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Magnetic tape controller having information updating function

阅读:5发布:2022-02-03

专利汇可以提供Magnetic tape controller having information updating function专利检索,专利查询,专利分析的服务。并且PURPOSE:To directly use a magnetic tape as an access memory, by replacing information planted on the magnetic tape with new information and by replacing again the new information with the original information. CONSTITUTION:When an update start instruction from a CPU is received by a command analyzing section 271, the analyzing section 271 sends an update start signal to a command forming section 274. Upon receiving the update start signal, a command delivering section 275 sends a read command to a magnetic tape unit controlling section 25, and the controlling section 25 starts a magnetic tape device 3. When the magnetic tape device 3 is started, data planted on a magnetic tape are directly-mark-detected 280 and planted in a memory section 284. When an update mode command is sent from an interface controlling section 22 to the command analyzing section 271, the analyzing section sends a command corresponding to the update mode command to the controlling section 25. Therefore, the directly information planted in the memory section 284 is written in the device 3 through a data controlling section 24.,下面是Magnetic tape controller having information updating function专利的具体信息内容。

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