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    • 92. 发明申请
    • Low Latency First-In-First-Out (FIFO) Buffer
    • 低延迟先进先出(FIFO)缓冲区
    • US20120079144A1
    • 2012-03-29
    • US13208675
    • 2011-08-12
    • Evgeny ShumskyJonathan Kushnir
    • Evgeny ShumskyJonathan Kushnir
    • G06F5/14
    • G06F5/12G06F5/065G06F5/14G06F5/16G06F2205/065G06F2205/126
    • Systems and methods are provided for a first-in-first-out buffer. A buffer includes a first sub-buffer configured to store data received from a buffer input, and a second sub-buffer. The second sub-buffer is configured to store data received from either the buffer input or the first sub-buffer and to output data to a buffer output in a same order as that data is received at the buffer input. Buffer control logic is configured to selectively route data from the buffer input or the first sub-buffer to the second sub-buffer so that data received at the buffer input is available to be output from the second sub-buffer in a first-in-first-out manner.
    • 为先进先出缓冲区提供系统和方法。 缓冲器包括被配置为存储从缓冲器输入接收的数据的第一子缓冲器和第二子缓冲器。 第二子缓冲器被配置为存储从缓冲器输入或第一子缓冲器接收的数据,并以与在缓冲器输入处接收的数据相同的顺序将数据输出到缓冲器输出。 缓冲器控制逻辑被配置为选择性地将数据从缓冲器输入或第一子缓冲器路由到第二子缓冲器,使得在缓冲器输入处接收到的数据可用于以第一子缓冲器的方式从第二子缓冲器输出, 先到先得。
    • 93. 发明授权
    • Information processor system
    • 信息处理器系统
    • US07873796B2
    • 2011-01-18
    • US11292218
    • 2005-12-02
    • Seiji Miura
    • Seiji Miura
    • G06F12/00G06F13/00
    • G06F5/12G06F13/1663G06F13/1673
    • In an information processor system including a memory device (MEM0), a memory control device (SL0) capable of controlling an operation of the memory device, and a plurality of bus masters (MS0 to MS3) capable of giving access to the memory device through the memory control device, the memory control device includes a control circuit (SDCON) capable of giving a notice of information about a time that a data transfer from the memory device can be started to the bus master related to an access request. The bus master can cause the time information thus given to be a judgment factor as to whether an access request is given to the memory device or not. Consequently, each of the bus masters can avoid the generation of a useless access request and a data transfer to the masters to be accessed can be carried out smoothly.
    • 在包括存储装置(MEM0),能够控制存储装置的动作的存储器控​​制装置(SL0)的信息处理器系统中,以及能够通过存储装置访问存储装置的多个总线主机(MS0〜MS3) 存储器控制装置,存储器控制装置包括控制电路(SDCON),该控制电路能够提供关于来自存储器装置的数据传输可以开始到与访问请求有关的总线主机的时间的信息的通知。 总线主机可以使得给出的时间信息成为关于是否向存储器件提供访问请求的判断因素。 因此,每个总线主机可以避免产生无用的访问请求,并且可以顺利地执行要访问的主机的数据传送。
    • 96. 发明授权
    • System for designing data structures
    • 用于设计数据结构的系统
    • US07668983B2
    • 2010-02-23
    • US10692957
    • 2003-10-24
    • Anand Pande
    • Anand Pande
    • H03M1/22H03M7/14H03M7/04H03K21/00G06F17/00G06F3/00G06F9/26
    • G06F5/10G06F5/12G06F2205/102G06F2205/126
    • Systems and methods for designing data structures are provided. In one embodiment, an asynchronous first-in-first-out (FIFO) data structure may include, for example, a FIFO memory having a depth d in which d is an integer and a code generator coupled to the FIFO memory. The code generator may provide, for example, a first code sequence of length 2d. The first code sequence may have a circular property and a Hamming length of one for any two consecutive codes of the first code sequence. The first code sequence may be generated from a second code sequence by removing one or more pairs of mirrored codes of the second code sequence.
    • 提供了设计数据结构的系统和方法。 在一个实施例中,异步先入先出(FIFO)数据结构可以包括例如具有深度d的FIFO存储器,其中d是整数,以及耦合到FIFO存储器的代码产生器。 代码生成器可以提供例如长度为2d的第一代码序列。 对于第一代码序列的任何两个连续代码,第一代码序列可以具有圆形属性和汉明长度1。 可以通过去除第二代码序列的一个或多个镜像代码对,从第二代码序列生成第一代码序列。
    • 97. 发明授权
    • Fault-tolerant computer and method of controlling data transmission
    • 容错计算机和数据传输控制方法
    • US07653764B2
    • 2010-01-26
    • US11302176
    • 2005-12-14
    • Fumitoshi Mizutani
    • Fumitoshi Mizutani
    • G06F13/28G06F5/00G06F11/00
    • G06F11/1645G06F5/12G06F11/1679G06F2205/126
    • A fault-tolerant computer is capable of performing a data flow control process in a short period of time. The fault-tolerant computer includes a pair of duplicate systems each having a CPU subsystem and an IO subsystem. The IO subsystems of the duplicate systems are connected to each other through a cross link. The CPU system has an inbound reception buffer which receives data sent from the IO subsystem, and when the amount of the received data reaches a first threshold value, sends a first signal to the IO subsystem, and when the amount of the received data reaches a second threshold value greater than the first threshold value, sends a second signal to the IO subsystem. The IO subsystem has an IO I/F controller to stop sending data to the CPU subsystem when the IO I/F controller receives the first signal and the second signal, and a flow controller to send the second signal to the IO I/F controller of the paired IO subsystem through the cross link after the flow controller receives the second signal.
