Navigational aid

Details Navigational aid Navigational aid

G - Physics

09

G

354/3, 375/7

G09G 3/00 (2006.01) G01C 21/20 (2006.01) G09B 29/10 (2006.01)

Patent

CA 2012154

ABSTRACT A navigational aid comprises a nousing with a flat, transparent liquid crystal display. The display is flat and flush with the bottom of the housing, to allow the aid to be placed flat on a map or chart. The aid is microprocessor controlled and accepts plug in memory modules, which contain information relating to an area through which a craft, for example, an aircraft, is to be navigated. The display generates cursors which can be superimposed on the map. The aid can display graphically the progress of the craft, superimposed on the map, on the basis of input data supplied by the user. Alternatively, the cursors can be moved to measure the distance between points on the map.

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