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• Barcode Educational Guide – pdf document
• Choosing the Best Barcode Symbology

History of Barcodes

The industrial use of barcodes can be traced back as far as the 1960s, in some cases as a means to identify railroad cars. Common linear barcodes started appearing on grocery shelves in the early 1970s as the UPC barcode to automate the process of identifying grocery items. Today, barcodes are just about everywhere and are used for identification in almost all fields of business. When barcode technology is utilized in business processes, procedures are automated to increase productivity and reduce human error. Barcoding should be used whenever there is a need to accurately identify or track something.

Barcode Types, Symbologies & Standards

The type of barcode that should be used may depend on several variables, including the following:

1. Standards and mandates
2. Purpose and use
3. Data encoded
4. Printing and/or decoding methods

There are several different types of barcode standards for different purposes – these are called symbologies. Each type of symbology (or barcode type) is a standard that defines the printed symbol and how a device, such as a barcode scanner, reads and decodes the printed symbol.

If an industry standard has already been established for the intended implementation, the standard should be implemented. If a standard does not exist for the chosen implementation, several symbologies are available to choose from.

Industry standards are usually established when multiple parties or companies are involved in the ID process. The standard is not necessarily the same as the barcode symbology. Barcode standards define how to use the barcode symbology in a particular situation. For example, the two standards to create ISBN barcodes for books and generate ISSN barcodes for periodicals both use EAN-13 to encode data into the barcode, but have different methods depending on the specific ISBN & ISSN standards.

The chart below includes a few established barcode standards and what they are used for:

Established Barcode Standards:

* Beginning January 1, 2010, GS1 DataBar may be used in place of all UPC and EAN barcode types for POS.

IDAutomation also offers a list of several popular barcode symbologies at the barcode FAQ site and information about how to identify the various symbologies.

Choosing the Best Barcode Type for Printing

IDAutomation offers several Application Integration Guides that suggest one or more options for integrating barcodes. The integration options should be examined to determine whether to implement components, applications or barcode fonts for printing. A few of the Barcode Integration Guides offered include the following:

Once it is determined which product to use for the printing of barcodes, the following suggestions may help in selecting the barcode symbology:

When using Barcode Components or Applications for printing a certain number of characters, the following is suggested:

• When encoding uppercase and/or lowercase letters, numbers, punctuation, any letter or symbol appearing on the standard U.S. keyboard and lower ASCII functions such as returns and tabs, up to about 40 digits, use Code128. All of IDAutomation’s barcode components and applications support Code 128 as the default barcode type.
• When encoding several lines of data of any type over 40 characters, it is suggested to use the PDF417 or Data Matrix barcodes.

When using Barcode Fonts, the following is suggested:

• When encoding only numbers, up to about 30 digits, choose Codabar Barcode Fonts. Codabar is the most dense, self-checking (easy-to-use) symbology.
• When encoding uppercase letters, numbers and these symbols (- . $ / + %), up to about 20 digits, choose Code 39 Barcode Fonts. Code 39 is also a dense self-checking (easy-to-use) alpha-numeric symbology.
• When it is necessary to encode uppercase and lowercase letters, numbers, punctuation and ASCII functions such as returns and tabs, up to about 40 digits, use Code 128 Barcode Fonts or the Universal Barcode Fonts.
• When encoding any data of any type over 40 characters, use the PDF417 or Data Matrix barcodes.

When barcodes are sent via fax machine or are used in a low-resolution environment, the following is suggested:

• After evaluating several popular barcodes, the Data Matrix barcode is the most dependable in a faxing environment. Data Matrix is one of the smallest and most dependable barcode symbologies. Compared to other barcode types, Data Matrix is approximately 30 times smaller than a Code 39 barcode representing the same data. This comparison may be seen visually in the Barcode Symbology Evaluation and Test Sheet.
• If the DataMatrix barcode cannot be implemented, it is suggested to print the chosen barcode at the largest X Dimension (or size) as possible, which will usually allow the symbol to be read by a scanner.
• When printing to thermal 203 DPI printers, special care must be taken to create accurate barcodes. Several knowledge base articles exist for the proper use of thermal printers:

