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The difference between barcode scanner and mobile phone scanning

The difference between barcode scanner and mobile phone scanning

 

The barcode scanner has a dedicated barcode scanning engine, which is used to scan and parse barcode one-dimensional code and two-dimensional code. Scanning a QR code with a mobile phone relies on the camera to capture pictures, and the built-in software is used for secondary analysis and output. The mobile phone has a variety of functions, and scanning the code is only one of them.

 

First, the difference in decoding

Barcode scanner: It belongs to "hard decoding", and it has a dedicated decoding chip or camera, and the decoding speed is calculated in milliseconds.

Mobile phone scanning: Mobile phone scanning QR code is a built-in decoding software that decodes and outputs the captured photos. The decoding success rate and barcode type are completely dependent on the calculation method of the decoding software and how to allocate the mobile phone hardware. The time used in this process It must be much larger than professional barcode scanning equipment. Mobile phone scanning barcode QR code is commonly known as "soft decoding".

 

Second, the difference in operation

The aiming method of the barcode scanner is called external aiming. When the key switch is activated, there will be an aiming line (frame, center point, etc.) to help you align the barcode. Or self-induction scanning, the self-induction scanning mode means that the scanning gun reading window is generally equipped with a sensor, it will automatically sense the item, and automatically turn on the laser line to scan the barcode of the item, and the laser line will automatically close after the barcode information is automatically uploaded. , the second scan is performed when the item leaves the sensing area and approaches again. It is very convenient and fast to operate, and the work efficiency is very efficient.

The mobile phone needs to put the barcode in the correct position on the screen, which is very slow and inconvenient to operate, and the work efficiency is greatly reduced.

 

Third, the difference between communication protocols

The scanner basically supports USB port, RS232 serial port, and network port communication. Basically, all the application software that uses the scanner uses these communication protocols, and the decoding results are directly output to the application software. Such as supermarket cashier, manufacturer traceability system, logistics warehousing system, in-out warehouse system, etc.

The result of the mobile phone scan is only displayed on the screen of your mobile phone, or it can only communicate and interact with the APP on your mobile phone. If you want to communicate with a PC or other devices, the workload in the middle is too much, and it takes too much effort.

 

 

Pub Time : 2022-09-16 15:32:46 >> News list
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