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Recognition Devices

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Character and mark recognition devices are scanners that are able to recognize special characters and marks. Essentially used for certain applications.

Types

MICR (Magnetic Ink Character Recognition):

  • Used by banks to read numbers written on cheque.
  • Special purpose machine reads character made of ink containing magnetized particles.

OCR (Optical Character recognition):

  • Special preprinted characters that can be read by light source and changed into machine readable form.
  • Used in department stores to read retail price tags by reflecting light.

OMR (Optical Mark Recognition):

  • An OMR device senses the presence or absence of a mark such as pencil mark.
  • Used to calculate or store multiple choice tests.

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Tip Box

Benifits

  • Automatic alert and detection.
  • Less number of errors.
  • Saves the time of inspecting.
  • Easy to use and handle.

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