Patent ID: 9258795
Filing Date: 2016-02-09
CPC Classification: G08G,H04B,H04W

Claim Text:
1. An Automatic Identification System (AIS) ship's transceiver that is provided for installation on a ship in order to be able to send and receive AIS radio signals containing ship data, comprising: an AIS radio transmission unit that is designed to send AIS radio signals of a first AIS radio signal type that contain ship data, wherein the AIS radio signals of the first AIS radio signal type are provided for the interchange of ship data from the ships among one another, and that is designed to send transmit AIS radio signals of a second AIS radio signal type that contain ship data, wherein the AIS radio signals of the second AIS radio signal type are provided for reception by a satellite and for transmission of the ship data that the AIS radio signals of the second AIS radio signal type contain to a ground station by means of the satellite, an AIS radio reception unit that is designed to receive AIS radio signals of the first AIS radio signal type that have been emitted by AIS ship's transceivers on adjacent ships, a control unit that is set up a database that stores the positions of coastlines, wherein the control unit is connected to access the database and is set up to ascertain the distance of the ship from the coast using the current position of the ship and the positions of the coastline that are stored in the database, and to deactivate and/or to activate the sending of the AIS radio signals of the second AIS radio signal type in point a) on the basis of the ascertained distance of the ship from the coast.