Apparatus and method of forming and projecting high precision optical images
US5085506A · kind A · utility
13Cited by
5References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 6, 1990 |
| Grant date | Feb 4, 1992 |
| Priority date | — |
| Expiry date | Nov 6, 2010 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B21/005
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An image projection apparatus in which an image object plane contains a plurality of reflecting images and a light source and optical system projects a beam on each of said plurality of images. Spaced projection lenses are positioned to receive the light reflected from the images and direct the light on a projection surface with the plurality of reflected images in coregistration.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.