Reverse light blocking hologram for a center high mounted stoplight
US4966426A · kind A · utility
13Cited by
6References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 29, 1989 |
| Grant date | Oct 30, 1990 |
| Priority date | — |
| Expiry date | Sep 29, 2009 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03H1/2202
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A rear window mounted stoplight assembly for a vehicle including stoplight illuminating apparatus for producing stoplight illumination, and a scatter blocking hologram adjacent the stoplight illuminating apparatus for preventing scattered stoplight illumination from being viewable by the vehicle operator. In a particular embodiment, the stoplight illumination apparatus includes an image volume hologram and a source of playback illumination.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.