06629591 is referenced by 270 patents and cites 2 patents.

A token for use in a cashless transaction involving an electronic device includes a token body having a coin shape. The token has a digital circuit embedded within the token body and a memory embedded within the token body that is coupled to the digital circuit. The token also includes an input/output interface embedded within the token body that is coupled to the digital circuit and which enables the digital circuit to communicate with the electronic device.

Title
Smart token
Application Number
9/759712
Publication Number
6629591 (B1)
Application Date
January 12, 2001
Publication Date
October 7, 2003
Inventor
Joseph R Hedrick
Reno
NV, US
Chauncey Warner Griswold
Reno
NV, US
Agent
Marshall Gerstein & Borun
US
Assignee
IGT
NV, US
IPC
G07F 7/00
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