Inventors:
Joseph T. Fournier - Glastonbury CT
Stephen J. Smith - Simsbury CT
Harry R. McKinley - Southampton MA
Assignee:
United Technologies Corporation - Hartford CT
International Classification:
G02B 2300, G02B 2714
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.