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    • 1. 发明授权
    • Memory management and protection system for virtual memory in computer
system
    • 计算机系统虚拟内存的内存管理和保护系统
    • US5890189A
    • 1999-03-30
    • US753944
    • 1996-12-03
    • Hiroshi NozueMitsuo SaitoKenichi MaedaShigehiro AsanoToshio OkamotoShin SunghoHideo Segawa
    • Hiroshi NozueMitsuo SaitoKenichi MaedaShigehiro AsanoToshio OkamotoShin SunghoHideo Segawa
    • G06F12/10G06F12/14G06F12/00
    • G06F12/1458G06F12/109G06F12/1483G06F12/1491G06F2212/656
    • A memory management and protection system for realizing a high speed execution and a proper and flexible memory access control for multiple programs sharing an identical logical address space. In the system, the memory access is permitted according to a segment identifier identifying a segment in the logical address space, and a memory protection information for a region in each segment including a target right permission to indicate assigned rights to make a memory access from the region to each of the segments, and an execution permission to indicate a type of the memory access permitted by the right permission. Alternatively, a memory access can be permitted by using an access control list to be attached to each address table entry, which stores a plurality of program numbers identifying programs which are permitted to make accesses to the logical address stored in each address table entry, among which one that matches with the current program number is to be searched. Also, it is preferable to allocate a plurality of programs within a limit of available memory protection capacity to an identical logical address space, without any overlap between adjacently allocated address regions.
    • 一种用于实现高速执行的存储器管理和保护系统,以及用于共享相同逻辑地址空间的多个程序的适当且灵活的存储器访问控制。 在系统中,根据标识逻辑地址空间中的段的段标识符,允许存储器访问,以及每个区段中的区域的存储器保护信息,包括目标权限,以指示从存储器访问的指定的权限 区域,以及用于指示由权限许可允许的存储器访问的类型的执行许可。 或者,可以通过使用附加到每个地址表条目的访问控制列表来允许存储器访问,每个地址表条目存储多个程序号,标识被允许访问存储在每个地址表条目中的逻辑地址的程序, 将搜索与当前节目号匹配的那个。 此外,优选地,在可用存储器保护容量的限制内将多个程序分配给相同的逻辑地址空间,而不会在相邻分配的地址区域之间发生任何重叠。
    • 2. 发明授权
    • Multiprocessor system and control method thereof
    • 多处理器系统及其控制方法
    • US06820187B2
    • 2004-11-16
    • US09989028
    • 2001-11-21
    • Shigehiro AsanoMitsuo Saito
    • Shigehiro AsanoMitsuo Saito
    • G06F15163
    • G06F13/28
    • A multiprocessor system including a master processor, a plurality of processor elements, each of which is provided with a local memory, the processor elements being controlled in accordance with commands from the foregoing master processor, and a global memory shared by the plurality of processor elements is disclosed. The processor elements are provided with a command pooling buffer capable of accumulating a plurality of commands, respectively. DMA controllers are also provided with a command pooling buffer capable of accumulating a plurality of commands, respectively. The master processor persistently issues a plurality of commands to the DMA controller and each processor element. A counter array manages the number of the issued commands which have received no response. When the responses are returned with respect to all issued commands, the counter array notifies the master processor of this.
    • 一种多处理器系统,包括主处理器,多个处理器元件,每个处理器元件具有本地存储器,处理器元件根据来自前述主处理器的命令进行控制,以及由多个处理器元件共享的全局存储器 被披露。 处理器元件设置有分别能够累积多个命令的命令池缓冲器。 DMA控制器还具有能分别累积多个命令的命令池缓冲器。 主处理器持续向DMA控制器和每个处理器元件发出多个命令。 计数器阵列管理没有响应的已发出命令的数量。 当相对于所有发出的命令返回响应时,计数器阵列通知主处理器。
    • 3. 发明授权
    • Memory management and protection system for virtual memory in computer
system
    • 计算机系统虚拟内存的内存管理和保护系统
    • US5627987A
    • 1997-05-06
    • US21098
    • 1993-02-23
    • Hiroshi NozueMitsuo SaitoKenichi MaedaShigehiro AsanoToshio OkamotoShin SunghoHideo Segawa
    • Hiroshi NozueMitsuo SaitoKenichi MaedaShigehiro AsanoToshio OkamotoShin SunghoHideo Segawa
    • G06F12/10G06F12/14G06F12/00
    • G06F12/1458G06F12/109G06F12/1483G06F12/1491G06F2212/656
    • A memory management and protection system for realizing a high speed execution and a proper and flexible memory access control for multiple programs sharing an identical logical address space. In the system, the memory access is permitted according to a segment identifier identifying a segment in the logical address space, and a memory protection information for a region in each segment including a target right permission to indicate assigned rights to make a memory access from the region to each of the segments, and an execution permission to indicate a type of the memory access permitted by the right permission. Alternatively, a memory access can be permitted by using an access control list to be attached to each address table entry, which stores a plurality of program numbers identifying programs which are permitted to make accesses to the logical address stored in each address table entry, among which one that matches with the current program number is to be searched. Also, it is preferable to allocate a plurality of programs within a limit of available memory protection capacity to an identical logical address space, without any overlap between adjacently allocated address regions.
