Haptics using a smart material for eyes free interaction in mobile devices

@article{Wang2012HapticsUA,
  title={Haptics using a smart material for eyes free interaction in mobile devices},
  author={Huihui Wang and Dimosthenis Kaleas and Roger Ruuspakka and Robert Tartz},
  journal={2012 IEEE Haptics Symposium (HAPTICS)},
  year={2012},
  pages={523-526}
}
We present a proof of concept (POC) for haptic interaction when audio or visual feedback is not practical. The POC includes addressable arrays of two-way Shape Memory Alloy (SMA) springs which can operate at a lower voltage and temperature compatible with mobile devices. They will form different shapes due to the thermal effect as current travels through the springs. The POC can simultaneously realize multiple methods for conveying haptic information such as dimension, force, texture and… CONTINUE READING
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