September 2, 2008. O2Micro® International Limited (NASDAQ®: OIIM; SEHK: 0457), a leading supplier of innovative power management and security components and systems, was issued 21 claims under United States patent number 7,375,472 for its Photoflash Diode driver invention. This invention provides a circuit and control method to drive current through photoflash diodes used in portable devices like digital still cameras. Portable devices drive... Read More
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