Projection screen
US7248406B2 · kind B2 · utility
18Cited by
9References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 15, 2004 |
| Grant date | Jul 24, 2007 |
| Priority date | — |
| Expiry date | Jul 2, 2025 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B21/602
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A projection screen has first transparent particles tinted a first color and second transparent particles tinted a second color.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.