Multiple format holographic CHMSLS
US5495227A · kind A · utility
6Cited by
2References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 23, 1995 |
| Grant date | Feb 27, 1996 |
| Priority date | — |
| Expiry date | Feb 23, 2015 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03H2227/06
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A hologram structure for use in a holographic center high mounted stoplight system for a vehicle. The hologram structure includes first and second hologram layers laminarly secured to each other, each having a plurality of holographic lenses formed therein, each holographic lens being configured to diffract light into a predetermined solid angular region.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.