Device for selectively reading code symbols in spatially-defined
Device for storing and displaying selected bar codes
Device for the optical identification of a coding on a diagnosti
Device for verifying documents
Device having automatic process for upgrading the performance of
Device which processes images in accordance with coded data...
Device with memory card insertion/removing mechanism
Devices and method for recording sales leads
Devices and/or systems for automatically imaging barcodes
Devices method and computer program for position determination
Dial tone speed monitor
Diffraction element and optical machine-reading device
Diffractive optical beam shaping methods and apparatus for provi
Diffractive optical variable image including barcode
Digital audio output device
Digital automatic gain control for multi-stage amplification cir
Digital bar code slot reader with threshold comparison of the di
Digital circuit for a laser scanner using a first derivative sig
Digital clock gearing
Digital code reader