Barcode is one of the technologies to automatically identify and collect data on objects that are products, services, organizations or locations … based on assigning a code (or digit) for the object needs delineation and display the code in the form of a barcode so that the device (scanner) can read it.
A barcode is an array of alternating parallel lines and spaces arranged according to a certain coding rule to represent codes (or alphanumeric data) in a readable scanner format.
Below the barcode is the corresponding sequence of codes.
The barcode is printed directly on the objects to be managed such as trade items, articles, and goods boxes for delivery/transport.
Types of GS1 Barcode:
Types of GS1 code include:
– Global location number GLN;
– Global trade item number GTIN;
– Serial Shipping Container Code SSCC;
– Global Returnable Asset Identifier GRAI & Global Individual Asset Identifier GIAI;
– Global Service Relation Number GSRN;
– Global Document Type Identifier GDTI;
Types of barcodes representing GS1 code types include:
– Barcode represents global trade item number: EAN 8, EAN 13, ITF 14;
– Barcode represents other types of codes as GS1-128 barcodes;
– In addition, there are area reduction codes: databar, QR code…
Each type of barcode is designed to be applied only to a specific object so it cannot be unified into one.
How to read barcode
How to read code: The structure of the most popular global trade item number in Vietnam is 13-digit GTIN 13 code. When reading this code, we read from left to right in the following order:
– The first three digits 893 represent the GS1 Country Code, which is administered by GS1 Organization and issued to Vietnam;
– The next four, five, six or seven digits represent the Enterprise Identification Number, which is administered by GS1 Vietnam and issued to organizations using GS1 number;
– The next five or four or three or two digits represent Item Identification Number, which is administered by organizations using GS1 number and issued to their items.
– The last digit represents the Check Digit (calculated from the preceding twelve digits according to GS1’s specified algorithm).
How to read a barcode: Use a barcode scanner
