With the continuous development of the economy, more and more bar code devices appear in our lives. Barcode scanners are widely used products. We can see barcode scanners in supermarkets, shopping malls, pharmacies and factories. The figure, then what are the advantages of the barcode scanner, and more and more people are using it? Let's take a look at the performance characteristics of the barcode scanner today. There are four main aspects. Let's learn about it.
1. Fast input speed: Compared with the keyboard input, the bar code scanning speed is more than 10 times of the keyboard input, and can realize "instant data input".
2, high reliability: keyboard input data error rate of three percent, using optical character recognition technology error rate of one in ten thousand, and the use of bar code technology error rate is less than one in a million.
3, the amount of information collected is large: the traditional one-dimensional bar code can be used to collect dozens of characters of information at a time, the two-dimensional bar code can carry thousands of characters of information, and has a certain automatic error correction capability.
4. Flexible and practical: Bar code identification can be used as a means of identification alone, or it can be combined with related identification equipment to realize automatic identification and automatic management.
In addition, bar code labels are easy to manufacture, there are no special requirements for equipment and materials, identification equipment is easy to operate, no special training is required, and bar code equipment is relatively inexpensive.
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