When Barcode Applications are used, the following is suggested:

• To create barcode images individually, save the images to a file or easily paste barcodes into other Windows applications, consider IDAutomation’s Barcode Image Generator. This application is commonly used to create barcode image files for Photoshop, Paint Shop Pro, Quark, CorelDraw, Word and other word processor and graphic applications where a single image can be printed several times without change.
• To print barcode labels dynamically from a database or list with a label design application compatible with Windows, consider IDAutomation’s Barcode Label Software.

When encoding photos, arrays, binary data, Unicode, international or double-byte characters, the following is suggested:

A two-dimensional symbology (2D barcode) such as the PDF417 or Data Matrix barcode should be used to encode this type of data. 2D barcodes encode this type of data when the encoding mode is set to BASE256 or BINARY, which encodes all data, byte-by-byte. When scanning the data, the barcode scanner must be able to read all 256 bits of each byte. This usually means using the serial interface option (data bits have to be 8N) on the scanner, serial emulation over USB or another type of connection that allows all 256 bits of each byte to be transferred to the necessary application. Normally, keyboard wedge and USB barcode scanners (that emulate a keyboard) do not support extended characters above ASCII 128, and they only read characters that are actually on the keyboard. The scanner manual or vendor may need to be consulted for this type of implementation. Alternatively, the data may be converted to Base64 when encoded in the barcode and then back again when read. However, this requires additional programming and will create a symbol that is about four times larger than it would be with BASE256 or BINARY encoding.

When creating PDF documents, the following is suggested:

IDAutomation barcode fonts may be used to integrate barcodes into PDF documents, thus creating virus-free portable data files that can be viewed on all operating systems with a PDF viewer. The fonts have been tested and work with the following PDF conversion products:

• Adobe Distiller Server works well with all of IDAutomation’s MICR, OCR and barcode fonts including symbol-encoded fonts.
• Crystal Reports version 9 and above can create PDF documents with IDAutomation’s Barcode Fonts.
• PDFLib is a library for generating PDF “on the fly” for programmers only. Runs on Mac, Windows and several Unix platforms in addition to EBCDIC-based platforms, such as IBM eServer iSeries 400 and zSeries S/390. PDFlib is especially well-suited for generating PDF on a Web server. PDFlib can generate PDF data directly in memory (instead of on file), resulting in better performance and avoiding the need for temporary files. This product was implemented by a client using IDAutomation’s PostScript Interleaved 2 of 5 Barcode Fonts with Redhat Linux 6.2.
• PDF Machine is a simple print driver that permits the creation of a PDF document from any printable source. Version 6.2 supports printing the barcode font at small point sizes.

Reading Barcodes

One of the most common tools for reading barcodes is the hand-held barcode scanner. The barcode scanners recommended and sold by IDAutomation all have built-in decoders that can read several different barcode symbologies. There are a few low-priced scanners on the market, but they require complicated decoders. In the long run, after ordering and programming a decoder, more time will be spent using the decoder than if ordering a scanner with a built-in decoder.

Most of the barcode scanners sold by IDAutomation receive their power from the PC keyboard or USB port so no external power supply is required. When a barcode is scanned, the data is sent to the PC as if typed on the keyboard. To learn more about scanning barcodes, review how to scan barcode data into applications.

Most barcode scanners can read common linear symbologies such as Code 39, UPC, EAN, Code 128 and Codabar by default. Some scanner manufacturer’s ship new barcode scanners with most symbologies disabled, therefore, if a particular barcode cannot be read, make sure it is enabled in the scanner’s firmware. Not all scanners read barcodes that are printed at small X dimensions (the x dimension is the width of the narrow bar in the code,) so it is advisable to check the barcode scanner manual to make sure the scanner can read the small X dimensions.

