提出了一种采用单读码器件的串行编码绝对式光学编码器，介绍了其工作原理和基本结构。
The presented absolute optical encoder is based on a serial encoding method with single code detector. Its working principle and structure is described.
与传统绝对式光学编码器相比，码盘直径小、光学图案简单，有利于绝对式编码器实现小型化和提高精度。
The serial encoding method can reduce the diameter of the code disk and simplify the optical pattern, in favour of miniaturization and high precision of the absolute encoder.
通过与两种传统编码器特点的比较，突出了准绝对式光学编码器的显著特点，指明了其未来良好的应用和发展前景。
Compared with the two old ones, remarkable properties of virtual absolute encoder have stand out, and it will be adopted widely in the future.
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