Re-focusing mechanism for imaging system
US7248405B2 · kind B2 · utility
1Cited by
6References
28Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 5, 2005 |
| Grant date | Jul 24, 2007 |
| Priority date | — |
| Expiry date | Jun 8, 2025 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B7/04
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Two reflective surfaces disposed in a predetermined angular orientation inside the optical tube assembly of a telescope intercept the optical beam and deliver it from the objective to the eye-piece. By translating these surfaces simultaneously along the axis bisecting the angle between them, the separation between the focal points of the objective and the eye-piece is adjusted as required to re-focus the telescope in a continuous and reversible fashion without changing its overall dimensions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.