Invention Grant
US08950676B2 Image capture based on working distance range restriction in imaging reader 有权
基于成像读取器中工作距离范围限制的图像捕获

Image capture based on working distance range restriction in imaging reader
Abstract:
An arrangement for, and a method of, electro-optically reading a target by image capture, employ an aiming assembly for projecting an aiming light pattern on the target that is located within a range of working distances relative to a housing, an imaging assembly for capturing an image of the target and of the aiming light pattern over a field of view, and for generating an electrical signal indicative of the captured image, and a controller for determining a distance of the target relative to the housing based on a position of the aiming light pattern in the captured image, and for processing the electrical signal into information relating to the target when the target lies in a restricted zone within the range of working distances.
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