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optical reader

   Also found in: Acronyms, Wikipedia 0.01 sec.
optical reader
An input device that recognizes typewritten or printed characters and bar codes and converts them into their corresponding digital codes.
optical reader [′äp·tə·kəl ′rēd·ər]
(computer science)
A computer data-entry machine that converts printed characters, bar or line codes, and pencil-shaded areas into a computer-input code format.


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12 mins LESSON 17 review, optical font, optical reader, page reader, MICR, MICR reader, hand-writing optical reader, audio response units, review, analog-digital, analog converter.
Glass scale systems employ optical readers that scan the gradients of etched chromed glass scales as machine slides move.
This system uses numbers, which appear on the electronic panel, to identify the type of problem; for example, a flashing "0" means that the level probe is not working, a flashing "1" indicates that the optical reader is broken or the signal has been an interrupted; and a flashing "2" means there is a problem with the temperature probe.
 
 
 
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