Telegraphy – Systems – Printing
Patent
1974-12-24
1977-04-12
Pinkham, Richard C.
Telegraphy
Systems
Printing
178DIG35, G09B 908
Patent
active
040166589
ABSTRACT:
A ground-based flight simulator having a television type terrain visual display with simulated weather conditions. The visibility of the terrain image is varied over the picture area to simulate ground fog and cloud conditions, either one alone or both together. Either weather condition provides a zone of transitional visibility, i.e., spatially changing visibility between spaced zones of uniform visibility, e.g., between one of uniformly clear visibility and another zone of uniformly zero visibility. The transitional zones may be varied in width according to aircraft pitch and the entire weather pattern rotated, together with simulated terrain, according to aircraft roll.
REFERENCES:
patent: 3327407 (1967-06-01), Barnes
patent: 3401228 (1968-09-01), Barnes
patent: 3422207 (1969-01-01), Flower et al.
patent: 3515802 (1970-06-01), Wise
patent: 3520994 (1970-07-01), McAffee et al.
patent: 3524019 (1970-08-01), Coen
patent: 3603962 (1971-09-01), Lechner
patent: 3605083 (1971-09-01), Kramer
patent: 3826864 (1974-07-01), Paufve
Gasson Roy Alfred George
Morris James William
Porter Arthur Paul
Hum Vance Y.
Pinkham Richard C.
Redifon Limited
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