optical reader


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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.

optical reader

An input device that recognizes typewritten or printed characters and barcodes and converts them into their corresponding digital codes. See OCR, scanner and Amazon Wand.
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These microtags are embedded with customizable spectral data that are read by TruTag's optical readers and can reveal product intelligence about high-volume, high-value items such as consumer goods, food packaging, industrial and automotive parts, and electronic components.
TruTag microtags are dust-sized particles made of silicon dioxide that are embedded with customizable spectral data that are read by TruTag's handheld optical readers and can reveal product intelligence about high-volume, high-value, items such as pharmaceuticals, electronic components, industrial parts, fast-moving consumer goods and food packaging.
Gemalto (Euronext NL0000400653 GTO), a digital security provider, has announced that it has launched an optical reader for online banks.
This is particularly useful because information from a scanned and captured document--say an invoice or a check--can be recognized by an optical reader as letters, numbers and symbols and then processed by a computer.
TruTag Technologies has introduced its new portable optical reader that can authenticate solid oral dose medicines marked with the TruTag microtag solution.
The lacquer can be applied to the hologram on any layer; ie given that most surface relief holograms are produced on a thermopolymer substrate (such as PET or OPP), which is coated with an embossing lacquer, metallised and coated again for protection, Secutag can be applied as a spot or overall varnish on or between any of these layers, although any covering layer needs to be transparent so Secutag can be examined with an optical reader.
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.
For reading purposes, an optical reader has an identical Optikey interference structure.

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