Projector
US5302983A · kind A · utility
42Cited by
13References
10Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Dec 10, 1992 |
| Grant date | Apr 12, 1994 |
| Priority date | — |
| Expiry date | Dec 10, 2012 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B21/132
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A projecting apparatus having a first projecting system for projecting an object to be projected to form an intermediate image, and a second projecting system for projecting the intermediate image formed by the first projecting system onto a screen. The first projecting system is adapted to distort the image of the object, and the second projecting system is adapted to correct the distorted image to project an enlarged image analogous to the object onto the screen.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.