A tether (110) for a vehicle (102), such as an unmanned vehicle (102), comprises a power unit (104); a vehicle unit (108) arranged to be located on the unmanned vehicle (102); and a tether cable (106) extending between the power unit (104) and the vehicle unit (108). The vehicle unit (108) is arranged to receive power from the tether cable (106) and to adjust voltage of the received power to a suitable level for use by the vehicle (102). The tether cable (106) has a voltage of between 70 V and 250 V and is arranged to supply power to the unmanned vehicle (102). The unmanned vehicle (102) may be an unmanned aerial vehicle (102). The cable may comprise two silver coated cores, with a core diameter of between 1.5mm and 3mm.


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    Title :

    Tethers


    Publication date :

    2019-07-03


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English



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