System (1, 7, 8, 9, 11, 12, 13) comprising: • a triple glazing; • a blind (7, 8) placed inside said triple glazing, said blind (7, 8) being movable with respect to said triple glazing; • a group for moving said blind (7, 8) inside said triple glazing; • a device (12, 13) for controlling the actuation of said movement group, said control device (12,13) being placed outside said triple glazing; • a device (11, 50) for transmitting, to said movement group, a rotary motion coming from said control device (12, 13), said transmission of said rotary motion causing the actuation of said movement group; said triple glazing comprising: • a first chamber in which said blind (7, 8) and said movement group are housed, said first chamber being partially enclosed between a first peripheral wall and a second intermediate wall of said triple glazing; • a second chamber in which said transmission device (11, 50) is housed, said second chamber being partially enclosed between said second intermediate wall and a third peripheral wall of said triple glazing, said transmission device (11, 50) being interposed between said second intermediate wall and third peripheral wall, said second chamber being interposed between said first chamber and said control device (12, 13), said control device (12, 13) situated in proximity to said third peripheral wall; • means (30, 31) for supporting said transmission device (11, 50) in said second chamber; said control device (12, 13) comprising a first magnet rotatable around one axis thereof with respect to said third peripheral wall, the rotation of said first magnet corresponding with said rotary motion; said movement group comprising a second magnet rotatable around one axis thereof with respect to said second intermediate wall, the rotation of said second magnet causing the movement of said blind (7, 8); said transmission device (11, 50) being rotationally and magnetically coupled to said first magnet and to said second magnet, said rotational magnetic coupling causing the transmission of said rotation from said first magnet to said second magnet, said system (1, 7, 8, 9, 11, 12, 13) being characterized in that said support means (30, 31) of said transmission device (11, 50) comprise first elastic means (30, 31) for connecting the transmission device (11, 50) to said second intermediate wall and third peripheral wall. • a triple glazing; • a blind (7, 8) placed inside said triple glazing, said blind (7, 8) being movable with respect to said triple glazing; • a group for moving said blind (7, 8) inside said triple glazing; • a device (12, 13) for controlling the actuation of said movement group, said control device (12,13) being placed outside said triple glazing; • a device (11, 50) for transmitting, to said movement group, a rotary motion coming from said control device (12, 13), said transmission of said rotary motion causing the actuation of said movement group; • a first chamber in which said blind (7, 8) and said movement group are housed, said first chamber being partially enclosed between a first peripheral wall and a second intermediate wall of said triple glazing; • a second chamber in which said transmission device (11, 50) is housed, said second chamber being partially enclosed between said second intermediate wall and a third peripheral wall of said triple glazing, said transmission device (11, 50) being interposed between said second intermediate wall and third peripheral wall, said second chamber being interposed between said first chamber and said control device (12, 13), said control device (12, 13) situated in proximity to said third peripheral wall; • means (30, 31) for supporting said transmission device (11, 50) in said second chamber;