Ru Feng Du

Person

Shenzhen, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Audio amplifier with embedded buck controller for class-G application
- Patent number 11,831,286
- Issue date Nov 28, 2023
- STMicroelectronics (Shenzhen) R&D Co. Ltd.
- XiangSheng Li
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Deglitching circuit and method in a class-D amplifier
- Patent number 11,750,163
- Issue date Sep 5, 2023
- STMicroelectronics (Shenzhen) R&D Co. Ltd.
- Ru Feng Du
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Audio amplifier with embedded buck controller for class-G application
- Patent number 11,018,644
- Issue date May 25, 2021
- STMicroelectronics (Shenzen) R&D Co. Ltd.
- XiangSheng Li
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Deglitching circuit and method in class-D amplifier
- Patent number 10,965,263
- Issue date Mar 30, 2021
- STMicroelectronics (Shenzhen) R&D Co. Ltd.
- Ru Feng Du
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Advanced load current monitoring circuit and method for a class-AB...
- Patent number 10,944,366
- Issue date Mar 9, 2021
- STMicroelectronics (Shenzhen) R&D Co. Ltd.
- Ru Feng Du
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Methods and circuits to reduce pop noise in an audio device
- Patent number 10,530,309
- Issue date Jan 7, 2020
- STMicroelectronics (Shenzhen) R&D Co. Ltd.
- Ru Feng Du
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Methods and circuits to reduce pop noise in an audio device
- Patent number 10,193,506
- Issue date Jan 29, 2019
- STMicroelectronics (Shenzhen) R&D Co. Ltd.
- Ru Feng Du
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Advanced current limit function for audio amplifier
- Patent number 9,667,201
- Issue date May 30, 2017
- STMicroelectronics (Shenzhen) R&D Co. Ltd.
- Ru Feng Du
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Methods and circuits to reduce pop noise in an audio device
- Patent number 9,577,579
- Issue date Feb 21, 2017
- STMicroelectronics (Shenzhen) R&D Co. Ltd.
- Ru Feng Du
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Methods and circuits to reduce pop noise in an audio device
- Patent number 9,306,523
- Issue date Apr 5, 2016
- STMicroelectronics (Shenzhen) R&D Co. Ltd.
- Ru Feng Du
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Advanced current limit function for audio amplifier
- Patent number 9,276,530
- Issue date Mar 1, 2016
- STMicroelectronics (Shenzhen) R&D Co. Ltd.
- Qi Yu Liu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Silent start class-D amplifier
- Patent number 9,231,535
- Issue date Jan 5, 2016
- STMicroelectronics (Shenzhen) R&D Co. Ltd.
- Ru Feng Du
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
AUDIO AMPLIFIER WITH EMBEDDED BUCK CONTROLLER FOR CLASS-G APPLICATION
- Publication number 20240056046
- Publication date Feb 15, 2024
- STMicroelectronics (Shenzhen) R&D Co., Ltd.
- XiangSheng Li
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
AUDIO AMPLIFIER WITH EMBEDDED BUCK CONTROLLER FOR CLASS-G APPLICATION
- Publication number 20210250010
- Publication date Aug 12, 2021
- STMicroelectronics (Shenzhen) R&D Co. Ltd.
- XiangSheng Li
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
DEGLITCHING CIRCUIT AND METHOD IN A CLASS-D AMPLIFIER
- Publication number 20210203293
- Publication date Jul 1, 2021
- STMicroelectronics (Shenzhen) R&D Co. Ltd.
- Ru Feng Du
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Deglitching Circuit and Method in Class-D Amplifier
- Publication number 20200295723
- Publication date Sep 17, 2020
- STMicroelectronics (Shenzhen) R&D Co. Ltd.
- Ru Feng Du
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
ADVANCED LOAD CURRENT MONITORING CIRCUIT AND METHOD FOR A CLASS-AB...
- Publication number 20200287507
- Publication date Sep 10, 2020
- STMicroelectronics (Shenzhen) R&D Co., Ltd.
- Ru Feng Du
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
AUDIO AMPLIFIER WITH EMBEDDED BUCK CONTROLLER FOR CLASS-G APPLICATION
- Publication number 20200169234
- Publication date May 28, 2020
- STMicroelectronics (Shenzhen) R&D Co. Ltd.
- XiangSheng Li
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
METHODS AND CIRCUITS TO REDUCE POP NOISE IN AN AUDIO DEVICE
- Publication number 20190123694
- Publication date Apr 25, 2019
- STMicroelectronics (Shenzhen) R&D Co. Ltd.
- Ru Feng Du
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHODS AND CIRCUITS TO REDUCE POP NOISE IN AN AUDIO DEVICE
- Publication number 20170093348
- Publication date Mar 30, 2017
- STMicroelectronics (Shenzhen) R&D Co. Ltd.
- Ru Feng Du
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
METHODS AND CIRCUITS TO REDUCE POP NOISE IN AN AUDIO DEVICE
- Publication number 20160181988
- Publication date Jun 23, 2016
- STMicroelectronics (Shenzhen) R&D Co. Ltd.
- Ru Feng Du
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
ADVANCED CURRENT LIMIT FUNCTION FOR AUDIO AMPLIFIER
- Publication number 20160142024
- Publication date May 19, 2016
- STMicroelectronics (Shenzhen) R&D Co. Ltd.
- Ru Feng Du
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
ADVANCED CURRENT LIMIT FUNCTION FOR AUDIO AMPLIFIER
- Publication number 20160065148
- Publication date Mar 3, 2016
- STMicroelectronics (Shenzhen) R&D Co. Ltd.
- Qi Yu Liu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
METHODS AND CIRCUITS TO REDUCE POP NOISE IN AN AUDIO DEVICE
- Publication number 20150071464
- Publication date Mar 12, 2015
- STMicroelectronics (Shenzhen) R&D Co. Ltd.
- Ru Feng Du
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SILENT START CLASS-D AMPLIFIER
- Publication number 20140285258
- Publication date Sep 25, 2014
- STMicroelectronics (Shenzhen) R&D Co. Ltd.
- Ru Feng Du
- H03 - BASIC ELECTRONIC CIRCUITRY

