Funbrella: recording and replaying vibrations through an umbrella axis

  • Fujita K
  • Itoh Y
  • Yoshida A
 et al. 
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We propose an umbrella-like device called Funbrella that entertains people with many types of rain by focusing on an umbrella as a user interface that connects humans and rain. Generally, people experience rain with sound, sight, or sometimes smell; however, in our proposed system, we focus on the vibration perceived through an umbrella’s handle so that people can feel the rain. We implemented a vibration-giving mechanism with an extremely simple structure based on a dynamic microphone and a dynamic speaker whose structures are almost identical. With this structure, Funbrella records the vibrations caused by raindrops and plays them. We implemented three applications: Crazy Rain, Tele-rain, and Minibrella. A questionnaire study about Crazy Rain application reveals that Funbrella is amusing enough for people regardless of age or gender because Funbrella accurately reproduces rain.

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  • K Fujita

  • Y Itoh

  • A Yoshida

  • M Ozaki

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