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.

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

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]

light pen

A light-sensitive input device with which one can draw” on a VDU.
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
Translations
fényceruza

light pen

npenna luminosa or ottica, light pen f inv
References in periodicals archive ?
Annoyingly, the infuriating slip of an animator's light pen throughout the film distracts from the slickly orchestrated mayhem.
Pen Correcting Fluid Pen (Whitener/Correcting Fluid) 15 ml,Pen Correcting Fluid Pen(Whitener/Correcting Fluid) 20 ml,Pen High Lighter Pen set (Different Colours) ( Pack of 5 Pens),Pen Leaser Light Pen for Presentation (Red / Green / Blue Light beam),Pen Refill for Ball Pen (Pack of 10 Nos.
Here Gomori starts with a conversational tone, which continues with playfulness and ends either in an axiom or in a philosophical statement, written with a light pen.
The rubber mallet used to be the most important tool in my life, and now the most important tool is a light pen.
If you use light pen strokes then you are sensitive.
The new phone, which weighs 178 grams, also comes with a light pen.
You and up to 30 mates will be able to go to a special private screening of I Am Number Four at a cinema near you and we have 10 cool merchandise sets to give away for runners-up with the original novel, T-shirt, flashlight and LED light pen.
A technician used a light pen and attempted to trace and manually measure the boundaries of structures in the brain.
If little else, edifying his book most certainly is, having been written with a light pen, it is imaginative and humorous, almost cynical yet enjoyable.
The Airport Policing Group investigated in the Porthkerry Park area of Barry, as the crew believed the light was coming from there, and searched a car and found a 21-year-old man in possession of a laser light pen.
The program comprised an x-y plotter display and the recently invented light pen, a computer-input device shaped like a wand.
The so-called 'femtosecond' lasers are used in operating theatres, where in some systems the light is delivered along flexible optical fibre cables, which can then be held like a light pen.