Boerstler; David William ; et al.	2009-04-30
Precision Integrated Phase Lock Loop Circuit Loop Filter App 20090108889 - Boerstler; David William ; et al.	2009-04-30
Structure for Managing Voltage Swings Across Field Effect Transistors App 20090108924 - Boerstler; David William ; et al.	2009-04-30
Thermal sensing circuits using bandgap voltage reference generators without trimming circuitry Grant 7,524,108 - Yoshida , et al. April 28, 2	2009-04-28
High Frequency Divider State Correction Circuit App 20080301503 - Boerstler; David William ; et al.	2008-12-04
High frequency divider state correction circuit Grant 7,453,293 - Boerstler , et al. November 18, 2	2008-11-18
Circuit to Reduce Transient Current Swings During Mode Transitions of High Frequency/High Power Chips App 20080272820 - Boerstler; David William ; et al.	2008-11-06
Method to reduce transient current swings during mode transitions of high frequency/high power chips Grant 7,430,264 - Boerstler , et al. September 30, 2	2008-09-30
Method and apparatus for on-chip duty cycle measurement Grant 7,420,400 - Boerstler , et al. September 2, 2	2008-09-02
Method And Apparatus For Measuring The Duty Cycle Of A Digital Signal App 20080174345 - Boerstler; David William ; et al.	2008-07-24
System and method automatically selecting intermediate power supply voltages for intermediate level shifters Grant 7,392,419 - Boerstler , et al. June 24, 2	2008-06-24
System For Automatically Selecting Intermediate Power Supply Voltages For Intermediate Level Shifters App 20080143419 - Boerstler; David William ; et al.	2008-06-19
Circuit to Reduce Power Supply Fluctuations in High Frequency/High Power Circuits App 20080133957 - Boerstler; David William ; et al.	2008-06-05
Automatic Calibration of a Reference Voltage App 20080122495 - Boerstler; David William ; et al.	2008-05-29
Digital Circuit To Measure And/or Correct Duty Cycles App 20080111604 - Boerstler; David William ; et al.	2008-05-15
Method and apparatus for measuring the relative duty cycle of a clock signal Grant 7,363,178 - Boerstler , et al. April 22, 2	2008-04-22
System and method for automatic calibration of a reference voltage Grant 7,356,716 - Boerstler , et al. April 8, 2	2008-04-08
Circuit to reduce power supply fluctuations in high frequency/ high power circuits Grant 7,350,096 - Boerstler , et al. March 25, 2	2008-03-25
Digital circuit to measure and/or correct duty cycles Grant 7,350,095 - Boerstler , et al. March 25, 2	2008-03-25
Method and apparatus for measuring the duty cycle of a digital signal Grant 7,333,905 - Boerstler , et al. February 19, 2	2008-02-19
Method and apparatus for correcting the duty cycle of a digital signal Grant 7,330,061 - Boerstler , et al. February 12, 2	2008-02-12
Pulse-width limited chip clock design Grant 7,318,209 - Aipperspach , et al. January 8, 2	2008-01-08
Method for controlling operation of microprocessor which performs duty cycle correction process App 20070300082 - Muraki; Yosuke ; et al.	2007-12-27
Method And Apparatus For Measuring The Duty Cycle Of A Digital Signal App 20070271051 - Boerstler; David William ; et al.	2007-11-22
Method and Apparatus for Measuring the Relative Duty Cycle of a Clock Signal App 20070271068 - Boerstler; David William ; et al.	2007-11-22
Duty Cycle Measurement Method And Apparatus That Operates In A Calibration Mode And A Test Mode App 20070266285 - Boerstler; David William ; et al.	2007-11-15
Method And Apparatus For On-chip Duty Cycle Measurement App 20070255517 - Boerstler; David William ; et al.	2007-11-01
Method And Apparatus For Correcting The Duty Cycle Of A Digital Signal App 20070252629 - BOERSTLER; DAVID WILLIAM ; et al.	2007-11-01
Method of functionality testing for a ring oscillator Grant 7,279,996 - Boerstler , et al. October 9, 2	2007-10-09
Simplified method for limiting clock pulse width Grant 7,242,233 - Aipperspach , et al. July 10, 2	2007-07-10
Thermal Sensing Method And System App 20070150225 - Boerstler; David William ; et al.	2007-06-28
Oscillator array with row and column control Grant 7,233,212 - Boerstler , et al. June 19, 2	2007-06-19
Method and apparatus for detecting frequency lock in a system including a frequency synthesizer App 20070071154 - Boerstler; David William ; et al.	2007-03-29
Information handling system capable of detecting frequency lock of signals downstream from a signal synthesized by frequency synthesizer App 20070071155 - Boerstler; David William ; et al.	2007-03-29
High Frequency Divider State Correction Circuit App 20070057712 - Boerstler; David William ; et al.	2007-03-15
Thermal sensing method and system Grant 7,187,053 - Boerstler , et al. March 6, 2	2007-03-06
Method of functionality testing for a ring oscillator App 20070040620 - Boerstler; David William ; et al.	2007-02-22