    • 一种用于实现高速执行的存储器管理和保护系统,以及用于共享相同逻辑地址空间的多个程序的适当且灵活的存储器访问控制。 在系统中,根据标识逻辑地址空间中的段的段标识符,允许存储器访问,以及每个区段中的区域的存储器保护信息,包括目标权限,以指示从存储器访问的指定的权限 区域,以及用于指示由权限许可允许的存储器访问的类型的执行许可。 或者,可以通过使用附加到每个地址表条目的访问控制列表来允许存储器访问,每个地址表条目存储多个程序号,标识被允许访问存储在每个地址表条目中的逻辑地址的程序, 将搜索与当前节目号匹配的那个。 此外,优选地,在可用存储器保护容量的限制内将多个程序分配给相同的逻辑地址空间,而不会在相邻分配的地址区域之间发生任何重叠。
    • 4. 发明授权
    • Motor-driven steering apparatus
    • 电动转向装置
    • US07654360B2
    • 2010-02-02
    • US11520875
    • 2006-09-14
    • Mitsuo SaitoIsamu Arai
    • Mitsuo SaitoIsamu Arai
    • B62D15/02
    • B62D5/04B62D1/16B62D1/20B62D5/0409B62K5/01B62K5/08
    • In a motor-driven steering apparatus structured such that a motor-driven steering assist unit is interposed between a steering shaft in a handle side and a wheel side steering member, and an input shaft connected to the steering shaft of the motor-driven steering assist unit and an output shaft connected to the wheel side steering member are coupled by a torsion bar and arranged on the same center axis, reference angle position marks are applied to portions existing at the same angle position around the same center axis of the input shaft and the output shaft, in a neutral steering state in which a steering force is not applied to the input shaft of the motor-driven steering assist unit.
    • 在电机驱动的转向装置中,电机驱动的转向辅助单元被插入在手柄侧的转向轴与车轮侧的转向构件之间,以及连接到电动助力转向辅助的转向轴的输入轴 连接到车轮侧转向构件的单元和输出轴通过扭杆联接并且布置在相同的中心轴上,参考角位置标记被施加到围绕输入轴的相同中心轴线的相同角度位置处存在的部分, 所述输出轴处于不向所述电动助力转向辅助单元的输入轴施加转向力的中立转向状态。
    • 7. 发明授权
    • Method and apparatus for branch prediction using branch prediction table
with improved branch prediction effectiveness
    • 使用具有改进的分支预测有效性的分支预测表进行分支预测的方法和装置
    • US5414822A
    • 1995-05-09
    • US863181
    • 1992-04-03
    • Mitsuo SaitoTakeshi AikawaJunji Mori
    • Mitsuo SaitoTakeshi AikawaJunji Mori
    • G06F9/38
    • G06F9/3885G06F9/3806G06F9/3844
    • The branch prediction using a branch prediction table formed by an associative memory which is applicable to a super scalar processor without causing confusion in the branch prediction. The branch prediction uses a branch prediction table for registering entries, each entry including a branching address, a branch target address, and an instruction position indicating a position of the predicted branch instruction in group of instructions to be executed concurrently, or an entry address indicating a position of each entry in the associative memory of the table. A correctness of the predicted branch instruction is checked by using actual branch target address and/or actual instruction position of actual branch instruction encountered in the actual execution of presently fetched instructions. When the predicted branch instruction is incorrect, instructions fetched at a next processing timing are invalidated and the entry in the table is rewritten.
    • 该分支预测使用由适用于超标量处理器的关联存储器形成的分支预测表,而不会导致分支预测中的混淆。 分支预测使用用于登记条目的分支预测表,每个条目包括分支地址,分支目标地址和指示同时执行的指令组中的预测分支指令的位置的指示位置,或指示 每个条目在表的关联记忆中的位置。 通过使用实际分支目标地址和/或在当前取得的指令的实际执行中遇到的实际分支指令的实际指令位置来检查预测分支指令的正确性。 当预测分支指令不正确时,在下一个处理定时取出的指令无效,表中的条目被重写。