Image
EAN-13	0000002081250
UPC-A	000002081250
Product Name	High Quality Invisible Full Body Guard Shield Screen Protector For Apple Macbook Pro 15" Bottom - Comes With 2 Pieces
Language	English
Category	Electronics / Photography
Short Description	18.7Z
Amazon.com	Buy on Amazon ~ B001KVMYRU
Binding	Office Product
Features	2 Complete Body Guard Protectors (covers everything including screen) Easy to apply and remove, the micro thin, polymer overlays protect your unit from scratches. Each screen protector is designed to fit, protect, and enhance the performance of your Unit Improved Grip, Worry free. ALL MADE IN USA
Long Description	A clear film that covers the body and screen of your unit providing scratch protection from outside elements. Designed to custom fit each particular device, these protectors are made from the same material that is used to protect the front of automobiles from stones and other abrasive elements.
Created	07-01-2006
Modified	09-05-2018 6:02:37pm
MD5	4af489a178c168faa1e215cdaaba0f44
SHA256	35f421623bebc230aa76e7b3efbfcdf06218dbfa6efedffc12f5e70bf99296a3
Search Google	by EAN or by Title
Query Time	0.0042491

Article of interest

This symbology was developed by the MSI Data Corporation and is based on the Plessey Code symbology. MSI is most often used in warehouses and inventory control.

This is a continuous non-self-checking symbology meaning it has no predetermined length and there is no validation built into the barcode itself. If you want to validate the data stored in the barcode, you would need to use a check digit. Mod 10 is the most common check digit used with MSI but you can also use mod 1010 or mod 1110. It is allowed but generally not a good idea to omit the check digit all together.

There is a start marker which is represented by three binary digits 110 (where 1 is black and 0 is white). There is also a stop marker which is represented by four binary digits 1001. The remaining markers represent the numeric digits 0-9 (no text or special characters) and each digit is represented by twelve binary digits. Below is a table that describes all of the possible markers. The start and stop markers are the main difference between MSI and Plessey. That and the fact that MSI only covers digits 0-9. You can read these stripes as a binary values where 110 is binary 1 and 100 is binary 0. The stop marker simply has an extra bit on the end.

 To create a graphical barcode using this process, you can simply string together a series of 1 and 0 graphic images once you have calculated what your barcode should look like using the table shown above. You can view the source code of this page if you want to see how we created the example shown below.

Code	[start]375[stop]
Bits:	110 100100110110 100110110110 100110100110 1001
Graphic:

This is just an example of one way to perform the graphic encoding. It is often easier to just draw the lines instead of tacking together individual images. If you would like to create free MSI barcodes, please visit our barcode generator page. You can save the images you make and use them as needed.