Random number generator App 20070043798 - Boerstler; David William ; et al.	2007-02-22
Variation tolerant charge leakage correction circuit for phase locked loops Grant 7,176,731 - Baez , et al. February 13, 2	2007-02-13
PLL filter leakage sensor Grant 7,171,318 - Boerstler , et al. January 30, 2	2007-01-30
Self-biased high speed level shifter circuit App 20070008003 - Boerstler; David William ; et al.	2007-01-11
Charge pump with transient current correction Grant 7,162,001 - Boerstler January 9, 2	2007-01-09
System and method automatically selecting intermediate power supply voltages for intermediate level shifters App 20070001739 - Boerstler; David William ; et al.	2007-01-04
Circuit for minimizing filter capacitance leakage induced jitter in phase locked loops (PPLs) Grant 7,132,896 - Boerstler , et al. November 7, 2	2006-11-07
System and method for on/off-chip characterization of pulse-width limiter outputs App 20060232310 - Boerstler; David William ; et al.	2006-10-19
High frequency divider state correction circuit Grant 7,119,587 - Boerstler , et al. October 10, 2	2006-10-10
Oscillator array with row and column control App 20060220753 - Boerstler; David William ; et al.	2006-10-05
Digital circuit to measure and/or correct duty cycles App 20060212739 - Boerstler; David William ; et al.	2006-09-21
System and method for automatic calibration of a reference voltage App 20060190746 - Boerstler; David William ; et al.	2006-08-24
PLL manufacturing test apparatus Grant 7,061,223 - Boerstler , et al. June 13, 2	2006-06-13
High frequency divider state correction circuit with data path correction Grant 7,061,284 - Boerstler , et al. June 13, 2	2006-06-13
Novel circuit for minimizing filter capacitance leakage induced jitter in phase locked loops (PLLs) App 20060091965 - Boerstler; David William ; et al.	2006-05-04
Circuit to reduce transient current swings during mode transitions of high frequency/high power chips App 20060093047 - Boerstler; David William ; et al.	2006-05-04
Circuit to reduce power supply fluctuations in high frequency/ high power circuits App 20060069929 - Boerstler; David William ; et al.	2006-03-30
Synchronization state detector Grant 7,016,448 - Boerstler March 21, 2	2006-03-21
Variation tolerant charge leakage correction circuit for phase locked loops App 20060044030 - Baez; Franklin Manuel ; et al.	2006-03-02
Phase and frequency lock detector Grant 6,990,165 - Boerstler , et al. January 24, 2	2006-01-24
Method and system for clock/data recovery for self-clocked high speed interconnects Grant 6,987,824 - Boerstler January 17, 2	2006-01-17
Microprocessor chip simultaneous switching current reduction method and apparatus Grant 6,983,387 - Boerstler , et al. January 3, 2	2006-01-03
Adaptive method and apparatus to control loop bandwidth of a phase lock loop Grant 6,980,060 - Boerstler , et al. December 27, 2	2005-12-27
Circuit for compensating charge leakage in a low pass filter capacitor of PLL systems Grant 6,980,038 - Boerstler , et al. December 27, 2	2005-12-27
PLL filter leakage sensor App 20050280406 - Boerstler, David William ; et al.	2005-12-22
Circuit for compensating LPF capacitor charge leakage in phase locked loop systems Grant 6,972,604 - Boerstler , et al. December 6, 2	2005-12-06
Highly scalable glitch-free frequency divider Grant 6,973,155 - Boerstler , et al. December 6, 2	2005-12-06
High frequency divider state correction circuit with data path correction App 20050262407 - Boerstler, David William ; et al.	2005-11-24
Thermal protection for a VLSI chip through reduced c4 usage App 20050261866 - Boerstler, David William ; et al.	2005-11-24
High frequency divider state correction circuit App 20050262406 - Boerstler, David William ; et al.	2005-11-24
Circuit For Compensating Lpf Capacitor Charge Leakage In Phase Locked Loop Systems App 20050248376 - Boerstler, David William ; et al.	2005-11-10
Circuit for compensating charge leakage in a low pass filter capacitor of PLL systems App 20050248412 - Boerstler, David William ; et al.	2005-11-10
Multiphase retiming mechanism Grant 6,963,628 - Boerstler November 8, 2	2005-11-08
Charge leakage correction circuit for applications in PLLs Grant 6,958,636 - Boerstler , et al. October 25, 2	2005-10-25
Highly Scalable Glitch-free Frequency Divider App 20050213699 - Boerstler, David William ; et al.	2005-09-29
Apparatus and method for leakage compensation in thin oxide CMOS applications App 20050156655 - Boerstler, David William ; et al.	2005-07-21
Novel charge leakage correction circuit for applications in PLLs App 20050156640 - Boerstler, David William ; et al.	2005-07-21
Multiphase clock recovery using D-type phase detector Grant 6,914,953 - Boerstler July 5, 2	2005-07-05
