Xin M. Zhao

Person

Albuquerque, NM, 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
Single-inductor multiple output (SIMO) switching power supply havin...
- Patent number 11,552,567
- Issue date Jan 10, 2023
- Cirrus Logic, Inc.
- Xin Zhao
- 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
Single-capacitor inductive sense systems
- Patent number 11,536,758
- Issue date Dec 27, 2022
- Cirrus Logic, Inc.
- Jason L. Wardlaw
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Frequency-selective common-mode control and output stage biasing in...
- Patent number 11,522,509
- Issue date Dec 6, 2022
- Cirrus Logic, Inc.
- Xin Zhao
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Low power high precision piecewise linear (PWL) waveform generator
- Patent number 11,451,215
- Issue date Sep 20, 2022
- Cirrus Logic, Inc.
- Miao Song
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Phase compensation in a resonant phase detector
- Patent number 11,255,892
- Issue date Feb 22, 2022
- Cirrus Logic, Inc.
- Tejasvi Das
- G01 - MEASURING TESTING
Information Patent Grant
Dual bootstrapping for an open-loop pulse width modulation driver
- Patent number 11,190,168
- Issue date Nov 30, 2021
- Cirrus Logic, Inc.
- Jing Bai
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Dual bootstrapping for an open-loop pulse width modulation driver
- Patent number 11,070,203
- Issue date Jul 20, 2021
- Cirrus Logic, Inc.
- Jing Bai
- G06 - COMPUTING CALCULATING COUNTING
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
Information Patent Grant
Polymorphic playback system with signal detection filters of differ...
- Patent number 10,726,873
- Issue date Jul 28, 2020
- Cirrus Logic, Inc.
- Ku He
- G11 - INFORMATION STORAGE
Information Patent Grant
Low-latency audio output with variable group delay
- Patent number 10,701,486
- Issue date Jun 30, 2020
- Cirrus Logic, Inc.
- John L. Melanson
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital short detection method of class D amplifier
- Patent number 10,663,531
- Issue date May 26, 2020
- Cirrus Logic, Inc.
- Lei Zhu
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Open-loop class-D amplifier system with analog supply ramping
- Patent number 10,658,988
- Issue date May 19, 2020
- Cirrus Logic, Inc.
- Miao Song
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Closed-loop digital compensation scheme
- Patent number 10,651,801
- Issue date May 12, 2020
- Cirrus Logic, Inc.
- Lei Zhu
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Variable output resistance in a playback path with open-loop pulse-...
- Patent number 10,644,661
- Issue date May 5, 2020
- Cirrus Logic, Inc.
- Tejasvi Das
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Full-scale range enhancement in a dual-path pulse width modulation...
- Patent number 10,594,310
- Issue date Mar 17, 2020
- Cirrus Logic, Inc.
- Ku He
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Cross regulation reduction in single inductor multiple output (SIMO...
- Patent number 10,505,454
- Issue date Dec 10, 2019
- Cirrus Logic, Inc.
- Xin Zhao
- G05 - CONTROLLING REGULATING
Information Patent Grant
Cross-fading in dual-path pulse width modulation system
- Patent number 10,476,444
- Issue date Nov 12, 2019
- Cirrus Logic, Inc.
- Tejasvi Das
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Amplifier with configurable final output stage
- Patent number 10,447,217
- Issue date Oct 15, 2019
- Cirrus Logic, Inc.
- Xin Zhao
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Headset management by microphone terminal characteristic detection
- Patent number 10,412,479
- Issue date Sep 10, 2019
- Cirrus Logic, Inc.
- Xin Zhao
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Calibration of a dual-path pulse width modulation system
- Patent number 10,404,248
- Issue date Sep 3, 2019
- Cirrus Logic, Inc.
- Tejasvi Das
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Fully-differential operational amplifier system
- Patent number 10,320,337
- Issue date Jun 11, 2019
- Cirrus Logic, Inc.
- Xin Zhao
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Switching in an audio system with multiple playback paths
- Patent number 10,321,230
- Issue date Jun 11, 2019
- Cirrus Logic, Inc.
- Tejasvi Das
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Calibration of a dual-path pulse width modulation system
- Patent number 10,263,584
- Issue date Apr 16, 2019
- Cirrus Logic, Inc.
- Tejasvi Das
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Offset calibration for amplifier and preceding circuit
- Patent number 10,236,827
- Issue date Mar 19, 2019
- Cirrus Logic, Inc.
- Lei Zhu
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Closed-loop digital compensation scheme
- Patent number 10,224,877
- Issue date Mar 5, 2019
- Cirrus Logic, Inc.
- Lei Zhu
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Calibration of a dual-path pulse width modulation system
- Patent number 10,181,845
- Issue date Jan 15, 2019
- Cirrus Logic, Inc.
- Tejasvi Das
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Fully-differential current digital-to-analog converter
- Patent number 10,009,686
- Issue date Jun 26, 2018
- Cirrus Logic, Inc.
- Tejasvi Das
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

