Variable color label for object identification system
US3935432A · kind A · utility
7Cited by
4References
18Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 10, 1975 |
| Grant date | Jan 27, 1976 |
| Priority date | — |
| Expiry date | Jan 10, 1995 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06K2019/06225
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
An improved label is provided for use in a system for the identification of objects wherein the label is affixed to an object to be identified. The label comprises an array of modules of colored elements arranged in a code to define data unique to the object and means on the label for altering the color of at least a portion of one of the modules in response to a condition to which the object is subjected.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.