Bar Code Information

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All Devices
Bar Code Information
Commonly used bar codes ........................... 2
Code 2/5 Interleaved ................................. 2
EAN 8 / EAN 13 ........................................ 2
Code 39 ..................................................... 3
Code 93 ..................................................... 4
Code 128 ................................................... 4
UPC ........................................................... 5
EAN 128 .................................................... 5
Codabar .................................................... 5
MSI ............................................................ 6
ITF ............................................................. 6
Code 49 ..................................................... 6
EAN•UCC RSS family ...................................7
RSS-14 ......................................................8
RSS Limited ...............................................9
RSS Expanded ..........................................9
Symbology selection ................................10
EAN•UCC Composite Symbology ...............11
Notes about certain bar code types .............13
EAN 128 and Code 128 ...........................13
Listing of EAN Data designator (DD) numbers ..........................................................14
Notes about bar code application ................17
Quiet zones ..............................................17
Further information sources ........................18
Bibliographical references .......................18
Avery Dennison Barcode University ........18
Index ............................................................19
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Bar Code Information
All Devices
Commonly used bar codes
The following lists the most essential features of several very commonly used
bar codes and the particularities to be observed when printing.
An important criterion for differentiating between bar codes is the width of the
elements. The elements – bars and spaces – are either variable or restricted
to two values – wide and narrow. In the latter case, the width relationship between wide and narrow elements is an important characteristic quantity. This
width relationship is called a ratio.
Ratio
The ratio expresses the relationship in thickness between a narrow and a
wide bar or between a narrow and a wide space. A ratio of 1:2 signifies that
a wide bar – a wide space – is twice as wide as a narrow bar – a narrow
space.
Code 2/5 Interleaved
Each digit is represented by five bars / spaces – two wide ones and three narrow ones. Digits having an odd position number are represented by bars and
those having an even position number by spaces. In this way, two digits can
be printed in an interleaved manner (hence the name) – one digit with bars,
the other with spaces between the bars.
Characters
Numeric (0 to 9)
No. of print places
Even-numbered (2, 4, 6, ...)
¯ Bar code counter fields in Jetmark have a maximum length of 14 places.
Ratio
1:2 to 1:3
1:2.25 to 1:3 if the narrow element is narrower than 0.5 mm.
¯ If a higher ratio is required, the identically constructed bar code ITF with
a ratio of 1:2.5 can be used.
Checksum
Optionally, calculation can take place in Modulo 10.
Other
TTX 300 offline:
Checksum can by switched on or off using the key combination Ctrl+F11.
Pressing the F11 key displays whether the check digit is currently switched
on/off (checksum enabled/disabled).
EAN 8 / EAN 13
Code of the European Article Numbering (EAN) system. The EAN 8
(8 characters) and its wider variation, the EAN 13 (13 characters), have standardised dimensions.
Characters
Numeric (0 to 9)
No. of print places
Always 8 (EAN 8) or 13 (EAN 13) places with checksum in the last position.
Ratio
none
Checksum
Always in the last position; calculation by Modulo 10
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Other
•
EAN codes are assigned by:
– In Great Britain:
Article Number Association UK Ltd. (ANA UK)
11 Kingsway
London WC2B 6AR
Tel. 44-71-240-2912
Fax 44-71-240-8149
– In France:
GENCOD SARL
13 Boulevard Lefèvre
75015 Paris
Tel. 33-1-53-68-05-70
Fax 33-1-45-31-09-50
•
•
Module width at 100%: 0.33 mm
Plain-text line (HRI): Instead of the OCR-B character set specified for this,
Avery/Novexx uses Times Roman, but only on NISTAN (Non Standard
Application) with specification of the bar code size.
Code 39
Code 39 was the first alphanumeric code to be developed. Code 39 derives
its name from the number of characters it was originally able to encode: 39.
Today, the number of characters has been extended to over 43.
