Self-administered survey questionnaire and method
Self-aligning magnetic read head incorporating lift-up...
Self-calibrating apparatus for photoelectrically scanning answer
Self-checkout, point-of-transaction system including deactivatab
Self-cleaning perforation detector and method
Self-clocking glyph code for encoding dual bit digital values ro
Self-clocking glyph code having composite glyphs for distributiv
Self-clocking n,k code word without start or stop
Self-compensating speaker volume control system for data...
Self-contained detector device for checking information recorded
Self-contained miniature timer
Self-contained scanning and verifying apparatus with movably...
Self-contained, portable data entry terminal
Self-focusing bar code reader and optical receiving system
Self-optimizing symbology reader
Self-registering spread-spectrum barcode method
Self-scanning checkout device
Self-scanning code reading device
Self-scanning system with enhanced features
Self-service terminal capable of detecting fraudulent use of an