O2Micro Receives Continuation of Circuit Patent

June 06, 2004 by Jeff Shepard

O2Micro International Ltd. (George Town, Grand Cayman), a supplier of power management and security ICs to mobile computer and communications manufacturers, was granted 16 claims under United States patent number 6,720,800 for its Precision Trimming Method, also referred to as DigitalLaserTrim™, for integrated circuits; a continuation of the invention issued October 2002 under United States patent number 6,472,897.

O2Micro's patented Precision Trimming methodology is implemented in dc-dc power control, battery cell balancing and battery-charging device applications. It also applies to mixed-signal data converters, waveform generators, precision dc output circuits, precision comparators and many other basic circuits used as core building blocks.