| Bar Code Scanner
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| | pen-wand scanner is moved over the bar to
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| Barcode scanners are light emitting hand
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| | read it. General purpose scanners are
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| held devices use to read barcodes. The
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| | generally used at checkout counters and
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| device is attached to computer or laptop
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| | hospitals and are also used to process
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| which stores coded message by the length
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| | identification documents. Certain other
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| and width of the bars and spaces that are
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| | kinds of scanners, like rugged scanners,
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| printed in pattern. It has a code reader
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| | are generally used in harsh or extreme
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| and decoder. The barcode scanners are on
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| | conditions.
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| everything right from the groceries to
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| | The image scanner and laser scanner of
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| auto parts. It is the biggest asset to
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| | the barcode scanner are the one with
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| run a business.
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| | distinguishing features. The image
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| We have been using barcode scanners for
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| | scanner has a camera in it that captures
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| many years and more advanced technology
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| | the barcode images. These bar code images
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| is being introduced to us every year.
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| | are then processed by sophisticated image
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| They are available in different varieties
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| | techniques to decode the barcode.
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| like the hands free, hand held, rugged,
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| | Generally most of the image scanners scan
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| wearable, scan engines, laser or digital.
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| | barcode data from a distance of five to
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| The simplest device is the Pen-wand
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| | ten inches away. In laser scanner lenses
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| scanners which have to be kept in direct
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| | are used to read the bar codes. The
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| contact with the barcode and to be held
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| | application of the laser scanner helps in
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| at précis angle. To read the bars you
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| | reading the barcode placed at any angle.
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| need to move the pen-wand scanner over
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| | The more advanced technology of laser
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| it. The general purpose scanner as the
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| | scanner reads the barcode from the
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| name indicates is used for general
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| | distance of 24 inches. Modern laser
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| purposes, to process identification
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| | scanners have outwit the capacity of
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| documents and checkout counters and
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| | laser scanner by reading the data from
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| hospitals. Other kinds of scanners are
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| | the distance of 30 feet.
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| used in harsh conditions like rugged
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| | Both the scanners are efficient in their
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| scanners.
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| | own way but still have pros and cons in
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| Barcode scanners are available in many
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| | their use. The laser scanner being more
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| different varieties. They can be hand
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| | advanced is more expensive but the lenses
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| held and hands free, wearable, and
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| | of such scanners are more prone to wear
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| rugged, scan engines, laser or digital.
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| | and tear. Whereas the image based scanner
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| Pen-wand scanners are perhaps the
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| | is less expensive but lacks internal
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| simplest types of such devices. They have
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| | movable parts making it less resistant to
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| to be kept in direct contact with the
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| | drops or knocks.
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| barcode and held at a precise angle. A
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