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    • 10. 发明授权
    • Method and apparatus for managing parental level of optical disc
    • 用于管理光盘的父母级别的方法和装置
    • US07769271B2
    • 2010-08-03
    • US10792272
    • 2004-03-04
    • Young Kuk KimYeo Han Yun
    • Young Kuk KimYeo Han Yun
    • H04N5/91H04N5/00
    • G11B27/105
    • Method and apparatus for managing a parental level of an optical disc can allow a user to set a parental level of a data stream recorded and stored on a rewritable optical disc or write-once optical disc, and can record and manage the set parental level as navigation information such as for the optical discs. The method and apparatus allow the user to conveniently set or change the parental level of the data stream, refer to the parental level recorded and managed therefore, and carry out a parental locking operation such that children or teenagers cannot arbitrarily reproduce a data stream of an adult program. Further, a parental grade code, a supplemental parental grade code or if the parental code was generated using parental management information previously supplied by the user can be determined. Accordingly, an authorized user can determine whether the previous set grade code is changed illegally.
    • 用于管理光盘的父母级别的方法和装置可以允许用户设置记录并存储在可重写光盘或一次写入光盘上的数据流的父母级别,并且可以将设置的父母级别记录和管理为 诸如用于光盘的导航信息。 该方法和装置允许用户方便地设置或改变数据流的父母级别,参考由此记录和管理的父母级别,并执行父母锁定操作,使得儿童或青少年不能任意地再现数据流的数据流 成人节目。 此外,可以确定父母年龄代码,补充的父母年龄代码,或者如果使用由用户先前提供的父母管理信息生成了父母代码。 因此,授权用户可以确定先前设定的等级代码是否被非法改变。