Inventor
SHUM WAI-SHUN
US13 patents
Patents
13 patentsUS11050433B1Jun 29, 2021
Using a tracking switched-mode power supply to increase efficiency of a current digital-to-analog converter-based output stage
CIRRUS LOGIC INT SEMICONDUCTOR LTD24 citations93
US11271583B2Mar 8, 2022
Current digital-to-analog converter with high-impedance output
CIRRUS LOGIC INT SEMICONDUCTOR LTD1 citations72
US11043959B1Jun 22, 2021
Current digital-to-analog converter with warming of digital-to-analog converter elements
CIRRUS LOGIC INT SEMICONDUCTOR LTD4 citations72
US10840940B2Nov 17, 2020
Suppression of noise of delta-sigma modulators
CIRRUS LOGIC INT SEMICONDUCTOR LTD4 citations72
US11677360B2Jun 13, 2023
Equalization in a multi-path audio amplifier for canceling variations due to multi-path output impedance differences
CIRRUS LOGIC INT SEMICONDUCTOR LTD2 citations71
US11846973B1Dec 19, 2023
Systems and methods for context-dependent multicore interrupt facilitation
CIRRUS LOGIC INT SEMICONDUCTOR LTD2 citations70
US11798978B2Oct 24, 2023
On-chip inductor with audio headphone amplifier
CIRRUS LOGIC INT SEMICONDUCTOR LTD0 citations62
US10727860B1Jul 28, 2020
Increased noise performance using quantizer code suppression
CIRRUS LOGIC INT SEMICONDUCTOR LTD1 citations62
US11539331B2Dec 27, 2022
Signal amplitude-selected signal predistortion in an amplifier
CIRRUS LOGIC INT SEMICONDUCTOR LTD0 citations61
US11438697B2Sep 6, 2022
Low-latency audio output with variable group delay
CIRRUS LOGIC INT SEMICONDUCTOR LTD0 citations61
US11329620B2May 10, 2022
Tracking and correcting gain of open-loop driver in a multi-path processing system
CIRRUS LOGIC INT SEMICONDUCTOR LTD0 citations56
US12425178B2Sep 23, 2025
Multi-chip synchronization in sensor applications
CIRRUS LOGIC INT SEMICONDUCTOR LTD0 citations47
US12039964B2Jul 16, 2024
Audio processing system signal-level based temporal masking
CIRRUS LOGIC INT SEMICONDUCTOR LTD0 citations47