Product item registration
Product with a security element
Program, information storage medium, two-dimensional code...
Protected storage of data on optically-readable media
Random access techniques for use with self-clocking glyph codes
Re-writable display device and system including a carrier having
Reagent bottle identification and reagent monitoring system for
Record and printing member for making the record
Recording format for optical recording medium
Recording medium and apparatus and method for manufacturing...
Recording method, decoding method, and decoding apparatus for di
Recording of information
Reducing a visible presence of an optically readable tag
Redundant two-dimensional code and a decoding method
Redundant two-dimensional code and a decoding method
Redundantly encoded data structure for encoding a surface
Reflective members for use in encoder systems
Reflective optical encoder
Relatively small security elements, production method...
Reprogramming system including reprogramming symbol