Magnetic ink character recognition (MICR) : Devices which can identify characters printed in magnetic ink and convert them into digital data.

磁墨字符识别：分辨用磁墨印刷的字符并把它转为数字资料的装置。

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Using only four pieces of magnetic chips and four Hall sensors (A3144) to achieve the recognition of 16 kinds of rotors is provided. This technique is quite simple and reliable.

该技术只利用4只霍尔传感器a 3144和4片磁钢，就可对16种转子进行识别，简单易行，安全可靠。

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Alternative magnetic leakage flux method was developed from the eddy current testing and traditional magnetic leakage flux testing, and it was advantageous for surface flaw recognition.

交变漏磁检测方法由于兼具涡流检测和传统漏磁检测的特点，对表面缺陷具有很高的识别率。

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