Wai-shun Wilson SHUM

Person

Austin, TX, US

People

Patents Grantslast 30 patents

Information Patent Grant
Audio processing system signal-level based temporal masking
- Patent number 12,039,964
- Issue date Jul 16, 2024
- Cirrus Logic, Inc.
- Ku He
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Systems and methods for context-dependent multicore interrupt facil...
- Patent number 11,846,973
- Issue date Dec 19, 2023
- Cirrus Logic Inc.
- Sachin Deo
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
On-chip inductor with audio headphone amplifier
- Patent number 11,798,978
- Issue date Oct 24, 2023
- Cirrus Logic Inc.
- John L. Melanson
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Equalization in a multi-path audio amplifier for canceling variatio...
- Patent number 11,677,360
- Issue date Jun 13, 2023
- Cirrus Logic, Inc.
- Leyi Yin
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Signal amplitude-selected signal predistortion in an amplifier
- Patent number 11,539,331
- Issue date Dec 27, 2022
- Cirrus Logic, Inc.
- Amar Vellanki
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Low-latency audio output with variable group delay
- Patent number 11,438,697
- Issue date Sep 6, 2022
- Cirrus Logic, Inc.
- John L. Melanson
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Tracking and correcting gain of open-loop driver in a multi-path pr...
- Patent number 11,329,620
- Issue date May 10, 2022
- Cirrus Logic, Inc.
- Johann G. Gaboriau
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Current digital-to-analog converter with high-impedance output
- Patent number 11,271,583
- Issue date Mar 8, 2022
- Cirrus Logic, Inc.
- John L. Melanson
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Using a tracking switched-mode power supply to increase efficiency...
- Patent number 11,050,433
- Issue date Jun 29, 2021
- Cirrus Logic, Inc.
- John L. Melanson
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Current digital-to-analog converter with warming of digital-to-anal...
- Patent number 11,043,959
- Issue date Jun 22, 2021
- Cirrus Logic, Inc.
- John L. Melanson
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Suppression of noise of delta-sigma modulators
- Patent number 10,840,940
- Issue date Nov 17, 2020
- Cirrus Logic, Inc.
- Leyi YiN
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Gain control in a class-D open-loop amplifier
- Patent number 10,763,811
- Issue date Sep 1, 2020
- Cirrus Logic, Inc.
- Lei Zhu
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Increased noise performance using quantizer code suppression
- Patent number 10,727,860
- Issue date Jul 28, 2020
- Cirrus Logic, Inc.
- Wai-Shun Shum
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
CLOCK INTEGRITY VERIFICATION AND PROTECTION IN AN INTEGRATED CIRCUI...
- Publication number 20250077646
- Publication date Mar 6, 2025
- Cirrus Logic International Semiconductor Ltd.
- Amar Vellanki
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
MULTI-CHIP SYNCHRONIZATION IN SENSOR APPLICATIONS
- Publication number 20240187205
- Publication date Jun 6, 2024
- Cirrus Logic International Semiconductor Ltd.
- Jeffrey SKARZYNSKI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SYSTEMS AND METHODS FOR RELAYING A MESSAGE FOR A PHYSICAL LEVEL/DAT...
- Publication number 20230379592
- Publication date Nov 23, 2023
- Cirrus Logic International Semiconductor Ltd.
- Wai-Shun SHUM
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SIGNAL AMPLITUDE-SELECTED SIGNAL PREDISTORTION IN AN AMPLIFIER
- Publication number 20220329212
- Publication date Oct 13, 2022
- Cirrus Logic International Semiconductor Ltd.
- Amar Vellanki
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
EQUALIZATION IN A MULTI-PATH AUDIO AMPLIFIER FOR CANCELING VARIATIO...
- Publication number 20220329216
- Publication date Oct 13, 2022
- Cirrus Logic International Semiconductor Ltd.
- Leyi Yin
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
AUDIO PROCESSING SYTEM SIGNAL-LEVEL BASED TEMPORAL MASKING
- Publication number 20220284877
- Publication date Sep 8, 2022
- Cirrus Logic International Semiconductor Ltd.
- Ku He
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
CURRENT DIGITAL-TO-ANALOG CONVERTER WITH HIGH-IMPEDANCE OUTPUT
- Publication number 20210175895
- Publication date Jun 10, 2021
- Cirrus Logic International Semiconductor Ltd.
- John L. MELANSON
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
USING A TRACKING SWITCHED-MODE POWER SUPPLY TO INCREASE EFFICIENCY...
- Publication number 20210175896
- Publication date Jun 10, 2021
- John L. MELANSON
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
CURRENT DIGITAL-TO-ANALOG CONVERTER WITH WARMING OF DIGITAL-TO-ANAL...
- Publication number 20210175894
- Publication date Jun 10, 2021
- Cirrus Logic International Semiconductor Ltd.
- John L. MELANSON
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
ON-CHIP INDUCTOR WITH AUDIO HEADPHONE AMPLIFIER
- Publication number 20210175322
- Publication date Jun 10, 2021
- Cirrus Logic International Semiconductor Ltd.
- John L. MELANSON
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LOW-LATENCY AUDIO OUTPUT WITH VARIABLE GROUP DELAY
- Publication number 20200389727
- Publication date Dec 10, 2020
- Cirrus Logic International Semiconductor Ltd.
- John L. MELANSON
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
TRACKING AND CORRECTING GAIN OF OPEN-LOOP DRIVER IN A MULTI-PATH PR...
- Publication number 20200343871
- Publication date Oct 29, 2020
- Cirrus Logic International Semiconductor Ltd.
- Johann G. GABORIAU
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
SUPPRESSION OF NOISE OF DELTA-SIGMA MODULATORS
- Publication number 20200204193
- Publication date Jun 25, 2020
- Cirrus Logic International Semiconductor Ltd.
- Leyi YIN
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
GAIN CONTROL IN A CLASS-D OPEN-LOOP AMPLIFIER
- Publication number 20200036352
- Publication date Jan 30, 2020
- Cirrus Logic International Semiconductor Ltd.
- Lei ZHU
- H03 - BASIC ELECTRONIC CIRCUITRY

