Endoscope optics
US6511421B2 · kind B2 · utility
1Cited by
4References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 24, 2001 |
| Grant date | Jan 28, 2003 |
| Priority date | — |
| Expiry date | Apr 24, 2021 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B23/2446
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An endoscope optics is fitted with a rigid stem and an objective lens is received in a distal end of the stem. The stem also receives an image transmission device for transmitting images away from the objective lens toward a proximal end of the stem. The image transmission device consists of a plurality of spaced apart optical lenses. At least one ofthe plurality of spaced apart lenses is made of sapphire.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.