公开(公告)号：US20080046656A1

公开(公告)日：2008-02-21

申请号：US11790265

申请日：2007-04-24

申请人： Takaharu Ishizuka ,  Toshikazu Ueki ,  Makoto Hataida ,  Takashi Yamamoto ,  Yuka Hosokawa ,  Takeshi Owaki ,  Daisuke Itou

发明人： Takaharu Ishizuka ,  Toshikazu Ueki ,  Makoto Hataida ,  Takashi Yamamoto ,  Yuka Hosokawa ,  Takeshi Owaki ,  Daisuke Itou

IPC分类号： G06F12/12 ,  G06F15/76

CPC分类号： G06F12/0833

摘要： A request issued by the CPU is output from the local arbiter by way of the CPU bus and the CPU-issued request queue. The cache replacement request loop-back circuit determines at the loop-back determination circuit whether the outputted request is a cache replacement request or not. A request other than a cache replacement request is output onto the local bus. A cache replacement request is output to the selector and sent to the request handling section when there is no valid request on the global bus.

摘要翻译： 通过CPU总线和CPU发出的请求队列，从本地仲裁器输出CPU发出的请求。 高速缓存替换请求环回电路在环回确定电路中确定输出的请求是否是高速缓存替换请求。 除了缓存替换请求之外的请求被输出到本地总线上。 当全局总线上没有有效请求时，高速缓存替换请求被输出到选择器并发送到请求处理部分。

公开(公告)号：US20070230840A1

公开(公告)日：2007-10-04

申请号：US11730144

申请日：2007-03-29

申请人： Takafumi Asada ,  Hiroaki Saito ,  Daisuke Itou ,  Keigo Kusaka ,  Hiroyuki Kiriyama

发明人： Takafumi Asada ,  Hiroaki Saito ,  Daisuke Itou ,  Keigo Kusaka ,  Hiroyuki Kiriyama

IPC分类号： F16C32/06

CPC分类号： F16C33/102 ,  F16C17/107 ,  F16C33/107 ,  F16C2370/12

摘要： A hydrodynamic bearing rotary device which can reduce rotation friction, and recording and reproducing apparatus including the same are provided. In the hydrodynamic bearing rotary device such as hard disc devices, a rotary shaft having a hub on one end is provided in a bearing of a sleeve so as to be rotatable. Thrust hydrodynamic grooves are provided on the other end surface of the rotary shaft, to form a thrust bearing with the thrust plate. A communication path is provided in the sleeve. The second gap between the hub and the sleeve end surface is used as a flow channel and is connected to the communication path. In this way, the rotation friction torque of the thrust bearing can be made sufficiently small, and internal pressure in bonded portions of the rotary shaft or the bottom plate can be suppressed. Thus, the oil can be prevented from oozing out from a small space of the bonded surfaces. Furthermore, the hydrodynamic bearing can be made thin. These effects can be combined to realize an optimal hydrodynamic bearing rotary device.

摘要翻译： 提供了能够降低旋转摩擦力的流体动力轴承旋转装置，以及包括其的记录和再现装置。 在诸如硬盘装置的流体动力轴承旋转装置中，一个具有一端的轮毂的旋转轴设置在套筒的轴承中以便可旋转。 在旋转轴的另一端面上设置有推力液压动力槽，与止推板形成推力轴承。 在套筒中提供通信路径。 轮毂和套筒端面之间的第二间隙用作流动通道并连接到连通路径。 以这种方式，推力轴承的旋转摩擦转矩可以变得足够小，并且可以抑制旋转轴或底板的接合部分的内部压力。 因此，可以防止油从接合表面的小空间渗出。 此外，流体动力轴承可以变薄。 这些效果可以结合起来，实现最佳的流体动力轴承旋转装置。

公开(公告)号：US20070217721A1

公开(公告)日：2007-09-20

申请号：US11723316

申请日：2007-03-19

申请人： Takafumi Asada ,  Hiroaki Saito ,  Daisuke Itou ,  Hiroyuki Kiriyama ,  Tomoharu Takeda

发明人： Takafumi Asada ,  Hiroaki Saito ,  Daisuke Itou ,  Hiroyuki Kiriyama ,  Tomoharu Takeda

IPC分类号： F16C32/06

CPC分类号： F16C33/102 ,  F16C17/107 ,  F16C33/107 ,  F16C33/74 ,  F16C2370/12

摘要： An object of the present invention is to provide a hydrodynamic bearing type rotary device which can improve rotation performance, suppress a friction torque, and reduce power consumption of motor, and a recording and reproducing apparatus including the same. A shaft having a flange on one end and a hub on the other end is provided with a bearing of a sleeve so as to be rotatable. The sleeve includes a communication hole. A third gap between the hub and the sleeve end surface is a flow path, and is connected to the communication hole. Provided that a first gap between a thrust plate 4 and the flange 3 is S1, a second gap between the flange 3 and a lower end surface of the sleeve 1 is S2, and a third gap between the upper end surface of the sleeve 1 and the hub 7 is S3, widths of the gaps satisfy the relational expression, S3>(S1+S2).