Characters
Alphanumeric (0 to 9, 26 letters without umlauts, 7 special characters)
No. of print places
Bar code count fields in Jetmark have a maximum length of 14 places
Ratio
•
•
•
•
•
Checksum
Other
1:2 to 1:3
1:2.25 to 1:3 if the narrow element is narrower than 0.5 mm.
TTX x50:
YB7 = Ratio 1:2, YB16 = Ratio 1:3, YB19 = 1:2.5
TTX 300 Offline (2.04):
YB7 = Ratio 1:2, YB16 and YB19 are not available
TTX 300 Online (3.02):
YB7 = Ratio 1:2, YB16 = Ratio 1:3, YB19 only for the US version of the printer
No clear ratio because several bar intensities are used.
•
•
Specification in accordance with EN 800
C-39 counter field also works with data such as "PL00124"
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Code 93
Code 93 was developed as a completion to Code 39. Each character is represented in Code 93 using 9 modules which can be either black or white.
Simultaneously, every encoded character consists of three bars and three
spaces – Code 93 is thus a (9.3) code, hence the name.
Characters
47 alphanumeric characters (0 to 9, 26 letters without umlauts, 11 special
characters)
No. of print places
Bar code count fields in Jetmark have a maximum length of 14 places
Ratio
No clear ratio because several bar intensities are used.
Checksum
is contained in the bar code but is not visible in the plain-text line; checksum
cannot be switched off
Code 128
Each character is represented in Code 128 by 11 modules which can either
be black or white. Simultaneously, every encoded character consists of three
bars and three spaces – Code 128 is thus an (11.3) code.
Characters
The complete ASCII character set. Actually, Code 128 only has 106 different
(bar) codes. For this reason, as the necessity arises, switching occurs between three different character sets – Code A, Code B and Code C – for each
of which special codes exist.
P Please also read section EAN 128 and Code 128 on page 13.
No. of print places
Bar code counter fields in Jetmark have a maximum length of 14 places.
Ratio
No clear ratio because several bar thicknesses are used.
Checksum
is contained in the bar code but is not visible in the plain-text line; checksum
cannot be switched off
Other
•
When running with Easy Plug (#YB13...), the stop character for CR/LF is
printed additionally at the end of the bar code. This causes the software to
jump to the next input field on scanning in.
•
Append the Easy Plug termination command #G to the bar code command
in order to suppress CR/LF.
•
Switching between subset A, B and C takes place automatically in such a
way that the bar code is as short as possible.
•
Subset C can only encode numbers and here the number of places must be
even. If only numbers are sent and if the number of places is even, Avery/
Novexx printers print in subset C.
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UPC
The Universal Product Code is the US-American counterpart of the European
Article Numbering Code (EAN). UPC and EAN are compatible.
In UPC, each character is represented by 7 modules which can be either
black or white. Simultaneously, every encoded character consists of two bars
and two spaces – UPC is thus a (7.2) code.
Characters
Numeric (0 to 9)
No. of print places
Bar code counter fields in Jetmark have a maximum length of 14 places.
Ratio
No clear ratio because several bar intensities are used.
Checksum
Modulo 10, weighting 3/1
EAN 128
Corresponds to Code 128 with double start characters for Code A, B or C.
Characters
•
•
Alphanumeric, complete ASCII character set (0...,255)
Can print all characters, even <20H. Required parameter setting:
– IFAC > <20H = NO, respectively
– SYSTEM PARAMETERS > Character filter = „All characters“
No. of print places
Bar code counter fields in Jetmark have a maximum length of 14 places.
Ratio
No clear ratio because several bar intensities are used.
Checksum
Calculated by Modulo 10, cannot be switched off.
Other
•
•
•
•
Switching between subset A, B and C takes place automatically.
Function code <FNC1> is also transmitted automatically.
Consecutive numbers possible.
EAN codes are assigned by:
P Refer to section EAN 8 / EAN 13 on page 2.
P Please read in paragraph EAN 128 and Code 128 on page 13 “ for practical
advices on using this bar code type with Easy Plug.
