optical scanner
[/ˈɒptɪkəl ˈskænər/]
nounpl: optical scanners
scanner óptico
1. A device that uses light to read printed or handwritten text and convert it into digital form
The optical scanner at the checkout quickly read the barcode on the product.
O scanner óptico no caixa leu rapidamente o código de barras do produto.
2. Equipment used to digitize documents by capturing images through optical technology
The office purchased a new optical scanner to digitize all their paper files.
O escritório comprou um novo scanner óptico para digitalizar todos os seus arquivos em papel.
3. A device specifically designed to read optical marks or OMR (Optical Mark Recognition) forms
The teacher used an optical scanner to grade the multiple-choice exams.
A professora usou um scanner óptico para corrigir os exames de múltipla escolha.
In Brazil, 'scanner óptico' is the predominant term used in both technical and commercial contexts. The technology became widespread in retail and administrative settings during the 1990s and 2000s. In Portugal, the term 'digitalizador' is more frequently used, reflecting the European preference for terms emphasizing digitalization rather than scanning technology itself.
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