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    • 7. 发明授权
    • Synchronizing circuit for stably generating an output signal
    • 用于稳定地产生输出信号的同步电路
    • US07555083B2
    • 2009-06-30
    • US10968507
    • 2004-10-19
    • Bum-Seok Yu
    • Bum-Seok Yu
    • H04L7/00
    • H04L7/02A61F13/38H04L7/0045
    • The present invention relates to a synchronizing circuit for stably generating an output signal irrespective of the frequency difference of clocks. According to the present invention, the synchronizing circuit receives an input signal synchronized with a first clock and then stores a state of the input signal so that the input signal is synchronized with a transition of a second clock. then, the synchronizing circuit generates an output signal synchronized with the transition of the second clock. In addition, an input signal synchronized with the first clock becomes synchronized with the second clock having a lower frequency than the first clock.
    • 本发明涉及一种用于稳定地产生输出信号的同步电路,而与时钟的频率差无关。 根据本发明,同步电路接收与第一时钟同步的输入信号,然后存储输入信号的状态,使得输入信号与第二时钟的转变同步。 则同步电路产生与第二时钟的转变同步的输出信号。 此外,与第一时钟同步的输入信号与具有比第一时钟更低的频率的第二时钟同步。
    • 8. 发明申请
    • Flash Memory Device and Flash Memory System Including a Buffer Memory
    • 包括缓冲存储器的闪存设备和闪存系统
    • US20080195800A1
    • 2008-08-14
    • US12018991
    • 2008-01-24
    • Sang-Woo LeeBum-Seok YuKwang-Seok Im
    • Sang-Woo LeeBum-Seok YuKwang-Seok Im
    • G06F12/02G06F13/28
    • G06F12/0246G06F2212/7203
    • A flash memory device includes a flash memory, a buffer memory and a control unit. The buffer memory temporarily stores data that is to be stored in the flash memory or data that is read from the flash memory. The control unit includes a buffer controller. The buffer controller performs a jump operation for transferring data unnecessary to be updated in the flash memory to an adjacent position of update data in the buffer memory when a size of data necessary to be updated in the flash memory is smaller than a size of a block of the flash memory. Therefore, the flash memory device and a flash memory system including the flash memory device may simplify an update operation with a DMA operation and a performance of a system is enhanced.
    • 闪存器件包括闪速存储器,缓冲存储器和控制单元。 缓冲存储器临时存储要存储在闪速存储器中的数据或从闪存读取的数据。 控制单元包括缓冲器控制器。 当需要在闪存中更新的数据的大小小于块的大小时,缓冲器控制器执行跳转操作,用于将闪存中不必要更新的数据传送到缓冲存储器中的更新数据的相邻位置 的闪存。 因此,闪速存储器件和包括闪速存储器件的闪存系统可以通过DMA操作来简化更新操作,并提高系统的性能。