    • 容错计算机能够在短时间内执行数据流控制过程。 容错计算机包括一对重复的系统,每个系统具有CPU子系统和IO子系统。 重复系统的IO子系统通过交叉链接彼此连接。 CPU系统具有接收从IO子系统发送的数据的入站接收缓冲器,当接收到的数据量达到第一阈值时,向IO子系统发送第一信号,当接收到的数据量达到 第二阈值大于第一阈值,向IO子系统发送第二信号。 IO子系统具有IO I / F控制器,当IO I / F控制器接收到第一信号和第二信号时,停止向CPU子系统发送数据,以及流量控制器将第二信号发送到IO I / F控制器 在流量控制器接收到第二信号之后通过交叉连接的成对的IO子系统。
    • 98. 发明授权
    • Method and apparatus for resetting a gray code counter
    • 用于复位灰色代码计数器的方法和装置
    • US07636834B2
    • 2009-12-22
    • US10302489
    • 2002-11-21
    • Chengfuh Jeffrey TangJiann-Tsuen Chen
    • Chengfuh Jeffrey TangJiann-Tsuen Chen
    • G06F13/00G11C7/10G06F5/00
    • G06F5/10G06F5/12G06F5/14G06F13/1673G06F2205/102
    • Aspects of the invention may include gradually decrementing or incrementing a write pointer (370) associated with a data buffer such as the FIFO buffer (310) until a reset value of the write pointer (370) is reached in response to an indication that a data buffer controlled by the gray code counter is empty. Additionally, a read pointer (380) associated with the data buffer (310) may be gradually incremented or decremented until a reset value of the read pointer (380) is reached in response to an indication that the data buffer controlled by the gray code counter is full. The data buffer may be a first-in-first-out (FIFO) buffer such as FIFO buffer 310, which may be asynchronously clocked. The data buffer may be adapted to buffer any one or a combination of video, voice and data.
    • 本发明的各方面可以包括逐渐递减或增加与诸如FIFO缓冲器(310)的数据缓冲器相关联的写指针(370),直到达到写指针(370)的复位值,以响应于指示数据 由灰色代码计数器控制的缓冲区为空。 此外,与数据缓冲器(310)相关联的读指针(380)可以逐渐递增或递减,直到响应于由灰码计数器控制的数据缓冲器的指示达到读指针(380)的复位值 已满。 数据缓冲器可以是先入先出(FIFO)缓冲器,例如可以异步计时的FIFO缓冲器310。 数据缓冲器可以适于缓冲视频,语音和数据的任何一种或组合。
    • 100. 发明申请
    • Method for accessing a first-in-first-out (FIFO) buffer and a FIFO controller therefor
    • 用于访问先进先出(FIFO)缓冲器和FIFO控制器的方法
    • US20090216940A1
    • 2009-08-27
    • US12071828
    • 2008-02-27
    • Mu-Hsien HSUTzung-Ren Wang
    • Mu-Hsien HSUTzung-Ren Wang
    • G06F12/00
    • G06F5/12G06F2205/126
    • A method of for accessing a first-in-first-out (FIFO) buffer is provided. The method comprises the following two steps. Firstly, issue a request to access a memory when the amount of the data buffered in the FIFO buffer is more than a threshold. Second, pop the data buffered in the FIFO buffer out to access the memory when the request is granted. If the FIFO buffer is a single-port FIFO buffer, the threshold is set based on the burst length of one burst of data. If the FIFO buffer is a dual-port FIFO buffer, the threshold is set based on the speed at which the data is pushed into the FIFO buffer and the speed at which the data is popped out of the FIFO buffer.
    • 提供了一种用于访问先进先出(FIFO)缓冲器的方法。 该方法包括以下两个步骤。 首先,当缓冲在FIFO缓冲器中的数据量大于阈值时,发出访问存储器的请求。 其次,弹出FIFO缓冲区中缓存的数据,以便在请求被授权时访问内存。 如果FIFO缓冲器是单端口FIFO缓冲器,则基于一个突发数据的突发长度来设置该阈值。 如果FIFO缓冲器是双端口FIFO缓冲器,则基于将数据推入FIFO缓冲器的速度和数据从FIFO缓冲器中弹出的速度来设置阈值。