Visual display apparatus

Details Visual display apparatus Visual display apparatus

G - Physics

09

G

35/13, 354/4, 37

G09G 3/02 (2006.01) G02B 27/01 (2006.01) G02B 27/00 (2006.01)

Patent

CA 1147073

Improvements in or relating to Visual Display Apparatus Abstract The invention provides head-coupled area-of-interest visual display apparatus particularly for ground-based craft-flight simulators. The apparatus provides binocular vision of a display projected onto a part-spherical retro- reflective screen covering an area of interest determined by craft position and heading and viewer's instantaneous line of view. Line scan apparatus is cockpit mounted, line image transmission is by fibre optic light guide ribbon and frame scan apparatus is helmet-mounted. Sensing means detect head/helmet movements to permit voluntary individual scanning of a wide angle of simulated view from the craft. The projected image comprises two zones, a larger area zone of lower definition and a smaller area zone of higher definition. Separate line-scanning apparatus and fibre optic light guides may be used for each zone.

344313

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