Eye fundus camera
US4149787A · kind A · utility
25Cited by
8References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 3, 1976 |
| Grant date | Apr 17, 1979 |
| Priority date | — |
| Expiry date | Dec 3, 1996 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2562/0233
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
In an eye fundus camera an optical system illuminates the eye fundus and a sensor detects the intensity of reflection from the eye. When the intensity of reflection is sufficient to indicate that the person being examined has blinked his eye, the photographic system is disabled.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.