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经营范围
发明名称
OPTICAL INFORMATION PROCESSOR
摘要
PURPOSE:To obtain a focusing point signal by receiving the rays from first, second optical systems in respective micro-photo detector arrays and so moving lenses that the output differences of the micro-photo detectors become minimum.
申请公布号
JPS53110823(A)
申请公布日期
1978.09.27
申请号
JP19770026386
申请日期
1977.03.10
申请人
RICOH KK
发明人
HORIIE MASANORI;SHIBATA ISAMU;MAEDA IKUO
分类号
G03B13/36;G02B7/30
主分类号
G03B13/36
代理机构
代理人
主权项
地址
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