They are used for overhead scanning of low-aspect ratio bar codes for sortation in warehouse and distribution facilities.
Bar-code scanner enhancements
The Omni Ci-Era(TM) 1000 and 2000 bar-code scanners from Computer Identics/I.D. Matrix (Canton, MA) employ the Omni Cix(TM) scanner to read bar-code labels or labeled items at any angle.
Feb 28, 1997