摘要翻译： 本发明的目的是提供一种能够提高旋转性能，抑制摩擦转矩并降低电动机的功率消耗的流体动力轴承型旋转装置，以及包括其的记录和再现装置。 具有一端的凸缘和另一端的毂的轴设置有可旋转的套筒的轴承。 套筒包括一个连通孔。 轮毂和套筒端面之间的第三间隙是流动路径，并连接到连通孔。 假设推力板4和凸缘3之间的第一间隙为S 1，则凸缘3与套筒1的下端面之间的第二间隙为S 2，套筒上端表面之间的第三间隙 1，集线器7为S 3，间隙的宽度满足关系式S 3>（S 1 + S 2）。

公开(公告)号：US08878445B2

公开(公告)日：2014-11-04

申请号：US13314597

申请日：2011-12-08

申请人： Go Takata ,  Shinichiro Kataoka ,  Yasunori Yamamoto ,  Tsukasa Kawahara ,  Ryuji Ueda ,  Daisuke Itou

发明人： Go Takata ,  Shinichiro Kataoka ,  Yasunori Yamamoto ,  Tsukasa Kawahara ,  Ryuji Ueda ,  Daisuke Itou

IPC分类号： G09G3/36 ,  H05B33/08

CPC分类号： H05B33/089 ,  G09G3/3406 ,  G09G2320/0233 ,  H05B33/0815 ,  H05B33/0827 ,  H05B33/083

摘要： Short circuit failures and open circuit failures of light-emitting elements used for the backlight in an LCD panel can be reliably and easily detected. The voltage at the node between each series-connected light-emitting element array and a drive circuit is detected as a monitored voltage. A maximum detector detects the highest and a minimum detector detects the lowest of these monitored voltages. Short circuit or open circuit failure of a light-emitting element is detected by comparing the voltage difference between the maximum detector output and the minimum detector output with a specific reference voltage.

摘要翻译： 可以可靠且容易地检测用于LCD面板中的背光的发光元件的短路故障和开路故障。 每个串联连接的发光元件阵列和驱动电路之间的节点处的电压被检测为监视电压。 最大检测器检测到最高检测器，并且最小检测器检测到这些监控电压中的最低值。 通过将最大检测器输出和最小检测器输出之间的电压差与特定参考电压进行比较来检测发光元件的短路或开路故障。

公开(公告)号：US08078920B2

公开(公告)日：2011-12-13

申请号：US12554318

申请日：2009-09-04

申请人： Atsushi Morosawa ,  Takaharu Ishizuka ,  Toshikazu Ueki ,  Makoto Hataida ,  Yuka Hosokawa ,  Takeshi Owaki ,  Takashi Yamamoto ,  Daisuke Itou

发明人： Atsushi Morosawa ,  Takaharu Ishizuka ,  Toshikazu Ueki ,  Makoto Hataida ,  Yuka Hosokawa ,  Takeshi Owaki ,  Takashi Yamamoto ,  Daisuke Itou

IPC分类号： G06F11/00

CPC分类号： G06F11/1658 ,  G06F11/1641 ,  G06F11/165 ,  G06F11/1687

摘要： An information processing device having two processing units capable of operating in synchronization with each other, includes: a common unit capable of outputting an identical signal to the two processing units; detection units that are respectively provided for the processing units and each detects errors occurred in corresponding processing unit respectively; a comparison unit that compares outputs from the two processing units; and a control unit that controls signals from the processing units to the common unit, based on a detection result of the detection units and a comparison result of the comparison unit, and determines, if errors of an identical type are simultaneously detected by the detection units, that the errors are due to an error of the common unit.

