Feature Description

LEADTOOLS provides fast, highly accurate, and reliable Pulse Width Modulated Barcode detection, reading, and writing support for .NET (C# & VB), C/C++, WinRT, iOS, OS X, Java, and web developers. LEADTOOLS award-winning libraries help programmers add fully featured Pulse Width Modulated Barcode technology to applications in record time.

Pulse Width Modulation is one of the original techniques to encode and decode barcode symbols and is still in use today. Initially developed for use within libraries, PWM barcodes, such as Plessey Code and MSI, are still being used in a wide variety of industries and applications.


LEADTOOLS Pulse Width Modulated Barcode SDK Symbols

MSI/Modified Plessey Code

MSI Barcode

MSI is a variation of the Plessey Code symbol which can encode the numbers 0-9 and is used to identify shelving locations in retail stores. MSI symbols can be any length and contain one or two check digits.

Other Types of Linear 1D Barcodes

Technology Related to Pulse Width Modulated Barcode