Holographic projection screen
US4500163A · kind A · utility
44Cited by
10References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 29, 1981 |
| Grant date | Feb 19, 1985 |
| Priority date | — |
| Expiry date | Jul 29, 2001 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09B9/326
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A projection screen is formed as at least one reflective holograms each of which, when referenced with a projector, reconstructs a defined observation pupil.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.