Nowadays, when it comes to barcodes, many people are at a loss, but it shows that in life, we are enjoying the convenience brought by barcodes all the time, and we are in contact with it all the time. The application of barcodes is indispensable in the management of modern large supermarkets (such as barcode labels on product packaging), logistics management, item traceability, anti-theft and anti-counterfeiting, etc., can all be used. The most common large supermarkets have fully used barcodes from vertical to horizontal, from commodity circulation, supplier selection to customer and employee management.

First of all, barcodes can be divided into: 1D barcodes and 2D barcodes.

1D barcode: A 1D barcode only expresses information in one direction (generally the horizontal direction), but does not express any information in the vertical direction, and its certain height is usually to facilitate the alignment of the reader.

2D barcode: It has a better compression ratio, and the reading method is also quite different from 1D. It is the result of overall image processing and has a further evolution.

And the barcode can mark many information such as the country of production, manufacturer, commodity name, production date, book classification number, mail start and end location, category, date, etc., so it is widely used in commodity circulation, book management, postal management, banking system and many other fields have been widely applied.

From our life to industrial production, to food and drug safety, etc., such as electrical appliances, there are many barcodes in a computer, each accessory has a manufacturer's number, the whole machine also has an independent barcode, and the package of the whole machine also has one. When it comes to product quality traceability, quality problems can be traced back to the person in charge, etc., and the use of outer packaging logistics industry transportation.

There are also bank electronic bills, hospital medical records, commodity codes, warehouse barcodes, and many more. For example, the bar code of auto parts is convenient for quality traceability and management, and it is convenient for cash register and inventory management in supermarkets. Airport luggage and air tickets are actually a warehouse. Each luggage has a number for easy management. After connecting with the background data, it can be automatically scanned and sorted. industries have applications.

The use of barcodes is mainly reflected in the following areas:

1. The management of commodity circulation;

2. Customer management;

3. Supplier management;

4. Staff management.

The above is a brief introduction to the types and applications of barcodes. With the development of society, more and more businesses will appear, and there are still many places where they can be applied.