Back projection transparency viewer with overlapping pixels
US5963276A · kind A · utility
15Cited by
44References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 9, 1997 |
| Grant date | Oct 5, 1999 |
| Priority date | — |
| Expiry date | Jan 9, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S345/903
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A method of transparency viewing, including, placing the transparency at a viewing surface, forming a light pattern and projecting the light pattern to back-illuminate the transparency. Preferably, the light pattern is formed by spatially modulating a beam of light using a plurality of light-valves.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.