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发明名称
OPTICAL TRACKING APPARATUS FOR READ OUT OF HIGH DENSITY RECORDING
摘要
申请公布号
US3739154(A)
申请公布日期
1973.06.12
申请号
USD3739154
申请日期
1972.05.01
申请人
AMPEX CORP,US
发明人
CORCORAN J,US
分类号
G02B7/28;G06K7/015;G06K9/32;G11B7/09;G11B15/60;(IPC1-7):G11B7/00
主分类号
G02B7/28
代理机构
代理人
主权项
地址
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