Endoscope with first and second voltage comparing portions
US8896680B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 5, 2013 |
| Grant date | Nov 25, 2014 |
| Priority date | — |
| Expiry date | Apr 5, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N23/555
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An endoscope includes: an image pickup device mounted in a distal end portion of an insertion portion; wiring that transmits a power supply having a plurality of different power supply voltages for driving the image pickup device, a drive signal that drives the image pickup device, an image pickup signal that is outputted from the image pickup device, and a ground level; a substrate on which a connector that relays the wiring is provided; a first voltage comparing portion that compares the plurality of different power supply voltages; a power supply generation portion that generates a plurality of second power supply voltages; a second voltage comparing portion that compares the plurality of second power supply voltages; and a power supply control portion that controls a supply of power to the image pickup device based on comparison results of the first and second voltage comparing portions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.