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
SINGLE-CAPACITOR INDUCTIVE SENSE SYSTEMS
- Publication number 20230082721
- Publication date Mar 16, 2023
- Cirrus Logic International Semiconductor Ltd.
- Jason L. WARDLAW
- G06 - COMPUTING CALCULATING COUNTING
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
SINGLE-INDUCTOR MULTIPLE OUTPUT (SIMO) SWITCHING POWER SUPPLY HAVIN...
- Publication number 20220329155
- Publication date Oct 13, 2022
- Cirrus Logic International Semiconductor Ltd.
- Xin Zhao
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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
FREQUENCY-SELECTIVE COMMON-MODE CONTROL AND OUTPUT STAGE BIASING IN...
- Publication number 20220286098
- Publication date Sep 8, 2022
- Cirrus Logic International Semiconductor Ltd.
- Xin Zhao
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
PHASE COMPENSATION IN A RESONANT PHASE DETECTOR
- Publication number 20200386804
- Publication date Dec 10, 2020
- Cirrus Logic International Semiconductor Ltd.
- Tejasvi DAS
- G01 - MEASURING TESTING
Information Patent Application
SINGLE-CAPACITOR INDUCTIVE SENSE SYSTEMS
- Publication number 20200271706
- Publication date Aug 27, 2020
- Cirrus Logic International Semiconductor Ltd.
- Jason L. WARDLAW
- G01 - MEASURING TESTING
Information Patent Application
DUAL BOOTSTRAPPING FOR AN OPEN-LOOP PULSE WIDTH MODULATION DRIVER
- Publication number 20200177167
- Publication date Jun 4, 2020
- Cirrus Logic International Semiconductor Ltd.
- Jing BAI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
POLYMORPHIC PLAYBACK SYSTEM WITH SIGNAL DETECTION FILTERS OF DIFFER...
- Publication number 20200058326
- Publication date Feb 20, 2020
- Cirrus Logic International Semiconductor Ltd.
- Ku He
- G11 - INFORMATION STORAGE
Information Patent Application
VARIABLE OUTPUT RESISTANCE IN A PLAYBACK PATH WITH OPEN-LOOP PULSE-...
- Publication number 20200044616
- Publication date Feb 6, 2020
- Cirrus Logic International Semiconductor Ltd.
- Tejasvi DAS
- 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
Information Patent Application
FULL-SCALE RANGE ENHANCEMENT IN A DUAL-PATH PULSE WIDTH MODULATION...
- Publication number 20190260365
- Publication date Aug 22, 2019
- Cirrus Logic International Semiconductor Ltd.
- Ku HE
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
DUAL BOOTSTRAPPING FOR AN OPEN-LOOP PULSE WIDTH MODULATION DRIVER
- Publication number 20190260377
- Publication date Aug 22, 2019
- Cirrus Logic International Semiconductor Ltd.
- Jing BAI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
CROSS REGULATION REDUCTION IN SINGLE INDUCTOR MULTIPLE OUTPUT (SIMO...
- Publication number 20190199215
- Publication date Jun 27, 2019
- Cirrus Logic International Semiconductor Ltd.
- Xin Zhao
- G05 - CONTROLLING REGULATING
Information Patent Application
CLOSED-LOOP DIGITAL COMPENSATION SCHEME
