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    • 81. 发明申请
    • Method of resource arbitration
    • 资源仲裁方法
    • US20050125581A1
    • 2005-06-09
    • US10730952
    • 2003-12-09
    • Jeffrey BrownScott ClarkCharles JohnsTakeshi Yamazaki
    • Jeffrey BrownScott ClarkCharles JohnsTakeshi Yamazaki
    • G06F13/14G06F13/362
    • G06F13/3625
    • An improved method and apparatus for resource arbitration. Four priority classes, managed high (MH), managed low (ML), opportunistic high (OH) and opportunistic low (OL), are defined. A priority class is assigned to each resource access request. An access request concentrator (ARC) is created for each resource, through which the resource is accessed. An access request is chosen at each ARC using the priority order MH, ML, OH, and OL, in decreasing order of priority. If OH priority class resource access requests are locked out, the priority order is temporarily changed to OH, OL, MH, and ML, in decreasing order of priority. If OL priority class resource access requests are locked out, the priority order is temporarily changed to MH, OL, OH, and ML, in decreasing order of priority.
    • 一种改进的资源仲裁方法和装置。 定义了四个优先级,管理高(MH),管理低(ML),机会高(OH)和机会主义低(OL)。 优先级分配给每个资源访问请求。 为每个资源创建访问请求集中器(ARC),通过该资源访问资源。 在优先级顺序为MH,ML,OH和OL的每个ARC中选择访问请求。 如果OH优先级资源访问请求被锁定,优先级顺序将按照优先级的降序暂时更改为OH,OL,MH和ML。 如果OL优先级资源访问请求被锁定,优先级顺序将按照优先级的降序临时更改为MH,OL,OH和ML。
    • 83. 发明申请
    • System and method for data synchronization for a computer architecture for broadband networks
    • 宽带网络计算机架构的数据同步系统和方法
    • US20050081209A1
    • 2005-04-14
    • US10967433
    • 2004-10-18
    • Masakazu SuzuokiTakeshi Yamazaki
    • Masakazu SuzuokiTakeshi Yamazaki
    • G06F12/14G06F15/16G06F15/80G06F21/24H04L29/06G06F9/46
    • G06F12/1466H04L69/12
    • A computer architecture and programming model for high speed processing over broadband networks are provided. The architecture employs a consistent modular structure, a common computing module and uniform software cells. The common computing module includes a control processor, a plurality of processing units, a plurality of local memories from which the processing units process programs, a direct memory access controller and a shared main memory. A synchronized system and method for the coordinated reading and writing of data to and from the shared main memory by the processing units also are provided. A processing system for processing computer tasks is also provided. A first processor is of a first processor type and a number of second processors are of a second processor type. One of the second processors manages process scheduling of computing tasks by providing tasks to at least one of the first and second processors.
    • 提供了一种用于宽带网络高速处理的计算机体系结构和编程模型。 该架构采用一致的模块化结构,通用的计算模块和统一的软件单元。 公共计算模块包括控制处理器,多个处理单元,处理单元处理程序的多个本地存储器,直接存储器存取控制器和共享主存储器。 还提供了一种用于由处理单元协调地读取和从共享主存储器写入数据的同步系统和方法。 还提供了一种用于处理计算机任务的处理系统。 第一处理器是第一处理器类型,并且多个第二处理器是第二处理器类型。 第二处理器之一通过向第一和第二处理器中的至少一个提供任务来管理计算任务的进程调度。
    • 84. 发明授权
    • Encoding device
    • 编码设备
    • US06549676B1
    • 2003-04-15
    • US09412432
    • 1999-10-05
    • Tadayoshi NakayamaHiroshi KajiwaraTakeshi Yamazaki
    • Tadayoshi NakayamaHiroshi KajiwaraTakeshi Yamazaki
    • G06K936
    • G06T9/004
    • The objective of the present invention is to perform fast variable-length coding that is applied for lossless compression and encoding. To achieve this objective, an encoding device comprises a unit for determining, from a plurality of states, states of peripheral pixels of an object pixel to be encoded, a unit for producing a predicted value of the object pixel based on the peripheral pixels, a memory used for storing a k parameter (k≦0) for each of the plurality of states, a unit for encoding a prediction difference between the value of the object pixel and a predicted value to variable-length code having a code length that is obtained by using the prediction difference and the k parameter that is stored in the memory and corresponds to the state determined by the state determination unit and a unit for, after variable-length encoding is performed for the object pixel, updating in advance the k parameter in order to perform variable-length encoding for another pixel that has the same state as the state determined by the state determination unit, and for writing the k parameter to the memory.
