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    • 43. 发明申请
    • Mobile-unit-dedicated data delivery assistance method
    • 移动单元专用数据传送辅助方法
    • US20060120326A1
    • 2006-06-08
    • US11038496
    • 2005-01-21
    • Tadashi TakeuchiYasuhiro Takahashi
    • Tadashi TakeuchiYasuhiro Takahashi
    • H04Q7/00H04L12/54
    • H04W36/02H04L67/2842H04L67/288
    • Contents delivery to a mobile node which changes its existence position is executed from a delivery node with a high quality. Each cache server is located between each wireless LAN in which the mobile node can exists and a wired network. Each cache server delivers contents from the delivery node to the mobile node while storing the contents into a buffer. When the mobile node has moved, the mobile node transmits a moving notice to a cache server which is connected to a wireless LAN of the moving destination. Having received the moving notice, the cache server acquires the content in the buffer from a cache server which the mobile node had utilized before the moving. This configuration allows retransmission of the contents to the mobile node, thereby resulting in an enhancement in the delivery quality.
    • 从具有高质量的传送节点执行改变其存在位置的移动节点的内容传送。 每个缓存服务器位于移动节点可以存在的每个无线LAN和有线网络之间。 每个缓存服务器将内容从传送节点传送到移动节点,同时将内容存储到缓冲区中。 当移动节点移动时,移动节点将移动通知发送到连接到移动目的地的无线LAN的缓存服务器。 在接收到移动通知之后,缓存服务器从移动节点在移动之前利用的缓存服务器获取缓冲器中的内容。 该配置允许将内容重传到移动节点,从而导致传送质量的增强。
    • 45. 发明授权
    • Process executing method and resource accessing method in computer system
    • 计算机系统中的进程执行方法和资源访问方法
    • US06848102B2
    • 2005-01-25
    • US09838767
    • 2001-04-20
    • Masahiko NakaharaMasaaki IwasakiTadashi TakeuchiTakahiro NakanoKazuyoshi SerizawaShihoko Taguchi
    • Masahiko NakaharaMasaaki IwasakiTadashi TakeuchiTakahiro NakanoKazuyoshi SerizawaShihoko Taguchi
    • G06F9/50G06F9/46
    • G06F9/4812G06F9/485G06F9/542G06F2209/543
    • A process executing method capable of performing multiprocessing by using a shared resource without impairing periodical drivability of processes designed for executing continuous media processing. When a process requests the use of the shared resource, abortion of that process is first disabled by the process itself by using an abort disable function and then preemption of the same process is disabled by means of a preempt control module, whereupon the process enters a processing executed by using the shared resource. Upon completion of the processing for the shared resource, the process is immediately set to a preempt-enabled state by means of a preempt control module. After completion of all the processings, the abort-disabled state is finally cleared by using a disabled-abort clear function. Upon occurrence of forcive termination of a process in the abort-disabled state thereof, execution of this process is continued until the abort-disabled state is cleared, and the process is terminated forcibly after the abort-disabled state has been cleared.
    • 一种能够通过使用共享资源进行多处理而不损害为进行连续的媒体处理而设计的处理的周期性驾驶性的处理执行方法。 当一个进程请求使用共享资源时,流程本身首先通过使用中止禁用功能来禁用该流程,然后通过抢占控制模块禁用同一进程的抢占,从而进程进入 通过使用共享资源执行的处理。 在完成对共享资源的处理之后,通过抢占控制模块立即将处理设置为抢占状态。 在完成所有处理之后,通过使用禁用中止清除功能,终止禁用状态。 一旦发生在中止禁止状态的进程的终止,则继续执行该处理,直到中止禁止状态被清除,并且在中止禁止状态被清除之后强制终止该处理。
    • 46. 发明授权
    • Process executing method and resource accessing method in computer system
    • 计算机系统中的进程执行方法和资源访问方法
    • US06253225B1
    • 2001-06-26
    • US08917477
    • 1997-08-26
    • Masahiko NakaharaMasaaki IwasakiTadashi TakeuchiTakahiro NakanoKazuyoshi SerizawaShihoko Taguchi
    • Masahiko NakaharaMasaaki IwasakiTadashi TakeuchiTakahiro NakanoKazuyoshi SerizawaShihoko Taguchi
    • G06F946
    • G06F9/4812G06F9/485G06F9/542G06F2209/543
    • A process executing method capable of performing multiprocessing by using a shared resource without impairing periodical drivability of processes designed for executing continuous media processing. When a process requests the use of the shared resource, abortion of that process is first disabled by the process itself by using an abort disable function and then preemption of the same process is disabled by means of a preempt control module, whereupon the process enters a processing executed by using the shared resource. Upon completion of the processing for the shared resource, the process is immediately set to a preempt-enabled state by means of a preempt control module. After completion of all the processings, the abort-disabled state is finally cleared by using a disabled-abort clear function. Upon occurrence of forcive termination of a process in the abort-disabled state thereof, execution of this process is continued until the abort-disabled state is cleared, and the process is terminated forcibly after the abort-disabled state has been cleared.
