Patent ID: 6318637
Filing Date: 2001-11-20
Classification: G06K

Abstract:
A dataform reader for reading a dataform, comprising:a hand-portable sized housing;an image assembly included within the housing, the image assembly including a plurality of lens assemblies, each of the lens assemblies being designed to image the dataform relative to a different respective best focus length from the image assembly in order to obtain a corresponding one of a plurality of sets of image data; andmeans within the housing for selecting, from among the plurality of sets of image data, by evaluating each of the plurality of sets of image data and selecting one of the sets of image data satisfying a predefined focus criteria, wherein each of the plurality of sets of image data is evaluated by sampling each of the plurality of sets of image data and selecting one of the sets of image data based on the sampled data which satisfies the predefined focus criteria.