Methods for identifying articles of manufacture
US8257784B2 · kind B2 · utility
14Cited by
52References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 10, 2010 |
| Grant date | Sep 4, 2012 |
| Priority date | — |
| Expiry date | Aug 20, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09F3/00
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
In one embodiment, a method for identifying an article of manufacture may include: producing a plurality of multilayer photonic structures, wherein each of the plurality of multilayer photonic structures has a unique intensity profile; incorporating one of the plurality of multilayer photonic structures that produces the unique intensity profile into a coating; and generating an electronic code corresponding to the unique intensity profile of one of the plurality of multilayer photonic structures.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.