Patent ID: 9033242
Filing Date: 2015-05-19
Classification: G06K

Abstract:
1. A universal symbol scanner, the scanner comprising: multiple lenses configured to image light reflected from a symbol to be read, wherein a subset of the multiple lenses is movable to provide at least two different fields of view, and wherein the multiple lenses do not form a continuous zoom lens arrangement; a sensor configured to capture an image of the symbol; a processor configured to decode the captured image and control a translation device; and, the translation device coupled to the subset of the multiple lenses and responsive to the processor to move the subset of the multiple lenses along an optical axis of the multiple lenses; wherein the multiple lenses comprise a first lens, a second lens, and a third lens, wherein the first lens has a positive power and is positioned between the second lens having a negative power and the third lens having a negative power, and further wherein the translation device is configured to move the first lens or both the second lens and the third lens responsive to the processor.