Collimated projection system with wide horizontal field, with device to increase the vertical field
US5137348A · kind A · utility
12Cited by
9References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 16, 1991 |
| Grant date | Aug 11, 1992 |
| Priority date | — |
| Expiry date | Apr 16, 2011 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09B9/32
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
In a simulator for helicopters, the images seen are displayed through the bottom windows by means of a system collimated to infinity, including, for each side of the cockpit, a projector (15, 16), a spherical mirror (12, 13) and a screen (17, 18).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.