Electronic endoscope system
US6080104A · kind A · utility
126Cited by
18References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 13, 1996 |
| Grant date | Jun 27, 2000 |
| Priority date | — |
| Expiry date | May 13, 2016 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N23/555
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
In an electronic endoscope system for detecting an image of an object using a CCD, a brightness signal is generated based on the output of the CCD, and a histogram processing is applied to the brightness signal. An aperture size for regulating the amount of light emitted to an object to be viewed is controlled in accordance with the calculation based on the histogram data.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.