Communications: directive radio wave systems and devices (e.g. – Radar for meteorological use
Patent
1992-06-02
1993-04-13
Hellner, Mark
Communications: directive radio wave systems and devices (e.g.,
Radar for meteorological use
342180, G01S 1300
Patent
active
052026906
ABSTRACT:
A Weather radar and map display system for use in aircraft includes a transmitter for transmitting radar signals outwardly from the aircraft, a receiver for receiving back reflected radar signals, a digitizer for digitizing the reflected radar signals, a processor for calculating the latitude and longitude coordinates of the locations in space from which the reflected radar signals were reflected based on detected range information of the reflected radar signals and detected heading, position and track information of the aircraft, and a storage device for storing the digitized signals and the latitude and longitude coordinates calculated for respective reflected radar signals. Also included is a second storage device for storing predetermined map and navigation data, reference to latitude and longitude, of the ground over which the aircraft will travel, and a display device responsive to the first and second storage devices for simultaneously displaying a plan view image over a selected horizontal range of weather, represented by digitized reflected radar signals, relative to the calculated latitude and longitude coordinates, and of the map and navigational data relative to the latitude and longitude of that data. The weather display and map and navigational data display are superimposed over one another to enable quick and efficient location of weather conditions and map and navigational aids such as airports, navigational stations, and other aircraft guiding structure.
REFERENCES:
patent: 3044058 (1962-07-01), Harris
patent: 3154636 (1964-10-01), Schwertz
patent: 4940987 (1990-07-01), Frederick
patent: 5049886 (1991-09-01), Seitz et al.
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