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Collision avoidance method and system

  • US 7,075,458 B2
  • Filed: 01/27/2004
  • Issued: 07/11/2006
  • Est. Priority Date: 01/27/2004
  • Status: Expired due to Fees
First Claim
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1. A method for avoiding collisions of a ship having a rudder and a rudder control, comprising:

  • monitoring a rudder control of a ship, the rudder control normally being regularly adjusted by an operator, a time period beginning with an adjustment of the rudder control and ending with a subsequent adjustment, if any, to the rudder control defining an inactivity time period; and

    activating a first alarm if an inactivity time period is greater than a predetermined first time period, the predetermined first lime period being sufficiently short such that an appropriate party is alerted to take action to prevent a collision of the ship once the rudder has not been adjusted for the predetermined period.

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