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    • 62. 发明申请
    • Copy control method and a storage device
    • 复制控制方法和存储设备
    • US20080120352A1
    • 2008-05-22
    • US11698866
    • 2007-01-29
    • Yoshiyuki NishiNobuhiro MakiKenichi OyamadaKazuhiko WatanabeHiroshi Yamamoto
    • Yoshiyuki NishiNobuhiro MakiKenichi OyamadaKazuhiko WatanabeHiroshi Yamamoto
    • G06F17/30
    • G06F11/2074G06F2201/855
    • In a copy control method, during a process for the acquisition of a data copy at a designated time, a recovery period of time can still be reduced when an input/output request is issued for copy source data at the designated time. For a system that includes a first storage device in which data are stored, a second storage device that obtains a data copy, and a host computer that writes data to the first storage device, the second storage device obtains blank input/output requests that are issued at predetermined time intervals if the host computer does not generate an input/output request for the first storage device, and the second storage device determines that a time closest to a predetermined data copy acquisition time, which is a target time for the acquisition of a data copy, is a copy execution time for the acquisition of a data copy.
    • 在复制控制方法中,在指定时间获取数据拷贝的处理期间,当在指定时间发出用于复制源数据的输入/输出请求时,还可以减少恢复时间段。 对于包括其中存储数据的第一存储装置,获得数据副本的第二存储装置和向第一存储装置写入数据的主机的系统,第二存储装置获得空白的输入/输出请求, 如果主计算机不产生对第一存储装置的输入/输出请求,则以预定的时间间隔发出,并且第二存储装置确定最接近预定数据拷贝获取时间的时间,该时间是用于获取 数据副本是用于采集数据副本的复制执行时间。
    • 67. 发明申请
    • Optical transmitting/receiving apparatus and optical transmitting/receiving method
    • 光发射/接收设备和光发射/接收方法
    • US20080008476A1
    • 2008-01-10
    • US11819661
    • 2007-06-28
    • Hiroshi Yamamoto
    • Hiroshi Yamamoto
    • H04B10/04
    • H04B10/40H04B10/0779
    • It is to enable control of an optical transceiver through radio communication. The optical transmitting/receiving apparatus comprises: an optical transceiver which transmits and receives an optical signal to/from outside via an optical fiber; a control device for controlling the optical transceiver; and a main signal wiring system and a control wiring system, which are formed between the optical transceiver and the control device. The main signal wiring system is constituted with a wired circuit for transmitting a main signal that is an electric signal converted mutually with the optical signal. The control wiring system is constituted with a radio circuit for mutually transmitting a monitoring signal that is outputted from the optical transceiver and a control signal that is outputted from the control device based on the monitoring signal for controlling the optical transceiver.
    • 它是通过无线电通信来实现对光收发器的控制。 光发送/接收设备包括:光收发器,经由光纤向外部发送和接收光信号; 用于控制光收发器的控制装置; 以及形成在光收发器和控制装置之间的主信号布线系统和控制布线系统。 主信号线路系统由用于发送主信号的布线电路构成,主信号是与光信号相互转换的电信号。 控制布线系统由用于相互发送从光收发器输出的监视信号的无线电电路和基于用于控制光收发器的监视信号从控制装置输出的控制信号构成。