light pen

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light pen

n.
A small, photosensitive device connected to a computer and moved by hand over an output display in order to manipulate information in the computer.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

light pen

n
(Computer Science) computing
a. a rodlike device which, when applied to the screen of a cathode-ray tube, can detect the time of passage of the illuminated spot across that point thus enabling a computer to determine the position on the screen being pointed at
b. a penlike device, used to read bar codes, that emits light and determines the intensity of that light as reflected from a small area of an adjacent surface
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

light′ pen`


n.
a hand-held light-sensitive input device used for drawing on a computer display screen or for pointing at characters or objects, as when choosing options from a menu.
[1955–60]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

light pen

A light-sensitive input device with which one can draw” on a VDU.
Dictionary of Unfamiliar Words by Diagram Group Copyright © 2008 by Diagram Visual Information Limited
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.light pen - (computer science) a pointer that when pointed at a computer display senses whether or not the spot is illuminatedlight pen - (computer science) a pointer that when pointed at a computer display senses whether or not the spot is illuminated
pointer - an indicator as on a dial
computer science, computing - the branch of engineering science that studies (with the aid of computers) computable processes and structures
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
Translations
fényceruza

light pen

npenna luminosa or ottica, light pen f inv
Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995
References in periodicals archive ?
A lightpen or stylus connected to a computer transforms the screen into a drawing surface.
The student, using a keyboard or lightpen, selects an answer believed correct.