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2D Barcodes and Mobile Tagging. TA: Hend AlHedaithy. What is barcode?.

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2d barcodes and mobile tagging

2D Barcodes and Mobile Tagging

TA: HendAlHedaithy

What is barcode
What is barcode?

  • A barcode is an optical machine-readable representation of data relating to the object to which it is attached. Originally barcodes systematically represented data by varying the widths and spacings of parallel lines, and may be referred to as linear or one-dimensional (1D).

What is barcode1
What is barcode?

  • Barcodes were not commercially successful until they were used to automate supermarket checkout systems, a task for which they have become almost universal.

  • Their use has spread to many other tasks that are generically referred to as automatic identification and data capture (AIDC).

2d barcode
2D Barcode

  • Later, barcodes evolved into rectangles, dots, hexagons and other geometric patterns in two dimensions (2D). Although 2D systems use a variety of symbols, they are generally referred to as barcodes as well.

Barcode reader
Barcode Reader

  • Barcodes originally were scanned by special optical scanners called barcode readers.

  • Barcode reader is an electronic device for reading printed barcodes. It consists of a light source, a lens and a light sensor translating optical impulses into electrical ones. Additionally, nearly all barcode readers contain decoder circuitry analyzing the barcode's image data provided by the sensor and sending the barcode's content to the scanner's output port.

Barcode reader1
Barcode Reader

  • later, scanners and interpretive software became available on devices including desktop printers and smartphones.

Barcode use
Barcode Use

  • Barcodes have become a ubiquitous element of modern civilization, as evidenced by their enthusiastic adoption by stores around the world. Almost every item from a grocery store, department store, and mass merchandiser has a barcode on it.

  • This helps track items and also reduces instances of shoplifting involving price tag swapping.

Barcode use1
Barcode Use

  • They are widely used in the healthcare and hospital settings, ranging from patient identification (to access patient data, including medical history, drug allergies, etc.) to creating SOAP Notes.

  • They can also be used to keep track of objects and people; they are used to keep track of rental cars, airline luggage, registered mail, express mail and parcels. Barcoded tickets allow the holder to enter sports arenas, cinemas, theatres, fairgrounds, and transportation, and are used to record the arrival and departure of vehicles from rental facilities, etc.

Barcode use2
Barcode Use

  • Some 2D barcodes embed a hyperlink to a web page. A capable cellphone might be used to read the pattern and browse the linked website.


Create a tag barcode for your personal use and share it with your friends.

You are encourage to be thoughtful and creative when doing this and produce new ideas for using tags.

Links to help you
Links to Help You

  • How to generate a Microsoft Tag microsoft.com/tag/

  • How to create a custom 2D tag mediadl.microsoft.com/mediadl/www/t/tag/CreatingCustomTags.wmv

  • How to download a reader gettag.mobi/