Abstract:
The invention relates to a head-up projection device for motorcycle helmet including a visor. Said device includes: - means (11) for securing said device to said helmet in an area close to an eye, when the helmet is worn by a motorcyclist; - at least one transparent optical element (12) capable of reproducing images and/or data and intended to be placed between the visor of the helmet and said eye; and - means (18) for adjusting the position of said optical element (12) in front of said eye.