Inventor
DU RU FENG
CN13 patents
⚠️ This page may combine multiple inventors who share the name “DU RU FENG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
STMICROELECTRONICS SHENZHEN R&D CO LTD
10 patentsUS9276530B1Mar 1, 2016
Advanced current limit function for audio amplifier
STMICROELECTRONICS SHENZHEN R&D CO LTD19 citations91
US9306523B2Apr 5, 2016
Methods and circuits to reduce pop noise in an audio device
STMICROELECTRONICS SHENZHEN R&D CO LTD7 citations82
US9231535B2Jan 5, 2016
Silent start class-D amplifier
STMICROELECTRONICS SHENZHEN R&D CO LTD8 citations82
US11018644B2May 25, 2021
Audio amplifier with embedded buck controller for class-G application
STMICROELECTRONICS SHENZHEN R&D CO LTD4 citations71
US10193506B2Jan 29, 2019
Methods and circuits to reduce pop noise in an audio device
STMICROELECTRONICS SHENZHEN R&D CO LTD1 citations71
US12231102B2Feb 18, 2025
Audio amplifier with embedded buck controller for class-G application
STMICROELECTRONICS SHENZHEN R&D CO LTD0 citations61
US11750163B2Sep 5, 2023
Deglitching circuit and method in a class-D amplifier
STMICROELECTRONICS SHENZHEN R&D CO LTD0 citations61
US10965263B2Mar 30, 2021
Deglitching circuit and method in class-D amplifier
STMICROELECTRONICS SHENZHEN R&D CO LTD0 citations61
US10944366B2Mar 9, 2021
Advanced load current monitoring circuit and method for a class-AB amplifier
STMICROELECTRONICS SHENZHEN R&D CO LTD1 citations61
US10530309B2Jan 7, 2020
Methods and circuits to reduce pop noise in an audio device
STMICROELECTRONICS SHENZHEN R&D CO LTD0 citations50