Television camera for endoscopes
US4930861A · kind A · utility
20Cited by
3References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 10, 1988 |
| Grant date | Jun 5, 1990 |
| Priority date | — |
| Expiry date | Nov 10, 2008 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N23/555
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A TV camera for endoscopes comprising an image guide fiber bundle, an imaging optical system and an image sensor, used for focusing an image formed on the end surface of the image guide fiber bundle onto the imaging surface of the image sensor by the imaging optical system, and so adapted as to adjust diameter of the circle of confusion on the optimum image plane of the imaging optical system or the position of an image formed by the imaging optical system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.