image scanner

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image scanner

A librarian uses an image scanner to digitize an old photograph.

Definition

Noun: A hardware device that optically captures a physical image, such as a photograph or document, and converts it into a digital format that can be stored, edited, or transmitted by a computer.

Usage

An image scanner is used to digitize flat, physical media. It functions by moving a light sensor across the item or moving the item past the sensor. The primary use is to create a digital copy (often a JPEG, PNG, or PDF file) of a hard-copy document or picture for computer use.

Examples
  • Noun:
    • I used an image scanner to digitize my old family photos.
    • Please place the document face down on the glass of the image scanner.
    • The quality of the digital copy depends on the resolution of your image scanner.
Advanced Usage
  • "to scan" (verb): The action performed by an image scanner.
    • I need to scan this contract and email it.
  • "scanned image" (noun phrase): The resulting digital file.
    • The scanned image was clear and easy to read.
Variants and Related Words
  • Scanner: A common shortened form for "image scanner."
    • The office scanner is out of paper.
  • Flatbed scanner: A common type of image scanner with a flat glass plate.
  • Document scanner: A type of image scanner often designed for high-volume text document digitization.
  • Scanning (gerund/noun): The process of using an image scanner.
Synonyms
  • Optical scanner
  • Digitizer (in this specific context)
Related Phrasal Verbs / Compound Terms
  • Scan in: To input something into a computer using a scanner.
    • Can you scan in these pages for the report?
image scanner

A librarian uses an image scanner to digitize an old photograph.

Noun
  1. an electronic device that generates a digital representation of an image for data input to a computer

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