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Bar Code Decoders

About Bar Code Decoders

Bar code decoders use a receiver mechanism to read a barcode and then convert the code into usable data. Bar code decoders can be handheld devices or built-in to a larger system, such as a check-out scanner at a grocery store. Bar code decoders are also used for inventory control, processing sales information, gathering customer data, or monitoring the distribution of products from the factory floor to the warehouse or loading dock.

The type of bar code decoders used most commonly today are called visible laser diode (VLD) scanners or readers. A VLD bar code reader uses a series of lasers to scan and read the product code. The laser diode aims a laser beam onto a series of fixed and rotating mirrors that focus several laser beams onto the bar code. Reflected light from the bar code is processed by photo diodes which convert the physical shape of the black bars in the bar code first into an electrical signal and then into a digital one. Barcode decoders can also use light emitting diodes (LEDs) or be composed of a charge-coupled device (CCD) similar to an image scanner.

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Products & Services Related to Bar Code Decoders

Bar Code Printers
Bar code printers are used to output bar code data in printed form.
Bar Code Scanners
Bar code scanners are designed to read imprinted bar / matrix code symbologies.  Bar code scanners can be slot card scanners, fixed mount scanners, or hand-held scanners.
Bar Code Software
Bar code software identifies or decodes bar code symbology, generates output strings corresponding to barcode values, creates bar code fonts, prints bar codes, and/or performs tracking, etc.
Fixed Mount Bar Code Scanners
Fixed mount bar code scanners are designed to manually or mechanically read items passed by their scan windows. Unlike hand scanners, they are affixed to a single location.
Handheld Bar Code Scanners
Hand held bar code scanners are used typically as inventory or point of sale (POS) devices. These scanners are passed over bar codes manually to read data. They often have a gun or wand design.
Slot Card Bar Code Scanners
Slot card bar code scanners are designed to read imprinted bar code cards that are passed through the aperture on the reader.

Engineering Web: Bar Code Decoders

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Bar Code Decoders Information | Business.com
Bar Code Decoders Home » Directory » Industrial Goods & Services » Machinery & Tools » Industrial Automation » Automated Data Capture »
See Business.com, Inc. Information
Google Directory -...
Microscan - http://www.microscan.com Developer of hands-free automated bar code scanners and decoders for automated systems.
See Google, Inc. Information
Bar Code Primer - Introduction to Barcoding - Worth Data USA
Some bar codes are numeric only, (i.e. UPC, EAN, GS1 DataBar, ITF Interleaved 2 of 5). Some bar codes are fixed length, (i.e. UPC-A is 12 digits,
See Worth Data, Inc. Information
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Part Numbers for Bar Code Decoders

Part # Distributor Manufacturer Product Category Description
2755DH1 PLC Radwell ALLEN BRADLEY Not Provided DECODER DUAL FOR BAR CODE SYSTEM
2755DD4A PLC Radwell ALLEN BRADLEY Not Provided DECODER DUAL FOR BAR CODE SYSTEM
2755DS1A PLC Radwell ALLEN BRADLEY Not Provided DECODER SINGLE FOR BAR CODE SYSTEM
2755DS4A PLC Radwell ALLEN BRADLEY Not Provided DECODER SINGLE FOR BAR CODE SYSTEM
2755DS4AX PLC Radwell ALLEN BRADLEY Not Provided DECODER SINGLE FOR BAR CODE SYSTEM

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