Wai-shun Wilson SHUM

Person

Patents Grantslast 30 patents

Audio processing system signal-level based temporal masking

Systems and methods for context-dependent multicore interrupt facil...

On-chip inductor with audio headphone amplifier

Equalization in a multi-path audio amplifier for canceling variatio...

Signal amplitude-selected signal predistortion in an amplifier

Low-latency audio output with variable group delay

Tracking and correcting gain of open-loop driver in a multi-path pr...

Current digital-to-analog converter with high-impedance output

Using a tracking switched-mode power supply to increase efficiency...

Current digital-to-analog converter with warming of digital-to-anal...

Suppression of noise of delta-sigma modulators

Gain control in a class-D open-loop amplifier

Increased noise performance using quantizer code suppression

Patents Applicationslast 30 patents

CLOCK INTEGRITY VERIFICATION AND PROTECTION IN AN INTEGRATED CIRCUI...

MULTI-CHIP SYNCHRONIZATION IN SENSOR APPLICATIONS

SYSTEMS AND METHODS FOR RELAYING A MESSAGE FOR A PHYSICAL LEVEL/DAT...

SIGNAL AMPLITUDE-SELECTED SIGNAL PREDISTORTION IN AN AMPLIFIER

EQUALIZATION IN A MULTI-PATH AUDIO AMPLIFIER FOR CANCELING VARIATIO...

AUDIO PROCESSING SYTEM SIGNAL-LEVEL BASED TEMPORAL MASKING

CURRENT DIGITAL-TO-ANALOG CONVERTER WITH HIGH-IMPEDANCE OUTPUT

USING A TRACKING SWITCHED-MODE POWER SUPPLY TO INCREASE EFFICIENCY...

CURRENT DIGITAL-TO-ANALOG CONVERTER WITH WARMING OF DIGITAL-TO-ANAL...

ON-CHIP INDUCTOR WITH AUDIO HEADPHONE AMPLIFIER

LOW-LATENCY AUDIO OUTPUT WITH VARIABLE GROUP DELAY

TRACKING AND CORRECTING GAIN OF OPEN-LOOP DRIVER IN A MULTI-PATH PR...

SUPPRESSION OF NOISE OF DELTA-SIGMA MODULATORS

GAIN CONTROL IN A CLASS-D OPEN-LOOP AMPLIFIER