Patent ID: 9156552
Filing Date: 2015-10-13
Classification: B64C,F41H,F42B

Abstract:
1. A method performed by an apparatus, mounted on an unmanned vehicle and arranged to act upon a payload, the payload being mounted on the unmanned vehicle and, under an action of the apparatus, able to be activated, the method comprising: receiving an activation instruction from an entity, the entity being remote from the unmanned vehicle, said activation instruction comprising an indication of a time that the activation instruction was sent from the entity to the unmanned vehicle; determining whether or not the received activation instruction is valid by performing a validation process, said validation process comprising determining that the activation instruction is valid only when a time period between the time that the activation instruction was sent and a time that the validation process is performed is less than a pre-determined threshold; and in response to determining that the received activation instruction is valid, activating the payload.