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industrial design engineering, royal college of art david sweeney 2007 Just recently, a Japanese team created a device capable of analysing an ambient smell, and replaying a representation of it. Simply point the gadget at freshly baked bread, for example, and it will analyse its odour and reproduce it for you using a host of non-toxic chemicals. It will use 15 chemical-sensing microchips, or electronic noses, to pick up a broad range of aromas. These are then used to create a digital recipe from a set of 96 chemicals that can be chosen according to the purpose of each individual gadget. When you want to replay a smell, drops from the relevant vials are mixed, heated and vaporised. Even with 96 primary odours, close reproductions have being proving difficult. And the device is presently desktop sized. Researchers at the University of Southern California in LA have patented a project that would allow US Army officers to use coded smells to give orders.These can be delivered silently, in the dark and when loud noise is drowning out speech. Furthermore, says the patent, the immediate reaction to a smell is emotional, rather than rational, so an odour trigger may encourage people to carry out orders without question. A collar would hang round a soldier’s neck. The collar has a dozen cartridges, each containing a wick soaked in smelly liquid, a valve and a small propeller fan. Remote radio signals open selected valves and kick fans into life. 8
industrial design engineering, royal college of art david sweeney 2007 The Smell Projector. Pulses puffs of scent towards the noses of relevant users. Could be used in a control room situation. Smell Emitting Clothing and Jewelry. The Aroma Keyring. A Bluetooth enabled key ring, can produce a novel fragrance on demand or when it enters an enabled zone. Can be compared to concept of dynamically changing perfume dispensing device. 9
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