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    • 122. 发明申请
    • Apparatus and method for performing a detached load operation in a pipeline microprocessor
    • 在管道微处理器中执行分离的负载操作的装置和方法
    • US20040172521A1
    • 2004-09-02
    • US10776751
    • 2004-02-11
    • VIA Technologies, Inc.
    • Rodney E. HookerDaniel W.J. JohnsonAlbert J. Loper
    • G06F009/00
    • G06F9/3824G06F9/30043G06F9/383G06F9/3836G06F9/3838G06F9/3855G06F9/3861
    • A pipeline microprocessor that distributes the instruction dispatching function between a main instruction dispatcher and dispatching logic within a plurality of execution units is disclosed. If the main instruction dispatcher requests load data from a data cache that indicates the data is unavailable, the instruction dispatcher provides to the appropriate execution unit the load instruction (without the load data), a tag (also known by the cache) uniquely identifying the unavailable data, and a false data valid indicator. The cache subsequently obtains the data and outputs it on a bus along with the tag. The dispatching logic in the execution unit is monitoring the bus looking for a valid tag that matches tags of entries in its queue with invalid data indicators. Upon a match, the dispatching logic obtains the data from the bus and subsequently dispatches the instruction along with the data to a functional unit for execution.
    • 公开了一种在主指令分派器和多个执行单元内的调度逻辑之间分配指令调度功能的流水线微处理器。 如果主指令分派器请求从指示数据不可用的数据高速缓存中加载数据,则指令分派器向适当的执行单元提供加载指令(无加载数据),唯一标识 不可用数据,以及虚假数据有效指标。 缓存随后获得数据并将其与标签一起在总线上输出。 执行单元中的调度逻辑正在监视总线,寻找与无效数据指示符匹配其队列中条目的标签的有效标签。 在匹配时,调度逻辑从总线获得数据,随后将指令与数据一起发送到功能单元以供执行。
    • 126. 发明申请
    • Method and system for reading data from a memory
    • 从存储器读取数据的方法和系统
    • US20030221050A1
    • 2003-11-27
    • US10404425
    • 2003-04-02
    • Via Technologies, Inc.
    • Chen-Kuan Eric HongYi-Jung Su
    • G06F012/00
    • G06F13/1684G11C7/1051G11C7/106G11C7/1066G11C7/22G11C7/222G11C2207/105G11C2207/108
    • Methods and systems consistent with this invention comprise a control circuit for reading data from a memory comprising a plurality of data channels. Such control circuits comprise at least one multiplexer, wherein the at least one multiplexer is configured to route a data strobe signal to a first number of the plurality of data channels for reading the data from the memory when the at least one multiplexer is in a first selected state, and wherein the at least one multiplexer is configured to route the data strobe signal to a second number of the plurality of data channels, wherein the second number is greater than the first number, for reading the data from the memory when the at least one multiplexer is in a second selected state. Such methods and systems may also comprise a clock for generating a data strobe signal, and a flip-flop for latching the data from the memory into the control circuit with the data strobe signal, wherein the data strobe signal does not leave the control circuit.
    • 与本发明一致的方法和系统包括用于从包括多个数据通道的存储器读取数据的控制电路。 这样的控制电路包括至少一个多路复用器,其中至少一个多路复用器配置成将数据选通信号路由到多个数据通道的第一数目,以便当至少一个多路复用器处于第一 并且其中所述至少一个多路复用器被配置为将所述数据选通信号路由到所述多个数据信道的第二数目,其中所述第二数目大于所述第一数量,用于当所述第二数目在所述第一数量时从所述存储器读取数据, 至少一个多路复用器处于第二选择状态。 这样的方法和系统还可以包括用于产生数据选通信号的时钟,以及用于使用数据选通信号将来自存储器的数据锁存到控制电路中的触发器,其中数据选通信号不离开控制电路。
    • 127. 发明申请
    • Method for controlling optical pickup head upon switching from following mode to seeking mode
    • 用于在从后续模式切换到寻找模式时控制光学拾取头的方法
    • US20030218944A1
    • 2003-11-27
    • US10411788
    • 2003-04-11
    • Via Technologies, Inc.
    • Keng-Lon LeiRonnie Lai
    • G11B007/085
    • G11B7/08529G11B7/0941G11B7/0945
    • A method for controlling an optical pickup head of an optical processing apparatus is provided. A first lead-lag compensator is disabled and a second lead-lag compensator is enabled when the optical pickup head switches from a following mode to a seeking mode. Then, an initial operating factor of the second lead-lag compensator is determined according to a last input value and a last output value of the first lead-lag compensator. An initial kick force of the actuator in the seeking mode is calculated by realizing the last input value and the last output value of the first lead-lag compensator immediately before the first lead-lag compensator is disabled. Finally, the optical pickup head is actuated to perform a seeking operation with the initial kick force.
