Patent ID: 8385821

Claim:
An underwater vehicle communications system comprising at least one underwater vehicle provided with a transceiver, and at least one station provided with a transceiver, wherein each of said transceivers comprise: at least one transmitter and at least remote receiver, said at least one transmitter comprising: a data input representative of image data at least; a modulator, for modulating the input data onto a carrier signal; and an antenna for transmitting modulated electromagnetic and/or magnetic signals, and said at least one receiver comprising: an antenna for receiving modulated electromagnetic and/or magnetic signals, wherein at least one of the said transceivers is underwater and each of said transceivers is operable to transmit data to other of said transceivers, wherein each said transmitter further comprises a digital data compressor for compressing said image data at least that is to be transmitted wherein the said digital data compressor is configured to reduce occupied transmission bandwidth such as to increase the range of signal reception underwater.