Quad density optical data system
Quadrature correlation pulse detector
Quality control apparatus and method using a bar code data entry
Quality management method for aerospace machine element...
Quality monitored distributed voting system
Quasi-coaxial optical bar code reader
Quasi-one-dimensional focal plane array for vision scanners
Question paper forming apparatus and question paper forming...
Questionnaire network for mobile handsets and a trading...
Questionnaire scanning system employing expandable answer mark a
Queue monitoring and/or control system