Richter, MartinMartinRichterKibler, SebastianSebastianKiblerLinssen, ReneReneLinssen2022-03-082022-03-082012https://publica.fraunhofer.de/handle/publica/309982A controllable scent sample dispenser comprises a microdosing device for outputting, during an activation state, a scent sample at a scent sample outlet to the environment, wherein the microdosing device (20) is placeable adjacent to an animal's nose so that a distance between the outlet (22) of the microdosing device (20) and a nare or nostril of the animal's nose is within a predefined range, and a microdosing driver unit for adjusting a dosing rate of the scent sample output at the scent sample outlet by selectively activating the microdosing device.en621patentEP2011/57546