Heads-up display
US5210624A · kind A · utility
114Cited by
9References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 3, 1991 |
| Grant date | May 11, 1993 |
| Priority date | — |
| Expiry date | Oct 3, 2011 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B2027/0194
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A heads-up display including a holographic optical element which reflects only at least one specific wavelength and allows a background light of other wavelengths to pass therethrough, an information source which emits information light having the specific wavelength, and a device for removing a wavelength of light corresponding to a complementary color of the specific wavelength.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.