Smelly signals

时间:2019-03-06 10:01:05166网络整理admin

By Barry Fox Schemes for making smells to augment cinema, TV or computer images usually involve capsules of chemicals which generate specific odours. But Aromix Technologies and Yeda Research and Development of Israel are patenting a different approach (WO 00/15268/9). A gas chromatograph analyses the smell which is to be reproduced, and breaks it down into a series of peaks representing the chemical constituents. The peaks are digitally coded and transmitted by radio, film or CD to a replay device with an “odorant palette” of containers, each holding a different chemical. Heaters in the containers release various pongs,