A rescue system 10 for rescuing a mariner at sea is described. The system 10 comprises a distress beacon 11 for the mariner, the distress beacon comprising a transmitter 111 arranged to transmit a first acoustic signal at a first frequency in water. The system 10 comprises a receiver 12 arranged to receive the transmitted first acoustic signal. The system 10 comprises a controller 13 arranged to cause an autonomous watercraft 14 for rescuing the mariner to be launched, in response to the received first acoustic signal.
TRANSMITTER AND RECEIVER
SENDER UND EMPFÄNGER
ÉMETTEUR ET RÉCEPTEUR
2019-08-21
Patent
Elektronische Ressource
Englisch