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Speed and direction indicator for ships

  • US 5,209,682 A
  • Filed: 01/31/1991
  • Issued: 05/11/1993
  • Est. Priority Date: 01/31/1991
  • Status: Expired due to Fees
First Claim
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1. A speed and direction indicator for a ship having first and second drive means, each for steering and propelling said ship, comprisingfirst steering response means operatively connected to said first drive means for producing signals indicative of the steering effect of said first drive means on said ship,second steering response means operatively connected to said second drive means for producing signals indicative of the steering effect of said second drive means on said ship,first propulsion response means operatively connected to said first drive means for producing signals indicative of the propelling effect of said first drive means on said ship,second propulsion response means operatively connected to said second drive means for producing signals indicative of the propelling effect of said second drive means on said ship,computer means operatively connected to said first and second steering response means and to said first and second propulsion response means for computing the resultant steering and propulsion effect of said first and second drive means on said ship, andoptical display means operatively connected to said computer means for providing a graphic display of the effect of said first and second drive means on the steering and propulsion of said ship.

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