Barcode-reading system
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United States of America Patent
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Feb 13, 2018
Issued Date -
N/A
app pub date -
May 3, 2016
filing date -
May 20, 2015
priority date (Note) -
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Abstract
A barcode reader is disclosed. The barcode reader may include a semiconductor package and an optic system. The semiconductor package may include a plurality of silicon dies stacked vertically and interconnected by through-silicon vias (TSVs) or wires. A first die positioned on top of the plurality of stacked silicon dies includes a photo sensor array and image read-out circuitry. The image read-out circuitry is coupled to the photo sensor array and configured to generate a frame of image data, wherein the frame of image data is a sequence of values, each value representing an intensity of illumination focused on one of the photo sensors. The optic system is configured to focus an image of a barcode on the photo sensor array. The optic system includes a lens assembly and a mirror. The mirror folds an optical path behind the lens assembly onto the array of photo sensors.
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