Telegraphy – Systems – Printing
Patent
1974-09-13
1976-05-18
Apley, Richard J.
Telegraphy
Systems
Printing
178 789, 178DIG35, G09B 908
Patent
active
039568334
ABSTRACT:
An aircraft simulator for affording practice in landing maneuvers and the like. A cathode ray tube (CRT) produces an image corresponding to the runway which image changes in response to the trainee's manipulation of controls. The CRT image is projected along an optical path to a screen that is visually accessible to the trainee. Interposed in the optical path are optical elements such as mirrors which are spaced from one another along the optical path so as to create virtual images on the screen that appear to be at different distances from the trainee. The optical elements are sequentially interposed in the path and circuits are provided for synchronizing the production of the CRT image with one of the optical elements so that the image on the screen appears to the trainee to have a range corresponding to the environment being simulated by the CRT image.
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patent: 3448208 (1969-06-01), Chisnell et al.
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patent: 3711826 (1972-01-01), Russa
Walker, B.; "On Stereoscopic Viewers"; Optical Spectra; Dec. 1970; p. 34.
Apley Richard J.
Brekke Darrell G.
Hum Vance Y.
Manning John R.
Morin, Sr. Armand G.
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