optical bar-code reader
optical bar-code reader
[′äp·tə·kəl ′bär ‚kōd ‚rēd·ər] (computer science)
A device which uses any of various photoelectric methods to read information which has been coded by placing marks in prescribed boxes on documents with ink, pencil, or other means.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.