G - Physics – 02 – B
Patent
G - Physics
02
B
35/16
G02B 27/00 (2006.01) G02B 26/12 (2006.01) G02B 27/01 (2006.01) G09B 9/30 (2006.01)
Patent
CA 1121589
ABSTRACT The invention provides head-coupled area-of-interest visual display apparatus particularly for ground-based craft- flight simulators. The apparatus provides binocular, pseudo-collimated vision of a display, projected onto a part-spherical retro-reflective screen, for two pilots, covering an area of interest centred upon each pilot's line of view. A separate image generator is used for each pilot and may both be of the computer generated image, laser- scanned model or closed-circuit television type. for the pseudo-collimated viewing, the same image is projected for left and right eyes for each pilot from points on a respective pilot helmet, horizontally in line but vertically displaced above the pilot's eye position. Line scan apparatus is mounted in the pilots' cockpit; line image transmission is by fibre optic light guide ribbons; and frame scan apparatus is mounted on the two pilots' helmets. Sensing means detect head/helmet movements of each pilot to permit voluntary individual scanning of a wide angle of simulated view from the craft.
342472
Fetherstonhaugh & Co.
Redifon Simulation Limited
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