US 2022/0100977 A1Published application

Bioptic barcode reader

AssigneeZebra Technologies Corporation

InventorsMark Drzymala, Edward Barkan, Darran Michael Handshaw

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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.

Claims21

Dependent claims

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.

5 more elements

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.

7 more elements

Dependencies are inferred from the claim text.

Facts

Application: 17/545,642Filed 8 Dec 2021
Priority: 10 Sep 2020
Published: 31 Mar 2022
Term ends: Not estimatedThe source records don’t support an estimate.

Classification7 codes

G06K 7/10574
Light sources: multiple sources
G06K 7/1096
Further details of bar or optical code scanning devices: the scanner having more than one scanning window, e.g. two substantially orthogonally…
G06K 7/10702
Arrangement of fixed elements: particularities of propagating elements, e.g. lenses, mirrors
G06K 7/10732
Photodetector array or CCD scanning: light sources