Inventor
SMETS PATRICK
BE8 patents
Patents
8 patentsUS7424977B2Sep 16, 2008
Method and system for conducting contactless payment card transactions
MASTERCARD INTERNATIONAL INC234 citations98
US7717346B2May 18, 2010
Collision detection and avoidance scheme for contactless card payment systems
MASTERCARD INTERNATIONAL INC15 citations92
US7775445B2Aug 17, 2010
Reference equipment for testing contactless payment devices
MASTERCARD INTERNATIONAL INC9 citations83
US7669772B2Mar 2, 2010
Method and system using a bitmap for passing contactless payment card transaction variables in standardized data formats
MASTERCARD INTERNATIONAL INC10 citations82
US7431217B2Oct 7, 2008
Reference equipment for testing contactless payment devices
MASTERCARD INTERNATIONAL INC8 citations73
US7422157B2Sep 9, 2008
Payment card signal characterization methods and circuits
MASTERCARD INTERNATIONAL INC4 citations68
US7520435B2Apr 21, 2009
Contactless payment card reader with a frusto-conical operating volume
MASTERCARD INTERNATIONAL INC2 citations62
US7866552B2Jan 11, 2011
Method and system using a bitmap for passing contactless payment card transaction variables in standardized data formats
MASTERCARD INTERNATIONAL INC2 citations61