Inventor
DOS SANTOS PATO MANUEL AUGUSTO
BR3 patents
Patents
3 patentsUS5929416AJul 27, 1999
Reading head arrangement for two data card types
BRASILIA TELECOM23 citations82
US6044953AApr 4, 2000
Independent device for verifying, validating and codifying inductive cards
BRASILIA TELECOM1 citations40
US6050488AApr 18, 2000
Circuit for driving inductive sensors for reading and debiting prepaid cards
BRASILIA TELECOM1 citations39