G - Physics – 09 – B
Patent
G - Physics
09
B
35/16
G09B 11/00 (2006.01) G02B 27/01 (2006.01) G02B 27/00 (2006.01)
Patent
CA 1121590
ABSTRACT The invention provides head-coupled area-of-interest visual display apparatus particularly for ground-based craft- flight simulators. The apparatus provides binocular,three- dimensional vision of a display, projected onto a part- spherical retro-reflective screen, for one pilot, covering an area of interest centred upon the pilot's line of view. The image generator used may be of the computer generated image, laser-scanned model or closed-circuit television type. For the three-dimensional viewing, a modified image is provided for each eye and the two images are separately projected from points on a pilot's helmet horizontally in line but vertically displaced above the pilot's eye positions. Line scan apparatus is mounted in the pilot cockpit; line image transmission is by a pair of fibre optic light guide ribbons; and frame scan apparatus is mounted on the pilot's helmet. Sensing means detect head/helmet movements to permit voluntary scanning of a wide angle of simulated pilot view from the craft. P.2018
342473
Fetherstonhaugh & Co.
Redifon Simulation Limited
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