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发明名称
FOCUS ADJUSTMENT METHOD FOR VIDEO DOORPHONE SYSTEM
摘要
申请公布号
JPH10136349(A)
申请公布日期
1998.05.22
申请号
JP19960288904
申请日期
1996.10.31
申请人
SHARP CORP
发明人
SAKAIDA SHINYA
分类号
H04N5/232;H04N7/18;(IPC1-7):H04N7/18
主分类号
H04N5/232
代理机构
代理人
主权项
地址
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