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    • 2. 发明申请
    • Printer apparatus and printer control method
    • 打印机设备和打印机控制方法
    • US20020051163A1
    • 2002-05-02
    • US09822231
    • 2001-04-02
    • Fujitsu Limited, Kawasaki, Japan
    • Kiyoaki Fujikura
    • G06F015/00
    • G06K15/02G06K15/186
    • The printer prints in logical-page units, and is capable of printing a plurality of logical pages on the same physical page when printing a plurality of logical pages on one physical page. This printer apparatus comprises: a mechanical controller for receiving printing commands and controls the printing engine that prints on the printing medium; and a printer controller for receiving printing instructions from the host to print in logical-page units and creating printing data. The printer controller calculates the total physical length of the logical-pages after creating the printing data, then references the physical length of one page of the printing medium, and depending on the results, sends a printing command and the printing data to the mechanical control unit, and also according to the reference results, controls the detection operation of the mechanical controller for detecting when there is no printing medium.
    • 打印机以逻辑页面单位打印,并且当在一个物理页面上打印多个逻辑页面时能够在同一物理页面上打印多个逻辑页面。 该打印机装置包括:机械控制器,用于接收打印命令并控制在打印介质上打印的打印引擎; 以及打印机控制器,用于从主机接收打印指令,以逻辑页面单元打印并创建打印数据。 打印机控制器在创建打印数据之后计算逻辑页面的总物理长度,然后参考打印介质的一页的物理长度,根据结果,将打印命令和打印数据发送到机械控制 单元,并且根据参考结果,控制机械控制器的检测操作,用于当没有打印介质时检测。
    • 3. 发明申请
    • Cache controlling device and processor
    • 缓存控制设备和处理器
    • US20020040421A1
    • 2002-04-04
    • US09817258
    • 2001-03-27
    • FUJITSU LIMITED KAWASAKI, JAPAN
    • Toshiyuki Muta
    • G06F012/08G06F012/00
    • G06F9/383G06F12/0862
    • To perform a data replace control activated prior to the execution of a cache memory reference instruction so as to reduce the latency when a miss occurs to a cache memory. In a cache replace control of a load store unit, a load store unit controlling device comprises a first queue selection logical circuit 41, a second queue selection logical circuit 42 and a mediating unit 43, wherein the first queue selection logical circuit sequentially selects access instructions to access the cache memory which are stored in queues 31, wherein the second queue selection logical circuit selects unissued access instructions of the access instructions to access the cache memory which are stored in the queues prior to the selections by the first queue selection logical circuit, and wherein the mediating unit mediates between the access instructions selected by the first queue selection logical circuit and the pre-access instructions selected by the second queue selection logical circuit for accessing the cache memory.
    • 执行在执行高速缓存存储器参考指令之前激活的数据替换控制,以便在高速缓存存储器发生未命中时减少等待时间。 在加载存储单元的高速缓存替换控制中,加载存储单元控制装置包括第一队列选择逻辑电路41,第二队列选择逻辑电路42和中介单元43,其中第一队列选择逻辑电路顺序地选择访问指令 访问存储在队列31中的高速缓冲存储器,其中第二队列选择逻辑电路选择访问指令的未发布的访问指令以访问由第一队列选择逻辑电路进行选择之前存储在队列中的高速缓冲存储器, 并且其中所述中介单元在由所述第一队列选择逻辑电路选择的访问指令与由所述第二队列选择逻辑电路选择的用于访问所述高速缓冲存储器的所述预访问指令之间进行中介。
    • 8. 发明申请
    • Clock supply control apparatus and method
    • 时钟供应控制装置及方法
    • US20020019953A1
    • 2002-02-14
    • US09811572
    • 2001-03-20
    • Fujitsu Limited, Kawasaki, Japan
    • Kenji Urita
    • G06F001/12G06F005/06G06F001/04
    • G06F1/3237G06F1/3203G06F13/4221Y02D10/128Y02D10/151
    • In a clock supply control apparatus and method of the invention, a clock signal is generated, and supply of the generated clock signal from a clock supply logic unit to a second device of a computer system is controlled in response to a clock control signal, the second device being operable with the clock signal supplied from the clock supply logic unit. The clock control signal is set at one of a supply inhibition level and a supply allowance level in response to a state of a clock run signal line, the resulting clock control signal being supplied to the clock supply logic unit. A first device of the computer system is operable with the generated clock signal and outputs an interrupt signal to an interrupt signal line regardless of whether the clock control signal is set at the clock supply inhibition level or the clock supply allowance level.
