Patent ID: 8306482
Filing Date: 2012-11-06
Classification: G01S

Abstract:
1. An apparatus for providing radio communication service in a vessel, comprising: at least one radio signal transmission and reception unit which provides two-way communication with a coastal radio communication station using at least one of medium frequency, high frequency, and very high frequency; at least one modulation and demodulation unit connected to the radio signal transmission and reception unit; a location information receiving unit for receiving location information; a plurality of frequency conversion units, for processing two-way communication with a search and rescue terminal placed on the same vessel as where the apparatus for providing radio communication service is placed, wherein the number of frequency conversion units corresponds to the number of channels of the search and rescue terminals; at least one signal processing unit configured to process a signal from/to the frequency conversion unit; and a main control unit connected between the signal processing unit and the modulation and demodulation unit, which is configured to transmit location information received from the location information receiving unit to the search and rescue terminal through the signal processing unit, and control, upon request of the search and rescue terminal, connection between the signal processing unit and the modulation and demodulation unit which is available, wherein the search and rescue terminal is configured to communicate emergency rescue signals to a rescue satellite in case of emergencies.