Epson Expression 1600 Guia do Utilizador descarregar pdf (Página 90)

Glossary

-3

R4C0910

long.bk Rev. C

A5 size GLOSS.FM

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M.Fujimori _______

J.Hoadley _______

ink jet printer

A printer that transfers ink onto the paper by spraying the ink through a number

of small nozzles.

interface

A piece of hardware, a method, or a standard used for connection between or

among computer devices.

line sequence

A type of color scanning that separates primary colors line by line. The carriage

makes only one pass.

moir

éé

A moiré is a cross-hatch pattern that appears on scanned images when scanning

printed material. It is a result of interference that occurs due to the difference

between the pitches of the scanning and the halftone screens.

monochrome

Black and white images, or images represented only by the intensity of

luminosity.

OCR

Optical Character Recognition.

The technology that allows computers to "read" text from physical objects. OCR

requires a graphical representation of text to interpret, which usually comes from

a scanned image.

page sequence

The type of color scanning in which the entire image is scanned once for each

separate color.

pixel

Short for picture element. Each image is composed of a number of pixels. Pixels

are also counted in units of dots.

plain bi-level

Bi-level image data without the halftoning process.

port

An interface channel through which data is transmitted between devices.

primary colors

Basic colors. See

additive primary colors

and

subtractive primary colors

resolution

Indication of how finely an image is resolved into pixels. Can be measured in

dots per inch (dpi), pixels per inch (ppi), or samples per inch (spi).

scan

An operation performed by the sensor and the carriage. The image is divided

into pixels by scanning.

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