A device is provided that is adapted for use underwater for connection to an optical cable, the optical cable (1) having an electrically conducting member arranged along it. The device comprises a tone generator (8) for connecting to the electrically conducting member (6) of the optical cable, wherein the tone generator is arranged to transmit a toning signal along the electrically conducting member (6).
申请公布号
WO03048829(A3)
申请公布日期
2003.08.21
申请号
WO2002GB05325
申请日期
2002.11.27
申请人
GLOBAL MARINE SYSTEMS LIMITED;HART, PHILIP, RICHARD;DICKER, KEITH, ALAN