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    • 2. 发明申请
    • DELAY ADJUSTMENT DEVICE AND DELAY ADJUSTMENT METHOD
    • 延迟调整设备和延迟调整方法
    • US20110128060A1
    • 2011-06-02
    • US13056020
    • 2010-05-27
    • Kouichi IshinoTakeshi NakayamaMasahiro Ishii
    • Kouichi IshinoTakeshi NakayamaMasahiro Ishii
    • H03H11/26
    • G06F13/1689
    • Provided is a delay adjustment device for adjusting delay of a strobe signal, which specifies when to read a data signal on a data line, with respect to the data signal in order to perform data transfer with an external memory. A testing unit 150 included in a delay adjustment unit is provided with a memory bandwidth monitoring unit 212 that monitors memory bandwidth in use on the data line used for data transfer with a memory circuit. The testing unit 150 performs delay adjustment when the memory bandwidth in use is lower than a predetermined threshold. Delay adjustment is performed by delaying the strobe signal from the data signal by a variety of predetermined delays and determining whether data transfer is successful at each delay, calculating an optimal delay, and thereafter delaying the strobe signal by the calculated delay.
    • 提供了一种用于调整选通信号的延迟的延迟调整装置,该选通信号指定何时读取数据线上的数据信号,以便与外部存储器进行数据传送。 包括在延迟调整单元中的测试单元150设置有存储带宽监视单元212,其利用用于与存储器电路进行数据传输的数据线一起使用中的存储器带宽。 当使用的存储器带宽低于预定阈值时,测试单元150执行延迟调整。 通过将数据信号的选通信号延迟各种预定的延迟并确定数据传输是否在每个延迟成功,计算最佳延迟,然后将选通信号延迟所计算的延迟来执行延迟调整。
    • 3. 发明授权
    • Delay adjustment device and delay adjustment method
    • 延时调整装置和延时调整方法
    • US08363492B2
    • 2013-01-29
    • US13056020
    • 2010-05-27
    • Kouichi IshinoTakeshi NakayamaMasahiro Ishii
    • Kouichi IshinoTakeshi NakayamaMasahiro Ishii
    • G11C7/00
    • G06F13/1689
    • Provided is a delay adjustment device for adjusting delay of a strobe signal, which specifies when to read a data signal on a data line, with respect to the data signal in order to perform data transfer with an external memory. A testing unit 150 included in a delay adjustment unit is provided with a memory bandwidth monitoring unit 212 that monitors memory bandwidth in use on the data line used for data transfer with a memory circuit. The testing unit 150 performs delay adjustment when the memory bandwidth in use is lower than a predetermined threshold. Delay adjustment is performed by delaying the strobe signal from the data signal by a variety of predetermined delays and determining whether data transfer is successful at each delay, calculating an optimal delay, and thereafter delaying the strobe signal by the calculated delay.
    • 提供了一种用于调整选通信号的延迟的延迟调整装置,该选通信号指定何时读取数据线上的数据信号,以便与外部存储器进行数据传送。 包括在延迟调整单元中的测试单元150设置有存储带宽监视单元212,其利用用于与存储器电路进行数据传输的数据线一起使用中的存储器带宽。 当使用的存储器带宽低于预定阈值时,测试单元150执行延迟调整。 通过将数据信号的选通信号延迟各种预定的延迟并确定数据传输是否在每个延迟成功,计算最佳延迟,然后将选通信号延迟所计算的延迟来执行延迟调整。
    • 7. 发明授权
    • Bus communication apparatus that uses shared memory
    • 使用共享存储器的总线通信设备
    • US07774529B2
    • 2010-08-10
    • US12167153
    • 2008-07-02
    • Kouichi IshinoHideyuki KanzakiKazuhiro Watanabe
    • Kouichi IshinoHideyuki KanzakiKazuhiro Watanabe
    • G06F13/00G06F13/36G06F13/14G06F13/28
    • G06F13/1663
    • Bus transfer efficiency is improved in bus communication that uses a shared memory, based on a communication origin master 101 selectively using an arbitration completion notification signal and a memory access completion notification signal. Based on the arbitration completion notification signal, the communication origin master 101 issues a command issue permission signal to the communication destination master 102, and the communication destination master 102 generates and issues a command for accessing the shared memory 12. Based on the memory access completion notification signal, the communication origin master 101 issues a command issue permission signal to the communication destination master 102, and the communication destination master 102 generates and issues a command for accessing the shared memory 12.
    • 基于通信原点主机101选择性地使用仲裁完成通知信号和存储器访问完成通知信号,使用共享存储器的总线通信中的总线传输效率得到改善。 基于仲裁完成通知信号,通信原点主机101向通信目的地主机102发出命令发出许可信号,通信目的地主机102生成并发出用于访问共享存储器12的命令。基于存储器访问完成 通信源主机101向通信目的地主机102发出命令发出许可信号,并且通信目的地主机102产生并发出访问共享存储器12的命令。
    • 8. 发明授权
    • Blood pressure measuring system
    • 血压测量系统
    • US4751930A
    • 1988-06-21
    • US878081
    • 1986-06-24
    • Haruhiro TeradaKouichi IshinoNobuo Iwai
    • Haruhiro TeradaKouichi IshinoNobuo Iwai
    • A61B5/022A61B5/02
    • A61B5/02225A61B5/022
    • An improved blood pressure measuring system based on oscillometric methods utilizes a pressure transducer which provides a varying cuff pressure for occluding the artery of a test subject. The cuff pressure is sampled at a suitable sampling rate to provide a consistent waveform including arterial or blood pressure pulses appearing in sequence during the period of decreasing the occluding pressure. Each blood pressure pulse superimposed upon the cuff pressure is extracted as a pulsating quantity for analyzing the characteristic behavior of such arterial pulse train in order to determine required blood pressure measurements. The pulsating quantity is defined to be an integral of each pulse which value is much larger than the height of the pulse and accordingly, represents an index more readily discernable from possible artifacts having a level in the vicinity of the height level of the pulse.
    • 基于示波法的改进的血压测量系统利用压力传感器,其提供用于阻塞测试对象的动脉的变化的袖带压力。 袖带压力以合适的采样率进行采样,以提供一致的波形,包括在降低闭塞压力的时期期间顺序出现的动脉或血压脉冲。 提取叠加在袖带压力上的每个血压脉冲作为用于分析这种动脉脉冲串的特征行为的脉动量,以便确定所需的血压测量。 脉动量被定义为每个脉冲的积分,该值比脉冲的高度大得多,因此,表示与在脉冲的高度电平附近具有电平的可能的伪影更容易辨别的指标。