Reflective head-up display
US4729634A · kind A · utility
22Cited by
3References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 4, 1985 |
| Grant date | Mar 8, 1988 |
| Priority date | — |
| Expiry date | Feb 4, 2005 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B2027/0194
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A compact reflective head-up display incorporating first and second cooperative and converging mirror elements (34,18) one of which has a rear surface reflector (18), and the other of which (34) is partially transmissive and includes a central reflective portion (33), said first converging mirror (34) combining a remote image viewed by a pilot with a display image provided to said first converging mirror (34) by said second converging mirror (18).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.