Visual navigation aid with point of interest feature

Details Visual navigation aid with point of interest feature Visual navigation aid with point of interest feature

1992-01-02

1993-01-12

Tubbesing, T. H.

Communications: directive radio wave systems and devices (e.g.,

With particular circuit

Display

342183, 342184, G01S 722

Patent

active

051793857

ABSTRACT:
A navigation aid is provided comprising a radar antenna, a position sensor, a compass, map/chart data, a display, and a controller. The controller determines whether the display depicts a chart, a radar sweep or both. Preferably, the visual navigation aid includes a point of interest feature, wherein at least one point of interest is visually selected on the chart or radar sweep by a cursor or the like. The controller also computes the location of the selected point of interest for display on the chart or radar sweep. In another aspect, the invention comprises methods for inputting and displaying a point of interest on a chart or radar sweep.

REFERENCES:
patent: 4081802 (1978-03-01), Elmore et al.
Navionics spa-Geonav HTC, 4 pages.
Boat Electronics '91, "VIDEO CHARTS-Watch your voyage spring to life on an electronic display", pp. 54,56,95.
Navstar Electronics, Inc., NAVSTAR 2000 P-Chart Plotters (4 pages).
Boat Electronics '91, "Radars" pp. 26,28,30,84,85.
Robertson RobChart 100 (Robertson-Shipmate, Inc., Hauppauge, NY 1178 (4 pages).

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