Security documents
Security element
Security in mag-stripe card transactions
Security level identification method for computer based informat
Security reader for automatic detection of tampering and alterat
Security system and lock
Security system for protecting various items and a method...
Security tape with integrated hologram and magnetic strip
Seek and track control for a rectangular optical card handling a
Selection of colors for color bar codes
Selective card entry gate with ridged profile
Selective pattern scanner
Selective text retrieval system
Selectively illuminating marking apparatus and method for...
Self clocking magnetic encoder
Self service terminal and method for processing transaction...
Self-administered survey questionnaire and method
Self-aligning magnetic read head incorporating lift-up...
Self-calibrating apparatus for photoelectrically scanning answer
Self-checkout, point-of-transaction system including deactivatab