Education and demonstration – Vehicle operator instruction or testing – Flight vehicle
Patent
1979-03-05
1981-08-11
Grieb, William H.
Education and demonstration
Vehicle operator instruction or testing
Flight vehicle
350333, G09B 908
Patent
active
042831776
ABSTRACT:
An apparatus and method for simulating the loss of vision in a subject, which occurs for example under sustained high "G" loading, using an optical element 12 such as a visor with variable optical characteristics ranging from opaque to transparent. An oculometer 18 monitors at least one of the subject's eyes and provides a signal representative of its line of sight. This signal is fed to a computer 56 which calculates a pattern of opacity, light scattering transmissivity and transparency and controls the screen accordingly to produce such a pattern simulative of the visual effects which occur during loss of vision.
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patent: 4050814 (1977-09-01), McFadden
patent: 4102564 (1978-07-01), Michael
patent: 4106217 (1978-08-01), Witt
patent: 4109145 (1978-08-01), Graf
"Optical Journal & Review of Optometry" vol. 102, No. 9, p. 31, May 1, 1965.
Hale Timothy E.
Kron Gerald J.
Grieb William H.
Kaufman Stephen C.
Moore J. Dennis
Rothenberg Jeff
The Singer Company
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