Codabar
Characters
Ratio
Numeric with special characters (0 to 9, -, $, :, /,., +)
•
•
Checksum
Other
1:2 to 1:3
Avery/Novexx printers: 1:2
Calculation by Modulo 16
•
•
Specification: EN 798
Codabar is not available in Jetmark 16.
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MSI
The modified Plessey Code (pulse-width modulated) from MSI Data Corporation.
Characters
Numeric (0 to 9)
No. of print places
14 characters including checksum
Ratio
none
Checksum
Calculation by Modulo 10
Other
Easy Plug: #YB-14
ITF
ITF stands for Interleaved Two Five, ITF thus corresponds with Code 2/5 interleaved.
Characters
Numeric (0 to 9)
No. of print places
Even-numbered (2, 4, 6,...)
Ratio
•
•
1:2.5 (in accordance with specification), size-dependent.
An odd-numbered ratio would require the printing of half dots. This is why
rounding takes place: 1:2.5 => 1:3
In the case of threefold magnification: 3:7.7 => 3:8
Checksum
Calculation by Modulo 10 can be switched on/off
Other
ITF 8: 8 places
ITF 14: 14 places
Code 49
Specification
Uniform Symbology Specification Code 49 (ANSI/AIM-BC6-2000)
Characters
All ASCII characters (128) .
Codable
characters
Easy Plug
•
•
2 rows: 9 alphanumerical or 15 numerical characters
8 rows: 49 alphanumerical or 81 numerical characters
Command #CFN
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All Devices
EAN•UCC RSS family
The RSS (Reduced Space)-symbology is a new code family of linear symbols
for very small components (f.e. health care, electronic and tele communication components), which need additional data for unique identification. The
RSS family contains following 3 symbologies:
•
•
•
RSS-14™
RSS-Limited®
RSS-Expanded®
They are devided into mutations.
Features of the
RSS family
Features of the RSS family:
•
Barcode type
RSS is a consecutive, linear barcode symbology, which can be read in both
directions. A quiet zone is not required.
•
Symbol character structure
Different symbol characters (n,k) are used for each mutation of the RSS family, Whereas every symbol character consist of n modules within the width
with k bars and gaps. Symbol characters can be border characters, search
patterns or check characters.
•
Data character
The data characters don’t comply with the coded data.To increase the codability, several thousand possibilities for data coding are available. They’re based on mathematical combinations.
•
Concatenation characters
All RSS symbols contain a concatenation character, which is the first data
character coded in a symbol. If the concatenation character is 0, then the
RSS symbol is alone. If the concatenation character is 1, then a 2D component is printed above the RSS symbol.
•
Encrypted character set
– RSS-14 versions and RSS Limited: digits 0 to 9. Limitation for RSS Limited:
Only 0 or 1 is allowed at the fist position (indicator).
– RSS Expanded: a subset of table 1 international standard ISO\IEC 646
contained characters. Constists of upper and lower case characters, digits
and 20 selected special characters, supplemented with the function
character FNC1.
•
Maximum numeric data capacity
– RSS-14 versions and RSS Limited: 14 digit nummeric identification.
– RSS Expanded: 74 nummeric or 41 alphanummeric characters.
•
Data compression
Every kind of the RSS family (RSS-14, RSS Limited, RSS Expanded use an
own optimized compression method. RSS Expanded is additionally optimized for specific data element consequences, which are used very often.
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RSS-14
RSS-14 supports the complete representation of the 14 digit EAN article
number. Every symbol size is maller than the appropriate EAN-13 and UPCA symbol size and supports a special concatinaten character. There are 4
versions available.
RSS-14, RSS-14 Truncated (height reduced), RSS-14 Stacked (stacked)
und RSS-14 Stacked Omnidirectional (direction and position independant
readable). All 4 versions encode the data in the same manner, but are aligned respectively to special space and read conditions. Each symbol of the
RSS-14 family contains 4 data characters and 2 search patterns. The 2 search patterns together encode the calculated modulo 79 check digit. The left
and the the right border character of the symbol consist of a small bar and a
small gap. RSS-14 needs no quiet zone. Each of the RSS14 symbols can be
scanned and decoded in 4 segments, which are adjacent composed again.
