Moving map display providing various shaded regions per altitude

Details Moving map display providing various shaded regions per altitude Moving map display providing various shaded regions per altitude

1984-09-27

1987-11-10

Gruber, Felix D.

Boots, shoes, and leggings

340703, 364449, 342181, 342191, 342462, G09B 2912, G06G 778, G01C 1500

Patent

active

047061995

ABSTRACT:
The moving map display screen makes it possible to display the relief of the area overflown by an aircraft as a function of the altitude of the latter.
A moving-spot video reader analyses by radial scanning the relief of the area to be overflown and recorded on a film. In a processing circuit, the instantaneous altitude of the analyzed point is supplied in digital form to three comparators, where it is compared to three different values as a function of the aircraft altimeter. The result of this comparison makes it possible to classify this altitude in a range relative to the instantaneous altitude of the aircraft. A transcoder allocates to each range a particular digital value corresponding to a given shade. A display means reproduces the relief of the analyzed area with the aid of several conventional shades.

REFERENCES:
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Gray et al., "Real-Time Color Doppler Radar Display", Bull. Am. Meteoroligical Society, vol. 56, No. 6, Jun. 1975, pp. 580-588.

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