Kafai Leung

Person

Austin, TX, US

People

Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for scanning a touchscreen with multi-touch de...
- Patent number 8,358,285
- Issue date Jan 22, 2013
- Silicon Laboratories Inc.
- Kafai Leung
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Digital power supply controller with integrated microcontroller
- Patent number 7,855,905
- Issue date Dec 21, 2010
- Silicon Laboratories Inc.
- Ka Y. Leung
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Digital pulse width modulator with built-in protection functions fo...
- Patent number 7,701,685
- Issue date Apr 20, 2010
- Silicon Laboratories Inc.
- Kafai Leung
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Digital PWM controller with programmable safe state in presence of...
- Patent number 7,640,455
- Issue date Dec 29, 2009
- Silicon Laboratories Inc.
- Ka Y. Leung
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
MCU based motor controller with pre-load register and DMA controller
- Patent number 7,536,533
- Issue date May 19, 2009
- Silicon Laboratories Inc.
- Kafai Leung
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Microcontroller unit (MCU) with suspend mode
- Patent number 7,536,570
- Issue date May 19, 2009
- Silicon Laboratories Inc.
- Kafai Leung
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Distributed power supply system with separate SYNC control for cont...
- Patent number 7,502,240
- Issue date Mar 10, 2009
- Silicon Laboratories Inc.
- Kafai Leung
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Digital PWM controller for digital power supply having programmable...
- Patent number 7,498,787
- Issue date Mar 3, 2009
- Silicon Laboratories Inc.
- Kafai Leung
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Plural load distributed power supply system with shared master for...
- Patent number 7,446,430
- Issue date Nov 4, 2008
- Silicon Laboratories Inc.
- Kafai Leung
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Digital PWM controller
- Patent number 7,428,159
- Issue date Sep 23, 2008
- Silicon Laboratories Inc.
- Ka Y Leung
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Finite state machine digital pulse width modulator for a digitally...
- Patent number 7,426,123
- Issue date Sep 16, 2008
- Silicon Laboratories Inc.
- Ka Y. Leung
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Digital power supply controller with integrated microcontroller
- Patent number 7,426,645
- Issue date Sep 16, 2008
- Silicon Laboratories Inc.
- Ka Y. Leung
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
PID based controller for DC—DC converter with post-processing filters
- Patent number 7,245,512
- Issue date Jul 17, 2007
- Silicon Laboratories Inc.
- Ka Y. Leung
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
DPWM with leading edge blanker circuit
- Patent number 7,212,061
- Issue date May 1, 2007
- Silicon Laboratories Inc.
- Kafai Leung
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
DMA controller that restricts ADC from memory without interrupting...
- Patent number 7,188,199
- Issue date Mar 6, 2007
- Silicon Labs CP, Inc.
- Kafai Leung
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Low power PLL for PWM switching digital control power supply
- Patent number 7,113,011
- Issue date Sep 26, 2006
- Silicon Laboratories Inc.
- Ka Y. Leung
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Capacitor calibration in SAR converter
- Patent number 6,891,487
- Issue date May 10, 2005
- Silicon Labs CP, Inc.
- Ka Y. Leung
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
SAR analog-to-digital converter with two single ended inputs
- Patent number 6,882,298
- Issue date Apr 19, 2005
- Silicon Labs CP, Inc.
- Ka Y. Leung
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Method and apparatus for storing digital audio and playback thereof
- Patent number 6,356,872
- Issue date Mar 12, 2002
- Crystal Semiconductor Corporation
- Ka Yin Leung
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Linear phase finite impulse response filter with pre-addition
- Patent number 5,777,912
- Issue date Jul 7, 1998
- Crystal Semiconductor Corporation
- Ka Yin Leung
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Multiple function analog-to-digital converter with multiple serial...
- Patent number 5,652,585
- Issue date Jul 29, 1997
- Crystal Semiconductor Corp.
- Ka Yin Leung
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
LOW POWER MULTI-TOUCH SCAN CONTROL SYSTEM
- Publication number 20120054379
- Publication date Mar 1, 2012
- Kafai Leung
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
METHOD AND APPARATUS FOR SCANNING A TOUCHSCREEN WITH MULTI-TOUCH DE...
- Publication number 20100283760
- Publication date Nov 11, 2010
- Silicon Laboratories Inc.
- Kafai Leung
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
EEPROM EMULATION USING FLASH MEMORY
- Publication number 20100250875
- Publication date Sep 30, 2010
- Silicon Laboratories Inc.
- KAFAI LEUNG
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
DIGITAL POWER SUPPLY CONTROLLER WITH INTEGRATED MICROCONTROLLER
- Publication number 20090013199
- Publication date Jan 8, 2009
- Silicon Laboratories Inc.
- KA Y. LEUNG
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
MICROCONTROLLER UNIT (MCU) WITH SUSPEND MODE
- Publication number 20080080648
- Publication date Apr 3, 2008
- Silicon Laboratories Inc.
- KAFAI LEUNG
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
MCU based motor controller with pre-load register and DMA controller
- Publication number 20070198101
- Publication date Aug 23, 2007
- Kafai Leung
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Distributed power supply system with separate SYNC control for cont...
- Publication number 20060279969
- Publication date Dec 14, 2006
- Silicon Laboratories Inc.
- Kafai Leung
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Distributed power supply system with shared master for controlling...
- Publication number 20060244570
- Publication date Nov 2, 2006
- Silicon Laboratories Inc.
- Kafai Leung
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Digital PWM controller
- Publication number 20060220938
- Publication date Oct 5, 2006
- Ka Y. Leung
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Digital DC/DC converter with SYNC control
- Publication number 20060172783
- Publication date Aug 3, 2006
- Silicon Laboratories Inc.
- Kafai Leung
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Digital PWM controller with efficiency optimization as a function o...
- Publication number 20060083037
- Publication date Apr 20, 2006
- Silicon Laboratories Inc.
- Ka Y. Leung
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Finite state machine digital pulse width modulator for a digitally...
- Publication number 20060033650
- Publication date Feb 16, 2006
- Ka Y. Leung
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Digital PWM controller with programmable safe state in presence of...
- Publication number 20060022851
- Publication date Feb 2, 2006
- Ka Y. Leung
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
DPWM with leading edge blanker circuit
- Publication number 20060022732
- Publication date Feb 2, 2006
- Kafai Leung
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
DPWM with built-in protection functions for over current, over volt...
- Publication number 20060022731
- Publication date Feb 2, 2006
- Kafai Leung
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Digital PWM controller with efficiency optimization
- Publication number 20060023781
- Publication date Feb 2, 2006
- Ka Y. Leung
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
PID based controller for DC-DC converter with post-processing filters
- Publication number 20060023479
- Publication date Feb 2, 2006
- Ka Y. Leung
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Digital power supply controller with integrated microcontroller
- Publication number 20060022852
- Publication date Feb 2, 2006
- Ka Y. Leung
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Digital PWM controller for digital power supply having programmable...
- Publication number 20060022656
- Publication date Feb 2, 2006
- Kafai Leung
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Low power PLL for PWM switching digital control power supply
- Publication number 20050280458
- Publication date Dec 22, 2005
- Ka Y. Leung
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
DMA controlled for mixed signal device
- Publication number 20040267986
- Publication date Dec 30, 2004
- Kafai Leung
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Capacitor calibration in SAR converter
- Publication number 20040246153
- Publication date Dec 9, 2004
- Ka Y. Leung
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
SAR analog-to-digital converter with two single ended inputs
- Publication number 20040246160
- Publication date Dec 9, 2004
- Ka Y. Leung
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
METHOD AND APPARATUS FOR STORING DIGITAL AUDIO AND PLAYBACK THEREOF
- Publication number 20020032571
- Publication date Mar 14, 2002
- KA Y. LEUNG
- G10 - MUSICAL INSTRUMENTS ACOUSTICS