    • 在本发明的时钟供给控制装置和方法中,产生时钟信号,并且响应于时钟控制信号来控制从时钟供给逻辑单元向计算机系统的第二装置的产生的时钟信号的供给, 第二设备可与从时钟供应逻辑单元提供的时钟信号一起工作。 响应于时钟运行信号线的状态,时钟控制信号被设置在电源禁止电平和电源允许电平之一,所产生的时钟控制信号被提供给时钟供应逻辑单元。 无论时钟控制信号是设置在时钟供给禁止电平还是时钟供给允许电平,计算机系统的第一装置可利用生成的时钟信号进行操作,并将中断信号输出到中断信号线。
    • 9. 发明申请
    • Data reproduction device with simplified circuit structure
    • 具有简化电路结构的数据再现装置
    • US20020000926A1
    • 2002-01-03
    • US09774100
    • 2001-01-31
    • Fujitsu Limited, Kawasaki, Japan
    • Akira NanbaKenichi HamadaMasakazu Taguchi
    • H03M001/12
    • G11B20/1403G11B20/10009
    • A data reproduction device includes an A/D converter quantizing a reproduction signal read from data recorded on a recording medium to produce quantized data based on a sampling clock; a reproduction signal determination unit determining rising and falling parts of the reproduction signal based on the quantized data, and outputting a gate signal corresponding to a result of determining the rising and falling parts; a leading-edge clock generation unit generating a leading-edge clock signal synchronous to a leading edge indicating a rising part of the reproduction signal; a trailingedge clock generation unit generating a trailingedge clock signal synchronous to a trailing edge indicating a falling part of the reproduction signal; a signal switch unit generating the sampling clock by selecting one of the leading-edge clock signal and the trailing-edge clock signal based on a value of the gate signal; and a signal supply unit supplying the sampling clock to the A/D converter, wherein the data reproduction device reproduces the data recorded on the recording medium by executing digital signal processing on the quantized data. The data reproduction device can share a single A/D converter and a single decoder used for reproducing recorded data based on clocks synchronous to a leading edge and a trailing edge of the recording pit. As a result, a circuit structure of the data reproduction device is simplified, thereby achieving decreases in a size of an implementation area and in the number of implemented parts in the circuit structure of the data reproduction device.
    • 数据再现装置包括:量化从记录在记录介质上的数据读取的再现信号的A / D转换器,以产生基于采样时钟的量化数据; 再现信号确定单元,基于量化数据确定再现信号的上升和下降部分,并输出与确定上升和下降部分的结果相对应的门信号; 前沿时钟产生单元,产生与指示再现信号的上升部分的前沿同步的前沿时钟信号; 后沿时钟生成单元,产生与指示再现信号的下降部分的后沿同步的后沿时钟信号; 信号切换单元,基于所述门信号的值,选择所述前沿时钟信号和所述后沿时钟信号之一,生成所述采样时钟; 以及将采样时钟提供给A / D转换器的信号供给单元,其中数据再现装置通过对量化数据执行数字信号处理来再现记录在记录介质上的数据。 数据再现装置可以基于与记录凹坑的前沿和后沿同步的时钟来共享单个A / D转换器和用于再现记录数据的单个解码器。 结果,简化了数据再现装置的电路结构,从而实现了数据再现装置的电路结构中的实现区域的大小和实现部分的数量的减少。