Patent ID: 7613543
Filing Date: 2009-11-03
Classification: A01D,G05D

Abstract:
1. Method for operating an automatic device ( 2 ) by means of an electronic directing system, said system comprising at least one first electrical cable ( 1 , 4 , 5 , 6 ) connected to at least one first signal generator ( 3 , 7 , 8 ) and at least one sensing system ( 11 , 12 , 13 ) arranged on said device ( 2 ), said sensing system ( 11 , 12 , 13 ) detecting at least one magnetic field being transmitted via said cable ( 1 , 4 , 5 , 6 ) and propagating through the air, the sensing system transmitting a processed signal to at least one driving means which contributes to the movements of said device in relation to a surface, characterized in that said first signal generator (