XF

Xiaofan Fei

CL Cirrus Logic: 56 patents #6 of 1,131Top 1%
🗺 Texas: #1,392 of 125,132 inventorsTop 2%
Overall (All Time): #44,342 of 4,157,543Top 2%
56
Patents All Time

Issued Patents All Time

Showing 26–50 of 56 patents

Patent #TitleCo-InventorsDate
10447217 Amplifier with configurable final output stage Xin Zhao, Tejasvi Das, Alan Mark Morton 2019-10-15
10412479 Headset management by microphone terminal characteristic detection Xin Zhao, Bradley Allan LAMBERT, Eric J. Swanson 2019-09-10
10404248 Calibration of a dual-path pulse width modulation system Tejasvi Das, Alan Mark Morton, Xin Zhao, Lei Zhu, Johann G. Gaboriau +2 more 2019-09-03
10321230 Switching in an audio system with multiple playback paths Tejasvi Das, Xin Zhao, Ku He 2019-06-11
10320337 Fully-differential operational amplifier system Xin Zhao, Tejasvi Das, Hossein Mirzaie, Lei Zhu 2019-06-11
10263584 Calibration of a dual-path pulse width modulation system Tejasvi Das, Alan Mark Morton, Xin Zhao, Lei Zhu, Johann G. Gaboriau +2 more 2019-04-16
10181845 Calibration of a dual-path pulse width modulation system Tejasvi Das, Alan Mark Morton, Xin Zhao, Lei Zhu, Johann G. Gaboriau +2 more 2019-01-15
10008992 Switching in amplifier with configurable final output stage Lei Zhu, Xin Zhao, Alan Mark Morton, Tejasvi Das, Ku He 2018-06-26
9929703 Amplifier with configurable final output stage Xin Zhao, Tejasvi Das, Alan Mark Morton 2018-03-27
9917557 Calibration for amplifier with configurable final output stage Lei Zhu, Xin Zhao, Tejasvi Das, Alan Mark Morton 2018-03-13
9853539 Systems and methods for measuring inductor current in a switching DC-to-DC converter Xin Zhao, Ku He 2017-12-26
9831843 Opportunistic playback state changes for audio devices Tejasvi Das, Bharath Kumar Thandri, Anand Ilango, Aniruddha Satoskar, Daniel J. Allen 2017-11-28
9680488 Switchable secondary playback path Tejasvi Das, John L. Melanson, John C. Tucker 2017-06-13
9461537 Systems and methods for measuring inductor current in a switching DC-to-DC converter Xin Zhao, Ku He, John L. Melanson 2016-10-04
9337795 Systems and methods for gain calibration of an audio signal path Tejasvi Das, Xin Zhao, Ted Burk, Ku He, John L. Melanson 2016-05-10
9306588 Switchable secondary playback path Tejasvi Das, John L. Melanson, John C. Tucker 2016-04-05
9301046 Systems and methods for minimizing distortion in an audio output stage Tejasvi Das, Miao Song 2016-03-29
9214948 Comparator tracking control scheme with dynamic window length Ku He, Xin Zhao 2015-12-15
8447050 Thermal feedback for switch mode amplification John L. Melanson, Johann G. Gaboriau, Steven Green, Jason P. Rhode, Eric Walburger +1 more 2013-05-21
7840015 Thermal feedback for switch mode amplification John L. Melanson, Johann G. Gaboriau, Steven Green, Jason P. Rhode, Eric Walburger +1 more 2010-11-23
7324025 Non-integer interpolation using cascaded integrator-comb filter Lei Ding, John L. Melanson 2008-01-29
7055045 Automatic mode detection circuits for configuring a terminal as an output terminal in a first mode as an input terminal in a second mode Johann G. Gaboriau 2006-05-30
6972705 Signal processing system having an ADC delta-sigma modulator with single-ended input and feedback signal inputs Johann G. Gaboriau, John L. Melanson 2005-12-06
6933871 Feedback steering delta-sigma modulators and systems using the same John L. Melanson, Johann G. Gaboriau 2005-08-23
6853242 Power supply based audio compression for digital audio amplifier John L. Melanson, Johann G. Gaboriau, Steven Green, Jason P. Rhode 2005-02-08