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发明名称
An optical pattern recognition system and driving method of ferroelectric liquid crystal spatial light modulator
摘要
申请公布号
EP0510540(B1)
申请公布日期
1999.08.25
申请号
EP19920106671
申请日期
1992.04.16
申请人
SEIKO INSTRUMENTS INC.;SUMITOMO CEMENT CO. LTD.
发明人
IWAKI, TADAO;MITSUOKA, YASUYUKI
分类号
G02F1/135;G06E3/00;G06K9/74;G09G3/20;G09G3/36;(IPC1-7):G06K9/74
主分类号
G02F1/135
代理机构
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