谁能告诉我EAN码 UPC码 和RFID无线射频识别技术之间的 关系_百度知道
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谁能告诉我EAN码 UPC码 和RFID无线射频识别技术之间的 关系
我有更好的答案
EAN码 UPC码是条形码标准
采用光电识别 利用条形码双色的色差光电感应不同来识别RFID是无线射频识别,利用电磁感应方式识别标签里面的信息
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等待您来回答EAN码 和UPC码的区别_百度知道
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EAN码 和UPC码的区别
超市中对货物的编码 但详细想知道 两个者的区别
　　两种条形码虽然只能表示0到，十个数字，但具有高度的查核能力，扫描操作简单可靠。　　(1)UPC条形码。UPC条形码是由美国和加拿大共同组织的“统一编码委员会”（Universal Code Council, UCC ）选定以IBM公司提出的 Dalta-Distance为基础而通过的。UPC码（Uniform Product Code）作为美、加产品统一的标识符号。　　(2)EAN条形码。EAN条形码是欧共体的“欧洲物品编码协会”（European Article Numbering Association ,EAN）吸取了UPC的经验而确立的物品标识符号。该协会于1977年改名为“国际物品编码协会”（InternationalArticle Numbering Association）。迄今为止，使用EAN条形码的该协会成员国已有数十个，除欧洲外，亚洲许多国家也使用此码，我国于1991年7月参加该协会。　　由于国际上存在这两种编码系统，因此，我国产品销往美国，加拿大应使用UPC码，而出口到其他国家和地区则需使用EAN码。　　UPC和EAN两种条形码虽同属一个类型，但由于EAN码是在UPC码基础上形成的，而且有所发展和创新，所以，在技术上EAN系统的光电阅读器可以阅读UPC系统的条码，而UPC系统的光电阅读器却不能阅读EAN码。该两种条形码的构成如下：　　(1)UPC的构成。由11位数字的通用产品代码和1位校验码组成。产品代码的第1位数字为编码系统字符；中间5位数字表示制造商号，后5位数字为产品代码。　　(2)EAN码的构成。由代表12位数字的产品代码和1位校验码组成。产品代码的前3位为国别码；中间4位数字为制造商号；后5位数字为产品代码。友EAN码的国别码由EAN总部分配管理。我国的国别代码为690。制造商号代码由EAN在各国的分支机构分配管理。我国由“中国物品编码中心”统一分配企业代码。产品代码由制造商根据规定自己编制。
采纳率：83%
EAN码是欧洲的标准，在亚洲等也广泛应用， UPC是美国的，主要在北美地区使用。
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&& GS1 UPC / EAN Barcode User Manual
Related Information:
GS1 UPC/EAN Barcode Font User Manual
IDAutomation's UPC/EAN Barcode Font Advantage Package is an advanced
font product with encoders, macros and source code that uses a single font
file to create UCC-12, UPCA, UPCE, EAN8, EAN13, JAN, ISBN and Bookland
barcodes. This font meets GS1, ANSI, ISO and IEC 2000 specifications
Other UPC/EAN Products ---
.NET Windows Forms Control
ASP.NET Server Control
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.NET Compact Framework
UPC / EAN Barcode Implementation Guidelines
Font Size and Print Quality
The UPC / EAN barcode font characters are all contained in a single
font represented in several different heights. IDAutomation's UPC /
EAN barcode fonts were created according to the latest GS1, UCC, EAN
and ISO/IEC 15420 standards so that the nominal size is achieved when
printed at 16 points (or 18 points for 203 DPI printers). Because the
standards allow a magnification factor of .8 to 2.0, the fonts may be
printed as small as 12 points and as large as 32 points. For best results,
these fonts should be printed at the largest point size
and height possible in this range. When using a printer with less than
600 DPI, only certain font sizes may be used as defined in the
Font Height
Fonts with &S& in the name are &shortened height& fonts that are
below what the UCC recommends. However, IDAutomation has observed these
shorter symbols used with UPC-A and UPC-E barcodes. Fonts with &M& in
the name are medium height fonts and are recommended for printing EAN-8
and UPC-E barcodes. Fonts with &L& in the name are the largest with
a height of approximately 22mm when printed at 16 points and are recommended
for printing UPC-A and EAN-13 barcodes.