The low-priced IDAutomation Plug ‘n Play USB Barcode Scanner performs similar to a laser scanner and reads very small barcodes. Barcodes of 4 to 32 mils in size and up to 4.2″ in width are easily read from a distance of 4 to 8 inches with this scanner.

Barcode Area Efficiency

Many situations may exist where the space a barcode occupies becomes a concern. The barcodes below are all encoding the same data of “BARCODE12345678” with the same narrow bar width or X dimension of .03CM or 12 mils. When creating small barcodes, the scanner must also be able to dependably read them. Some barcode scanners also read different symbologies better at different sizes. For example, the Symbol Laser Barcode Scanner dependably reads the Code 39 Barcode Font when printed as small as 6 points, but only reads the Code 128 Barcode Font when printed at 8 points. However, the IDAutomation Plug ‘n Play USB Barcode Scanner reads both Code 128 and Code 39 at 6 points and above. The barcodes below may be printed from IDAutomation’s Symbology Test Sheet for testing purposes.

As seen in the examples above, the Data Matrix barcode is the most compact of the symbologies evaluated. However, it requires a 2D Barcode Imager or Image Reader to read the symbol. Several Imagers can easily read small symbols, such as the IDAutomation’s 2D USB Barcode Scanner that can read Data Matrix barcodes printed with the Data Matrix Font as small as 2.5 points, which is an X dimension of about .02CM or 8 mils. Data Matrix is also one of the most accurate barcode symbologies.

Barcode Accuracy & Misreads

The accuracy and amount of misreads of several different barcode symbologies were evaluated in a study at Ohio University Center for Automatic Identification. Studies indicate that a well-trained data entry operator will usually make a data entry error once every 300 keystrokes. Therefore, implementing even the least accurate barcode symbology is a huge step forward to increasing production and reducing data entry errors.

Conversion Table & Specifications

Specifications are provided by many types of barcode implementations. In some cases, the specifications of the barcode sizing parameters are given in inches, but need to be calculated in CM (centimeters) in the barcode tool. To convert inches to CM, multiply the value in inches by 2.54. To convert mils to CM, multiply the MILS (1 mil equals .001 inches) value by .00254.

Below is a chart that contains many common barcode dimensions:

When there is a need to uninstall Barcode Basics 4.28 on your Mac computer, do you think it is just a piece of cake or a difficult task for you? Different people may give different answer to this question, but it is a fact that some problems always exist and trouble you to remove this app under the OS X.

Situations that you may want to remove Barcode Basics 4.28

Barcode Basics 4.28 is an (Graphic Design Software) application on Mac that usually can be installed easily and smoothly on the computer, but some times you may want to uninstall Barcode Basics 4.28 for some reasons, such as:

• It is not useful on your Mac
• Application does not work correctly after the installation
• Barcode Basics 4.28 slows down your computer performance
• App takes up too many space of your computer's hard disk
• Barcode Basics 4.28 should be re-installed on the PC

Most common problems for the app removal

If you are a newbie of the Mac computer, you might be not clear about how to start and complete the removal on the PC, because the OS X does not provide any sort of removing feature or utility like the Windows does. On the other hand, it is also difficult to be removed even though the computer users have been used the Mac for a certain time, and there are some other problems that make the app cannot be removed so smoothly. Here are the most common issues that many people encountered when unable to uninstall Barcode Basics 4.28:

• Application's shortcut/icon cannot be found on the Launchpad or Applications folder
• Barcode Basics 4.28 cannot be totally removed on the computer
• You are always refused to remove the app since it is still open on the PC, but you just had exit the program beforehand
• Unknown problem occurs when try to drag the app to the Trash, Barcode Basics 4.28 bounce back to the original place.

Feel frustrated and have no idea to complete the uninstallation when encounter these removing problems on Mac? Don't be so upset, here are several ways that can help you to delete the application, just choose the best way to perform the removal on your PC.

