LI; Qunying
Patent Applications and Registrations
Patent applications and USPTO patent grants for LI; Qunying.The latest application filed is for "output terminal fault detection circuit".
- LI; Qunying - Allen TX
- Li; Qunying - Basking Ridge NJ
- Li, Qunying - Somerset NJ
Trademarks
| Patent | Date |
|---|---|
| Output Terminal Fault Detection Circuit App 20220252663 - DEMIRCI; Kemal Safak ; et al. | 2022-08-11 |
| Square wave-to-sine wave converter Grant 10,985,763 - Li , et al. April 20, 2 | 2021-04-20 |
| Automatic Gain Control Circuit App 20210104991 - LI; Qunying ; et al. | 2021-04-08 |
| Angular resolver imbalance detection Grant 10,884,037 - Chellamuthu , et al. January 5, 2 | 2021-01-05 |
| Square Wave-to-sine Wave Converter App 20200373926 - LI; Qunying ; et al. | 2020-11-26 |
| Square wave-to-sine wave converter Grant 10,784,873 - Li , et al. Sept | 2020-09-22 |
| Voice coil motor pulse width modulation-to-linear smooth transition control Grant 10,547,267 - Li , et al. Ja | 2020-01-28 |
| Back EMF monitor for motor control Grant 10,211,767 - Li , et al. Feb | 2019-02-19 |
| Voice Coil Motor Pulse Width Modulation-to-linear Smooth Transition Control App 20180115268 - Li; Qunying ; et al. | 2018-04-26 |
| Angular Resolver Imbalance Detection App 20180073895 - Chellamuthu; Shanmuganand ; et al. | 2018-03-15 |
| Back EMF Monitor for Motor Control App 20170117835 - Li; Qunying ; et al. | 2017-04-27 |
| Back EMF monitor for motor control Grant 9,575,473 - Li , et al. February 21, 2 | 2017-02-21 |
| Micro-step resistance networks Grant 9,374,064 - Li June 21, 2 | 2016-06-21 |
| Trim-matched segmented digital-to-analog converter apparatus, systems and methods Grant 9,276,598 - Li , et al. March 1, 2 | 2016-03-01 |
| Back electromagnetic force (BEMF) sense system Grant 9,252,691 - Li , et al. February 2, 2 | 2016-02-02 |
| Back Emf Monitor For Motor Control App 20150346699 - Li; Qunying ; et al. | 2015-12-03 |
| Back EMF monitor for motor control Grant 9,136,787 - Li , et al. September 15, 2 | 2015-09-15 |
| BEMF monitor gain calibration stage in hard disk drive servo integrated circuit Grant 8,975,964 - Li , et al. March 10, 2 | 2015-03-10 |
| Back Emf Monitor For Motor Control App 20140117903 - LI; Qunying ; et al. | 2014-05-01 |
| Back Electromagnetic Force (bemf) Sense System App 20140097774 - LI; QUNYING ; et al. | 2014-04-10 |
| Signal level shift circuit and method for dual resistor ladder digital-to-analog converters Grant 8,618,971 - Li December 31, 2 | 2013-12-31 |
| Bemf Monitor Gain Calibration Stage In Hard Disk Drive Servo Integrated Circuit App 20130200954 - Li; Qunying ; et al. | 2013-08-08 |
| Reconfigurable regulator and associated method Grant 8,253,399 - Peterson , et al. August 28, 2 | 2012-08-28 |
| Reduced area digital-to-analog converter Grant 8,013,772 - Li September 6, 2 | 2011-09-06 |
| Reduced Area Digital-to-analog Converter App 20110156942 - LI; QUNYING | 2011-06-30 |
| Single-ended gain stage and disk drive Grant 7,948,199 - Li , et al. May 24, 2 | 2011-05-24 |
| Square-function circuit Grant 7,791,400 - Li September 7, 2 | 2010-09-07 |
| Reconfigurable Regulator And Associated Method App 20100123442 - PETERSON; KIRK ; et al. | 2010-05-20 |
| Square-function Circuit App 20090045865 - LI; QUNYING | 2009-02-19 |
| Single-Ended Gain Stage And Disk Drive App 20080297253 - Li; Qunying ; et al. | 2008-12-04 |
| Digital-to-analog converter with triode region transistors in resistor/switch network Grant 7,372,387 - Li , et al. May 13, 2 | 2008-05-13 |
| Digital-to-analog Converter With Triode Region Transistors In Resistor/switch Network App 20080055135 - Li; Qunying ; et al. | 2008-03-06 |
| New Fully Differential Folding A/d Converter Architecture App 20020093447 - Li, Qunying | 2002-07-18 |
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