DEVICE FOR PROJECTION OF IMAGES ON A MISTY-DROPLET-LIKE FRONT Russian patent published in 2022 - IPC G09F19/18 G03B21/56 

FIELD: advertising information displaying.

SUBSTANCE: invention relates to means for displaying advertising information, in particular to means for video projection of advertising in arched spaces. The device includes a projector, a fogger, branch pipes, vertical racks, on top of which a canopy is installed, on which pipes with nozzles connected to the water treatment unit are mounted in several rows from below. The unit includes a filter connected in series with nozzles, a storage tank, a pair of high pressure pumps, the output of which is connected to series-connected three-way valves. A fogger is connected to the first output of the first three-way valve, the output of which is connected to the input of the second three-way valve. The second outlet of the first three-way valve is also connected to the inlet of the second three-way valve, the first outlet of the second three-way valve is connected to the first pipe with nozzles, and its second outlet is connected to the inlet of the third three-way valve, the outlets of which are connected to the second and third pipes with nozzles, respectively. The projector is mounted on a suspension with a position regulator, which, in turn, is mounted on a carriage, made with the possibility of axial movement along a guide mounted perpendicular to the pipes with nozzles from the bottom of the canopy.

EFFECT: invention provides display of video information on a fog-droplet front under various wind loads.

1 cl, 3 dwg