Patent ID: 7363737

Claim:
Billboard to display an advertising message to be seen simultaneously by several people and to diffuse an odor, said board comprising: a frame comprised of two vertical posts assembled with two upper and lower horizontal posts, defining a parallelepiped volume in which at least one of two opposite large faces comprises a quadrangular display window bordered by a perimeter marginal zone of a board face and in which volume an advertising message display assembly is arranged facing the window; and at least one odor diffuser generating an odoriferous stream, installed inside the volume of the frame and associated to an odor diffusing element inside the volume of the frame, said element being comprised of a diffusion chamber receiving the odoriferous stream, said chamber being in communication relation with an opening thereof, ending outside, to diffuse outside the internal volume, an odoriferous stream generated by the diffuser; wherein said odor diffuser has a mixing head ensuring the mixing of a carrier gas with an odoriferous fluid contained in a suitable container, said mixing head being in communication relation with the diffusion chamber of the diffusing element and having an outlet through which the odoriferous stream obtained is delivered, which is drawn to the diffusing element, to then be driven to the outside of the board.