TY - CONF A1 - Hemmert, Fabian A1 - Hamann, Susann A1 - Wettach, Reto T1 - The digital hourglass T2 - TEI '09 : Proceedings of the 3rd International Conference on Tangible and Embedded Interaction N2 - This paper presents the Digital Hourglass, an alarm clock that focuses on the amount of sleep, rather than wake-up times. It follows a simple approach, lighting one LED for each hour of sleep, and physically resembles the interaction with a conventional hourglass: Tilting the hourglass moves 'time' between its chambers, placing it in an upright position activates it, turning it by 180° snoozes it and placing it horizontally on a surface turns it off. KW - physical interaction design KW - Wecker KW - Digitalisierung KW - Sanduhr KW - Lumineszenzdiode KW - Schlaf KW - Zeit Y1 - 2022 UR - https://opus4.kobv.de/opus4-fhpotsdam/frontdoor/index/index/docId/2721 SN - 978-1-60558-493-5 SP - 19 EP - 20 PB - Association for Computing Machinery CY - New York ER -