    • 提供了一种用于控制光学处理装置的光学拾取头的方法。 第一引导滞后补偿器被禁止,并且当光学拾取头从后续模式切换到寻找模式时,启用第二引导滞后补偿器。 然后,根据第一引导滞后补偿器的最后输入值和最后输出值来确定第二引导滞后补偿器的初始操作系数。 通过在第一超前滞后补偿器被禁用之前实现最后的输入值和第一超前滞后补偿器的最后一个输出值来计算寻求模式下的致动器的初始踢力。 最后,光学拾取头被致动以用初始踢力执行寻找操作。
    • 128. 发明申请
    • Serial-to-parallel data converter and method of conversion
    • 串行到并行数据转换器和转换方法
    • US20030193424A1
    • 2003-10-16
    • US10287662
    • 2002-11-05
    • Via Technologies, Inc.
    • Chin-Yi Chiang
    • H03M009/00
    • H03M9/00
    • The present invention improves the drawback of requiring more clock signals in conventional high-frequency serial-to-parallel conversions that often use multi-phase clock circuits. The needed number of phase clocks is the bit width of the parallel data. In addition to effectively reduce the number of required clocks, the present invention can further solve the setup time problem associated with the switching one of two parallel data receivers as the parallel data output. A pre-register is employed in the converter of the present invention. Since this pre-register does not need switch control, it does not have the setup time problem during parallel data switching.
    • 本发明改进了在常规使用多相时钟电路的常规高频串并转换中需要更多时钟信号的缺点。 所需的相位时钟数是并行数据的位宽。 除了有效地减少所需时钟的数量之外,本发明还可以解决与并行数据输出两个并行数据接收机之一切换相关联的建立时间问题。 在本发明的转换器中采用预寄存器。 由于该预寄存器不需要开关控制,因此在并行数据切换期间不具有设置时间问题。
    • 129. 发明申请
    • Clock signal synthesizer with multiple frequency outputs and method for synthesizing clock signal
    • 具有多个频率输出的时钟信号合成器和用于合成时钟信号的方法
    • US20030174245A1
    • 2003-09-18
    • US10231847
    • 2002-08-30
    • VIA TECHNOLOGIES, INC.
    • Chuan-Chen LeeChia-Liang TaiYi-Chieh Huang
    • H04N011/20
    • H04N7/012H04N5/06H04N9/641
    • A method for synthesizing a clock signal with multiple frequency outputs for use in a converter for converting a non-interlacing scan data into an interlacing scan data is disclosed. The converter provides a first reference clock signal with a frequency F1. The method includes the steps of receiving the first reference clock signal with the frequency F1 to generate and output a clock signal with a frequency F1nullN, proceeding a divided-by-P1 and a divided-by-P2 operations on the clock signal with a frequency F1nullN, respectively, to output a first output clock signal with a frequency F1nullN/P1 and a second output clock signal with a frequency F1nullN/P2, respectively. The value P2/P1 correlates to a ratio of the pixel number of a horizontal scan line in the non-interlacing scan data to that in the interlacing scan data. In addition, a clock signal synthesizer with multiple frequency outputs is also disclosed.
    • 公开了一种用于将用于将非隔行扫描数据转换为隔行扫描数据的转换器中用于多个频率输出的时钟信号的方法。 转换器提供频率为F1的第一个参考时钟信号。 该方法包括以频率F1接收第一参考时钟信号以产生和输出具有频率F1xN的时钟信号的步骤,以频率进行P1分频和P2分频操作 F1xN,以分别输出频率为F1xN / P1的第一输出时钟信号和频率为F1xN / P2的第二输出时钟信号。 值P2 / P1与非隔行扫描数据中的水平扫描线的像素数与隔行扫描数据中的水平扫描线的像素数的比率相关。 此外,还公开了具有多个频率输出的时钟信号合成器。
    • 130. 发明申请
    • Long-distance network transmission structure and associated device
    • 长距离网络传输结构及相关设备
    • US20030147359A1
    • 2003-08-07
    • US10338733
    • 2003-01-09
    • VIA TECHNOLOGIES, INC.
    • Murphy Chen
    • H04B003/36
    • H04B3/36
    • This invention discloses a long-distance network transmission structure and associated device thereof. The invention utilizes the CAT-5 transmission line network to achieve a high-speed long-distance network tranceiving. A DSP PHY (Digital Signal Processing Physical) is employed in the long-distance network transmission structure to receive a data signal from the transmission line. The signal is then driven to clients with a common PHY without DSP capability or a DSP PHY. Through such a DSP PHY, the signal can be transmitted over 3000 ft and the transmission rate can reach duplex 100 Mbps. Two pairs of cords inside the CAT-5 network transmission line are used to provide the full duplex data tranceiving and the other two spare cords provide electrical power for a repeater. Therefore, the long-distance transmission structure and associated device thereof can effectively reduce the cost for both network service providers and clients and facilitate the installation.
    • 本发明公开了一种长距离网络传输结构及其相关装置。 本发明利用CAT-5传输线网络实现高速长途网络的恍惚。 在长距离网络传输结构中采用DSP PHY(数字信号处理物理)来从传输线接收数据信号。 然后,该信号被驱动到具有不具有DSP能力的公共PHY的客户端或DSP PHY。 通过这样的DSP PHY,信号可以在3000英尺以上传输,传输速率可以达到双工100 Mbps。 CAT-5网络传输线内的两条电线用于提供全双工数据保护,另外两条备用电缆为中继器提供电源。 因此,长距离传输结构及其相关设备可以有效降低网络服务提供商和客户端的成本,便于安装。