Helmet mounted display configured for simulator use
US4968123A · kind A · utility
34Cited by
16References
35Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 24, 1989 |
| Grant date | Nov 6, 1990 |
| Priority date | — |
| Expiry date | Apr 24, 2009 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B2027/0187
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Helmut mounted display apparatus configured for simulator use includes a pair of visual image sources and a pair of optics arrangements, including relay optic and eyepiece portions thereof, that optically present the image source images into the wearer's forward visual field, a first eyepiece type optimized for daytime luminance conditions, a second type optimized for nighttime luminance conditions, a single eyepiece being releasably engageable to and rotatable about the corresponding relay optic portion, wheeby said eyepiece rotation allows a varying binocular field of view to be displayed to the wearer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.