Codable data carrier in shape of transponder coin for use in public bath for carrying on body part e.g. as bracelet, whereby transponder coin has through hole, in middle in slot form adjusting on strap cross section, for strap with a clasp

摘要

The codable data carrier in shape of transponder coin (1) which is mounted on a wrist band. The transponder coin has a through hole (3), in the middle in form of a slot adjusting on the strap cross section, for passing the strap. The strap is equipped with a clasp. The transponder coin has a plastic circular disk (2) with adequate thickness.