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    • 3. 发明授权
    • Fault tolerance system and method for one or two failed disks in a disk array
    • 磁盘阵列中一个或两个故障磁盘的容错系统和方法
    • US07356757B2
    • 2008-04-08
    • US11025280
    • 2004-12-29
    • Mien-Chih Chen
    • Mien-Chih Chen
    • G06F11/00
    • G06F11/1076G06F2211/1057
    • A fault tolerance system for one or two failed disks in a disk array includes a CPU, a disk array, and a bus. The disk array includes disks, each of which is logically divided into multiple blocks, wherein the blocks include data blocks, P parity blocks and Q parity blocks. The CPU, which is connected to the disk array through the bus, includes: an exclusive-or (XOR) unit for performing XOR operations on blocks of the disk array when generating P/Q parities or reconstructing failed data; a modulus operation unit for performing modulus operations; a shift operation unit for performing shift operations on the blocks of the disk array; and an address conversion unit for converting a logic address into a physical address. Related methods are also provided.
    • 磁盘阵列中一个或两个故障磁盘的容错系统包括一个CPU,一个磁盘阵列和一个总线。 磁盘阵列包括磁盘,每个磁盘在逻辑上划分成多个块,其中块包括数据块,P个奇偶校验块和Q个奇偶校验块。 通过总线连接到磁盘阵列的CPU包括:用于在产生P / Q奇偶校验或重建失败数据时对磁盘阵列的块执行异或运算的异或(XOR)单元; 用于进行模数运算的模数运算单元; 移位操作单元,用于对所述盘阵列的块执行移位操作; 以及用于将逻辑地址转换为物理地址的地址转换单元。 还提供了相关方法。
    • 4. 发明申请
    • Fault tolerance system and method for multiple failed disks in a disk array
    • 磁盘阵列中多个故障磁盘的容错系统和方法
    • US20060005075A1
    • 2006-01-05
    • US11172751
    • 2005-07-01
    • Mien-Chih Chen
    • Mien-Chih Chen
    • G06F11/00
    • G06F11/1076G06F2211/1057
    • A fault tolerance system for multiple failed disks in a disk array includes: a disk array (3), a processor (1), and an exclusive-or (XOR) unit (2). The disk array includes a plurality of disks (30), each of which is logically divided into multiple blocks. The blocks includes: a plurality of data blocks, which are stored in n disks and each is symbolically depicted as D(i,j); parity blocks depicted as P parity blocks and stored in an independent disk, for storing P parities which can be symbolically depicted as P(j); and parity blocks depicted as Q parity blocks and stored in another independent disk, for storing Q parities which can be symbolically depicted as Q(k). The processor is connected to the disk array through a bus (4), and is for performing modulus operations, shift operations, and address conversion operations. The exclusive-or (XOR) unit is for performing XOR operations on blocks of the disk array when generating P/Q parity or reconstructing failed data. A related method is also disclosed.
    • 用于磁盘阵列中的多个故障磁盘的容错系统包括:磁盘阵列(3),处理器(1)和异或(XOR)单元(2)。 磁盘阵列包括多个磁盘(30),每个磁盘被逻辑地分成多个块。 这些块包括:多个数据块,其被存储在n个磁盘中,并且每个数据块被象征性地描绘为D(i,j); 奇偶校验块被描绘为P个奇偶校验块并存储在独立的盘中,用于存储可以被符号地描绘为P(j)的P个奇偶校验; 以及被描绘为Q个奇偶校验块并且存储在另一个独立盘中的奇偶校验块,用于存储可以被符号地描绘为Q(k)的Q个奇偶校验。 处理器通过总线(4)连接到磁盘阵列,用于执行模数运算,移位操作和地址转换操作。 异或(XOR)单元用于在产生P / Q奇偶校验或重建失败数据时对磁盘阵列的块执行XOR操作。 还公开了相关方法。
    • 5. 发明申请
    • Fault tolerance system and method for one or two failed disks in a disk array
    • 磁盘阵列中一个或两个故障磁盘的容错系统和方法
    • US20050283652A1
    • 2005-12-22
    • US11025280
    • 2004-12-29
    • Mien-Chih Chen
    • Mien-Chih Chen
    • G06F11/00G06F11/10
    • G06F11/1076G06F2211/1057
    • A fault tolerance system for one or two failed disks in a disk array includes a CPU (1), a disk array (3), and a bus (4). The disk array includes a plurality of disks (30), each of which is logically divided into multiple blocks, wherein the blocks comprises a plurality of data blocks (3100), P parity blocks (3110) and Q parity blocks (3120). The CPU, which is connected to the disk array through the bus, includes: an exclusive-or (XOR) unit (2) for performing XOR operations on blocks of the disk array when generating P/Q parities or reconstructing failed data; a modulus operation unit (11) for performing modulus operations; a shift operation unit (12) for performing shift operations on the blocks of the disk array; and an address conversion unit (13) for converting a logical address into a physical address. Related methods are also disclosed.
