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1. 发明授权

US06094725A Magnetic disk apparatus 失效
标题翻译：磁盘装置
公开(公告)号：US06094725A
公开(公告)日：2000-07-25
申请号：US105396
申请日：1998-06-26
申请人： Yutaka Hiyoshi , Hiroyuki Tanaka , Takao Hakamatani , Masayuki Korikawa , Hiroshi Tsurumi , Tetsuro Kudo , Yuiti Ogawa
发明人： Yutaka Hiyoshi , Hiroyuki Tanaka , Takao Hakamatani , Masayuki Korikawa , Hiroshi Tsurumi , Tetsuro Kudo , Yuiti Ogawa
IPC分类号： G06F1/18 , G06F1/30 , G11B17/22 , G11B19/04 , G11B19/20 , G11B33/12 , G06F1/26 , G06F1/28
CPC分类号： G11B33/125 , G06F1/184 , G06F1/187 , G06F1/188 , G06F1/30 , G11B17/22 , G11B19/04 , G11B19/20
摘要： A magnetic disk apparatus includes at least two systems, each system having at least one power unit and at least one battery unit ancillary to the power unit. The disk apparatus also includes at least one common power unit having a pluralities of batteries attached thereto connected in common with the two systems. Patrol control means (PC) is operatively connected to a power control unit (0) of one system and a power control unit (1) of another system for giving a control signal during a battery monitoring operation and a priority order to the battery monitoring operation. The patrol control means monitors the function of the common batteries attached to the common power unit and, further, when the common batteries are incorporated in the magnetic disk apparatus, controls the simultaneous monitoring of the common batteries and the time of incorporation of the common batteries into the magnetic disk apparatus. When one of the at least two systems is monitoring the common batteries, the power control unit of the one of the at least two system sends a master signal MAS to the patrol control means (PC) indicating that the one of the at least two systems is monitoring the common batteries, and the patrol control means sends an other-system patrol signal O-TST to the other of the at least two system indicating that the one of the two at least two system is monitoring the common batteries.
摘要翻译：磁盘装置包括至少两个系统，每个系统具有至少一个动力单元和至少一个辅助于动力单元的电池单元。盘装置还包括至少一个共同的功率单元，其具有与两个系统共同连接的多个电池。巡检控制装置（PC）可操作地连接到一个系统的功率控制单元（0）和另一个系统的功率控制单元（1），用于在电池监视操作期间给出控制信号，并且电池监视操作的优先顺序。巡检控制装置监视连接在公共电源装置上的普通电池的功能，此外，当公用电池组装在磁盘装置中时，控制共同电池的同时监视和公用电池的并入时间进入磁盘装置。当所述至少两个系统中的一个系统正在监控公用电池时，所述至少两个系统中的一个的功率控制单元向所述巡视控制装置（PC）发送主信号MAS，指示所述至少两个系统正在监视公用电池，巡检控制装置将另一系统巡视信号O-TST发送到至少两个系统中的另一个系统，指示两个至少两个系统中的一个正在监视公用电池。

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