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Handheld Scanner, Fixed Mount Scanner, Desktop Scanner, Scan Engine, Data Collector

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Ms. Wang Xiaofeng (Sales Manager)

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+86-(0)755-29639948

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What are the types of scanner scans?

What are the types of scanner scans?

Such devices are also known as "data collectors" or "inventors.". It is a terminal scanner, widely used in express logistics, warehousing and other fields. As we all know, courier is an industry working in foreign countries, not always beside the computer, but for the timeliness and rapidity of information, so a "fast and convenient scanner" is needed to scan the courier information in time and upload the information to the server. Although this kind of equipment has been popularized at present, there are still many kinds of this kind of equipment in the market, both quality and price are uneven. So, readers and friends with such needs, when choosing to buy, how should they choose the right equipment for themselves?


扫描器


The invention has the characteristics of slow scanning speed and low signal frequency. The receiver with low response frequency, such as silicon photocell, has a large sensitive area, and the low-frequency system is easy to achieve high signal-to-noise ratio. Therefore, in addition to the above reverse reception scheme, other schemes can be adopted. For example, using the tunability of semiconductor laser, the output laser beam can be modulated at high frequency. Then, in the process of electrical signal processing, we use synchronous receiving amplification technology to extract barcode signal. As long as the modulation frequency is much higher than the barcode signal frequency, the barcode width error caused by the modulation frequency will be ignored. Synchronous receiving technology has a high ability of noise suppression, so it is not necessary to use the backward receiving structure. This will bring considerable flexibility to the arrangement of the optical receiving system. With this flexibility, reader performance can be improved in some ways. For example, in the back receiving scheme, the mobile element is also an integral part of the receiving system, which requires it to have a certain aperture size to ensure that enough signal light is received. However, if the motion unit only plays the role of scanning beam, then its role is very small. Obviously, the reliability of small moving components is conducive to the selection of power components and the improvement of life.

Laser scanner has been widely used because of its unique advantages, such as large field depth, fast scanning speed, wide scanning range and so on. In addition, with the ability to scan and read barcode symbols at high speed in any direction, laser omni angle scanning reader is widely used in various fields with high automation and large flow.



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