Endoscope
US9876974B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 7, 2016 |
| Grant date | Jan 23, 2018 |
| Priority date | — |
| Expiry date | Dec 7, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N23/555
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An endoscope is an endoscope connectable to a processor provided with a high frequency component enhancement circuit configured to perform, for an image pickup signal having an attenuated high frequency component, enhancement correction of the high frequency component, the endoscope including: a CMOS image sensor provided with an image pickup portion configured to pick up an optical image of a subject and generate an analog image pickup signal and an A/D converting portion configured to convert the analog image pickup signal to a digital image pickup signal and output the digital image pickup signal; a cable for transmitting the digital image pickup signal; and a filter having frequency characteristics equalizing frequency characteristics of the high frequency component enhancement circuit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.