Thus the omnidirectional scanning is enabled.
RSS-14
The RSS-14 was developed for units, which have to be read in omnidirectional scanning environments. The dimensions are 96X in the width, starting
with a 1X wide gap and ending with a 1X wide bar. The height is 33X. X correspond to the width of a module.
Fig. 1:
Examples of a RSS-14 (left side) and a RSS-14 Stacked (right side).
RSS-14
Truncated
The RSS-14 Truncated is a height reduced version of the RSS-14. The barcode isn’t omni directional readable. The dimensions are 96X in width and
13X in height. X correspond to the width of a module.
RSS-14 Stacked
The RSS-14 Stacked is a height reduced, two rows version of RSS-14, developed for small volume units, which can not be scanned with omni directional scanners. The dimensions are 50X in width and 13X in height, inclusive
of a 1X high separation pattern between the both rows. X correspond to the
width of a module.
RSS-14 Stacked
Omnidirectional
The RSS-14 Stacked Omnidirectional is a two rows version of RSS-14 with
a standard size, which was developed to be readable in omni directiona scanning environments. The dimensions are 50X in width and 69X in height, inclusive of a 3X high separation pattern between the both rows. X correspond to
the width of a module.
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Fig. 2:
Example of a RSS-14 Stacked Omnidirectional.
RSS Limited
The RSS Limited was developed for identification of small products. The 14
digit EAN article identification can be coded. The RSS Limited codes the 14
digit EAN identification without the data identifier (DB) “01”. Only a 14 digit
EAN with a “0” or a “1” at the first position from left (indicator) can be used.
The RSS Limited can’t be used for EAN number structures with an identicator
greater than 1, but a code from the RSS 14 has to be used. A RSS Limited
symbol contains two data and and one check character, which is calculated
with modulo 89. The left and right border character of the symbol consists of
a small bar and a small gap. The RSS Limited needs no quiet zone.
The RSS-14 Limited was developed for low quantity units and isn’t readable
omni directional.The dimensions are 74X in width and 69X in height, starting
with a 1X wide gap and ending with a 1X wide bar, and 10X in height. X correspond to the width of a module.
Fig. 3:
Example of a RSS Limited.
RSS Expanded
The RSS Expanded family can encode all data elements of the EAN128 data
identifier standard.
The RSS Expanded and RSS Expanded Stacked allowes to encode up to 74
numeric or 41 alphanumeric characters. These symbols support a special
concatenation character, which indicates that a 2D composite component is
present. The RSS Expanded symbols can be read omni directional. The RSS
Expanded has 2 mutations: with stacked and not stacked symbols.
RSS Expanded symbols contain a check character and has dependant from
symbol length, 3 to 21 data characters and 2 to 11 search patterns. The value
of the check character is calculated with a modulo 211 algorithm. The left and
the right border character of the symbol consist of a small bar and a small
gap. RSS Expanded needs no quiet zone. RSS Expanded symbols can be
scanned and decoded in 11 segments, which are adjacent composed again.
Thus the omni directional scanning is enabled.
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RSS Expanded
The width of RSS Expanded is variable. The range is from 4 to 22 symbol
characters or from 102X to 534X in width and 34X in height. The symbol
starts with a 1X wide gap and ends either with a 1X wide bar or a 1X wide
gap. X correspond to the width of a module.
Fig. 4:
RSS Expanded
Stacked
Example of a RSS Expanded.
The RSS Expand Stacked is a multi row stacked version of RSS Expanded.
This symbol can be printed in widths from 2 to 20 segments and can have 2
to 11 on top of each over stacked rows. There is a 3X high separation pattern
between the rows. RSS Expanded stacked is used, if the symbol range or the
print technology isn’t suited for the (one row) RSS Expanded symbology.
