Invariant design image capture device
US-9224024-B2 · Dec 29, 2015 · US
US9064166B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9064166-B2 |
| Application number | US-201314090700-A |
| Country | US |
| Kind code | B2 |
| Filing date | Nov 26, 2013 |
| Priority date | Nov 26, 2013 |
| Publication date | Jun 23, 2015 |
| Grant date | Jun 23, 2015 |
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A method includes the following: (1) projecting a light pattern towards a target object; (2) detecting light returned from the target object through an imaging lens arrangement with an imaging sensor to capture a first image with changes in the position of the focus plane of the imaging lens arrangement; (3) processing the first image to determine an optimized position of the focus plane of the imaging lens arrangement; (4) detecting light returned from the target object with the imaging sensor to capture a second image when the position of the focus plane of the imaging lens arrangement is maintained at the optimized position; and (5) decoding a barcode in the second image.
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What is claimed is: 1. A method comprising: projecting a light pattern towards a target object; detecting light returned from the target object through an imaging lens arrangement with an imaging sensor to capture a first image during a first frame exposure time period, the imaging sensor having rows of photosensitive elements arranged in a matrix wherein each row of photosensitive elements is associated with a corresponding row-exposure-time period, and wherein the average posi…
Physics · mapped topic
Physics · mapped topic
Physics · mapped topic
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