The paper analyzes the principle of components of magnetooptical disk driver focusing and tracking servo system, then designs and realizes a DSP based digital servo control system.
November 1 — Sony announces the development of Ultra Density optical (UDO), a blue-laser optical disc format proposed to replace magneto-optical discs.
11月1日—Sony宣布开发超密度光盘(udo)，一种欲取代磁-光盘的蓝光光盘格式。
3
In this paper, we present a method to realize feature extraction on low contrast magnetic domain images of magneto-optical recording films.