Symbology selection
Each application of RSS has to be considered to the world wide valid EAN
UCC application guidelines. RSS wasn’t developed to replace other EAN
UCC symbologies. Applications which can be satisfying covered with EAN/
UPC or UCC/EAN 128, shouldt be also used with these symbologies for the
future. If RSS is used with units, which are read from omni directional slot
scanners, RSS-14, RSS-14 Stacked Omnidirectional, RSS Expanded or
RSS Expanded Stacked shouldt be used. If only one EAN article number with
data identifier DB “01” is encoded, either RSS-14 or RSS-14 Stacked Omnidirectional shouldt be used. The decision for one of these symbols depends
on the available area. If additional data elements are required or an other
data element than the EAN article number with the data identifier DB “01” is
used for the primary identification, the RSS Expanded or RSS Expanded
Stacked has to be used. The selection of one of these both symbol depends
on the print head width and the available area. If RSS shouldt be used on
small units, which need no omni directional reading, RSS-14 Stacked, RSS
Limited or RSS-14 Truncated are advised. RSS Limited can’t be used to encode a EAN-14 number structure with an indicator value greater than 1.
Otherwise RSS-14 or RSS-14 stacked has to used.
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EAN•UCC Composite Symbology
The EAN•UCC Composite Symbology merge as well a linear EAN•UCC
symbol as a 2 dimensional component. The linear component can be one of
the following symbologies.
•
•
•
EAN/UPC-Symbology (EAN-13, EAN-8, APC-A, UPC-E)
Reduced Space Symbology (RSS) family
UCC/EAN 128
The 2D Composite Component (CC) is selected because of the linear component and the amount of characters which shouldt be encoded.
Follwing mutations exist:
•
•
•
CC-A , a variation MicroPDF417 with up to 56 numbers
CC-B , a MicroPDF417 symbol with new encoding rules and up to 338
numbers
CC-C , a PDF417 symbol with new encoding rules and up to 2361 numbers
Linear component
CC-A/CC-B
CC-C
UPC-A and EAN13
Yes (4 columns)
No
EAN 8
Yes (3 columns)
No
UPC-E
Yes (2 columns)
No
UCC/EAN 128
Yes (4 columns)
Yes (variable
width)
RSS-14
RSS-14 Truncated
Yes (4 columns)
No
RSS-14 Stacked
RSS-14 Stacked Omnidirectional
Yes (2 columns)
No
RSS Limited
Yes (3 columns)
No
RSS Expanded
Yes (4 columns)
No
[Tab. 1]
List of all combinations of linear EAN•UCC symbols with a 2D Composite
Component.
Symbol
Characteristic
Omnidirection Stacked
al readable
Additional
Very small
informations symbol
RSS-14
Yes
No
No
No
RSS-14
Truncated
No
No
No
Yes
RSS-14 Stacked No
Yes
No
Yes
RSS-14 Stacked Yes
Yes
No
No
RSS Limited
No
No
No
Yes
RSS Expanded
Yes
No
Yes
No
RSS Expanded
Stacked
Yes
Yes
Yes
No
[Tab. 2]
Features overview of Reduced Space symbol formats with a 2D Composite
Component.
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Symbol
Characteristic
2D Composite
Component
[Tab. 2]
Omnidirection Stacked
al readable
Additional
Very small
informations symbol
No
Yes
Yes
Yes
Features overview of Reduced Space symbol formats with a 2D Composite
Component.
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Notes about certain bar code types
EAN 128 and Code 128
#YB15
By giving the bar code command #YB15 (= EAN 128), the function code
<FNC1> required after the start character is automatically generated and
must not be specifically entered.
Every coded data contents must be preceded by its data designator number.
P Refer to in paragraph Listing of EAN Data designator (DD) numbers on
page 14 for detailed information.
Data contents of variable length must always be terminated by entering
<FNC1> (including the brackets). Exception: the last data contents does not
require the termination character.
