公开(公告)号：US20080238508A1

公开(公告)日：2008-10-02

申请号：US11694861

申请日：2007-03-30

Applicant: Tao Jing

Inventor： Tao Jing

IPC: H03L7/08

CPC classification number: H03L7/06 ,  H03L7/143

Abstract: An apparatus is provided for detecting the loss of an input clock signal for a phase-locked loop (PLL). The apparatus includes a time delay circuit, a first frequency divider and a digital logic circuit. The time delay circuit receives the input clock signal and outputs a first time-delayed clock signal. The first frequency divider receives an input signal from an internal clock of the PLL and outputs a clock signal having the same frequency or a lower frequency than that of the time-delayed clock signal. The digital logic circuit that receives the first frequency divider output signal and the first time-delayed clock signal and outputs a signal indicating the loss of the input clock signal if there is no first time-delayed clock signal for a cycle of the first frequency divider output signal.

Abstract translation: 提供了一种用于检测锁相环（PLL）的输入时钟信号的损耗的装置。 该装置包括时延电路，第一分频器和数字逻辑电路。 时间延迟电路接收输入时钟信号并输出​​第一时间延迟的时钟信号。 第一分频器从PLL的内部时钟接收输入信号，并输出具有与时间延迟的时钟信号相同频率或更低频率的时钟信号。 数字逻辑电路，其接收第一分频器输出信号和第一时间延迟时钟信号，并且如果没有用于第一分频器的周期的第一时间延迟时钟信号，则输出指示输入时钟信号丢失的信号 输出信号。

公开(公告)号：US20080109628A1

公开(公告)日：2008-05-08

申请号：US11908266

申请日：2005-11-30

Applicant: Tao Jing

Inventor： Tao Jing

IPC: G06F12/06

CPC classification number: G06F21/80 ,  G06F3/0622 ,  G06F3/0637 ,  G06F3/0644 ,  G06F3/0676 ,  G06F21/78

Abstract: The present invention provides a method of establishing a hard disk physical partition. First of all, it selects a sector in which the head of the hard disk physical partition is located, and establishes a user available partition of the hard disk within the range of the hard disk physical volume from the sector, the other portion of the hard disk becomes a protected partition of the hard disk, finally constitutes one hard disk physical partition. After entering into the hard disk physical partition, only the user available partition can be accessed, the protected partition is invisible to the user. It can establish the different hard disk physical partition in the different position of the hard disk through selecting the sector where the head of the hard disk is located. The present method can realize that protecting the various users' data from each other in physical on the premise of sharing the same hard disk, thus establishes fully separate data storage space from physical level, causes the user to have a proprietary run environment.

Abstract translation: 本发明提供一种建立硬盘物理分区的方法。 首先，它选择硬盘物理分区的头部所在的扇区，并在硬盘的范围内建立硬盘的用户可用分区，硬盘的另一部分 磁盘成为硬盘的受保护分区，最后构成一个硬盘物理分区。 进入硬盘物理分区后，只能访问用户可用分区，受保护的分区对用户不可见。 它可以通过选择硬盘头部所在的扇区，在硬盘的不同位置建立不同的硬盘物理分区。 本方法可以在共享同一硬盘的前提下实现物理上保护各种用户的数据，从而与物理层建立完全独立的数据存储空间，使用户拥有专有的运行环境。