Method and apparatus for optical system adjustments
US4693569A · kind A · utility
16Cited by
2References
13Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 5, 1981 |
| Grant date | Sep 15, 1987 |
| Priority date | — |
| Expiry date | Oct 5, 2001 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S359/90
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Described is a method and apparatus for adjustment of an image-forming optical system to correct for manufacturing and assembly defects by providing a pair of refractive elements symmetrically disposed about the image plane or conjugate image plane of the system and mounted for translation and/or rotation about one or more of three orthogonal axes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.