Du; Ru Feng

Patent Applications and Registrations

Patent applications and USPTO patent grants for Du; Ru Feng.The latest application filed is for "audio amplifier with embedded buck controller for class-g application".

Company Profile

8.10.12

Du; Ru Feng - Shenzhen CN

*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
Audio Amplifier With Embedded Buck Controller For Class-g Application App 20210250010 - Li; XiangSheng ; et al.	2021-08-12
Deglitching Circuit And Method In A Class-d Amplifier App 20210203293 - Du; Ru Feng ; et al.	2021-07-01
Audio amplifier with embedded buck controller for class-G application Grant 11,018,644 - Li , et al. May 25, 2	2021-05-25
Deglitching circuit and method in class-D amplifier Grant 10,965,263 - Du , et al. March 30, 2	2021-03-30
Advanced load current monitoring circuit and method for a class-AB amplifier Grant 10,944,366 - Du , et al. March 9, 2	2021-03-09
Deglitching Circuit and Method in Class-D Amplifier App 20200295723 - Du; Ru Feng ; et al.	2020-09-17
Advanced Load Current Monitoring Circuit And Method For A Class-ab Amplifier App 20200287507 - Du; Ru Feng ; et al.	2020-09-10
Audio Amplifier With Embedded Buck Controller For Class-g Application App 20200169234 - Li; XiangSheng ; et al.	2020-05-28
Methods and circuits to reduce pop noise in an audio device Grant 10,530,309 - Du , et al. J	2020-01-07
Methods And Circuits To Reduce Pop Noise In An Audio Device App 20190123694 - DU; Ru Feng ; et al.	2019-04-25
Methods and circuits to reduce pop noise in an audio device Grant 10,193,506 - Du , et al. Ja	2019-01-29
Advanced current limit function for audio amplifier Grant 9,667,201 - Du , et al. May 30, 2	2017-05-30
Methods And Circuits To Reduce Pop Noise In An Audio Device App 20170093348 - Du; Ru Feng ; et al.	2017-03-30
Methods and circuits to reduce pop noise in an audio device Grant 9,577,579 - Du , et al. February 21, 2	2017-02-21
Methods And Circuits To Reduce Pop Noise In An Audio Device App 20160181988 - Du; Ru Feng ; et al.	2016-06-23
Advanced Current Limit Function For Audio Amplifier App 20160142024 - Du; Ru Feng ; et al.	2016-05-19
Methods and circuits to reduce pop noise in an audio device Grant 9,306,523 - Du , et al. April 5, 2	2016-04-05
Advanced Current Limit Function For Audio Amplifier App 20160065148 - Liu; Qi Yu ; et al.	2016-03-03
Advanced current limit function for audio amplifier Grant 9,276,530 - Liu , et al. March 1, 2	2016-03-01
Silent start class-D amplifier Grant 9,231,535 - Du , et al. January 5, 2	2016-01-05
Methods And Circuits To Reduce Pop Noise In An Audio Device App 20150071464 - Du; Ru Feng ; et al.	2015-03-12
Silent Start Class-d Amplifier App 20140285258 - Du; Ru Feng ; et al.	2014-09-25

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