- Publication number 20190149096
- Publication date May 16, 2019
- Cirrus Logic International Semiconductor Ltd.
- Lei Zhu
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
CALIBRATION OF A DUAL-PATH PULSE WIDTH MODULATION SYSTEM
- Publication number 20190115886
- Publication date Apr 18, 2019
- Cirrus Logic International Semiconductor Ltd.
- Tejasvi DAS
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
CALIBRATION OF A DUAL-PATH PULSE WIDTH MODULATION SYSTEM
- Publication number 20190115909
- Publication date Apr 18, 2019
- Cirrus Logic International Semiconductor Ltd.
- Tejasvi DAS
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
DIGITAL SHORT DETECTION METHOD OF CLASS D AMPLIFIER
- Publication number 20190107570
- Publication date Apr 11, 2019
- Cirrus Logic International Semiconductor Ltd.
- LEI ZHU
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
SWITCHING IN AN AUDIO SYSTEM WITH MULTIPLE PLAYBACK PATHS
- Publication number 20180295442
- Publication date Oct 11, 2018
- Cirrus Logic International Semiconductor Ltd.
- Tejasvi DAS
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
CLOSED-LOOP DIGITAL COMPENSATION SCHEME
- Publication number 20180212570
- Publication date Jul 26, 2018
- Cirrus Logic International Semiconductor Ltd.
- Lei Zhu
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
OFFSET CALIBRATION FOR AMPLIFIER AND PRECEDING CIRCUIT
- Publication number 20180212569
- Publication date Jul 26, 2018
- Cirrus Logic International Semiconductor Ltd.
- Lei ZHU
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
AMPLIFIER WITH CONFIGURABLE FINAL OUTPUT STAGE
- Publication number 20180159488
- Publication date Jun 7, 2018
- Cirrus Logic International Semiconductor Ltd.
- Xin ZHAO
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
AMPLIFIER WITH CONFIGURABLE FINAL OUTPUT STAGE
- Publication number 20180091102
- Publication date Mar 29, 2018
- Cirrus Logic International Semiconductor Ltd.
- Xin ZHAO
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
FULLY-DIFFERENTIAL OPERATIONAL AMPLIFIER SYSTEM
- Publication number 20180062583
- Publication date Mar 1, 2018
- Cirrus Logic International Semiconductor Ltd.
- Xin Zhao
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
HEADSET MANAGEMENT BY MICROPHONE TERMINAL CHARACTERISTIC DETECTION
- Publication number 20170019725
- Publication date Jan 19, 2017
- Cirrus Logic International Semiconductor Ltd.
- Xin Zhao
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SYSTEMS AND METHODS FOR GAIN CALIBRATION OF AN AUDIO SIGNAL PATH
- Publication number 20160072465
- Publication date Mar 10, 2016
- Cirrus Logic, Inc.
- Tejasvi Das
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
COMPARATOR TRACKING CONTROL SCHEME WITH DYNAMIC WINDOW LENGTH
- Publication number 20150303932
- Publication date Oct 22, 2015
- Cirrus Logic, Inc.
- Ku He
- H03 - BASIC ELECTRONIC CIRCUITRY