Adaptive method and apparatus to control loop bandwidth of a phase lock loop App 20050088244 - Boerstler, David William ; et al.	2005-04-28
Simplified method for limiting clock pulse width App 20050091620 - Aipperspach, Anthony Gus ; et al.	2005-04-28
Circuit and related method for synchronizing data signals to a core clock App 20050018799 - Boerstler, David William ; et al.	2005-01-27
Pulse-width limited chip clock design App 20050010885 - Aipperspach, Anthony Gus ; et al.	2005-01-13
Thermal sensing method and system App 20040264093 - Boerstler, David William ; et al.	2004-12-30
PLL manufacturing test apparatus App 20040263146 - Boerstler, David William ; et al.	2004-12-30
Thermal sensing circuits using bandgap voltage reference generators without trimming circuitry App 20040233600 - Yoshida, Munehiro ; et al.	2004-11-25
High-frequency phase/frequency detector with improved reset mechanism Grant 6,822,484 - Boerstler November 23, 2	2004-11-23
Self-correcting multiphase clock recovery Grant 6,819,728 - Boerstler November 16, 2	2004-11-16
Interface transceiver power mangagement method and apparatus App 20040203483 - Carballo, Juan-Antonio ; et al.	2004-10-14
System for synchronizing nodes in a heterogeneous computer system by using multistage frequency synthesizer to dynamically adjust clock frequency of the nodes Grant 6,763,474 - Boerstler , et al. July 13, 2	2004-07-13
Interleaved VCO with balanced feedforward Grant 6,744,326 - Boerstler June 1, 2	2004-06-01
Multiphase clocking method and apparatus App 20040076189 - Boerstler, David William ; et al.	2004-04-22
Microprocessor chip simultaneous switching current reduction method and apparatus App 20040078613 - Boerstler, David William ; et al.	2004-04-22
Circuitry having exclusive-OR and latch function, and method therefor Grant 6,724,221 - Carballo , et al. April 20, 2	2004-04-20
Interleaved Vco With Balanced Feedforward App 20040070458 - Boerstler, David William	2004-04-15
Charge pump with transient current correction App 20040071252 - Boerstler, David William	2004-04-15
Phase and frequency lock detector App 20040017872 - Boerstler, David William ; et al.	2004-01-29
Circuitry Having Exclusive-or And Latch Function, And Method Therefor App 20030184340 - Carballo, Juan-Antonio ; et al.	2003-10-02
Differential voltage controlled oscillator, and method therefor Grant 6,621,358 - Carballo , et al. September 16, 2	2003-09-16
Differential Voltage Controlled Oscillator, And Method Therefor App 20030112082 - Carballo, Juan-Antonio ; et al.	2003-06-19
Apparatus and method for high resolution frequency adjustment in a multistage frequency synthesizer Grant 6,566,921 - Boerstler , et al. May 20, 2	2003-05-20
High-frequency low-voltage multiphase voltage-controlled oscillator Grant 6,559,727 - Boerstler May 6, 2	2003-05-06
Fast, symmetrical XOR/XNOR gate App 20030058001 - Boerstler, David William ; et al.	2003-03-27
Interleaved feedforward VCO and PLL Grant 6,529,084 - Boerstler , et al. March 4, 2	2003-03-04
Dynamic duty cycle adjuster Grant 6,501,313 - Boerstler , et al. December 31, 2	2002-12-31
Synchronization state detector App 20020172312 - Boerstler, David William	2002-11-21
Method And Apparatus For Latching A Clocked Data Signal App 20020163372 - Boerstler, David William ; et al.	2002-11-07
Multiphase Clock Generator App 20020140486 - Boerstler, David William ; et al.	2002-10-03
Multiphase retiming mechanism App 20020141526 - Boerstler, David William	2002-10-03
Multiphase serializer App 20020141524 - Boerstler, David William	2002-10-03
Multiphase clock generator Grant 6,441,667 - Boerstler , et al. August 27, 2	2002-08-27
Self-correcting multiphase clock recovery App 20020085658 - Boerstler, David William	2002-07-04
Multiphase clock recovery using D-type phase detector App 20020085657 - Boerstler, David William	2002-07-04
Dynamic duty cycle adjuster App 20020079940 - Boerstler, David William ; et al.	2002-06-27
High-frequency low-voltage multiphase voltage-controlled oscillator App 20020063605 - Boerstler, David William	2002-05-30
Delayed matching signal generator and frequency multiplier using scaled delay networks Grant 6,229,358 - Boerstler , et al. May 8, 2	2001-05-08
Power consumption control mechanism and method therefor Grant 6,147,508 - Beck , et al. November 14, 2	2000-11-14
Self-resetting phase/frequency detector with reduced dead zone Grant 5,977,801 - Boerstler November 2, 1	1999-11-02
Process variation monitor for integrated circuits Grant 5,903,012 - Boerstler May 11, 1	1999-05-11
CMOS process compensation circuit Grant 5,892,409 - Boerstler April 6, 1	1999-04-06
High frequency phase-locked loop circuit having reduced jitter Grant 5,870,003 - Boerstler February 9, 1	1999-02-09
CMOS high-speed differential to single-ended converter circuit Grant 5,821,809 - Boerstler , et al. October 13, 1	1998-10-13