Assignee
ELVA SA
US2 patents
Top patents by PatentIndex Score
US6393567B1May 21, 2002
Method of enabling a server to authorize access to a service from portable devices having electronic microcircuits, e.g. devices of the smart card type
ELVA SA30 citations89
US6748359B1Jun 8, 2004
Method for transmitting acoustic signals from a memory or chip card, and card for implementing said method
ELVA SA13 citations80