Mark sensing apparatus
Mark sheet reading apparatus
Mark-reading apparatus for use with answer sheets
Marked card reader
Marked card reader employing afocal spatial filtering
Marking medium area with encoded identifier for producing...
Marking message card and template assembly and related input swi
Mass-balanced automatic hand-supportable laser projection scanne
Material coding using lasers
Mathieu-Gaussian beam for optical scanners
Matrix encoding devices and methods
Maxicode data extraction using spatial domain features
Maxicode data extraction using spatial domain features
Maxicode data extraction using spatial domain features exclusive
Means and method for disabling access to a memory
Means and method for non-contact bar code label verification
Means and method for non-contact bar code label verification
Means and method of identifying objects using a zero contrast se
Means and method of identifying objects using a zero contrast se
Means and method of scaling time interval measurements from an o