Education and demonstration – Vehicle operator instruction or testing – Flight vehicle
Patent
1980-11-04
1982-09-07
Grieb, William H.
Education and demonstration
Vehicle operator instruction or testing
Flight vehicle
340729, 364522, 434 43, G09B 908
Patent
active
043481841
ABSTRACT:
A system is described for use in a simulator apparatus, particularly a simulator of an aircraft, whereby aircraft landing lights can be simulated effectively in a night scene. This is accomplished by increasing the illumination intensity of a part of each line across the screen, in accordance with a pattern generated for this purpose. The illumination intensity is increased in a manner unrelated to the objects in the scene; but rather, the scene that would be visible is made brighter where the landing lights would illuminate it.
In accordance with the disclosure, a counter circuit 48 initiates a bell shaped pattern and also a counter circuit 49 initiates an envelope pattern. The bell shaped pattern is the primary pattern for use in increasing the intensity of the illumination across each scanline, but the particular shape of the bell shaped pattern is modified, as required, by the envelope curve. The envelope pattern is combined with the bell pattern in circuit 59. The composite pattern is used in circuit 42 to combine with information concerning the position of the aircraft from circuit 39, and the lamp intensity on line 37, to increase the intensity along each scanline of the display.
REFERENCES:
patent: 3373506 (1968-03-01), Davidoff
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patent: 3621214 (1971-11-01), Romney
patent: 3665408 (1972-05-01), Erdahl et al.
patent: 3697734 (1972-10-01), Booth et al.
patent: 4177579 (1979-12-01), Peters et al.
patent: 4179824 (1979-12-01), Marsh
patent: 4213252 (1980-07-01), Sullivan et al.
Clarkson Douglas M.
Grieb William H.
Rothenberg Jeff
The Singer Company
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