Weight-Shifting Mobiles

This mobile phone prototype employs an automatically movable weight on its inside. It explores the utility of moving weight as a tactile display in mobile phones.

Mass-Augmented Content

Through a moving center of gravity, a mobile device can display content physically enriched: Through the positioning of mass. For example, drag and drop operations can be physically supported through a synchronized movement of the device’s center of gravity, following the dragged object.

Hierarchy Representation

Non-visual information displays can be helpful in certain situations, but they are often limited in their bandwidth and the way they map digital information to physical properties. A two-dimensional weight-based display can represent two layers of hierarchy, ambiently: For instance, a meta-layer of making progress through a playlist can be displayed in parallel with a display of a the playhead’s position on the layer of individual songs.

Tactile Compass

An actuated center of weight in a mobile device may be particularly helpful in mobile navigation: It could display walking directions intuitively and non-visually, allowing users to navigate safely while not looking at the device, but simply holding it in one hand.


Publications

Take me by the Hand: Haptic Compasses in Mobile Devices through Shape Change and Weight Shift

Hemmert, Fabian, Hamann, Susann, Löwe, Matthias, Wohlauf, Anne, Zeipelt, Josefine, and Joost, Gesche 2010. Take me by the Hand: Haptic Compasses in Mobile Devices through Shape Change and Weight Shift. In Proceedings of the Sixth Nordic Conference on Human-Computer Interaction. (Reykjavik, Iceland, October 16 – 20, 2010). NordiCHI ’10.


Weight-Shifting Mobiles: Motion and Tilt in One-Dimensional Gravitational Displays

Hemmert, Fabian, Hamann, Susann, Löwe, Matthias, Wohlauf, Anne, and Joost, Gesche 2010. Weight-Shifting Mobiles: Motion and Tilt in One-Dimensional Gravitational Displays. In Proceedings of the Third International Conference on Advances in Human-oriented and Personalized Mechanisms, Technologies, and Services (Nice, France, August 22 – 27, 2010). CENTRIC ’10.


Weight-Shifting Mobiles: Automatic Balancing in Mobile Phones

Hemmert, Fabian, Hamann, Susann, Löwe, Matthias, Zeipelt, Josefine, and Joost, Gesche 2010. Weight-Shifting Mobiles: Automatic Balancing in Mobile Phones. In CHI ’10 Extended Abstracts on Human Factors in Computing Systems (Atlanta, Georgia, USA, April 10 – 15, 2010). CHI ’10. ACM, New York, NY, 3081-3085.


Weight-Shifting Mobiles: Two-Dimensional Gravitational Displays in Mobile Phones

Hemmert, Fabian, Hamann, Susann, Löwe, Matthias, Zeipelt, Josefine, and Joost, Gesche 2010. Weight-Shifting Mobiles: Two-Dimensional Gravitational Displays in Mobile Phones. In CHI ’10 Extended Abstracts on Human Factors in Computing Systems (Atlanta, Georgia, USA, April 10 – 15, 2010). CHI ’10. ACM, New York, NY, 3087-3091.


Weight-Shifting Mobiles: One-Dimensional Gravitational Displays in Mobile Phones

Hemmert, Fabian, Hamann, Susann, Löwe, Matthias, Wohlauf, Anne, and Joost, Gesche 2009. Weight-Shifting Mobiles: One-Dimensional Gravitational Displays in Mobile Phones. In Adjunct Proceedings of the 22nd ACM Symposium on User Interface Software and Technology (Victoria, British Columbia, Canada, October 04 – 07, 2009). UIST ’09. ACM, New York, NY.