In this paper, a method for data protecting of the rigid timing framwork teletext system is presented, and the visualizing scheme for realizing it is given.
本文提出了一种用于固定格式图文电视系统的数据保护方法，并给出了具体实现流程。
2
Since information is continuously sent into the system as it becomes available, Teletext is always kept up-to-data.