Creating mechanical stamps to produce machine-readable optical labels

Patent metadata

Field	Value
Publication number	US-9754134-B2
Application number	US-201615333474-A
Country	US
Kind code	B2
Filing date	Oct 25, 2016
Priority date	Dec 17, 2014
Publication date	Sep 5, 2017
Grant date	Sep 5, 2017

Abstract

A tool for creating mechanical stamps that produce machine-readable optical labels. The tool selects an initial element of a list of two-dimensional labels. The tool selects a pixel difference to apply to a two-dimensional label for the initial element. The tool selects a cardinality for bits in one or more bytes to encode. The tool determines whether a cardinality of a bit difference for each element compared to the initial element equals the selected bit difference cardinality. The tool determines whether a pixel difference between a two-dimensional label for each element and the two-dimensional label for the initial element equals the selected pixel difference. The tool selects one or more elements from the list of two-dimensional labels to create one or more mechanical stamps.

First claim

What is claimed is:

1. A computer program product for creating mechanical stamps that produce machine-readable optical labels, the computer program product comprising:
one or more computer readable storage media and program instructions stored on the one or more computer readable storage media, the program instructions comprising:
program instructions to select, by one or more computer processors, an initial element of a list of two-dimensional labels;
program instructions to select, by one or more computer processors, a pixel difference to apply to a two-dimensional label for the initial element;
program instructions to select, by one or more computer processors, a cardinality for bits in one or more bytes to encode;
program instructions to determine, by one or more computer processors, whether a cardinality of a bit difference for each element compared to the initial element equals the selected bit difference cardinality;
program instructions to determine, by one or more computer processors, whether a pixel difference between a two-dimensional label for each element and the two-dimensional label for the initial element equals the selected pixel difference; and
program instructions to select, by one or more computer processors, one or more elements from the list of two-dimensional labels to create one or more mechanical stamps.

2. The computer program product of claim 1 , wherein program instructions to select a cardinality for bits in one or more bytes to encode, further comprises:
program instructions to select, by one or more computer processors, a bit difference between the initial element and a second element in the list of two-dimensional labels, wherein selecting the bit difference includes defining a number of different bits to apply to the two-dimensional label for the initial element in a plurality of two-dimensional labels for variant elements.

3. The computer program product of claim 1 , the computer program product further comprising:
responsive to a determination that cardinality of the number of bits for each element equals the selected number of bits to encode, program instructions to compute, by one or more computer processors, a two dimensional label for each element that equals the selected number of bits to encode.

4. The computer program product of claim 1 , the computer program product further comprising:
responsive to a determination that the pixel difference between the two-dimensional label for each element and the two-dimensional label for the initial element equals the selected pixel difference, program instructions to add, by one or more computer processors, the two-dimensional label for each element that equals the selected pixel difference to the list of two-dimensional labels.

5. The computer program product of claim 1 , wherein program instructions to select a pixel difference to apply to a two-dimensional label for the initial element, further comprises:
program instructions to compute, by one or more computer processors, a two-dimensional label for the initial element with a corresponding error correction code.

6. The computer program product of claim 1 , wherein program instructions to select one or more elements from the list of two-dimensional labels to create one or more mechanical stamps, further comprises:
program instructions to select, by one or more computer processors, one or more elements from the list to generate a fixed part model, such that each bit difference across the selected number of elements corresponds to a specific feature on a wheel actuating a pin that can be used for creating the one or more mechanical stamps.

Assignees

• IBM

Inventors

• Fiammante Marc

Classifications

• G06K19/06159

  the marking being relief type, e.g. three-dimensional bar codes engraved in a support · CPC title

• B21D22/02

  Stamping using rigid devices or tools · CPC title

• G06K19/06037

  multi-dimensional coding · CPC title

• G06K19/06075

  the marking containing means for error correction · CPC title

• G06K1/121 Primary

  by printing code marks (applying code marks to labels B65C9/46; marking or coding completed packages B65B61/26) · CPC title