Token with an electronic identifier

作者: Heriberto Corrales Castañeda , Gerard Charlier

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摘要: A token includes a flat body made of plastic material. The has at least two parallel faces and cavity which opens to one the faces. receives an electronic identification device. At plug material is included. inserted into retain device in form pellet having outer film layers enveloping elements. are perforated.

参考文章(4)
Raleigh B Stimson, Decorative button assembly ,(1966)
William F Burke, Lee T Crowell, Robert C Greenwood, Thomas E Jones, Coded token and acceptor ,(1974)