Dual mode credit card based payment technique
Dual processor trusted computing environment
Dual purpose portable card, a communication system, a...
Dual-purpose automatic apparatus for dispensing and depositing v
Dual-sided smart card reader
Dynamic aggregation of payment transactions
Dynamic barcode for displaying medical data
Dynamic barcode label system
Dynamic card validation value
Dynamic coded mechanical metering system
Dynamic credit card with magnetic stripe and embedded...
Dynamic credit card with magnetic stripe and embedded...
Dynamic discount card tied to price curves and group discounts
Dynamic error location
Dynamic payment device characteristics
Dynamic pricing system with graphical user interface
Dynamic smart card/media imaging