![]() ![]() Google Patents Optical scanner for reading and decoding one- and-two-dimensional symbologies at variable depths of field including memory efficient high speed image processing means and high accuracy image analysis meansÄownload PDF Info Publication number US5756981A US5756981A US08/690,752 US69075296A US5756981A US 5756981 A US5756981 A US 5756981A US 69075296 A US69075296 A US 69075296A US 5756981 A US5756981 A US 5756981A Authority US United States Prior art keywords symbology light field optical image Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google Patents US5756981A - Optical scanner for reading and decoding one- and-two-dimensional symbologies at variable depths of field including memory efficient high speed image processing means and high accuracy image analysis means ![]() US5756981A - Optical scanner for reading and decoding one- and-two-dimensional symbologies at variable depths of field including memory efficient high speed image processing means and high accuracy image analysis means
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