System for reading and encoding a magnetic track carried by a ma

System for reading bar code symbol on containers having arbitrar

System for reading bar code symbols using bar code readers...

System for reading bar code symbols using portable bar code symb

System for reading bar code symbols using portable bar code...

System for reading barcode symbols

System for reading coded indica with increased depth of field

System for reading data on different planes of focus based...

System for reading optical indicia

System for reading optical indicia

System for reading optical indicia

System for reading out bar coded labels

System for reading two-dimensional images using ambient...

System for reading, storing and using bar-encoded data from a co

System for recognizing bar code information

System for recognizing bar code information

System for reliable digital recording on unreliable magnetic med

System for reminding a user to remove a credit card from a credi

System for remote information interchange between a portable obj

System for remote information interchange between a portable obj