摘要翻译： 具有能够彼此同步操作的两个处理单元的信息处理装置包括：能够向两个处理单元输出相同信号的公共单元; 分别提供给处理单元的检测单元，并分别检测相应处理单元中发生的错误; 比较来自两个处理单元的输出的比较单元; 以及控制单元，其基于检测单元的检测结果和比较单元的比较结果来控制从处理单元到公共单元的信号，并且如果检测单元同时检测到相同类型的错误，则确定 ，错误是由于公共单元的错误。

公开(公告)号：US20110080397A1

公开(公告)日：2011-04-07

申请号：US12821413

申请日：2010-06-23

申请人： Yasunori Yamamoto ,  Shinichiro Kataoka ,  Tsukasa Kawahara ,  Go Takata ,  Ryuji Ueda ,  Daisuke Itou

发明人： Yasunori Yamamoto ,  Shinichiro Kataoka ,  Tsukasa Kawahara ,  Go Takata ,  Ryuji Ueda ,  Daisuke Itou

IPC分类号： G09G5/00 ,  H05B37/02 ,  G09G3/36

CPC分类号： G09G3/342 ,  G09G3/006 ,  H05B33/0827 ,  H05B33/0893

摘要： A backlight drive apparatus for current driving a plurality of strings has a period in which at least one of the strings is a current driven idly during a liquid crystal OFF period, in addition to a current driving period in which video information is displayed via liquid crystals. A failure detection section can monitor stabilized detection voltages in the period when current driven idly and detects failure state of the backlight panel.

摘要翻译： 用于电流驱动多个串的背光驱动装置除了通过液晶显示视频信息的当前驱动时段之外，还具有在液晶关闭期间串联中的至少一个是空载驱动的周期 。 故障检测部可以在电流驱动时检测到背光面板的故障状态的状态下监视稳定的检测电压。

公开(公告)号：US07711899B2

公开(公告)日：2010-05-04

申请号：US11169858

申请日：2005-06-30

申请人： Takaharu Ishizuka ,  Daisuke Itou ,  Takashi Yamamoto

发明人： Takaharu Ishizuka ,  Daisuke Itou ,  Takashi Yamamoto

IPC分类号： G06F12/00 ,  G06F13/00 ,  G06F13/28

CPC分类号： G06F12/0822

摘要： An information processing device of a multiprocessor configuration that can increase significantly the processing capability of read requests. The information processing device comprises a plurality of processing units, a plurality of cache memories for storing temporarily the data read by the plurality of processing units from respective main memories in combination with tag information indicating the state of the data that will be stored, and a system controller for controlling the access of the plurality of processing units to the main memories. The system controller comprises a tag copy unit for holding a copy of the tag information that will be stored in the cache memory, a plurality of write cues for storing write requests, and a store buffer for storing the arbitration results relating to a plurality of write requests that will be stored in the plurality of write cues.

摘要翻译： 多处理器配置的信息处理设备可以显着增加读请求的处理能力。 信息处理装置包括多个处理单元，多个高速缓冲存储器，用于暂时存储来自各个主存储器的多个处理单元读取的数据与表示将被存储的数据的状态的标签信息，以及 系统控制器，用于控制多个处理单元对主存储器的访问。 系统控制器包括用于保存将被存储在高速缓冲存储器中的标签信息的副本的标签复制单元，用于存储写请求的多个写入提示，以及用于存储与多个写入有关的仲裁结果的存储缓冲器 将存储在多个写入提示中的请求。

公开(公告)号：US07694106B2

公开(公告)日：2010-04-06

申请号：US11785891

申请日：2007-04-20

申请人： Toshikazu Ueki ,  Takaharu Ishizuka ,  Makoto Hataida ,  Takashi Yamamoto ,  Yuka Hosokawa ,  Takeshi Owaki ,  Daisuke Itou

发明人： Toshikazu Ueki ,  Takaharu Ishizuka ,  Makoto Hataida ,  Takashi Yamamoto ,  Yuka Hosokawa ,  Takeshi Owaki ,  Daisuke Itou

IPC分类号： G06F9/00

CPC分类号： G06F12/0813 ,  G06F12/1072

摘要： A multiprocessor system includes a judging unit judging whether a read command inputted to a global address crossbar is a read command to a memory on an own system board, an executing unit speculatively executing, when the judging unit judges that the read command is a read command to the memory on the own system board, the read command before global access based on an address notified from the global address crossbar, a setting unit setting for queuing data read from the memory in a data queue provided on a CPU without queuing the data in a data queue provided on the memory, and an instructing unit instructing, based on notification from the global address crossbar, the data queue provided on the CPU to discard the data or transmit the data to the CPU.