Example
EAN 128 with 3 data designators
#YB15//////010541234567890810659344<FNC1>211678
01 = EAN article number (fixed length)
10 = Charge number (variable length)
21 = Serial number (variable length)
<FNC1>,
<FNC4>
<FNC2>
are available for specifically defining the bar code scanner.
<FNC3>
(Initialisation):
The bar code scanner interprets the data of the symbol which contains the
<FNC3> character as an instruction for initialising or reinitialising the bar
code scanner. The symbol data is not transmitted by the bar code scanner.
<FNC3> can appear at any position in the symbol.
Subsets A, B, C
The 64-xx bar code library contains four versions of code 128 which differ in
the characters they use (refer to the table).
(Information reference):
<FNC2> temporarily stores the symbol data which contains the <FNC2> character in the bar code scanner, and transfers it to the next data symbol. This
can be used to line up different symbols before they are transferred. <FNC2>
can appear at any position in the symbol.
Easy Plug
Number
Bar code
Subset
15
EAN 128
13
Code 128
24
Code 128 A
Changes automatically between the subsets A,
B and C in order to achieve a possibly short
bar code.
Changes automatically between the subsets A,
B and C in order to achieve a possibly short
bar code.
Subset A
25
Code 128 B
Subset B
26
Code 128 C
Subset C
[Tab. 1]
Every Subset of EAN 128 / Code 128 matches with an Easy Plug bar code number.
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¯ Please keep to the following rules, when using EAN 128 / Code 128 with
Easy Plug:
•
•
The bar code data has to be terminated with #G.
•
Data designator 00 (Serial Shipping Container Code):
Always enter all 18 digits including the check digit after this designator. The
printer always calculates and replaces the check digit automatically. This
enables an automatic numbering of the serial shipping container code. The
offset value has to consider all characters placed on the right side of the
increment digit position.
Example: #YB15/0B/2/3/10000/1/(00)340123451234587873(10)Charge1#G
•
Data designator 01 (EAN-No.):
Always enter all 14 digits including the check digit after this designator. The
printer doesn´t check or modify the check digit.
When using data designators with a variable field length, the field must be
closed by <FNC1>.
Exception: The field is placed at the bar code end.
Listing of EAN Data designator (DD) numbers
DD
Data content
Format*
00
Serial shipping container code
n2+n18
01
EAN number
n2+n14
02
Reserved for: „EAN-number of goods contained wi- n2+n14
thin another unit“.
10
Lot number / Batch number
n2+an..20
Manufacturing date (JJMMTT)
n2+n6
13**
Packing date (JJMMTT)
n2+n6
15**
„Best before“ date (JJMMTT)
n2+n6
17**
Expiration date (JJMMTT)
n2+n6
20
Product variant
n2+n2
21
Serial number
n2+an..20
22
Reserved for: „HIBCD-quantity, date, batch and
link“.
n2+an..29
23
Reserved for: „Lot Number (transitional use)“
n3+n..19
30
Amount in pieces (trade unit with variable amount) n2+n..8
310***
Netweight, kilogram (trade unit with variable
amount)
n4+n6
311***
Length or 1st dimension (trade unit with variable
amount)
n4+n6
312***
Width, diameter or 2nd dimension, meter (trade unit n4+n6
with variable amount)
313***
Height or 3rd dimension (trade unit with variable
amount)
[Tab. 2]
Listing of EAN data designators.