Person

Patents Grantslast 30 patents

Audio amplifier with embedded buck controller for class-G application

Deglitching circuit and method in a class-D amplifier

Audio amplifier with embedded buck controller for class-G application

Deglitching circuit and method in class-D amplifier

Advanced load current monitoring circuit and method for a class-AB...

Methods and circuits to reduce pop noise in an audio device

Methods and circuits to reduce pop noise in an audio device

Advanced current limit function for audio amplifier

Methods and circuits to reduce pop noise in an audio device

Methods and circuits to reduce pop noise in an audio device

Advanced current limit function for audio amplifier

Silent start class-D amplifier

Patents Applicationslast 30 patents

AUDIO AMPLIFIER WITH EMBEDDED BUCK CONTROLLER FOR CLASS-G APPLICATION

AUDIO AMPLIFIER WITH EMBEDDED BUCK CONTROLLER FOR CLASS-G APPLICATION

DEGLITCHING CIRCUIT AND METHOD IN A CLASS-D AMPLIFIER

Deglitching Circuit and Method in Class-D Amplifier

ADVANCED LOAD CURRENT MONITORING CIRCUIT AND METHOD FOR A CLASS-AB...

AUDIO AMPLIFIER WITH EMBEDDED BUCK CONTROLLER FOR CLASS-G APPLICATION

METHODS AND CIRCUITS TO REDUCE POP NOISE IN AN AUDIO DEVICE

METHODS AND CIRCUITS TO REDUCE POP NOISE IN AN AUDIO DEVICE

METHODS AND CIRCUITS TO REDUCE POP NOISE IN AN AUDIO DEVICE

ADVANCED CURRENT LIMIT FUNCTION FOR AUDIO AMPLIFIER

ADVANCED CURRENT LIMIT FUNCTION FOR AUDIO AMPLIFIER

METHODS AND CIRCUITS TO REDUCE POP NOISE IN AN AUDIO DEVICE

SILENT START CLASS-D AMPLIFIER