摘要翻译： 多处理器系统包括判断单元，判断单元判断输入到全局地址交叉开关的读取命令是否是对自身系统板上的存储器的读取命令，当判断单元判断读取命令是读取命令时，执行单元推测执行 基于从全局地址交叉开关通知的地址，在全局访问之前的读取命令，在CPU上提供的数据队列中从存储器读取数据的设置单元设置，而不排队数据 设置在存储器上的数据队列，以及指示单元，根据来自全局地址交叉开关的通知指示CPU上提供的数据队列，丢弃数据或将数据发送到CPU。

公开(公告)号：US20080046694A1

公开(公告)日：2008-02-21

申请号：US11785891

申请日：2007-04-20

申请人： Toshikazu Ueki ,  Takaharu Ishizuka ,  Makoto Hataida ,  Takashi Yamamoto ,  Yuka Hosokawa ,  Takeshi Owaki ,  Daisuke Itou

发明人： Toshikazu Ueki ,  Takaharu Ishizuka ,  Makoto Hataida ,  Takashi Yamamoto ,  Yuka Hosokawa ,  Takeshi Owaki ,  Daisuke Itou

IPC分类号： G06F9/30

CPC分类号： G06F12/0813 ,  G06F12/1072

摘要： A multiprocessor system includes a judging unit judging whether a read command inputted to a global address crossbar is a read command to a memory on an own system board, an executing unit speculatively executing, when the judging unit judges that the read command is a read command to the memory on the own system board, the read command before global access based on an address notified from the global address crossbar, a setting unit setting for queuing data read from the memory in a data queue provided on a CPU without queuing the data in a data queue provided on the memory, and an instructing unit instructing, based on notification from the global address crossbar, the data queue provided on the CPU to discard the data or transmit the data to the CPU.

摘要翻译： 多处理器系统包括判断单元，判断单元判断输入到全局地址交叉开关的读取命令是否是对自身系统板上的存储器的读取命令，当判断单元判断读取命令是读取命令时，执行单元推测执行 基于从全局地址交叉开关通知的地址，在全局访问之前的读取命令，在CPU上提供的数据队列中从存储器读取数据的设置单元设置，而不排队数据 设置在存储器上的数据队列，以及指示单元，根据来自全局地址交叉开关的通知指示CPU上提供的数据队列，丢弃数据或将数据发送到CPU。

公开(公告)号：US07237955B2

公开(公告)日：2007-07-03

申请号：US10727070

申请日：2003-12-02

申请人： Takafumi Asada ,  Hiroaki Saito ,  Keigo Kusaka ,  Daisuke Itou

发明人： Takafumi Asada ,  Hiroaki Saito ,  Keigo Kusaka ,  Daisuke Itou

IPC分类号： F16C32/06

CPC分类号： F16C33/107 ,  F16C17/045 ,  F16C17/107 ,  F16C2370/12 ,  G11B19/2018

摘要： A high-accuracy, long-life hydrodynamic bearing that does not cause oil film breakage in bearing clearances and a disc rotation apparatus using the bearing is disclosed. Oil film breakage is avoided as negative pressure is prevented from generating between the shaft and sleeve of the hydrodynamic bearing. Herringbone shaped dynamic pressure generating grooves, located on the thrust bearing section and the radial bearing section of the hydrodynamic bearing, are oil filled and have optimum shapes. The optimum shapes prevent the generation negative pressure and thus prevents the coagulation of air bubbles that can cause oil film breakage. The disc rotation apparatus, that holds a reproduction/recording disc, is concentrically secured to the hydrodynamic bearing and rotated. The disc is put into contact with magnetic or optical heads while rotating in the disc rotation apparatus. Both the hydrodynamic bearing and the disc rotation apparatus experience high reliability.

摘要翻译： 公开了一种高精度，长寿命的流体动力轴承，其不会导致轴承间隙中的油膜破裂和使用轴承的盘旋转装置。 避免了油膜断裂，因为防止在流体动力轴承的轴和套筒之间产生负压。 位于推力轴承部分和流体动力轴承的径向轴承部分的人字形动态压力产生槽被充满油并具有最佳形状。 最佳形状可以防止发生负压，从而防止会导致油膜破裂的气泡凝结。 保持再现/记录盘的盘旋转装置同心地固定到流体动力轴承并旋转。 在盘旋转装置中旋转时，盘与磁头或光头接触。 流体动力轴承和圆盘旋转装置都具有高可靠性。