Kafai Leung

Person

Patents Grantslast 30 patents

Method and apparatus for scanning a touchscreen with multi-touch de...

Digital power supply controller with integrated microcontroller

Digital pulse width modulator with built-in protection functions fo...

Digital PWM controller with programmable safe state in presence of...

MCU based motor controller with pre-load register and DMA controller

Microcontroller unit (MCU) with suspend mode

Distributed power supply system with separate SYNC control for cont...

Digital PWM controller for digital power supply having programmable...

Plural load distributed power supply system with shared master for...

Digital PWM controller

Finite state machine digital pulse width modulator for a digitally...

Digital power supply controller with integrated microcontroller

PID based controller for DC—DC converter with post-processing filters

DPWM with leading edge blanker circuit

DMA controller that restricts ADC from memory without interrupting...

Low power PLL for PWM switching digital control power supply

Capacitor calibration in SAR converter

SAR analog-to-digital converter with two single ended inputs

Method and apparatus for storing digital audio and playback thereof

Linear phase finite impulse response filter with pre-addition

Multiple function analog-to-digital converter with multiple serial...

Patents Applicationslast 30 patents

LOW POWER MULTI-TOUCH SCAN CONTROL SYSTEM

METHOD AND APPARATUS FOR SCANNING A TOUCHSCREEN WITH MULTI-TOUCH DE...

EEPROM EMULATION USING FLASH MEMORY

DIGITAL POWER SUPPLY CONTROLLER WITH INTEGRATED MICROCONTROLLER

MICROCONTROLLER UNIT (MCU) WITH SUSPEND MODE

MCU based motor controller with pre-load register and DMA controller

Distributed power supply system with separate SYNC control for cont...

Distributed power supply system with shared master for controlling...

Digital PWM controller

Digital DC/DC converter with SYNC control

Digital PWM controller with efficiency optimization as a function o...

Finite state machine digital pulse width modulator for a digitally...

Digital PWM controller with programmable safe state in presence of...

DPWM with leading edge blanker circuit

DPWM with built-in protection functions for over current, over volt...

Digital PWM controller with efficiency optimization

PID based controller for DC-DC converter with post-processing filters

Digital power supply controller with integrated microcontroller

Digital PWM controller for digital power supply having programmable...

Low power PLL for PWM switching digital control power supply

DMA controlled for mixed signal device

Capacitor calibration in SAR converter

SAR analog-to-digital converter with two single ended inputs

METHOD AND APPARATUS FOR STORING DIGITAL AUDIO AND PLAYBACK THEREOF