Apparatus for gauging hole position in punched material

Automated dimensional inspection

Bar code demodulating method dependent on respective range of le

Bar code demodulating method empolying reference black and white

Bar code reading for providing improved reading and storage...

Card reader maintenance system

Card system, IC card and card reader/writer used for the...

Coincidence testing method for enhancing the reliability of outp

Concurrent, image-based, reject-re-entry system and method

Detection of tampering of a smart card interface

Digitizer signal processing circuit for a bar code

Distinguishing bar code types by comparing bar block sizes

Error correcting bar code reader

Fault tolerant smart card

Indicia validation system

Information reproducing apparatus for information recording medi

Labels and label readers

Media labeling system for data storage elements having a common

Method and apparatus for performing on-line integrated decoding

Method and apparatus for printing and reading electronically rea