Quiet Zone
IDAutomation recommends a quiet zone approximately 3 times the thickest
bar in the barcode, or about 12 times the X dimension. The minimum
quiet zones according to ISO specifications are as follows:
Barcode Type
Left Quiet Zone
Right Quiet Zone
Quiet zones are automatically set with the correct spacing when using
IDAutomation's , including the . If necessary to maintain the quiet zones during graphic
design where images may overlap the symbol generated, the greater-than
and less-than symbols may be used as defined in
GTIN Compliance
To be fully GTIN (Global Trade Item Number) compliant, all UPC and
EAN numbers should be stored in databases as 14-digit numbers and filled
in with zeros for the spaces to the left. For example, a UPC-A barcode
would be represented as 12 in the database
of a GTIN-compliant system. When encoding complete GTIN-14 numbers,
may be used. This symbology may be used in all retail checkout systems
Barcode Type
GTIN Storage
<span style="color:#0000????????
<span style="color:#?????????????
<span style="color:#????????????
<span style="color:#????????????
??????????????
Human-Readable Variation
Fonts that exclude the normal human-readable characters are provided
in this package to support the printing of the human readable variation
according to ISO/IEC
Figure E.3. With this type of implementation,
the digit &N& located at character &Z& may be used with the font names ending
with the letter &n.& Additionally, a separate custom field must be placed
below the symbol according to the specification. The human readable
variation should only be used when required. These fonts are provided
in the HRVariation folder of the product package.
Barcode Font Printing & Character Mapping
To create proper UPC and EAN barcode types, the characters printed
must be selected from the tables below. To provide for easy
integration into applications, IDAutomation provides several
are free to use with this package. The font encoders automatically format
the characters to the barcode font. When creating a
single barcode, consider using the
The following are a few tools others free encoder tools that can be used with this package:
(100% managed code) included in Developer License and above
included in Developer License and above
(allows distribution of crystal
reports without the UFL)
&included in Developer License and above
included in Developer License and above
included in Developer License and above
Find more at the complete
All symbols of the UPC / EAN barcode symbology have been mapped to
the standard PC keyboard. This layout is presented in Figures 1-1 through
1-5. The following barcodes should be generated as follows, reading
from left to right:
Also referred
to as UCC-12. Encodes GTIN-12 numbers.
The number representing the first digit from figure 1-3.
Normal guard pattern from figure 1-4.
The number representing the first digit from figure 1-2.
5 digits from character set A of figure 1-1.
A center pattern.
5 symbols from character set C of figure 1-1.
The last (or 12th) digit from figure 1-2.
Normal guard pattern from figure 1-4.
The last (or 12th) digit from figure 1-3.
Below is a sample of the UPC-A barcode encoding the number
with a check digit of 2, created with IDAutomation&#39;s
To create this barcode, paste the text string of&W(c03489*NONSMm(W
into a word processor and select the UPC/EAN barcode font.
Also referred
to as the zero-suppression barcode, UPC-E encodes some GTIN-12 numbers that
can be compressed.
The number representing the prefix digit from figure 1-3.
Normal guard pattern from figure 1-4.
6 symbols from character sets A or B.
Special guard pattern from figure 1-4.
The number representing the check character from figure 1-3.
Also referred
to as ISBN, Bookland, ISSN & JAN. Encodes GTIN-13 numbers.
The EAN-13 book barcode is generated from the ISBN number
assigned to it. When encoding ISBN in an EAN-13 barcode, the ISBN
number is preceded by the number 978 and the ISBN check digit is
not used. When the ISBN number is encoded in the EAN-13 barcode
in this way, it is often called Bookland. A 5-digit add-on barcode
is optional and can contain the price of the book.
, the ISSN is preceded by the number
977 and the ISSN check digit (the last of the 8 digits) is not used.
A two-digit number, usually the number &00& (a two-digit price code)
is added to the end, and then the normal EAN check digit is added.
Periodicals may have a two-digit add on representing the issue number.
The JAN codes are the same as the EAN codes, except the first
two characters are set to &49&.
The number representing the first digit encoded by variable
parity, from Figure 1-3.
Normal guard pattern from Figure 1-4.
6 symbols from character sets A and B of Figure 1-1. The difference
between character sets A and B (called variable parity) is how the
leading digit is encoded. This can be automatically calculated with
, or can be calculated manually by reviewing the variable
parity section below.
A center pattern.
6 symbols from character set C of Figure 1-1.
Normal guard pattern from Figure 1-4.
