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MicroVision designed and produced pico-projectors based on MEMs (micro mechanical systems) and lasers. These are distinguished from conventional projectors by producing images which are always in focus (no adjustment from the user required). As such, the product focus is on mobile consumer devices. Microvision's technology may also aspired to 3D scanning applications.
I became interested in the technology when Sony's involvement validated the technology, and profited handsomely during that management's tenure, which involved a reasonable approach to growth. However, early warnings had me playing hands off a few years later, and experience made me want nothing to do with later management.