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Marine personnel monitoring, overboard detection, alert and rescue system

DC
  • US 6,057,759 A
  • Filed: 02/16/1999
  • Issued: 05/02/2000
  • Est. Priority Date: 10/22/1996
  • Status: Expired due to Term
First Claim
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1. A system for detecting and locating overboard personnel of a vessel, comprising:

  • a plurality of transmitter units to be worn by monitored personnel, each unit including a signal circuit for transmitting a unique identifier signal to said transmitter unit, each transmitter unit further including a deactivator switch for terminating transmission of said unique identifier signal upon entry of said transmitter into water;

    an onboard receiver for receiving and monitoring said unique identifier signal, and for establishing an initial identifier configuration indicative of said transmitter unit identifier signals received by said onboard receiver based upon said monitoring, said receiver configured for detection of any change in said initial identifier configuration, resulting from deactivation of one of said plurality of transmitter units;

    an alert device operatively connected to said receiver to alert the crew of said vessel to any detected change; and

    said transmitter unit further comprising a selector switch for choosing an alarm status of said transmitter selected from the group consisting of onboard, overboard and combined verification and detection, wherein said selection generating separate automated signals to said receiver for alarm generation.

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