Image transmission system for endoscopes and method of producing a rod lens
US7002741B2 · kind B2 · utility
7Cited by
16References
26Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 10, 2001 |
| Grant date | Feb 21, 2006 |
| Priority date | — |
| Expiry date | Feb 24, 2023 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B13/0095
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The invention relates to an image transmission system for endoscopes and similar viewing tubes with at least one rod lens and at least one additional lens system. In order to produce an image transmission system of simple and economical construction, it is proposed in accordance with the invention that the minimum of one rod lens should be constructed as a plano-convex lens whose length corresponds to the curvature radius of its convex terminal surface. In addition, the invention relates to a process for producing a rod lens for an image transmission system as well as an endoscope equipped with such an image transmission system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.