(flow of signal exchange in about 1 min.)
The concept consists of two I/O devices which are always on-connected. The device contains a full-color LED, a buzzer, a switch and a LSI chip. The device connected to the network terminal device obtains a user’s buttonpressing action by the button switch, and changes the color of the embedded light. The signal of switch whether the button is pressed or not is transmitted to the other side of the line, and causes the color change of the light of the other side of the line. The color of light is coincided with each other. Users can get intent from the other user in real time by changes of color of luminous light. In addition, as the color of light preserved until the next change, the light plays a role of a memory. The light simply changes on a periodic basis of four colors; red, yellow, green and blue. By pressing the button with each other, a variety of communication has been achieved by the changes of color of light.
Source: Suzuki, K. and Hashimoto, S. 2004. FeelLight: A Communication Device for Distant Nonverbal Exchange. In Proceedings of the ACM SIGMM Workshop on Effective Telepresence (ETP’04). ACM Press, 40–44.
http://i-www.iit.tsukuba.ac.jp/~kenji/work-hci-01.html
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