Landing light pattern generator for simulator with selective add

Details Landing light pattern generator for simulator with selective add Landing light pattern generator for simulator with selective add

1980-11-07

1983-09-13

Curtis, Marshall M.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

340 27NA, 340723, 273DIG28, 358104, G09G 100

Patent

active

044045530

ABSTRACT:
The disclosure is of a system for steering a landing light pattern by storing data to increase the illumination intensity for each picture element by a selected amount along a scanline in a memory circuit (11) and, then, addressing the memory circuit to begin its readout at predetermined starting points. A skewing or warping of the light pattern is obtained by applying a displacement factor to the beginning point for each successive scanline, so that each scanline is read out beginning at a progressively different point to cause the shape of the landing light pattern to be varied in a predetermined manner.

REFERENCES:
patent: 3081557 (1963-03-01), Mailhot
patent: 3380028 (1968-04-01), Gustafson et al.
patent: 3623240 (1971-11-01), Wood
patent: 3784969 (1974-01-01), Wilckens
patent: 4210930 (1981-07-01), Henry
patent: 4263726 (1981-04-01), Bolton
patent: 4297691 (1981-10-01), Kodama et al.

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