Dismiss
InnovationQ will be updated on Sunday, Oct. 22, from 10am ET - noon. You may experience brief service interruptions during that time.
Browse Prior Art Database

Document Identification

IP.com Disclosure Number: IPCOM000048355D
Original Publication Date: 1982-Jan-01
Included in the Prior Art Database: 2005-Feb-08
Document File: 2 page(s) / 26K

Publishing Venue

IBM

Related People

Leotard, R: AUTHOR

Abstract

In a machine for sorting documents a very simple method is provided for identifying these documents provided they have given fixed widths different from each other.

This text was extracted from a PDF file.
At least one non-text object (such as an image or picture) has been suppressed.
This is the abbreviated version, containing approximately 100% of the total text.

Page 1 of 2

Document Identification

In a machine for sorting documents a very simple method is provided for identifying these documents provided they have given fixed widths different from each other.

Let's assume three different types of rectangular documents are provided: a check having a width 1, a stub having a width L, and a stub with an m over n removed portion (see figure). These documents are first stacked and then automatically picked one at a time and transported over a fixed path to be processed differently depending upon their specific identity.

An arrangement of four sensors, e.g., photoelectric cells C1, C2, C3 and C4, located as shown in the figure, is provided along the document transport path. Their respective positions are based on the relative dimensions of the documents, with the following assumptions: 1<E;L>E;m>e;n>i;L>1

Additional logic is also provided which detects any cell coverage by a document through the logic, wherein C=1 is used to indicate that a given cell C is being hidden.

As soon as a document leading edge reaches and hides C4, then C1 and C2 are under consideration. If C1.C2=1, then the document is a stub. If C1+C2=1, then the document is a check.

If a stub has just been identified, then as soon as C3=1, C1 is considered. If C1=1, the stub is complete; if C1=0 then the stub m times n portion has been removed.

1

Page 2 of 2

2

[This page contains 2 pictures or other non-text objects]