light pen

L l

Transcription

- US Pronunciation
- US IPA
- [lahyt pen]
- /laɪt pɛn/

- US Pronunciation
- US IPA
- [lahyt pen]
- /laɪt pɛn/

Definitions of light pen words

noun light pen a handheld light-sensitive device used for pointing at characters or objects on a CRT in order to make or modify drawings or to indicate functions to be performed. 1
abbreviation LIGHT PEN light-sensitive pointer 1
noun Technical meaning of light pen (hardware) An early pointing device which the user pointed at a raster-scanned display screen. A photocell in the pen detected the flying spot of the raster scan. The position of the spot at that instant, obtained from the scanning electronics, was made available to software as (x, y) co-ordinates. 1
noun light pen 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 0
noun light pen 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 0
noun light pen a hand-held, pen-shaped electronic device used to scan images, draw lines, designate points, etc. as on a computer video screen 0

See all 7 definitions of light pen

Information block about the term

Origin of light pen

First appearance:

before 1955

One of the 4% newest English words

First recorded in 1955-60

Historical Comparancy

Parts of speech for Light pen

noun

adjective

verb

adverb

pronoun

preposition

conjunction

determiner

exclamation

Full grammatical hierarchy of Light pen

light pen popularity

A pretty common term. Usually people know it’s meaning, but prefer to use a more spread out synonym. About 39% of English native speakers know the meaning and use word.

According to our data about 66% of words is more used. This is a rare but used term. It occurs in the pages of specialized literature and in the speech of educated people.

light pen usage trend in Literature

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