The system and method of controlling the olfactory stimuli release a specified aroma-causing agent from a first specified location in environment. In order to simulate the movement of the released aroma-causing agent in space, the same aroma-causing agent is released from a second specified location...http://www.google.de/patents/US6282458?utm_source=gb-gplus-sharePatent US6282458 - Methods and systems for controlling olfactory stimuli
