Intermediate film identifier marking
US8068207B2 · kind B2 · utility
0Cited by
11References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 26, 2006 |
| Grant date | Nov 29, 2011 |
| Priority date | — |
| Expiry date | Aug 2, 2027 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B2206/004
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A method includes impacting at least one identifier on a section of passing film for identifying the film as a source for content copied from the film.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.