1
Sterling Du, Reginia Chan: Audio controller for portable electronic devices. O2 Micro International, Grossman Tucker Perreault & Pfleger PLLC, January 6, 2004: US06675233 (144 worldwide citation)

An audio controller for use with laptop and notebook digital computers for reproducing compressed digital audio recordings. The controller includes a drive interface for traversing and accessing audio data files stored on a drive of a computer system. Function keys coupled to the controller permit u ...


2
You Yuh Shyr, Kwang H Liu, Sterling Du: Smart battery selector offering power conversion internally within a portable device. Micro International, Donald E Schreiber, May 11, 1999: US05903764 (77 worldwide citation)

A controller for a smart battery selector included in a portable device has a plurality of switch-drivers at least equal to a plurality of smart batteries. The batteries provide battery-state data via a bus to a host computer included in the portable device. Each switch-driver effects selection of a ...


3
Sterling Du, You Yuh Shyr, Chuan Chiung Kuo, Shih Ping Yeh: Look-ahead closed-loop thermal management. O 2 Micro International, Donald E Schreiber Esq, March 6, 2001: US06198245 (56 worldwide citation)

Thermal management within an electrically powered systems requires monitoring, from time-to-time, both electrical power consumption and temperature within the system. The power consumption and temperature data thus obtained permits developing over time a thermal model for the system. After a thermal ...


4
Reginia Chan, Sterling Du, James Lam, Aaron Reynoso: Low power CD-ROM player for portable computer. O2 Micro International, Hayes Soloway Hennessey Grossman & Hage P C, May 1, 2001: US06226237 (54 worldwide citation)

A computer subsystem of a computer includes a CPU, RAM, display, storage device, input device(s), and a digital-audio generating IC. A CD-ROM subsystem of the computer includes a CD-ROM drive and CD-ROM control buttons for controlling CD-ROM drive's operation while playing audio CDs. An audio-i ...


5
Sterling Du, Bruce Denning, James Lam: Personal computer integrated with personal digital assistant. O2 Micro International, September 9, 2008: US07424623 (23 worldwide citation)

A personal computer (PC) adapted to function as a personal digital assistant (PDA) includes: a central processing unit (CPU) responsive to a control signal to load a first operating system or a second operating system, wherein the first operating system is run by the PC in a first PC mode and the se ...


6
Reginia Chan, Sterling Du, James Lam, Aaron Reynoso: Low power CD-ROM player with CD-ROM subsystem for portable computer capable of playing audio CDs without supply energy to CPU. O2Micro International, Grossman Tucker Perreault & Pfleger PLLC, March 23, 2004: US06711631 (18 worldwide citation)

A computer subsystem of a computer includes a CPU, RAM, display, storage device, input device(s), and a digital-audio generating IC. A CD-ROM subsystem of the computer includes a CD-ROM drive and CD-ROM control buttons for controlling CD-ROM drivers operation while playing audio CDs. An audio-interf ...


7
James Lam, Bruce Denning, Sterling Du: Controller for portable electronic devices. Micro, October 11, 2005: US06954804 (17 worldwide citation)

A controller for use with laptop and notebook digital computers for reproducing compressed digital audio and video files. The controller includes a drive interface for traversing and accessing data stored on a drive of a computer system. Function keys or a remote controller permit users to access dr ...


8
Sterling Du, Bruce Denning, James Lam: Personal computer integrated with personal digital assistant. O2Micro International, March 11, 2008: US07343484 (16 worldwide citation)

A personal computer (PC) adapted to function as a personal digital assistant (PDA) includes: a central processing unit (CPU) responsive to a control signal to load a first operating system or a second operating system, wherein the first operating system is run by the PC in a first PC mode and the se ...


9
Yung Lin Lin, Sterling Du: Circuits and methods for driving light sources. O2Micro, April 2, 2013: US08410711 (16 worldwide citation)

In one embodiment, a driving circuit includes an AC/DC converter which converts an AC voltage to a DC voltage and a DC/DC linear regulator which regulates a current through, e.g., an LED light source, according to a first current reference if a monitoring signal indicating the DC voltage is within a ...


10
Sterling Du, Liusheng Liu, Oleksandr Kokorin: Systems and methods for battery status indication. O2Micro, October 25, 2011: US08044815 (10 worldwide citation)

A method and apparatus are provided to indicate battery capacity status. Different blinking frequencies of an LED correspond to different battery states of charge. Furthermore, the present invention provides a smooth visual brightness change of the LED by providing the appropriate LED current accord ...