Apparatus and method of forming and projecting high precision optical images
US4969734A · kind A · utility
3Cited by
3References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 21, 1988 |
| Grant date | Nov 13, 1990 |
| Priority date | — |
| Expiry date | Nov 21, 2008 |
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 image 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.