| 7866552 |
Method and system using a bitmap for passing contactless payment card transaction variables in standardized data formats |
Eddy Lodewijk Hortensia Van De Velde |
2011-01-11 |
| 7775445 |
Reference equipment for testing contactless payment devices |
Eddy Lodewijk Hortensia Van De Velde, Duncan Garrett |
2010-08-17 |
| 7717346 |
Collision detection and avoidance scheme for contactless card payment systems |
Eddy Lodewijk Hortensia Van De Velde, Duncan Garrett |
2010-05-18 |
| 7669772 |
Method and system using a bitmap for passing contactless payment card transaction variables in standardized data formats |
Eddy Lodewijk Hortensia Van De Velde |
2010-03-02 |
| 7520435 |
Contactless payment card reader with a frusto-conical operating volume |
Eddy Lodewijk Hortensia Van De Velde, Duncan Garrett |
2009-04-21 |
| 7431217 |
Reference equipment for testing contactless payment devices |
Eddy Lodewijk Hortensia Van De Velde, Duncan Garrett |
2008-10-07 |
| 7424977 |
Method and system for conducting contactless payment card transactions |
Eddy Lodewijk Hortensia Van De Velde, Duncan Garrett |
2008-09-16 |
| 7422157 |
Payment card signal characterization methods and circuits |
Eddy Lodewijk Hortensia Van De Velde, Duncan Garrett |
2008-09-09 |
