Button+: Supporting User and Context Aware Interaction Through Shape-Changing Interfaces (2017)

Smart-rings are ideal for subtle and always-available haptic notifications due to their direct contact with the skin. Previous researchers have highlighted the feasibility of haptic technology in smart-rings and their promise in delivering noticeable stimulations by poking a limited set of planar locations on the finger. However, the full potential of poking as a mechanism to deliver richer and more expressive information on the finger is overlooked. With three studies and a total of 76 participants, we informed the design of PokeRing, a smart-ring capable of delivering information via stimulating eight different locations around the index finger’s proximal phalanx. We report our evaluation of the performance of PokeRing in semi-realistic wearable conditions, (standing and walking), and its effective usage for information transfer with twenty-one spatio-temporal patterns designed by six interaction designers in a workshop. Finally, we present three applications that exploit PokeRing’s notification usages.

References

Jihoon Suh, Wooshik Kim, and Andrea Bianchi. 2017. Button+: Supporting User and Context Aware Interaction through Shape-Changing Interfaces. In Proceedings of the Eleventh International Conference on Tangible, Embedded, and Embodied Interaction (TEI ‘17). ACM, New York, NY, USA, 261-268. DOI: https://doi.org/10.1145/3024969.3024980

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