Head-movable frame-scanner for head-coupled display

Details Head-movable frame-scanner for head-coupled display Head-movable frame-scanner for head-coupled display

1980-01-11

1982-09-14

Groody, James J.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

340755, 340795, 340 27R, 34081531, 358 89, 358250, 434 44, G09G 302

Patent

active

043498159

ABSTRACT:
The invention provides line scanning and frame scanning apparatus for the projection of images, particularly for head-coupled area-of-interest visual display apparatus for ground-based flight simulators. The line scan apparatus is cockpit-mounted and comprises a modulated laser beam which is scanned over a line of fibre optic guides forming a ribbon by which the line image is transmitted to a helmet-mounted frame scanner. A sensor measures head/helmet movement to permit voluntary scanning of a wide angle of simulated view from the craft. The invention permits of lightweight helmet-mounted equipment for this purpose.

REFERENCES:
patent: 3614314 (1971-10-01), Rossire
patent: 3970359 (1976-07-01), Starkweather
patent: 3995110 (1976-11-01), Starkweather
"Helmet Mounted Sights and Display Systems", Shepherd, May 1975.
IBM Technical Disclosure Bulletin, Fisher et al., "Vibrating Display Unit", vol. 22, No. 1, Jun. 1979, pp. 6-8.

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