Red-eye phenomenon preventing device
US5285232A · kind A · utility
13Cited by
14References
61Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 22, 1992 |
| Grant date | Feb 8, 1994 |
| Priority date | — |
| Expiry date | Sep 22, 2012 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B2215/056
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A red-eye phenomenon preventing device includes a light emitting part for flash photography, a light emitting part for preventing the red-eye phenomenon, a reflection shade arranged to surround the light emitting part for flash photography and the light emitting part for preventing the red-eye phenomenon, and a protector disposed in front of the light emitting part for flash photography and the light emitting part for preventing the red-eye phenomenon.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.