Navigational system for determining and displaying the position

Details Navigational system for determining and displaying the position Navigational system for determining and displaying the position

Filed on

1994-09-02

Date issued

1995-05-30

Examiner

Teska, Kevin J.

Patent Class

Boots, shoes, and leggings

Other Related Categories

364444, 364449, 340995, 353 12, G01C 2100, G01C 2120

Type

Patent

Status

active

Patent number

054207959

Description

ABSTRACT:
A navigational system for determining and displaying the position of a vessel on a navigational chart includes an optical projection system for establishing first and second reference points on the chart. The system also includes a computer and a keyboard or the like for entering the longitudinal and latitudinal coordinates of the first and second reference points in the computer. A GPS or Loran receiver is also tied into the computer so that the present position of the vessel can be projected onto the chart.

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patent: 5089816 (1992-02-01), Holmes, Jr.
patent: 5115399 (1992-05-01), Nimura et al.
patent: 5202829 (1993-04-01), Geier
patent: 5214757 (1993-05-01), Mauney et al.

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