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发明名称
Transmission level limit and contrast control for facsimile systems and the like
摘要
申请公布号
US3018331(A)
申请公布日期
1962.01.23
申请号
US19570671766
申请日期
1957.07.15
申请人
LITTON SYSTEMS, INC.
发明人
MCCONNELL KENNETH R.
分类号
H04N1/407
主分类号
H04N1/407
代理机构
代理人
主权项
地址
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