System and process for simultaneously reading multiple forms

• US 8,072,651 B2
• Filed: 09/24/2008
• Issued: 12/06/2011
• Est. Priority Date: 03/14/2005
• Status: Expired due to Fees

• Current Assignee: GTECH Corporation (GTECH SpA)
• Original Assignee: GTECH Corporation (GTECH SpA)
• Inventors: Bozzi, Steven A., Parkes, Bruce I., Constant, Henry J. Jr.
• Primary Examiner(s): Worku, Negussie
• Application Number:
  US12/236,843
• Publication Number:
  US 20090027734A1
• Time in Patent Office: 1,168 Days
• Field of Search: 358/474, 358/486, 358/475, 358/509, 358/487, 358/498, 358/501, 358/448, 358/471, 358/473, 382/275, 382/174, 382/254, 235/462.02, 235/470, 235/456, 235/472, 235/462.25
• US Class Current: 358/471
• CPC Class Codes: G06K 7/10722 Photodetector array or CCD scanning
• CPC Class Codes: G06K 7/14 using light without selection of wavelength, e.g. sensing reflected white light G06K7/10831 - G06K7/1097 take precedence

Abstract

An optical reader with a single optical assembly that receives images from at least two different environments. For example, one environment may be constructed in a first chamber into which a document or bulk item with a bar code may be placed. The other environment may be constructed in a second chamber with an active drive mechanism that transports a document with optical readable markings to a reading location. The environments may be separated by a baffle that prevents light from leaking between the environments, and the electronics and software are constructed to read and decode information that is found in the images from both environments either sequentially or simultaneously.

Claims

1. An optical reader for processing an image from at least two different chambers, the optical reader comprising:

a first chamber for receiving a first document or bulk item;

at least a second chamber for receiving a second document or bulk item;

a baffle disposed between the first chamber and the second chamber;

at least one a light source assembly for illuminating the first and the at least second chambers;

an optical reader assembly having a photo-sensitive surface constructed to sense an image from the reflected light from each chamber, wherein a first portion of the photo-sensitive light surface is associated with light reflected from the first chamber and a second portion of the photo-sensitive surface is associated with light reflected from the second chamber;

electronics for generating the image from the photo-sensitive surface; and

software for decoding information from the image.

2. The optical reader of claim 1 further comprising:

an optical filter that receives and optically filters the reflected light, and

a lens to focus the reflected light onto the photo-sensitive surface.

3. The optical reader of claim 1

wherein the baffle is oriented substantially perpendicular to the photo-sensitive surface and extends up to near the photo-sensitive surface and essentially restricts the reflected light within each chamber.

4. The optical reader of claim 1 wherein each chamber defines a field of view.

5. The optical reader of claim 1 wherein the information in the images comprises a bar code and markings on a play slip.

6. The optical reader of claim 1 wherein the first document or bulk item is a packet of tickets and the second document or bulk item is a play slip.

7. The optical reader of claim 6 wherein the image from the reflected light from each chamber comprises an image of the packet of tickets in the first chamber when the first chamber contains the packet of tickets.

8. The optical reader of claim 6 wherein the image from the reflected light from each chamber comprises an image of the play slip in the second chamber when the second chamber contains the play slip.

9. The optical reader of claim 1 wherein the first document or bulk item is an instant ticket and the second document or bulk item is a packet of play tickets.

10. The optical reader of claim 1 further comprising an active drive mechanism that physically transports the first document to the first chamber.

11. The optical reader of claim 1 wherein the light source assembly includes a separate light source for each chamber.

12. A process for reading an image from at least two chambers, the process comprising the steps of:

illuminating a first chamber;

illuminating a second chamber that is at least partly separated from the first chamber by a baffle;

simultaneously reflecting light from both chambers onto a photo-sensitive surface of an optical imager;

creating an image from the light reflected from both chambers with the optical imager, wherein the reflected light from the first chamber illuminates a first portion of the photo-sensitive surface and the reflected light from the second chamber illuminates a second portion of the photo-sensitive surface; and

reading coded information in the image.

13. The process of claim 12 further comprising the steps of:

focusing the reflected light onto the photo-sensitive surface, and

filtering the reflective light before it impacts the photo-sensitive surface.

14. The process of claim 12 further comprising the step of:

separating the light reflected from the first environment from the reflected light from the second chamber, wherein the reflected light from the first chamber illuminates only a first portion of the photo-sensitive surface and the reflected light from the second chamber illuminates only a second portion of the photo-sensitive surface.

15. The process of claim 12 further comprising the step of transporting the first document to the first chamber.

16. The process of claim 12 further comprising:

separating the image into a first image associated with light reflected from the first chamber and a second image associated with light reflected from the second chamber.

17. The process of claim 16 wherein reading coded information in the image further comprises:

reading coded information in the first image; and

reading coded information in the second image.

18. The process of claim 17 wherein reading coded information in the image further comprises:

reading coded information in the first image with a first decoding technique; and

reading coded information in the second image with a second decoding technique.

19. The process of claim 18 wherein coded information in the first image comprises a bar code on an instant ticket and coded information in the second image comprises markings on a play slip.

20. The process of claim 12 further comprising:

eliminating a shadow area associated with the baffle from the image.