11
**
n4+n6
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DD
Data content
Format*
314***
Area, square meters (trade unit with variable
amount)
n4+n6
315***
(Net) volume, liter (trade unit with variable amount) n4+n6
316***
(Net) volume, cubic meter (trade unit with variable
amount)
n4+n6
320***
Reserved for: „Netweight, (engl.) pounds“
n4+n6
330***
Gross weight, kilogram
n4+n6
331***
Length or 1st dimension, meter
n4+n6
332***
Width, diameter or 2nd dimension, meter
n4+n6
333***
Height or 3rd dimension, meter
n4+n6
334***
Area, square meter
n4+n6
335***
(Gross) volume, liter
n4+n6
336***
(Gross) volume, liter
n4+n6
340
Reserved for: „Gross weights, (engl.) pounds“
n4+n6
37
Reserved for: „Quantity“
n2+n..8
400
Order number of the consignee
n3+an..30
410
n3+n13
411
n3+n13
412
n3+n13
420
n3+an..9
421
n3+n3+an..9
8001
Reel product, -width, length, inner diameter, reel di- n4+n14
rection, splices
8002
Reserved for „Electronic Serial Number for Cellular n4+an..30
Mobile Telephones“
90
Internal and/or bilateral coordinated applications
n2+an..30
91
Internal - raw material, packaging, components
n2+an..30
92
Internal - raw material, packaging, components
n2+an..30
93
Internal - manufacturer
n2+an..30
94
Internal - manufacturer
n2+an..30
95
Internal - carrier (consignment note etc.)
n2+an..30
96
Internal - carrier (consignment note etc.)
n2+an..30
97
Internal - wholesale and retail trade
n2+an..30
98
Internal - wholesale and retail trade
n2+an..30
99
Bilateral coordinated texts
n2+an..30
[Tab. 2]
(Cont.)Listing of EAN data designators.
*. First position = length (no. of characters) of the data designator, following position =
data format (Table 3 on page 16).
**. Fill TT with „00“, if only year and month shall be considered.
***.The fourth digit indicates the no. of decimal places. Examples: 3100 = net weight in
kg without decimal place. 3102 = net weight in kg with two decimal places.
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Acceptable data
format
a
alphabetical character
n
numerical character
an
alphanumerical character
a3
3 alphabetical characters, fixed data field length
an3
3 alphanumerical characters, fixed data field length
n3
3 numerical characters, fixed data field length
a..3
up to 3 aalphabetical characters
n..3
up to 3 numerical characters
an..3
up to 3 alphanumerical characters
[Tab. 3]
Abbreviations of the acceptable data formats.
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Notes about bar code application
Quiet zones
Quiet zones are bright, blank areas on the right and left side of the bar code
(in reading direction). They are necessary for error-free reading.
Z0160.cdr
Ruhezonen / Quiet zones
Fig. 5:
Measures
Quiet zones are important for error-free bar code reading.
The following typical values apply to quiet zones:
•
Scanner with average depth-of-focus:
10x the module width of one element, at least 2.5 mm.
•
Scanner with high depth-of-focus:
15x the module width of one element, at least 6.5 mm.
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Further information sources
Bibliographical references
P You can find detailed information on bar codes in the following books, among
others:
– Palmer, Roger C.: The Bar Code Book, Helmers Publishing Inc.,
Petersborough, 1989, ISBN 0-1911261-02-8
– Rosenbaum, Oliver: The Bar code Encyclopaedia (“Das BarcodeLexikon”), bhv Verlags GmbH, Kaarst, 1997, ISBN 3-89360-948-2
Avery Dennison Barcode University
P For detailed Information about bar codes, further bibliographical references
and Internet links, refer to the followint Internet page:
http://www.machines.averydennison.com
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All Devices
Index
B
I
Bar 13
Bar code
Info EAN 128 and 128 13
C
Codabar 5
Code 128 4
Code 2/5 Interleaved 2
Code 39 3
Code 93 4
Composite Symbology 11
D
Data formats 16
E
EAN 2
EAN 128 5
EAN Data designator (DD) numbers 14
Easy Plug bar code number 13
European Article Numbering 2
ITF 6
M
MSI 6
R
Ratio 2
RSS 7
RSS Expand Stacked 10
RSS Expanded 9
RSS Limited 9
RSS-14 8
RSS-14 Stacked 8
RSS-14 Stacked Omnidirectional 8
RSS-14 Truncated 8
S
Subsets, 13
U
Universal Product Code 5
UPC 5
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