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    • 1. 发明授权
    • Method and apparatus for buffer storage of data packets which are to be transmitted via a connection that has been set up
    • 用于缓冲存储要通过已经建立的连接发送的数据分组的方法和装置
    • US07379442B2
    • 2008-05-27
    • US10491347
    • 2002-09-19
    • Malte BorsumKlaus GaedkeThomas Brune
    • Malte BorsumKlaus GaedkeThomas Brune
    • H04Q7/24H04L12/28H04L12/54
    • G06F5/10G06F5/065H04L47/621H04L49/90H04L49/9031H04L49/9036
    • So-called LCH packets are defined in the Hiperlan Type 2 System for wire-free transmission of video and audio data streams. These LCH packets have a length of 54 data bytes. Furthermore, the Hiperlan/2 Standard provides for so-called ARQ messages to be sent back to the transmitter in an SCH packet in a QOS mode (Quality Of Service), in which all the LCH data packets must be confirmed by the receiver. Space for the LCH and SCH data packets must be provided in a buffer store in the Hiperlan/2 interface for each connection that is set up. When there is a possibility of several hundred connections having been set up, separate reservation of memory areas for LCH and SCH packets would involve considerable complexity for the memory organization. The invention proposes that only one common area be reserved for LCH and SCH packets in the buffer store. The section which is provided for each LCH package is of such a size that it corresponds to a value 2n where nε[0, 1, 2, 3, . . . ], and this results in the hardware unit for the address calculation of these data section starts being greatly simplified. However, the area is chosen to be larger than actually required for the buffer storage of one LCH packet. The SCH packets, which likewise need to be buffer-stored, are entered in the unused part of such a section for an LCH packet. This considerably reduces the complexity for memory organization without having to leave a major proportion of the memory unused.
    • 在Hiperlan Type 2系统中定义了所谓的LCH分组,用于视频和音频数据流的无线传输。 这些LCH数据包的长度为54个数据字节。 此外,Hiperlan / 2标准提供所谓的ARQ消息,以QOS模式(服务质量)发送回发送方,其中所有LCH数据分组必须由接收机确认。 必须在设置的每个连接的Hiperlan / 2接口的缓冲存储器中提供LCH和SCH数据包的空间。 当存在已经建立了数百个连接的可能性时,用于LCH和SCH分组的存储区域的单独预留将涉及存储器组织的相当大的复杂性。 本发明提出在缓冲存储器中仅为LCH和SCH分组保留一个公共区域。 为每个LCH封装提供的部分具有这样的尺寸,使得其对应于值n 2,其中nepsilon [0,1,2,3,..., 。 。 ],这导致这些数据部分的地址计算的硬件单元开始被大​​大简化。 然而,该区域被选择为大于实际需要的一个LCH分组的缓冲存储器。 同样需要缓冲存储的SCH分组被输入到用于LCH分组的这种部分的未使用部分中。 这大大降低了内存组织的复杂性,而无需留下大部分内存未使用。
    • 3. 发明授权
    • Method and apparatus for dealing with write errors when writing information data into flash memory devices
    • 在将信息数据写入闪存设备时处理写入错误的方法和装置
    • US08352780B2
    • 2013-01-08
    • US12819432
    • 2010-06-21
    • Thomas BruneMichael DrexlerDieter Haupt
    • Thomas BruneMichael DrexlerDieter Haupt
    • G06F11/00
    • G06F11/141G06F12/0246G06F2212/7209G11C29/70
    • For writing, flash memory devices are physically accessed in a page-oriented mode, but such devices are not error-free in operation. According to the invention, when writing information data in a bus write cycle in a sequential manner into flash memory devices assigned to a common data bus, at least one of said flash memory devices is not fed for storage with a current section of said information data. In case an error is occurring while writing a current information data section into a page of a current one of said flash memory devices, said current information data section is written into a non-flash memory. During the following bus write cycle, while the flash memory device containing that defective page is normally idle, that idle time period is used for copying the corresponding stored section of said information data from said non-flash memory to a non-defect page of that flash memory device.
    • 对于写入,闪存设备以面向页面的模式进行物理访问,但是这样的设备在操作中不会出错。 根据本发明,当将总线写入周期中的信息数据以顺序的方式写入分配给公共数据总线的闪存器件中时,所述闪存器件中的至少一个不被馈送用于与所述信息数据的当前部分一起存储 。 如果在将当前信息数据部分写入当前所述闪速存储器件的页面中发生错误的情况下,将所述当前信息数据部分写入非闪存存储器。 在下一个总线写周期期间,当包含该故障页的闪存设备通常是空闲时,该空闲时间段用于将所述信息数据的相应存储部分从所述非闪存存储器复制到该非闪存存储器的非缺陷页 闪存设备。
    • 7. 发明申请
    • STORING/READING SEVERAL DATA STREAMS INTO/FROM AN ARRAY OF MEMORIES
    • 存储/读取存储/存储阵列中的几个数据流
    • US20130138875A1
    • 2013-05-30
    • US13816250
    • 2011-08-08
    • Oliver KamphenkelThomas BruneMichael DrexlerStefan Abeling
    • Oliver KamphenkelThomas BruneMichael DrexlerStefan Abeling
    • G06F12/02
    • G06F12/0246G06F13/1684G06F2212/7202G06F2212/7203G06F2212/7208
    • High speed mass storage devices using NAND flash memories (MDY.X) are suitable for recording and playing back a video data stream under real-time conditions, wherein the data are handled page-wise in the flash memories and are written in parallel to multiple memory buses (MBy). However, for operating with multiple independent data streams a significant buffer size is required. According to the invention, data from different data streams are collected in corresponding different buffers (FIFO 1, . . . , FIFO Z) until the amount of collected data in a current buffer corresponds to a current one of the data blocks. Then, the data of the current data block from the current buffer are stored into memories connected to a current one of the memory buses, wherein the following buffered data block of the related data stream is later on stored into memories connected to a following one of the memory buses, the number of the following memory bus being increased with respect to the number of the current memory bus. These steps are repeated, also for the other ones of the data streams using other available ones of the buffers and other ones of the memory buses. In combination with a corresponding buffer control it is possible to allocate and use a minimum number of buffers in a flexible way.
    • 使用NAND闪速存储器(MDY.X)的高速大容量存储装置适用于在实时条件下记录和重放视频数据流,其中数据在闪速存储器中被逐页地处理并被并行写入多个 内存总线(MBy)。 然而,对于使用多个独立数据流进行操作,需要显着的缓冲区大小。 根据本发明,来自不同数据流的数据被收集在相应的不同缓冲器(FIFO 1,...,FIFO Z)中,直到当前缓冲器中收集的数据量对应于当前数据块中的一个。 然后,将来自当前缓冲器的当前数据块的数据存储到连接到当前一个存储器总线的存储器中,其中相关数据流的后续缓冲数据块稍后被存储到连接到下一个存储器总线 存储器总线,相对于当前存储器总线的数量增加了以下存储器总线的数量。 重复这些步骤,对于使用缓冲器中的其他可用缓冲器和其它存储器总线的数据流中的其他步骤也是如此。 结合相应的缓冲区控制,可以以灵活的方式分配和使用最少数量的缓冲区。