    • 用于磁盘阵列中的一个或两个故障盘的容错系统包括CPU(1),磁盘阵列(3)和总线(4)。 磁盘阵列包括多个磁盘(30),每个磁盘被逻辑地划分为多个块,其中该块包括多个数据块(3100),P个奇偶校验块(3110)和Q个奇偶校验块(3120)。 通过总线连接到磁盘阵列的CPU包括:异或(XOR)单元(2),用于在产生P / Q奇偶校验或重建失败数据时对磁盘阵列的块进行XOR操作; 用于进行模数运算的模数运算单元(11) 移位操作单元,用于对所述盘阵列的块执行移位操作; 以及用于将逻辑地址转换为物理地址的地址转换单元(13)。 还公开了相关方法。
    • 6. 发明授权
    • Method and electronic device capable of saving power
    • 方法和电子设备能够节省电力
    • US08244313B2
    • 2012-08-14
    • US12551685
    • 2009-09-01
    • Pin-Chun HuangMien-Chih Chen
    • Pin-Chun HuangMien-Chih Chen
    • H04B1/38
    • G11B19/02
    • A method and an electronic device capable of saving power are disclosed. The electronic device includes a power save system, a media player application and an audio interface. The audio interface includes an audio driver module, and an audio processor. The power save system includes a monitor unit, and a control unit. The monitor unit monitors the current mode of the media player application. If the media player application is in the mute mode, the control unit transmits a power-save signal to switch off the audio processor to save power of the electronic device.
    • 公开了能够节省电力的方法和电子设备。 电子设备包括节电系统,媒体播放器应用和音频接口。 音频接口包括音频驱动器模块和音频处理器。 节电系统包括监视器单元和控制单元。 监视器单元监视媒体播放器应用程序的当前模式。 如果媒体播放器应用处于静音模式,则控制单元发送节电信号以关闭音频处理器以节省电子设备的功率。
    • 8. 发明申请
    • System and method for prolonging usage lifetime of a non-volatile memory
    • 延长非易失性存储器使用寿命的系统和方法
    • US20060117134A1
    • 2006-06-01
    • US11285260
    • 2005-11-21
    • Mien-Chih Chen
    • Mien-Chih Chen
    • G06F12/00
    • G11C16/349G11C29/76
    • A system for prolonging usage lifetime of a non-volatile memory includes a non-volatile memory (1) and a host (2). The non-volatile memory is logically divided into a plurality of sectors (10), each of which stores a sector tag and data. The host includes a data writing module (20), a sector tag writing module (21), a sector tag checking module (22), and a data pointer (23). The data writing module is used for writing data into each sector, and reading data from each sector. The sector-tag writing module is used for writing a type of sector tag into each sector according to a sector tag writing rule. The sector tag checking module is used for checking a type of sector tag of each sector in order to determine a sector which data should be written into, and determine which type of sector tag should be written into the sector. The data pointer is used for pointing at a location of the sector to be read and written the sector tag and data. A related method is also disclosed.
    • 用于延长非易失性存储器的使用寿命的系统包括非易失性存储器(1)和主机(2)。 非易失性存储器在逻辑上被划分为多个扇区(10),每个扇区(10)存储扇区标签和数据。 主机包括数据写入模块(20),扇区标签写入模块(21),扇区标签检查模块(22)和数据指针(23)。 数据写入模块用于将数据写入每个扇区,并从每个扇区读取数据。 扇区标签写入模块用于根据扇区标签写入规则将一种类型的扇区标签写入每个扇区。 扇区标签检查模块用于检查每个扇区的扇区标签的类型,以便确定哪个数据应被写入扇区,并且确定哪个类型的扇区标签应被写入扇区。 数据指针用于指向要读取的扇区的位置并写入扇区标签和数据。 还公开了相关方法。
    • 9. 发明申请
    • SYSTEM AND METHOD FOR SYNCHRONIZING COMPUTER FILES BETWEEN A LOCAL COMPUTER AND A REMOTE SERVER
    • 本地计算机与远程服务器之间同步计算机文件的系统和方法
    • US20060129616A1
    • 2006-06-15
    • US11163400
    • 2005-10-18
    • Mien-Chih Chen
    • Mien-Chih Chen
    • G06F17/30
    • G06F16/1787
    • A system for synchronizing files between a local computer (1) and a remote server (3) is provided. The local computer includes: a path designating module (10) for designating a path of a source directory in the local computer and a path of an object directory in the remote server; a file list generating module (12) for generating a file list recording an organization of all sub-directories and files under the source directory; and a transmitting module (14) for transmitting the file list and files to be updated to the remote server. The remote server includes: a receiving module (30) for receiving the file list and the files to be updated; a comparing module (32) for comparing the organization recorded in the file list with an organization of the object directory; and a file synchronizing module (34) for synchronizing files in the object directory.
    • 提供了一种用于在本地计算机(1)和远程服务器(3)之间同步文件的系统。 本地计算机包括:路径指定模块(10),用于指定本地计算机中的源目录的路径和远程服务器中的对象目录的路径; 文件列表生成模块(12),用于生成记录源目录下的所有子目录和文件的组织的文件列表; 以及用于将要更新的文件列表和文件发送到远程服务器的发送模块(14)。 远程服务器包括:接收模块(30),用于接收文件列表和要更新的文件; 比较模块(32),用于将记录在文件列表中的组织与对象目录的组织进行比较; 以及用于同步对象目录中的文件的文件同步模块(34)。