    • 本发明的目的是执行用于无损压缩和编码的快速可变长度编码。 为了实现该目的,编码装置包括用于从多个状态确定要编码的对象像素的周边像素的状态的单元,用于基于周边像素产生对象像素的预测值的单元, 用于存储多个状态中的每一个的ak参数(k <= 0)的存储器,用于将对象像素的值与预测值之间的预测差编码为具有获得的代码长度的可变长度代码的单元 通过使用存储在存储器中的预测差和k参数,并且对应于由状态确定单元确定的状态,并且在针对对象像素执行可变长度编码之后的单元,预先更新k参数 为与由状态判定单元确定的状态具有相同状态的另一像素执行可变长度编码,并将k参数写入存储器。
    • 88. 发明授权
    • Multiprocessor system for locally managing address translation table
    • 用于本地管理地址转换表的多处理器系统
    • US5649141A
    • 1997-07-15
    • US497447
    • 1995-06-30
    • Takeshi Yamazaki
    • Takeshi Yamazaki
    • G06F15/16G06F12/02G06F12/10G06F15/177
    • G06F12/1072G06F12/0284
    • An address translation technique used in a multiprocessor system is disclosed. In a multiprocessor system for connecting a plurality of clusters with each other via a network, each of these clusters is arranged by comprising a plurality of processors; a cluster translator for translating a cluster number; a cluster translation table for storing therein a correspondence relationship between a logical cluster number and a physical cluster number; an address translator for translating an address; and an address translation table for storing therein a correspondence relationship between a logical address and a physical address. The address translation table stores only the data corresponding to a memory employed in the cluster. Accordingly, a total storage capacity of the address translation tables is reduced, and an updating operation of the address translation tables is simplified. Furthermore, the address translation table is exclusively identified based on a local job number and the cluster number, so that operation to update the address translation table is simplified.
    • 公开了一种在多处理器系统中使用的地址转换技术。 在用于经由网络将多个集群彼此连接的多处理器系统中,通过包括多个处理器来布置这些集群中的每一个; 用于翻译簇号的群集翻译器; 集群转换表,用于在其中存储逻辑簇号和物理簇号之间的对应关系; 用于翻译地址的地址转换器; 以及用于在其中存储逻辑地址和物理地址之间的对应关系的地址转换表。 地址转换表仅存储与集群中使用的存储器相对应的数据。 因此,减少了地址转换表的总存储容量,并简化了地址转换表的更新操作。 此外,地址转换表是基于本地作业号和簇号唯一地标识的,因此简化了更新地址转换表的操作。
    • 89. 发明授权
    • Optical pick-up apparatus with holographic optical element to diffract
both forward and return light beams
    • 具有全息光学元件的光学拾取装置,用于衍射光束和反射光束
    • US5648946A
    • 1997-07-15
    • US341087
    • 1994-11-17
    • Takeshi Yamazaki
    • Takeshi Yamazaki
    • G11B7/09G11B7/12G11B7/13G11B7/135
    • G11B7/1353G11B7/0943G11B7/123G11B7/131G11B7/0903G11B7/0909G11B7/0912
    • An optical pick-up apparatus for recording and/or reading information on and/or from an optical record medium including a semiconductor substrate, a semiconductor laser arranged on the semiconductor substrate, plurality of photodetectors formed in the surface of the semiconductor substrate, a diffraction gratings dividing a laser beam into main beam and two sub-beams, an objective lens projecting the main and sub-beams onto the record medium and directing these beams reflected by the record medium toward a hologram which diffracts each of the main and sub-beams into .+-.1-order beams which are received by the photodetectors. The apparatus is constructed to satisfy the following conditions:NA.multidot.d d/.beta..sup.2 >0.01 mmwherein L mm is a distance between a spot of the main beam and a spot of a sub-beam on the record medium, NA is a numerical aperture of the objective lens on a side of the semiconductor laser, .beta. is a magnification of the objective lens viewed from the record medium to the semiconductor laser and d is a deviation of focal points of +1-order beams and -1-order beams viewed along an optical axis.
