Digital fundus camera
US10918276B2 · kind B2 · utility
0Cited by
7References
17Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 8, 2019 |
| Grant date | Feb 16, 2021 |
| Priority date | — |
| Expiry date | Mar 8, 2039 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B3/14
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Digital fundus cameras including an objective lens and a digital imager for capturing digital retinal images. The digital fundus cameras include an annular LED illumination arrangement having an annular LED illuminator with a ring of spaced apart individual masked LEDs, an annular folded illumination optical train and a multiple stage stray illumination trap arrangement for capturing stray illumination. The annular LED illumination arrangement can optically include a glare spot masking arrangement.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.