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经营范围
发明名称
Memory protective circuit
摘要
A memory protective circuit comprising a RAM. An area of the RAM where any writing is inhibited is designated. When there are instructions to write into the area where any writing is inhibited, writing into the area is prevented.
申请公布号
US5564036(A)
申请公布日期
1996.10.08
申请号
US19940285763
申请日期
1994.08.03
申请人
CANON KABUSHIKI KAISHA
发明人
SUGAI, KAZUAKI
分类号
G06F12/16;G06F12/14;(IPC1-7):G06F12/14
主分类号
G06F12/16
代理机构
代理人
主权项
地址
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