Audio-haptic feedback in mobile phones
CHI '05 Extended Abstracts on Human Factors in Computing Systems
Systems for human-powered mobile computing
Proceedings of the 43rd annual Design Automation Conference
The peppermill: a human-powered user interface device
Proceedings of the fourth international conference on Tangible, embedded, and embodied interaction
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Beyond energy monitors: interaction, energy, and emerging energy systems
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
MimicTile: a variable stiffness deformable user interface for mobile devices
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Designing everyday technologies with human-power and interactive microgeneration
Proceedings of the Designing Interactive Systems Conference
Muscle-propelled force feedback: bringing force feedback to mobile devices
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Paper generators: harvesting energy from touching, rubbing and sliding
Proceedings of the 26th annual ACM symposium on User interface software and technology
Haptic props: semi-actuated tangible props for haptic interaction on the surface
Proceedings of the adjunct publication of the 26th annual ACM symposium on User interface software and technology
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We present Interactive Generator (InGen), a self-powered wireless rotary input device capable of generating haptic or force feedback without the need for any external power source. Our approach uses a modified servomotor to perform three functions: (1) generating power for wireless communication and embedded electronics, (2) sensing the direction and speed of rotation, and (3) providing force feedback during rotation. While InGen is rotating, the device is capable of providing the sensation of detents or bumps, changes in stiffness, and abrupt stops using only power that is harvested during interaction. We describe the device in detail, demonstrate an initial 'TV remote control' application, and end with a discussion of our experiences developing the prototype and application. To the best of our knowledge, InGen is the first self-powered device, which also provides haptic feedback during operation. More broadly, this work demonstrates a new class of input sys-tems that uses human-generated power to provide feedback to the user and wirelessly communicate sensed information.