Easy-to-follow guides to uninstall Barcode Basics 4.28 for Mac

1. Remove the app if you got from the Mac App Store

If you got this Barcode Basics 4.28 application via the Mac App Store, there is a specific way to allow you delete it on the computer, but it is not available for removing the apps which are belonging to the OS X itself, such as the Safari.

Specific steps to remove the app (got from the App Store):

• If the app is running on your computer, right-click on its icon on the Dock, and select Quit
• Click on Launchpad icon in the Dock, and locate the Barcode Basics 4.28's icon
• Hold down the icon until all of icons start to jiggle
• Click on the delete button at the top left corner, and then the program's package will be removed from the Launchpad

2. Uninstall Barcode Basics 4.28 via its uninstaller

Some applications may contain an particular uninstaller on their install packages, you can try to open the package to check whether there is an uninstaller of the applications. If you can see a removal tool inside, you can choose to take this uninstaller to remove the program on your Mac computer.

Just double-click on the uninstaller, a new removing wizard will display on the desk, and you just need to follow the instructions to complete the whole removing process.

3. Remove the program from the Finder

By default, an installed application should be placed at the Applications folder in the Finder, so you can choose to find out the Barcode Basics 4.28 program inside, and move it to the Trash to remove it.

Sketch color palette template. Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)and possible program actions that can be done with the file: like open aco file, edit aco file, convert aco file, view aco file, play aco file etc.

• Click on Finder on the Dock, and select Applications on the left pane
• Find Barcode Basics 4.28 in the folder, and drag the icon the to Trash
• Enter the account's password if you are required to confirm you want to delete it
• Click OK to remove it to the Trash
• Right-click on the Trash icon, and select 'Empty Trash'

Resolve the leftover issue after the above removal

Note: vestiges are usually contained if you take the above removal methods to uninstall Barcode Basics 4.28, your should do an additional leftovers removal after deleting the app's installed package.

Leftover issue is a very common problem when you choose to remove a program via moving it to the Trash, which just can help you remove the installed package of the target application. However, in addition to the package, there are usually many preference files and support files still leaving on the Mac computer, and continue to take up the disk space. Always ignoring these vestiges usually cause some troublesome problems on the PC, such as cannot re-install the app, or disk space are consumed quickly and have no enough space to support the computer's performance. In this case, you should know how to clean the leftovers after the above removal:

• Click on Go, and Go to Folder..
• Type '~/library/' in the box, and press the Return on the keyboard
• In the Library, there are many folders inside contain the associated files of Barcode Basics 4.28, so you should check them and make sure all of related files are cleaned well, and the most common folders would contain the associated files are:
• Application Supports folder, Caches folder, Preference folder.
• After cleaning all of files inside, please remember to empty the Trash bin

4. Still does not work? Try pro uninstaller to remove Barcode Basics 4.28

Till now, we introduce three manual way to uninstall Barcode Basics 4.28 on the above content, and it's time to showcase the most effective way which can enable the people to delete the program automatically and easily on Mac.

Some people do complain that the manual app removal on Mac usually take up much of time, and it is also not an easy task to complete for the common users. If you also have this feeling either, inviting a pro uninstall utility to remove the program will be the best resolution for you.

Osx Uninstaller is a professional uninstall utility that contains an automatic and sophisticated removal feature, which allow the user to delete a program with ease, here are just the tutorials about how to remove Barcode Basics 4.28 with this removal tool:

• Get an Osx Uninstaller on your Mac, and launch it
• Select Barcode Basics 4.28 on the remover's interface, and click on Run Analysis
• Click on Complete Removal, and then you will receive a message which asks you whether you need to remove it
• Click Yes to start the removal, and the complete removal message will display on the uninstaller within a very short time

A professional and complete removal for unwanted application can save a lot of time, and also reduce the risk of encountering other removal methods during the removing process. Therefore, it is more recommended to uninstall Barcode Basics 4.28 and other applications you want to remove with a great uninstaller, and Osx Uninstaller can be a good product for you.

Uninstall guides of related apps

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Completely removes:

• Bundled apps
• Preferences files
• Cache files
• Support files
• Other hidden file