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1. Enter
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Right click each barcode to save to local.
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Barcode Technology - EAN-13
Barcode
Hide the description |
EAN-13 is unique identifiers
(barcodes) used to identify new,
branded products sold at retail.
The products contain
the EAN number or GTIN (Global
Trade Item Number) to identify
itself. |
Valid characters:
0123456789 |
EAN-13 is one of the many
barcode formats currently in
use. |
A Barcode is a method of
representing data in a visual,
machine-readable form. |
The barcode formats has two
categories: |
One-dimensional (1D) ---
Barcodes represented data by
varying the widths and spacings
of parallel lines. |
Two-dimensional (2D) --- Using
rectangles, dots, hexagons and
other geometric patterns to
represented data. |
EAN-13 is 1D barcode.
GTIN-13 number encoded
in EAN-13 barcode. The
first digit is always
placed outside the
symbol; additionally a
right ">" indicator is
used to indicate a
"Quiet Zone" that is
necessary for barcode
scanners to work
properly.
EAN-13 has 12 digits and
1 check digit. |
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EAN - European Article Number,
but is now referred to as The
International Article Number. It
is a standard
describing abarcode symbology and numbering
system used in global trade to
identify a specific retail
product type, in a specific
packaging configuration, from a
specific manufacturer. EAN
barcodes are used worldwide for
lookup at retail point of sale,
each retail product has its
unique EAN-13 number. |
EAN barcodes only represent the
digits 0–9, it cannot represent
other characters. |
The most commonly used EAN
standard is the thirteen-digit
EAN-13, the less commonly used
8-digit EAN-8 barcode
was introduced for use on small
packages, where EAN-13 would be
too large. 2-digit EAN-2 and
5-digit EAN-5 are supplemental
barcodes, placed on the
right-hand side of EAN-13 or UPC.
These are generally used for
periodicals like magazines or
books, to indicate the current
year's issue number; and weighed
products like food, to indicate
the manufacturer's suggested
retail price. |
The 13-digit EAN-13 number
consists of four components:
** GS1 prefix - 3 digits
The first three digits of the
EAN-13 identify the GS1 Member
Organization which the
manufacturer has joined (not
necessarily where the product is
actually made). Each
manufacturer by the numbering
authority indicated by the GS1
Prefix. Some EAN-13
codes which beginning with 0 are
actually 12-digit UPC codes with
prepended 0 digit.
** Manufacturer code -
variable length
The manufacturer code is a
unique code assigned to each
manufacturer. EAN-13 uses
"variable-length manufacturer
codes". Assigning fixed-length
5-digit manufacturer codes,
means that each manufacturer can
have up to 99,999 product codes.
In the publishing industry( ISBN
and ISSN), this component is
used to identify the language in
which the publication was issued
and managed by a transnational
agency covering several
countries.
** Product code - variable
length
The product code is assigned by
the manufacturer. The product
code immediately follows
manufacturer code. The total
length of manufacturer code plus
product code should be 9 or 10
digits depending on the length
of country code (2-3 digits). In
ISBN, ISMN and ISSN, it uniquely
identifies the publication from
the same publisher.
** Check digit
The check digit is an additional
digit, used to verify that a
barcode has been scanned
correctly. It is computed modulo
10, where the weights in the
checksum calculation alternate 3
and 1. In particular, since the
weights are relatively prime to
10, the EAN-13 system will
detect all single digit errors.
It also recognizes 90% of
transposition errors (all cases,
where the difference between
adjacent digits is not 5). |
Calculation of checksum digit
The checksum is calculated as
sum of products - taking an
alternating weight value (3 or
1) times the value of each data
digit. The checksum digit is the
digit, which must be added to
this checksum to get a number
divisible by 10 (i.e. the
additive inverse of the
checksum, modulo 10). See
ISBN-13 check digit calculation
for a more extensive description
and algorithm. The Global
Location Number(GLN) also uses
the same method. |
Human Readable:
Most barcodes display their
corresponding values below them,
which makes it possible to human
read and manually enter
the barcode values into the
equivalent system when the
barcode label is worn out and
cannot be read by the barcode
scanner. |
The different of EAN and UPC
(Universal Product Code):
They are both Global Trade Item
Numbers (GTINs), with the
difference being UPCs are one
digit shorter (12) and are more
commonly used in the United
States and Canada. |
Advantages:
It's not required to label all
articles with the price. The
price is stored in the database
and can be accessed via the
barcode number. There is no need
to manually calculate the price
of the product. You only need to
use the POST system to scan the
EAN barcode on each product
purchased by a customer. Because
each product has its own unique
EAN number, the POST system can
get the corresponding price of
each product in the database and
calculate the total amount. It
is fast and safe because there
is no way to make a mistake.
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History:
In 1977 the EAN code was used by
12 countries (all the countries
of the European Community).
Today, use of the EAN code has
spread to all west European
countries, USA, Canada,
Australia and Japan. Today the
EAN is called GTIN (Global Trade
Item Number). |
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