    • 一种光学拾取装置,用于在包括半导体衬底的光学记录介质和布置在半导体衬底上的半导体激光器,在半导体衬底的表面中形成的多个光电检测器,和/ 将激光束分成主光束和两个子光束的光栅,物镜将主光束和子光束投影到记录介质上,并将这些由记录介质反射的光束引向全息图,衍射各主光束和副光束 由光电检测器接收的+/- 1级光束。 该装置被构造成满足以下条件:NAxd <|Lxβ| 0.04mm> d /β2> 0.01mm其中L mm是主波束的点与记录上的子光束点之间的距离 介质NA是半导体激光器一侧的物镜的数值孔径,β是从记录介质到半导体激光器的物镜的倍率,d是+ 1级光束的焦点偏差 和沿光轴观察的-1级光束。
    • 90. 发明授权
    • Optical pick-up apparatus having hologram and beam splitter with
birefringent member and polarizing film
    • 具有全息图的光学拾取装置和具有双折射元件和偏光膜的分束器
    • US5621714A
    • 1997-04-15
    • US400757
    • 1995-03-08
    • Shohei KobayashiTakeshi YamazakiHiroyuki Imabayashi
    • Shohei KobayashiTakeshi YamazakiHiroyuki Imabayashi
    • G11B7/09G11B7/12G11B7/125G11B7/13G11B7/135G11B11/105G11B7/00
    • G11B7/1356G11B11/10543G11B7/124G11B7/126G11B7/127G11B7/131G11B7/1353G11B11/10576G11B7/09
    • An optical pick-up apparatus for reproducing information recorded on a magneto-optical record medium including a semiconductor laser emitting a linearly polarized laser beam, and a polarizing film provided between a glass prism and a uniaxial birefringent crystal prism. The laser beam emitted by the semiconductor laser is made incident upon the polarizing film via the glass prism and is reflected thereby. The apparatus further includes an objective lens projecting the laser beam reflected by the polarizing film onto the magneto-optical record medium as a fine spot and converging a return laser beam reflected by the record medium toward the polarizing film. The return beam transmitted through the polarizing film is refracted by the uniaxial birefringent crystal prism and is divided into ordinary light and extraordinary light, which are received by a first photodetector to produce a reproduced information signal. The return beam reflected by the polarizing film is made incident upon a hologram and is diffracted thereby into .+-.1-order beams which are received by a second photodetector to produce a focusing error signal and a tracking error signal.
    • 一种用于再现记录在包括发射线性偏振激光束的半导体激光器的磁光记录介质上的信息的光学拾取装置,以及设置在玻璃棱镜和单轴双折射晶体棱镜之间的偏振膜。 由半导体激光器发射的激光束经由玻璃棱镜入射到偏振膜上并被反射。 该装置还包括将由偏振膜反射的激光束投影到磁光记录介质上的物镜作为细微点,并将由记录介质反射的返回激光束会聚到偏振膜。 透过偏光膜的返回光束被单轴双折射晶体棱镜折射,分为普通的光和非常的光,由第一光电检测器接收以产生再现的信息信号。 由偏振膜反射的返回光束入射到全息图上,并被衍射为由第二光电检测器接收的+/- 1次光束,以产生聚焦误差信号和跟踪误差信号。