Variable Parity in EAN-13
In EAN-13, the leading digit is encoded into the left half of the
symbol by using variable parity between character sets A and
B according to the following VB source code:
Select Case LeadingDigit Case 0 Encoding = &AAAAAACCCCCC& Case 1 Encoding = &AABABBCCCCCC&
Case 2 Encoding = &AABBABCCCCCC& Case 3 Encoding = &ACCCCCC& Case 4 Encoding = &ABAABBCCCCCC& Case 5 Encoding = &ABBAABCCCCCC& Case 6 Encoding = &ABBBAACCCCCC& Case 7 Encoding = &ABABABCCCCCC& Case 8 Encoding = &ABABBACCCCCC& Case 9 Encoding = &ABBABACCCCCC&End Select
EAN-8 (Encodes GTIN-8
Normal guard pattern from Figure 1-4.
4 symbols from character set A of Figure 1-1.
A center pattern.
4 symbols from character set C of Figure 1-1.
Normal guard pattern from Figure 1-4.
EAN-14 is a different barcode type created with
Figures 1-1 through 1-5
Digit Value
Letter to type for
Character Set A
Letter to type for
Character Set B
(ASCII + 17)
Letter to type for
Character Set C
(ASCII + 27)
Figure 1-1:
UPC / EAN Barcodes with Human-Readable Characters.
These are the primary barcodes with the number representing the
symbol printed at the bottom.
Digit Value
Letter to type
Character Set A
(ASCII + 49)
Letter to type
Character Set C
(ASCII + 59)
Figure 1-2: UPC / EAN Barcodes without Human-Readable Characters
Used for far-left and far-right digits of UPC-A
symbols and other barcodes as required.
Digit Value
Letter to type to
print numbers only
(ASCII + 37) /
(ASCII + 64)
Greater symbol
Less symbol
Add-on Greater
Figure 1-3: UPC / EAN Numbers and Characters without Barcodes.
These are used as required for human interpretation, but
are not printed as a barcode. Digit value &N& located at character &Z&
is to be used with the .
Letter to Type
Normal guard pattern
Center pattern
Special guard pattern
Add-on guard pattern
Add-on delineator
7X (add-on space)
2X (add-on space)
3X (add-on space)
4X (add-on space)
Quiet zone indicator&
Quiet zone indicator
Quiet zone indicator for add-on
&#39; (ASCII 39)
Lower hyphen
Upper hyphen
Figure 1-4: UPC / EAN guard patterns and special characters.
Digit Value
Character Set A
Character Set B
Figure 1-5: Add-on UPC / EAN Barcodes with Human-Readable
Characters. These barcodes can be used for ISSN, ISBN bookland
and others that require an add-on barcode. The human-readable character
is printed above the barcode.
UPC / EAN Font Specifications
X-Dimension and Magnification Factor
The X-dimension (X is the width of the narrow bar) is listed below
for various point sizes in millimeters and mils. 1 mil is equal to 1/1000
of an inch.
Point Size
X-Dimension
Magnification
* When using a printer with less than 600 DPI, print at the following
point sizes to create accurate barcodes:
Thermal Printer
&12, 18, 24, 30, 36
&12, 16, 20, 24, 28, 32, 36
Symbol Height
Five different versions of the UPC / EAN barcode fonts are provided
to support different height requirements. The last character in the
UPC / EAN font name determines the height of the barcode with
the shortest being &XXS& and the tallest being &L.& Five
additional fonts are provided for the
and can be identified by the unique ending character
Purchase Font
Evaluation Font Name
Height at 16 pt*
IDAutomationUPCEANXXS
IDAutomationSUPCEANXXS
0.20& / 5 mm
IDAutomationUPCEANXS
IDAutomationSUPCEANXS
0.40& / 10 mm
IDAutomationUPCEANS
IDAutomationSUPCEANS
0.55& / 14 mm
IDAutomationUPCEANM
IDAutomationSUPCEANM
0.71& / 18 mm
IDAutomationUPCEANL
IDAutomationSUPCEANL
0.87& / 22 mm
* Measurements are approximate and were measured
when printed at the recommended print size of 16 points.
However, a magnification factor of .8 to 2.0 can be used which
allows printing at 12 to 32 points. Measurements do not include
the text below symbol or the guard bars.
To print at a different height, find the font that has the
height closest to what is needed and use this formula to find
the point size to print the font at:
<span style="color:# * (height needed) / (height at 16 points)
= (point size converted to integer)
For example, if the desired height is .62& tall, print IDAutomationUPCEANS
at 18 points:
16 * .62 / .55 = 18
Related UPC / EAN Information
UPC/EAN Font Names Used Prior
to July 2003
Purchased Font Name
Evaluation Font Name
Height at 20 pt
1/4& (.25&) or .6 cm
1/2& (.50&) or 1.3 cm
11/16& (.689&) or 1.8 cm
7/8& (.857&) or 2.2 cm_csrf_token
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