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...http://www.google.fr/patents/US6441721?utm_source=gb-gplus-shareBrevet US6441721 - Data transmission apparatus and data reception apparatus
Data transmission apparatus and data reception apparatus
