A Finger-Ring ShapedWearable HANDset based on Bone-Conduction

  • Authors:
  • Masaaki FUKUMOTO

  • Affiliations:
  • NTT DoCoMo Multimedia Labs, Yokosuka, Japan

  • Venue:
  • ISWC '05 Proceedings of the Ninth IEEE International Symposium on Wearable Computers
  • Year:
  • 2005

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Abstract

This paper introduces a finger-ring shaped wearable HANDset. It uses the human finger as a transmission route for the receiving voice (bone conduction). Vibration noise is reduced using a newly-created microphone unit named "Duaphragm" that can suppress echo by about 70%. Duaphragm provides a small, low-power, and low-cost means of reducing vibration noise. In addition, a new LSI chip that integrates an accelerometer and a tapping command detector allows the handset to be controlled by tapping the fingertip on which the device is worn.