Bioptic barcode reader

Abstract

A bioptic barcode reader has a housing having a lower housing portion with an upper surface and an upper housing portion extending above the lower housing portion. A generally horizontal window is positioned at the upper surface and a generally upright window is positioned in the upper housing portion. An illumination assembly has an illumination field-of-view and an imaging assembly, including an image sensor, has an imaging field-of-view with a centerline that is directed at an angle relative to the upper surface. A mirror arrangement is configured to split the imaging field-of-view into first and second portions, redirect the first portion of the imaging field-of-view through the generally upright window, and redirect the second portion of the imaging field-of-view and the illumination field-of-view through the generally horizontal window such that the second portion is covered by the illumination field-of-view at the generally horizontal window.

1 . A bioptic barcode reader, comprising:
 a housing having a lower housing portion with an upper surface facing a product scanning region and an upper housing portion extending above the lower housing portion;   a generally horizontal window positioned at the upper surface of the lower housing portion, the generally horizontal window configured to allow a first light to pass between the product scanning region and an interior region of the housing;   a generally upright window positioned in the upper housing portion, the generally upright window configured to allow a second light to pass between the product scanning region and the interior region of the housing;   an illumination assembly having an illumination field-of-view;   an imaging assembly including an image sensor, the imaging assembly having an imaging field-of-view with a centerline that is directed at an angle relative to the upper surface; and   a mirror arrangement positioned within the interior region, the mirror arrangement configured to split the imaging field-of-view axis into a first portion and a second portion, redirect the first portion of the imaging field-of-view through the generally upright window, and redirect the second portion of the imaging field-of-view and the illumination field-of-view through the generally horizontal window such that the second portion of the imaging field-of-view is covered by the illumination field-of-view at the generally horizontal window,   wherein the angle is greater than or equal to 0.5 degrees and less than or equal to 5.0 degrees.   
     
     
         2 . The bioptic barcode reader of  claim 1 , wherein a reflection of the illumination assembly is located outside of the second portion of the imaging field-of-view in the product scanning region. 
     
     
         3 . The bioptic barcode reader of  claim 1 , wherein the illumination assembly comprises one or more light emitting diodes. 
     
     
         4 . The bioptic barcode reader of  claim 1 , comprising a printed circuit board, wherein the image sensor and the illumination assembly are mounted on the printed circuit board. 
     
     
         5 . The bioptic barcode reader of  claim 4 , wherein the imaging assembly comprises an imaging lens and a central axis of the imaging lens is offset from a central axis of the image sensor. 
     
     
         6 . The bioptic barcode reader of  claim 4 , wherein the printed circuit board is aligned perpendicular to the upper surface and the image sensor is mounted at the angle on the printed circuit board. 
     
     
         7 . The bioptic barcode reader of  claim 4 , wherein the printed circuit board is aligned at the angle relative to an axis perpendicular to the upper surface. 
     
     
         8 . The bioptic barcode reader of  claim 4 , wherein the printed circuit board is aligned perpendicular to the upper surface and the imaging assembly comprises a prism that redirects the imaging field-of-view at the angle. 
     
     
         9 . The bioptic barcode reader of  claim 1 , wherein the illumination assembly is mounted to a first printed circuit board, the first printed circuit board aligned perpendicular to the upper surface, and the imaging assembly in mounted to a second printed circuit board, the second printed circuit board aligned at the angle relative to an axis perpendicular to the upper surface. 
     
     
         10 . The bioptic barcode reader of  claim 1 , wherein the generally horizontal window has a length extending from a proximal end towards a distal end of the upper surface and a width extending perpendicular to the length, the width greater than the length. 
     
     
         11 . The bioptic barcode reader of  claim 10 , wherein the generally horizontal window has a width that is 4 ½ inches and a length that is 4 inches. 
     
     
         12 . The bioptic barcode reader of  claim 1 , wherein the mirror arrangement comprises a splitter mirror, a first mirror, and a second mirror, the splitter mirror positioned directly in a first path of the first portion of the imaging field-of-view and configured to split the imaging field-of-view along a horizontal axis and redirect the first portion from the first path to a second path towards the second mirror, the first mirror positioned directly in a third path of the second portion of the imaging field-of-view and directly in a fourth path of the illumination field-of-view and configured to redirect the second portion of the imaging field-of-view and the illumination field-of-view through the generally horizontal window, and the second mirror positioned directly in the second path and configured to redirect the first portion through the generally upright window. 
     
     
         14 . A bioptic barcode reader, comprising:
 a housing having a lower housing portion with an upper surface facing a product scanning region and an upper housing portion extending above the lower housing portion;   a generally horizontal window positioned at the upper surface of the lower housing portion, the generally horizontal window configured to allow a first light to pass between the product scanning region and an interior region of the housing;   a generally upright window positioned in the upper housing portion, the generally upright window configured to allow a second light to pass between the product scanning region and the interior region of the housing;   an illumination assembly including a light emitting diode, the illumination assembly having an illumination field-of-view;   an imaging assembly including an image sensor, the imaging assembly having an imaging field-of-view with a centerline that is directed at an angle relative to the upper surface;   a mirror arrangement positioned within the interior region, the mirror arrangement including a splitter mirror, a first mirror, and a second mirror; wherein the splitter mirror is positioned directly in a first path of a first portion of the imaging field-of-view and is configured to split the imaging field-of-view and redirect the first portion of the imaging field-of-view from the first path to a second path towards the second mirror;   the first mirror is positioned directly in a third path of a second portion of the imaging field-of-view and directly in a fourth path of the illumination field-of-view and is configured to redirect the second portion of the imaging field-of-view and the illumination field-of-view through the generally horizontal window such that the second portion of the imaging field-of-view is covered by the illumination field-of-view at the generally horizontal window and a reflection of the light emitting diodes is located outside of the second portion of the imaging field-of-view in the product scanning region; and   the second mirror is positioned directly in the second path and is configured to redirect the first portion through the generally upright window.   
     
     
         15 . The bioptic barcode reader of  claim 14 , wherein the angle is greater than or equal to 0.5 degrees and less than or equal to 5.0 degrees. 
     
     
         16 . The bioptic barcode reader of  claim 14 , comprising a printed circuit board, wherein the image sensor and the illumination assembly are mounted on the printed circuit board. 
     
     
         17 . The bioptic barcode reader of  claim 16 , wherein the imaging assembly comprises an imaging lens and a central axis of the imaging lens is offset from a central axis of the image sensor. 
     
     
         18 . The bioptic barcode reader of  claim 16 , wherein the printed circuit board is aligned perpendicular to the upper surface and the image sensor is mounted at the angle on the printed circuit board. 
     
     
         19 . The bioptic barcode reader of  claim 16 , wherein the printed circuit board is aligned at the angle relative to an axis perpendicular to the upper surface. 
     
     
         20 . The bioptic barcode reader of  claim 16 , wherein the printed circuit board is aligned perpendicular to the upper surface and the imaging assembly comprises a prism that redirects the imaging field-of-view at the angle. 
     
     
         21 . The bioptic barcode reader of  claim 14 , wherein the illumination assembly is mounted to a first printed circuit board, the first printed circuit board aligned perpendicular to the upper surface, and the imaging assembly in mounted to a second printed circuit board, the second printed circuit board aligned at the angle relative to an axis perpendicular to the upper surface. 
     
     
         22 . The bioptic barcode reader of  claim 14 , wherein the generally horizontal window has a length extending from a proximal end to a distal end of the upper surface and a width extending perpendicular to the length, the length greater than the width.