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.