    • 一种能够通过使用共享资源进行多处理而不损害为进行连续的媒体处理而设计的处理的周期性驾驶性的处理执行方法。 当一个进程请求使用共享资源时,流程本身首先通过使用中止禁用功能来禁用该流程,然后通过抢占控制模块禁用同一进程的抢占,从而进程进入 通过使用共享资源执行的处理。 在完成对共享资源的处理之后,通过抢占控制模块立即将处理设置为抢占状态。 在完成所有处理之后,通过使用禁用中止清除功能,终止禁用状态。 一旦发生在中止禁止状态的进程的终止,则继续执行该处理,直到中止禁止状态被清除,并且在中止禁止状态被清除之后强制终止该处理。
    • 47. 发明授权
    • Periodic process scheduling method
    • 定期流程调度方法
    • US5944778A
    • 1999-08-31
    • US824338
    • 1997-03-26
    • Tadashi TakeuchiMasaaki IwasakiMasahiko NakaharaTakahiro Nakano
    • Tadashi TakeuchiMasaaki IwasakiMasahiko NakaharaTakahiro Nakano
    • G06F9/48H04L29/06H04L29/08G06F9/00
    • G06F9/4887H04L29/06G06F2209/484H04L69/32
    • A scheduling method of a periodic process of a computer system for keeping the execution interval of each process group constant as far as possible in the case where a plurality of process groups including periodically executed processes are executed in parallel. If a group master process of each process group specifies a wakeup interval period and a required CPU time per period and requests allocation of a CPU time, then a CPU allocation time of a specified process group is secured so as not to collide with a CPU allocation time of another process group, and a scheduling table is created so as to maintain the specified wakeup interval period. In response to arrival of time when one of the process groups should be waked up, a kernel process or a scheduler conducts wakeup by changing execution priority of a process belonging to this process group to highest priority ("raised") in the system, and thereafter maintains the highest priority for CPU allocation time consecutively allocated.
    • 在包括周期性执行的处理的多个处理组并行执行的情况下,用于使每个处理组的执行间隔保持尽可能的计算机系统的周期性处理的调度方法。 如果每个进程组的组主进程指定唤醒间隔周期和每个周期所需的CPU时间,并请求分配CPU时间,则确保指定进程组的CPU分配时间,以免与CPU分配冲突 创建另一个进程组的时间,并创建一个调度表,以保持指定的唤醒间隔周期。 响应于其中一个进程组应该被唤醒的时间的到来,内核进程或调度程序通过将属于该进程组的进程的执行优先级改变为系统中的最高优先级(“升级”)来执行唤醒,以及 此后保持CPU分配时间连续分配的最高优先级。
    • 50. 发明授权
    • Computer, computer system, and data communication method
    • 计算机,计算机系统和数据通信方法
    • US08504780B2
    • 2013-08-06
    • US13127071
    • 2011-04-08
    • Hiroshi MineKen NomuraDamien Le MoalTadashi Takeuchi
    • Hiroshi MineKen NomuraDamien Le MoalTadashi Takeuchi
    • G06F12/00
    • G06F9/544G06F2213/0038
    • A computer includes first and second processors, first and second I/O devices, a shared memory, and an interrupt controller. The first processor issues a control command for causing the first I/O device to read target data from the first apparatus and store the target data in the shared memory. The first I/O device reads the target data from the first apparatus and, transfers the target data to the shared memory, and generates an I/O complete interrupt. The interrupt controller delivers the generated I/O complete interrupt to the second processor. When the second processor receives the I/O complete interrupt, the second processor issues a control command for causing the second I/O device to read the target data from the shared memory and send the target data to the second apparatus. The second I/O device reads the target data from the shared memory and sends the target data to the second apparatus.
    • 计算机包括第一和第二处理器,第一和第二I / O设备,共享存储器和中断控制器。 第一处理器发出用于使第一I / O设备从第一设备读取目标数据并将目标数据存储在共享存储器中的控制命令。 第一个I / O设备从第一个装置读取目标数据,并将目标数据传送到共享存储器,并产生一个I / O完成中断。 中断控制器将生成的I / O完成中断传递给第二个处理器。 当第二处理器接收到I / O完成中断时,第二处理器发出用于使第二I / O设备从共享存储器读取目标数据并将目标数据发送到第二设备的控制命令。 第二I / O设备从共享存储器读取目标数据并将目标数据发送到第二设备。