Friend; David M.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Friend; David M..The latest application filed is for "using a burn-in operational amplifier for a phased locked loop regulator".
- Friend; David M. - Stewartville MN
- Friend; David M. - Rochester MN
| Patent | Date |
|---|---|
| Using a burn-in operational amplifier for a phased locked loop regulator Grant 10,804,905 - Strom , et al. October 13, 2 | 2020-10-13 |
| Using A Burn-in Operational Amplifier For A Phased Locked Loop Regulator App 20190379383 - STROM; JAMES ; et al. | 2019-12-12 |
| Implementing cascade level shifter for analog voltage Grant 10,326,450 - Davies , et al. | 2019-06-18 |
| Differential phase-frequency detector Grant 10,250,267 - Friend , et al. | 2019-04-02 |
| Implementing Cascade Level Shifter For Analog Voltage App 20180358969 - Davies; Andrew D. ; et al. | 2018-12-13 |
| VCO selection and amplitude management using center tap inductor Grant 10,116,260 - Davies , et al. October 30, 2 | 2018-10-30 |
| Electromigration Monitor App 20180299503 - FRIEND; David M. ; et al. | 2018-10-18 |
| Electromigration monitor Grant 10,088,519 - Friend , et al. October 2, 2 | 2018-10-02 |
| Differential Phase-Frequency Detector App 20180109265 - Friend; David M. ; et al. | 2018-04-19 |
| Wire capacitor for transmitting AC signals Grant 9,929,722 - Friend , et al. March 27, 2 | 2018-03-27 |
| Differential phase-frequency detector Grant 9,923,565 - Friend , et al. March 20, 2 | 2018-03-20 |
| Low power amplifier Grant 9,882,552 - Friend , et al. January 30, 2 | 2018-01-30 |
| Phase locked loop with sense amplifier circuitry Grant 9,871,527 - Friend , et al. January 16, 2 | 2018-01-16 |
| Vco Selection And Amplitude Management Using Center Tap Inductor App 20170179884 - Davies; Andrew D. ; et al. | 2017-06-22 |
| Low Power Amplifier App 20170141781 - FRIEND; David M. ; et al. | 2017-05-18 |
| Low Power Amplifier App 20170093383 - FRIEND; David M. ; et al. | 2017-03-30 |
| Voltage controlled oscillator runaway prevention Grant 9,571,109 - Friend , et al. February 14, 2 | 2017-02-14 |
| Phased locked loop with multiple voltage controlled oscillators Grant 9,467,092 - Dreps , et al. October 11, 2 | 2016-10-11 |
| Voltage Controlled Oscillator Runaway Prevention App 20160285466 - Friend; David M. ; et al. | 2016-09-29 |
| Voltage Controlled Oscillator Runaway Prevention App 20160285468 - Friend; David M. ; et al. | 2016-09-29 |
| Voltage controlled oscillator runaway prevention Grant 9,455,730 - Friend , et al. September 27, 2 | 2016-09-27 |
| Voltage controlled oscillator runaway prevention Grant 9,391,623 - Friend , et al. July 12, 2 | 2016-07-12 |
| Differential Phase-frequency Detector App 20160142062 - Friend; David M. ; et al. | 2016-05-19 |
| Control voltage mirror circuit Grant 9,197,225 - Cheruiyot , et al. November 24, 2 | 2015-11-24 |
| Variable Frequency Oscillator With Specialized Inverter Stages App 20150171790 - Davies; Andrew D. ; et al. | 2015-06-18 |
| Variable frequency oscillator with specialized inverter stages Grant 9,059,660 - Davies , et al. June 16, 2 | 2015-06-16 |
| Moat construction to reduce noise coupling to a quiet supply Grant 8,994,117 - Ficke , et al. March 31, 2 | 2015-03-31 |
| Charge pump operating voltage range control using dynamic biasing Grant 8,917,126 - Ficke , et al. December 23, 2 | 2014-12-23 |
| Moat Construction to Reduce Noise Coupling to a Quiet Supply App 20140167213 - Ficke; Joel T. ; et al. | 2014-06-19 |
| Implementing dual speed level shifter with automatic mode control Grant 8,751,982 - Ficke , et al. June 10, 2 | 2014-06-10 |
| Implementing integral dynamic voltage sensing and trigger Grant 8,513,957 - Cheruiyot , et al. August 20, 2 | 2013-08-20 |
| Implementing Control Voltage Mirror App 20130088269 - Cheruiyot; Kennedy K. ; et al. | 2013-04-11 |
| Implementing Dual Speed Level Shifter With Automatic Mode Control App 20120331432 - Ficke; Joel T. ; et al. | 2012-12-27 |
| Implementing dual speed level shifter with automatic mode control Grant 8,324,933 - Ficke , et al. December 4, 2 | 2012-12-04 |
| Implementing Dual Speed Level Shifter With Automatic Mode Control App 20120212280 - Ficke; Joel T. ; et al. | 2012-08-23 |
| Implementing Integral Dynamic Voltage Sensing And Trigger App 20110298474 - Cheruiyot; Kennedy K. ; et al. | 2011-12-08 |
| System To Improve A Voltage-controlled Oscillator And Associated Methods App 20100001804 - Friend; David M. ; et al. | 2010-01-07 |
| Phase Lock Loop Clock Distribution Method and System App 20090189653 - Friend; David M. ; et al. | 2009-07-30 |
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