Patent ID: 9135484
Filing Date: 2015-09-15
Classification: G06K

Abstract:
1. A data reader comprising: a housing including a transparent window; an optical imager contained in the housing and arranged to have a read volume projecting through the transparent window; a light source contained in the housing and arranged to project light into at least a portion of the read volume; wherein the light source includes: wherein each reflector includes walls arranged in a hollow, truncated pyramid shape, wherein each wall includes a substantially flat reflective surface that faces an inner portion of the hollow, truncated pyramid shape, wherein each reflector includes (a) four walls, (b) a smaller rectangle-shaped opening proximate the at least one light generator, (c) a larger rectangle-shaped opening distal from the at least one light generator, and (d) an axis running through a midpoint of the smaller rectangle-shaped opening and a midpoint of the larger rectangle-shaped opening, and wherein each axis of each reflector intersects the window at an angle between approximately 65° and 35°.