| 摘要 |
A user 100 wears a bracelet-type data reception apparatus 200. When the user touches a contact point 402 on an information plate 300, the user receives data via the human body from a data transmission apparatus 200 associated with the information plate 300. The bracelet-type data reception apparatus 200 is provided with a full-color LED 209. Indications on this full-color LED 209 are used for notifying initiation of data reception, data reception in process, completion of data reception, and the like. A similar full-color LED 402 is installed on the information plate for notifying initiation of data transmission, data transmission in process, completion of data transmission, and the like.
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