Scrambled-communication system using adaptive transversal filter
Secure cryptographic processor arrangement
Self-verifying identification card
Stream cipher system with feedback
Switching matrix
System and method for certifying content of hard-copy documents
System and method for controlling the dispensing of an authentic
System and method for dispensing postage based on telephonic or
System and method for enhancing detection of counterfeit financi
System and method for registgration using indicia
System and process for guaranteeing signatures on securities
System for detecting unaccounted for printing in a value printin
System for encoding and decoding data in machine readable graphi
System for encoding data in machine readable graphic form
System for encoding data in machine readable graphic form
System for producing verifiable kiosk receipts and records
System for seamless processing of encrypted and non-encrypted da
Systems and methods for policy based printing