11
Reginia Chan, James Lam: Low-power CD-ROM player with CD-ROM subsystem for portable computer capable of playing audio CDs without supply energy to CPU. O2 Micro International, April 15, 2008: US07359998 (12 worldwide citation)

A low-power audio CD player for portable computers permits operation of the CD-ROM subsystem when power is not being supplied to the computer subsystem. In one embodiment of the invention, the computer subsystem comprises a system CPU, a digital-audio generating circuit, a digital computer bus coupl ...


12
Laszlo Lipcsei: Low distortion class-D amplifier. O2 Micro International, December 30, 2008: US07471144 (5 worldwide citation)

A low distortion class-D amplifier. The amplifier comprises a power supply terminal for receiving power, an amplification stage, and an output stage. The amplification stage receives an input signal and generates a ramp signal. Further more, the amplification stage generates a pulse width modulation ...


13
Licai Fang, Lin Gan, Shunguang Ding, Jyshyang Chen: Robust and economic solution for FPGA bitfile upgrade. O2 Micro International, June 24, 2008: US07391237 (4 worldwide citation)

A system for FPGA (Field Programmable Gate Array) upgrade includes: an FPGA, a FLASH memory and a CPLD. The FLASH memory includes a first section configured to store a workable version of bit files for the FPGA and a second section configured to store a backup version of bit files for the FPGA. The ...


14
Liusheng Liu, Guoxing Li: Level shifting and level shifting amplifier circuits. O2 Micro International, Grossman Tucker Perreault & Pfleger PLLC, August 16, 2005: US06930515 (3 worldwide citation)

Level shifting and amplified level shifting circuit topologies are provided that include two or more level shifting or amplified level shifting circuits. The level shifting circuits receive a variable and fixed input and generate a variable and fixed output that are level shifted with respect to the ...


15
Chih Jen Kuo, Wei Luo: Personal computing environment using mozilla. O2 Micro International, September 2, 2008: US07421480 (2 worldwide citation)

A smart card enabled mobile personal computing environment system stores a user's personalized, fully functional, computing environment in a smart card. The user to specifies information required to configure the client to the user's preferred personal computing environment. The user's personal comp ...


16
Reginia Chan, Sterling Du, James Lam, Aaron Reynoso: Low power CD-ROM player with CD-ROM subsystem for portable computer capable of isolating digital computer bus from CD-ROM drive. O2 Micro International, July 10, 2007: US07243168 (2 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 ...


17
Huang Jung Chih, Oh Brian, Huang Yishao Max, Du Sterling, Reynoso Aaron: Pre-boot security controller. O2 Micro International, May 17, 2000: EP1001331-A2 (2 worldwide citation)

A pre-boot security controller in an electronic device is energized even though a power subsystem does not energize operation of a digital computer in the device. The security controller stores supervisor and user passwords in a nonvolatile password memory for comparison with a password entered usin ...


18
Laszlo Lipcsei, Sorin Hornet: DC/DC converter with improved stability. O2 Micro International, November 4, 2008: US07446516 (1 worldwide citation)

The DC/DC converter according to one embodiment includes a switch, an inductor, a capacitor, a resistor, and a voltage divider. The switch is coupled to the input voltage. The inductor is used for coupling the first switch to an output node of the DC/DC converter so as to generate the output voltage ...


19
Chan Reginia, Du Sterling: Launch key, low power cd-rom player for portable computers. O2 Micro International, Chan Reginia, Du Sterling, PFLEGER Edmund Paul, March 1, 2001: WO/2001/015159 (1 worldwide citation)

A portable computer (12) adapted with an application launch controller (34) to selectively launch a desired application when the portable computer is in an off or suspended state. Programmable function keys (36) are provided to permit users to define associated applications with the function keys to ...


20
Laszlo Lipcsei, Serban Popescu, ChengHwa Teh: Switching resistance linear regulator architecture. O2 Micro International, June 24, 2008: US07391191

A switching resistance linear regulator. The regulator comprises an output terminal producing a regulated output voltage, a first comparator, a second comparator, a first sourcing circuit coupled to the output terminal, and a first sinking circuit coupled to the output terminal. The first comparator ...