This invention describes a smart device that can project light onto real-world objects and then use a camera to see how those projections interact with the object. Specifically, the claims narrow the invention to projecting light onto text, such as illuminating a word with white light or underlining a sentence. It can also highlight parts of text that match a search query.
Why it matters: Filed before widespread mobile augmented reality and advanced real-time computer vision. Modern smartphone processors and AI models can now perform the necessary real-time object recognition and precise projection alignment with much greater efficiency and accuracy.
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