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2. 发明授权

US5844776A Static memory device having compatibility with a disk drive installed in an electronic apparatus 失效
标题翻译：具有与安装在电子设备中的磁盘驱动器兼容的静态存储器件
公开(公告)号：US5844776A
公开(公告)日：1998-12-01
申请号：US723224
申请日：1996-09-27
申请人： Syuji Yamaguchi , Keiichiro Shiraki
发明人： Syuji Yamaguchi , Keiichiro Shiraki
IPC分类号： G06F1/16 , G06F1/18 , G06F3/00 , H05K1/14 , H05K3/36 , H05K7/14 , H05K7/02
CPC分类号： G06F1/184 , G06F1/187 , H05K7/142 , H05K1/141 , H05K3/368
摘要： A static memory device has compatibility with a disk drive installed in an electronic apparatus as an external storage unit. The static memory device has a first memory board arranged on the same base portion as the one on which the disk drive can be installed, the first memory board having the same projected area as the disk drive. On the first memory board is arranged a storage unit which is accessible at high speed, such as a semiconductor memory. When the storage capacity of the first memory board only is not enough, an extension memory board can be mounted on the first memory board. When the storage capacity is not sufficient even by mounting the extension memory board on the first memory board, a second memory board can be mounted on the extension memory board. Extension memory boards can also be mounted on the second memory board. Even in this state, the shape is the same as that of the disk drive. Therefore, the user is allowed to select either the disk drive or the static memory device and to mount it in the electronic apparatus as an external storage unit.
摘要翻译：静态存储装置与安装在作为外部存储单元的电子装置中的磁盘驱动器兼容。静态存储装置具有布置在与可安装磁盘驱动器的基座部分相同的基部上的第一存储器板，第一存储器板具有与盘驱动器相同的投影面积。在第一存储器板上布置有可高速存取的存储单元，例如半导体存储器。当第一存储器板的存储容量不足时，可以在第一存储器板上安装扩展存储器板。当即使将扩展存储器板安装在第一存储器板上时存储容量不足，也可以在扩展存储器板上安装第二存储器板。扩展存储器板也可以安装在第二个存储器板上。即使在该状态下，形状也与磁盘驱动器的形状相同。因此，允许用户选择磁盘驱动器或静态存储器件，并将其安装在作为外部存储单元的电子设备中。

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