Field of view test apparatus

Education and demonstration – Vehicle operator instruction or testing – Flight vehicle

Patent

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Details

352 85, 352132, F41J 900

Patent

active

044214863

ABSTRACT:
A field of view test apparatus utilizes a plurality of interchangeable acic masks to vary the resolution characteristics of a projected field of view. An eye or head tracker provides line of sight direction signals to a servo which positions the mask with the optical path of the projection to correlate the area of higher resolution with the direction of the line of sight.

REFERENCES:
patent: 3888022 (1975-06-01), Pardes et al.
patent: 3998532 (1976-12-01), Dykes
patent: 4048653 (1977-09-01), Spooner
patent: 4303394 (1981-12-01), Berke et al.
patent: 4348185 (1982-09-01), Breglia et al.
patent: 4348186 (1982-09-01), Harvey et al.
patent: 4350489 (1982-09-01), Gdovin

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