Chapter 1. Plessey

Table of Contents

1.1. What is Plessey
1.2. Plessey Barcode Format
1.2.1. An Example
1.2.2. How to represent bits/digits/characters
1.2.3. Barcode Format
1.3. Prons-and-Cons
1.4. Usage Filed
1.5. Variations


1.1. What is Plessey

Plessey barcode/code is a 1D linear barcode symbology, based on Pulse Wide Modulation.

Plessey is originally developed in 1971 by The Plessey Company plc, a British-based company. So, sometimes is called “UK Plessey”.


Plessey = UK Plessey