USH1878HExpiredUtility

Electronic chart assisted navigation system

Assignee: US NAVYPriority: Dec 11, 1997Filed: Dec 11, 1997Granted: Oct 3, 2000
Est. expiryDec 11, 2017(expired)· nominal 20-yr term from priority
G01C 21/22
24
PatentIndex Score
4
Cited by
0
References
1
Claims

Abstract

The automated charting system of the present invention comprises a computer program for inputting current position from the Global Positioning Syst accessing the Digital Nautical Chart database (DNC), selecting the best available nautical chart data for the current position, and displaying the current position on the selected nautical chart.

Claims

exact text as granted — not AI-modified
We claim: 
     
       1. An automated charting system comprising: a Global Positioning System receiver;   a navigation input;   an operator input;   a display;   a man-machine interface coupled to the Global Positioning System receiver, the navigation input, the operator input, and the display;   a DNC database server coupled to the man-machine interface;   and a DNC database.

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