DISPLAY DEVICE "COGNITIVE OLFACTOPHONE" Russian patent published in 1994 - IPC

FIELD: cognitive devices. SUBSTANCE: device has a box-like body in the form of a cylinder closed at one end having an axial sleeve. The cylinder has a projection on its inner surface. Within the cylinder the inner cylinder is mounted on the body sleeve for rotation by means of the axial sleeve. The inner cylinder has a closed end on its side faced to the closed end of the outer cylinder. The inner cylinder is divided by partitions into airtight compartment which are capable of containing the odor-carrier substance or accommodate the containers with such a substance. The containers have necks provided with escape-valves and extended through slots formed in the cylindrical part of the inner cylinder. The information-carrier is attached to the open end of the inner cylinder which has the form of a disk with an information applied on its outer side. The disk has holes for receiving the nozzles of the escape-valves, the number of the nozzles being in correspondence with the number of the compartments. The face surface of the body has the form of an outer disk with two through windows. EFFECT: enhanced efficiency. 5 cl, 8 dwg