Xin M. Zhao

Person

Patents Grantslast 30 patents

Audio processing system signal-level based temporal masking

Single-inductor multiple output (SIMO) switching power supply havin...

Signal amplitude-selected signal predistortion in an amplifier

Single-capacitor inductive sense systems

Frequency-selective common-mode control and output stage biasing in...

Low power high precision piecewise linear (PWL) waveform generator

Phase compensation in a resonant phase detector

Dual bootstrapping for an open-loop pulse width modulation driver

Dual bootstrapping for an open-loop pulse width modulation driver

Gain control in a class-D open-loop amplifier

Increased noise performance using quantizer code suppression

Polymorphic playback system with signal detection filters of differ...

Low-latency audio output with variable group delay

Digital short detection method of class D amplifier

Open-loop class-D amplifier system with analog supply ramping

Closed-loop digital compensation scheme

Variable output resistance in a playback path with open-loop pulse-...

Full-scale range enhancement in a dual-path pulse width modulation...

Cross regulation reduction in single inductor multiple output (SIMO...

Cross-fading in dual-path pulse width modulation system

Amplifier with configurable final output stage

Headset management by microphone terminal characteristic detection

Calibration of a dual-path pulse width modulation system

Fully-differential operational amplifier system

Switching in an audio system with multiple playback paths

Calibration of a dual-path pulse width modulation system

Offset calibration for amplifier and preceding circuit

Closed-loop digital compensation scheme

Calibration of a dual-path pulse width modulation system

Fully-differential current digital-to-analog converter

Patents Applicationslast 30 patents

MULTI-CHIP SYNCHRONIZATION IN SENSOR APPLICATIONS

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

SINGLE-CAPACITOR INDUCTIVE SENSE SYSTEMS

SIGNAL AMPLITUDE-SELECTED SIGNAL PREDISTORTION IN AN AMPLIFIER

SINGLE-INDUCTOR MULTIPLE OUTPUT (SIMO) SWITCHING POWER SUPPLY HAVIN...

AUDIO PROCESSING SYTEM SIGNAL-LEVEL BASED TEMPORAL MASKING

FREQUENCY-SELECTIVE COMMON-MODE CONTROL AND OUTPUT STAGE BIASING IN...

PHASE COMPENSATION IN A RESONANT PHASE DETECTOR

SINGLE-CAPACITOR INDUCTIVE SENSE SYSTEMS

DUAL BOOTSTRAPPING FOR AN OPEN-LOOP PULSE WIDTH MODULATION DRIVER

POLYMORPHIC PLAYBACK SYSTEM WITH SIGNAL DETECTION FILTERS OF DIFFER...

VARIABLE OUTPUT RESISTANCE IN A PLAYBACK PATH WITH OPEN-LOOP PULSE-...

GAIN CONTROL IN A CLASS-D OPEN-LOOP AMPLIFIER

FULL-SCALE RANGE ENHANCEMENT IN A DUAL-PATH PULSE WIDTH MODULATION...

DUAL BOOTSTRAPPING FOR AN OPEN-LOOP PULSE WIDTH MODULATION DRIVER

CROSS REGULATION REDUCTION IN SINGLE INDUCTOR MULTIPLE OUTPUT (SIMO...

CLOSED-LOOP DIGITAL COMPENSATION SCHEME

CALIBRATION OF A DUAL-PATH PULSE WIDTH MODULATION SYSTEM

CALIBRATION OF A DUAL-PATH PULSE WIDTH MODULATION SYSTEM

DIGITAL SHORT DETECTION METHOD OF CLASS D AMPLIFIER

SWITCHING IN AN AUDIO SYSTEM WITH MULTIPLE PLAYBACK PATHS

CLOSED-LOOP DIGITAL COMPENSATION SCHEME

OFFSET CALIBRATION FOR AMPLIFIER AND PRECEDING CIRCUIT

AMPLIFIER WITH CONFIGURABLE FINAL OUTPUT STAGE

AMPLIFIER WITH CONFIGURABLE FINAL OUTPUT STAGE

FULLY-DIFFERENTIAL OPERATIONAL AMPLIFIER SYSTEM

HEADSET MANAGEMENT BY MICROPHONE TERMINAL CHARACTERISTIC DETECTION

SYSTEMS AND METHODS FOR GAIN CALIBRATION OF AN AUDIO SIGNAL PATH

COMPARATOR TRACKING CONTROL SCHEME WITH DYNAMIC WINDOW LENGTH